/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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/Problem11_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 02:37:23,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 02:37:23,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 02:37:23,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 02:37:23,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 02:37:23,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 02:37:23,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 02:37:23,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 02:37:23,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 02:37:23,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 02:37:23,401 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 02:37:23,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 02:37:23,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 02:37:23,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 02:37:23,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 02:37:23,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 02:37:23,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 02:37:23,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 02:37:23,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 02:37:23,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 02:37:23,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 02:37:23,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 02:37:23,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 02:37:23,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 02:37:23,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 02:37:23,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 02:37:23,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 02:37:23,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 02:37:23,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 02:37:23,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 02:37:23,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 02:37:23,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 02:37:23,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 02:37:23,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 02:37:23,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 02:37:23,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 02:37:23,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 02:37:23,458 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 02:37:23,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 02:37:23,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 02:37:23,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 02:37:23,460 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 02:37:23,494 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 02:37:23,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 02:37:23,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 02:37:23,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 02:37:23,496 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 02:37:23,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 02:37:23,497 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 02:37:23,497 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 02:37:23,497 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 02:37:23,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 02:37:23,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 02:37:23,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 02:37:23,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 02:37:23,499 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 02:37:23,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 02:37:23,500 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 02:37:23,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 02:37:23,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 02:37:23,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 02:37:23,500 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 02:37:23,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 02:37:23,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 02:37:23,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 02:37:23,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 02:37:23,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 02:37:23,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 02:37:23,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 02:37:23,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 02:37:23,502 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 02:37:23,502 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 02:37:23,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 02:37:23,864 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 02:37:23,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 02:37:23,869 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 02:37:23,869 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 02:37:23,870 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label38.c [2020-10-14 02:37:23,927 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eff5fdbe9/0d415b4b507b4cb79ca764333dc1b718/FLAGecdd161f6 [2020-10-14 02:37:24,498 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 02:37:24,499 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label38.c [2020-10-14 02:37:24,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eff5fdbe9/0d415b4b507b4cb79ca764333dc1b718/FLAGecdd161f6 [2020-10-14 02:37:24,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eff5fdbe9/0d415b4b507b4cb79ca764333dc1b718 [2020-10-14 02:37:24,707 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 02:37:24,709 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 02:37:24,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 02:37:24,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 02:37:24,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 02:37:24,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:37:24" (1/1) ... [2020-10-14 02:37:24,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@634162df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:37:24, skipping insertion in model container [2020-10-14 02:37:24,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:37:24" (1/1) ... [2020-10-14 02:37:24,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 02:37:24,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 02:37:25,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:37:25,515 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 02:37:25,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:37:25,787 INFO L208 MainTranslator]: Completed translation [2020-10-14 02:37:25,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:37:25 WrapperNode [2020-10-14 02:37:25,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 02:37:25,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 02:37:25,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 02:37:25,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 02:37:25,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:37:25" (1/1) ... [2020-10-14 02:37:25,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:37:25" (1/1) ... [2020-10-14 02:37:25,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:37:25" (1/1) ... [2020-10-14 02:37:25,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:37:25" (1/1) ... [2020-10-14 02:37:25,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:37:25" (1/1) ... [2020-10-14 02:37:25,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:37:25" (1/1) ... [2020-10-14 02:37:25,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:37:25" (1/1) ... [2020-10-14 02:37:25,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 02:37:25,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 02:37:25,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 02:37:25,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 02:37:25,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:37:25" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 02:37:26,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 02:37:26,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 02:37:26,023 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 02:37:26,023 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 02:37:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 02:37:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 02:37:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 02:37:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 02:37:26,024 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 02:37:26,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 02:37:26,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 02:37:27,671 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 02:37:27,671 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 02:37:27,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:37:27 BoogieIcfgContainer [2020-10-14 02:37:27,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 02:37:27,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 02:37:27,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 02:37:27,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 02:37:27,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 02:37:24" (1/3) ... [2020-10-14 02:37:27,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1860d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:37:27, skipping insertion in model container [2020-10-14 02:37:27,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:37:25" (2/3) ... [2020-10-14 02:37:27,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1860d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:37:27, skipping insertion in model container [2020-10-14 02:37:27,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:37:27" (3/3) ... [2020-10-14 02:37:27,690 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label38.c [2020-10-14 02:37:27,705 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 02:37:27,714 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 02:37:27,734 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 02:37:27,805 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 02:37:27,806 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 02:37:27,806 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 02:37:27,806 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 02:37:27,806 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 02:37:27,807 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 02:37:27,807 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 02:37:27,807 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 02:37:27,835 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-14 02:37:27,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-14 02:37:27,846 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:37:27,847 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] [2020-10-14 02:37:27,847 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:37:27,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:37:27,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1782601651, now seen corresponding path program 1 times [2020-10-14 02:37:27,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:37:27,865 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1564845302] [2020-10-14 02:37:27,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:37:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:28,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:28,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:28,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 02:37:28,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:28,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 484 [2020-10-14 02:37:28,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:28,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:28,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 02:37:28,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 02:37:28,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 02:37:28,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 02:37:28,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:37:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:28,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:28,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:28,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:37:28,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:28,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 02:37:28,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:28,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:28,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:37:28,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:37:28,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:37:28,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:37:28,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:37:28,758 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1564845302] [2020-10-14 02:37:28,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 02:37:28,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 02:37:28,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990505020] [2020-10-14 02:37:28,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 02:37:28,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:37:28,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 02:37:28,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 02:37:28,787 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-14 02:37:31,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:37:31,166 INFO L93 Difference]: Finished difference Result 806 states and 1404 transitions. [2020-10-14 02:37:31,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:37:31,168 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2020-10-14 02:37:31,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:37:31,187 INFO L225 Difference]: With dead ends: 806 [2020-10-14 02:37:31,188 INFO L226 Difference]: Without dead ends: 434 [2020-10-14 02:37:31,198 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:37:31,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-10-14 02:37:31,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 428. [2020-10-14 02:37:31,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2020-10-14 02:37:31,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 617 transitions. [2020-10-14 02:37:31,284 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 617 transitions. Word has length 66 [2020-10-14 02:37:31,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:37:31,284 INFO L479 AbstractCegarLoop]: Abstraction has 428 states and 617 transitions. [2020-10-14 02:37:31,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 02:37:31,285 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 617 transitions. [2020-10-14 02:37:31,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-14 02:37:31,292 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:37:31,292 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:37:31,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 02:37:31,293 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:37:31,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:37:31,293 INFO L82 PathProgramCache]: Analyzing trace with hash -113033966, now seen corresponding path program 1 times [2020-10-14 02:37:31,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:37:31,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [725046628] [2020-10-14 02:37:31,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:37:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:31,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:31,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:32,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:33,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:33,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 02:37:33,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:37:33,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1853 [2020-10-14 02:37:33,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:33,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:33,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:37:33,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 02:37:33,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 02:37:33,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:37:33,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:37:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:33,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:33,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:33,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:37:33,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:33,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:37:33,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:33,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:33,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:37:33,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:37:33,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:37:33,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:37:33,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:37:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:33,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:33,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:33,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 02:37:33,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:33,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 02:37:33,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:33,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:33,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:37:33,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:37:33,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 02:37:33,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:37:33,459 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:37:33,460 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [725046628] [2020-10-14 02:37:33,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:37:33,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:37:33,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199751134] [2020-10-14 02:37:33,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:37:33,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:37:33,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:37:33,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:37:33,464 INFO L87 Difference]: Start difference. First operand 428 states and 617 transitions. Second operand 5 states. [2020-10-14 02:37:35,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:37:35,671 INFO L93 Difference]: Finished difference Result 1250 states and 1825 transitions. [2020-10-14 02:37:35,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:37:35,672 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2020-10-14 02:37:35,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:37:35,679 INFO L225 Difference]: With dead ends: 1250 [2020-10-14 02:37:35,679 INFO L226 Difference]: Without dead ends: 828 [2020-10-14 02:37:35,682 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:37:35,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-10-14 02:37:35,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 814. [2020-10-14 02:37:35,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 814 states. [2020-10-14 02:37:35,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1085 transitions. [2020-10-14 02:37:35,734 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 1085 transitions. Word has length 138 [2020-10-14 02:37:35,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:37:35,735 INFO L479 AbstractCegarLoop]: Abstraction has 814 states and 1085 transitions. [2020-10-14 02:37:35,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:37:35,735 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1085 transitions. [2020-10-14 02:37:35,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-14 02:37:35,742 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:37:35,742 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:37:35,742 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 02:37:35,743 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:37:35,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:37:35,743 INFO L82 PathProgramCache]: Analyzing trace with hash -843469074, now seen corresponding path program 1 times [2020-10-14 02:37:35,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:37:35,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1992537034] [2020-10-14 02:37:35,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:37:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:35,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:35,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:36,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:37,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:37,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-14 02:37:37,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:37:37,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1475 [2020-10-14 02:37:37,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:37,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:37,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:37:37,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 02:37:37,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 02:37:37,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:37:37,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:37:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:37,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:37,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:37,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:37:37,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:37,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:37:37,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:37,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:37,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:37:37,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:37:37,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:37:37,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:37:37,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:37:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:37,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:37,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:37,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 02:37:37,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:37,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 02:37:37,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:37,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:37,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:37:37,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:37:37,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 02:37:37,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:37:37,500 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:37:37,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1992537034] [2020-10-14 02:37:37,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:37:37,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:37:37,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632859198] [2020-10-14 02:37:37,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:37:37,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:37:37,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:37:37,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:37:37,503 INFO L87 Difference]: Start difference. First operand 814 states and 1085 transitions. Second operand 5 states. [2020-10-14 02:37:39,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:37:39,816 INFO L93 Difference]: Finished difference Result 2016 states and 2768 transitions. [2020-10-14 02:37:39,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:37:39,817 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2020-10-14 02:37:39,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:37:39,828 INFO L225 Difference]: With dead ends: 2016 [2020-10-14 02:37:39,828 INFO L226 Difference]: Without dead ends: 1208 [2020-10-14 02:37:39,831 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:37:39,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2020-10-14 02:37:39,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1199. [2020-10-14 02:37:39,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1199 states. [2020-10-14 02:37:39,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 1639 transitions. [2020-10-14 02:37:39,893 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 1639 transitions. Word has length 140 [2020-10-14 02:37:39,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:37:39,895 INFO L479 AbstractCegarLoop]: Abstraction has 1199 states and 1639 transitions. [2020-10-14 02:37:39,895 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:37:39,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1639 transitions. [2020-10-14 02:37:39,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-14 02:37:39,908 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:37:39,908 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:37:39,912 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 02:37:39,913 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:37:39,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:37:39,914 INFO L82 PathProgramCache]: Analyzing trace with hash 200856894, now seen corresponding path program 1 times [2020-10-14 02:37:39,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:37:39,915 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1179581718] [2020-10-14 02:37:39,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:37:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:40,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:40,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:41,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:41,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 02:37:41,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:37:41,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1160 [2020-10-14 02:37:41,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:41,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:41,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:37:41,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-14 02:37:41,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 02:37:41,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:37:41,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:37:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:41,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:41,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:41,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:37:41,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:41,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:37:41,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:41,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:41,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:37:41,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:37:41,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:37:41,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:37:41,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:37:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:41,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:41,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:41,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-14 02:37:41,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:41,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-14 02:37:41,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:41,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:41,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:37:41,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:37:41,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 02:37:41,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:37:41,403 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:37:41,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1179581718] [2020-10-14 02:37:41,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:37:41,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:37:41,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040310785] [2020-10-14 02:37:41,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:37:41,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:37:41,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:37:41,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:37:41,408 INFO L87 Difference]: Start difference. First operand 1199 states and 1639 transitions. Second operand 5 states. [2020-10-14 02:37:43,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:37:43,389 INFO L93 Difference]: Finished difference Result 2989 states and 4225 transitions. [2020-10-14 02:37:43,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:37:43,390 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 164 [2020-10-14 02:37:43,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:37:43,400 INFO L225 Difference]: With dead ends: 2989 [2020-10-14 02:37:43,400 INFO L226 Difference]: Without dead ends: 1796 [2020-10-14 02:37:43,404 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:37:43,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1796 states. [2020-10-14 02:37:43,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1796 to 1775. [2020-10-14 02:37:43,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1775 states. [2020-10-14 02:37:43,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 2432 transitions. [2020-10-14 02:37:43,464 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 2432 transitions. Word has length 164 [2020-10-14 02:37:43,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:37:43,465 INFO L479 AbstractCegarLoop]: Abstraction has 1775 states and 2432 transitions. [2020-10-14 02:37:43,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:37:43,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2432 transitions. [2020-10-14 02:37:43,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-14 02:37:43,469 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:37:43,470 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:37:43,470 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 02:37:43,470 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:37:43,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:37:43,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1048573176, now seen corresponding path program 1 times [2020-10-14 02:37:43,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:37:43,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1757630584] [2020-10-14 02:37:43,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:37:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:43,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:43,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:43,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:44,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:45,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:45,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 02:37:45,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:37:45,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1500 [2020-10-14 02:37:45,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:45,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:45,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:37:45,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-14 02:37:45,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 02:37:45,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:37:45,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:37:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:45,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:45,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:45,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:37:45,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:45,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:37:45,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:45,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:45,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:37:45,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:37:45,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:37:45,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:37:45,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:37:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:45,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:45,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:45,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 02:37:45,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:45,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-14 02:37:45,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:45,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:45,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:37:45,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:37:45,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 02:37:45,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:37:45,351 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:37:45,352 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1757630584] [2020-10-14 02:37:45,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:37:45,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:37:45,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116976033] [2020-10-14 02:37:45,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:37:45,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:37:45,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:37:45,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:37:45,354 INFO L87 Difference]: Start difference. First operand 1775 states and 2432 transitions. Second operand 5 states. [2020-10-14 02:37:47,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:37:47,902 INFO L93 Difference]: Finished difference Result 5262 states and 7388 transitions. [2020-10-14 02:37:47,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:37:47,903 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2020-10-14 02:37:47,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:37:47,933 INFO L225 Difference]: With dead ends: 5262 [2020-10-14 02:37:47,934 INFO L226 Difference]: Without dead ends: 3493 [2020-10-14 02:37:47,940 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:37:47,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3493 states. [2020-10-14 02:37:48,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3493 to 3299. [2020-10-14 02:37:48,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3299 states. [2020-10-14 02:37:48,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 3299 states and 4487 transitions. [2020-10-14 02:37:48,065 INFO L78 Accepts]: Start accepts. Automaton has 3299 states and 4487 transitions. Word has length 168 [2020-10-14 02:37:48,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:37:48,065 INFO L479 AbstractCegarLoop]: Abstraction has 3299 states and 4487 transitions. [2020-10-14 02:37:48,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:37:48,066 INFO L276 IsEmpty]: Start isEmpty. Operand 3299 states and 4487 transitions. [2020-10-14 02:37:48,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-14 02:37:48,071 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:37:48,071 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:37:48,071 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 02:37:48,071 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:37:48,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:37:48,072 INFO L82 PathProgramCache]: Analyzing trace with hash -833991454, now seen corresponding path program 1 times [2020-10-14 02:37:48,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:37:48,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [640589688] [2020-10-14 02:37:48,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:37:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:48,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:48,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:49,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:49,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-14 02:37:49,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:37:49,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1077 [2020-10-14 02:37:49,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:49,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:49,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:37:49,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 147 [2020-10-14 02:37:49,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 02:37:49,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:37:49,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:37:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:49,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:49,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:49,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:37:49,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:49,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:37:49,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:49,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:49,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:37:49,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:37:49,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:37:49,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:37:49,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:37:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:49,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:49,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:49,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 02:37:49,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:49,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-14 02:37:49,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:49,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:49,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:37:49,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:37:49,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-14 02:37:49,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:37:49,569 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:37:49,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [640589688] [2020-10-14 02:37:49,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:37:49,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:37:49,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147474298] [2020-10-14 02:37:49,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:37:49,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:37:49,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:37:49,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:37:49,572 INFO L87 Difference]: Start difference. First operand 3299 states and 4487 transitions. Second operand 5 states. [2020-10-14 02:37:51,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:37:51,873 INFO L93 Difference]: Finished difference Result 7754 states and 10826 transitions. [2020-10-14 02:37:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:37:51,881 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 203 [2020-10-14 02:37:51,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:37:51,906 INFO L225 Difference]: With dead ends: 7754 [2020-10-14 02:37:51,906 INFO L226 Difference]: Without dead ends: 4461 [2020-10-14 02:37:51,917 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:37:51,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4461 states. [2020-10-14 02:37:52,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4461 to 4444. [2020-10-14 02:37:52,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4444 states. [2020-10-14 02:37:52,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4444 states to 4444 states and 5951 transitions. [2020-10-14 02:37:52,094 INFO L78 Accepts]: Start accepts. Automaton has 4444 states and 5951 transitions. Word has length 203 [2020-10-14 02:37:52,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:37:52,094 INFO L479 AbstractCegarLoop]: Abstraction has 4444 states and 5951 transitions. [2020-10-14 02:37:52,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:37:52,095 INFO L276 IsEmpty]: Start isEmpty. Operand 4444 states and 5951 transitions. [2020-10-14 02:37:52,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-14 02:37:52,104 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:37:52,105 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:37:52,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 02:37:52,105 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:37:52,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:37:52,106 INFO L82 PathProgramCache]: Analyzing trace with hash 495099250, now seen corresponding path program 1 times [2020-10-14 02:37:52,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:37:52,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [966682230] [2020-10-14 02:37:52,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:37:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:52,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:52,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:52,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:52,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:55,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:57,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:57,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-14 02:37:57,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 02:37:57,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-14 02:37:57,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:57,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:57,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:37:57,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 02:37:57,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 02:37:57,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:37:57,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:37:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:57,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:57,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:57,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:37:57,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:57,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:37:57,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:57,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:57,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:37:57,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:37:57,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:37:57,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:37:57,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:37:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:57,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:57,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:57,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 02:37:57,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:57,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 02:37:57,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:57,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:57,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:37:57,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:37:57,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 02:37:57,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:37:57,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 02:37:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:37:57,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:37:57,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:37:57,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 02:37:57,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:37:57,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-10-14 02:37:57,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:37:57,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:37:57,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:37:57,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:37:57,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-14 02:37:57,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:37:57,867 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 189 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:37:57,867 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [966682230] [2020-10-14 02:37:57,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:37:57,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:37:57,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733393774] [2020-10-14 02:37:57,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:37:57,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:37:57,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:37:57,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:37:57,871 INFO L87 Difference]: Start difference. First operand 4444 states and 5951 transitions. Second operand 7 states. [2020-10-14 02:38:01,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:38:01,572 INFO L93 Difference]: Finished difference Result 11873 states and 18554 transitions. [2020-10-14 02:38:01,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 02:38:01,572 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 241 [2020-10-14 02:38:01,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:38:01,629 INFO L225 Difference]: With dead ends: 11873 [2020-10-14 02:38:01,629 INFO L226 Difference]: Without dead ends: 7435 [2020-10-14 02:38:01,648 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:38:01,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7435 states. [2020-10-14 02:38:01,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7435 to 5635. [2020-10-14 02:38:01,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5635 states. [2020-10-14 02:38:01,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5635 states to 5635 states and 7756 transitions. [2020-10-14 02:38:01,925 INFO L78 Accepts]: Start accepts. Automaton has 5635 states and 7756 transitions. Word has length 241 [2020-10-14 02:38:01,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:38:01,926 INFO L479 AbstractCegarLoop]: Abstraction has 5635 states and 7756 transitions. [2020-10-14 02:38:01,926 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:38:01,926 INFO L276 IsEmpty]: Start isEmpty. Operand 5635 states and 7756 transitions. [2020-10-14 02:38:01,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-10-14 02:38:01,944 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:38:01,944 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:38:01,945 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 02:38:01,945 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:38:01,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:38:01,945 INFO L82 PathProgramCache]: Analyzing trace with hash 390292351, now seen corresponding path program 1 times [2020-10-14 02:38:01,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:38:01,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [81074279] [2020-10-14 02:38:01,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:38:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:02,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:02,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:02,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:04,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:06,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:06,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-14 02:38:06,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:38:06,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4580 [2020-10-14 02:38:06,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:06,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:06,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:38:06,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-14 02:38:06,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 02:38:06,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:38:06,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:38:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:06,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:06,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:06,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:38:06,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:06,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 02:38:06,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:06,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:06,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:38:06,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:38:06,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:38:06,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:38:06,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:38:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:06,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:06,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:06,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 02:38:06,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:06,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 02:38:06,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:06,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:06,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:38:06,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:38:06,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-14 02:38:06,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:38:06,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 02:38:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:06,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:06,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:06,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 02:38:06,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:06,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-14 02:38:06,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:06,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:06,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:38:06,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:38:06,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-14 02:38:06,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:38:07,088 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 190 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:38:07,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [81074279] [2020-10-14 02:38:07,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:38:07,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:38:07,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105609712] [2020-10-14 02:38:07,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:38:07,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:38:07,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:38:07,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:38:07,090 INFO L87 Difference]: Start difference. First operand 5635 states and 7756 transitions. Second operand 7 states. [2020-10-14 02:38:09,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:38:09,589 INFO L93 Difference]: Finished difference Result 12900 states and 18364 transitions. [2020-10-14 02:38:09,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:38:09,590 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 242 [2020-10-14 02:38:09,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:38:09,629 INFO L225 Difference]: With dead ends: 12900 [2020-10-14 02:38:09,629 INFO L226 Difference]: Without dead ends: 7271 [2020-10-14 02:38:09,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:38:09,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7271 states. [2020-10-14 02:38:10,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7271 to 7235. [2020-10-14 02:38:10,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7235 states. [2020-10-14 02:38:10,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7235 states to 7235 states and 10264 transitions. [2020-10-14 02:38:10,039 INFO L78 Accepts]: Start accepts. Automaton has 7235 states and 10264 transitions. Word has length 242 [2020-10-14 02:38:10,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:38:10,040 INFO L479 AbstractCegarLoop]: Abstraction has 7235 states and 10264 transitions. [2020-10-14 02:38:10,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:38:10,040 INFO L276 IsEmpty]: Start isEmpty. Operand 7235 states and 10264 transitions. [2020-10-14 02:38:10,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-10-14 02:38:10,064 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:38:10,065 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:38:10,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 02:38:10,065 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:38:10,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:38:10,066 INFO L82 PathProgramCache]: Analyzing trace with hash 489479969, now seen corresponding path program 1 times [2020-10-14 02:38:10,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:38:10,066 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1163531689] [2020-10-14 02:38:10,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:38:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:10,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:10,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:10,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:12,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:14,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:14,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-14 02:38:14,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:38:14,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4119 [2020-10-14 02:38:14,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:14,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:14,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:38:14,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 02:38:14,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 02:38:14,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:38:14,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:38:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:14,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:14,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:14,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:38:14,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:14,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 02:38:14,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:14,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:14,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:38:14,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:38:14,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:38:14,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:38:14,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:38:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:14,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:14,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:14,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 02:38:14,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:14,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 02:38:14,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:14,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:14,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:38:14,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:38:14,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 02:38:14,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:38:14,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 02:38:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:14,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:14,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:14,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 02:38:14,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:14,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-14 02:38:14,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:14,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:14,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:38:14,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:38:14,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-14 02:38:14,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:38:14,808 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 216 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:38:14,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1163531689] [2020-10-14 02:38:14,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:38:14,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:38:14,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993486772] [2020-10-14 02:38:14,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:38:14,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:38:14,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:38:14,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:38:14,810 INFO L87 Difference]: Start difference. First operand 7235 states and 10264 transitions. Second operand 7 states. [2020-10-14 02:38:17,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:38:17,140 INFO L93 Difference]: Finished difference Result 15849 states and 22839 transitions. [2020-10-14 02:38:17,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:38:17,147 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 277 [2020-10-14 02:38:17,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:38:17,183 INFO L225 Difference]: With dead ends: 15849 [2020-10-14 02:38:17,183 INFO L226 Difference]: Without dead ends: 8620 [2020-10-14 02:38:17,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:38:17,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8620 states. [2020-10-14 02:38:17,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8620 to 8580. [2020-10-14 02:38:17,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8580 states. [2020-10-14 02:38:17,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8580 states to 8580 states and 12256 transitions. [2020-10-14 02:38:17,550 INFO L78 Accepts]: Start accepts. Automaton has 8580 states and 12256 transitions. Word has length 277 [2020-10-14 02:38:17,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:38:17,550 INFO L479 AbstractCegarLoop]: Abstraction has 8580 states and 12256 transitions. [2020-10-14 02:38:17,551 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:38:17,551 INFO L276 IsEmpty]: Start isEmpty. Operand 8580 states and 12256 transitions. [2020-10-14 02:38:17,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-10-14 02:38:17,581 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:38:17,582 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:38:17,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 02:38:17,582 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:38:17,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:38:17,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1435445080, now seen corresponding path program 1 times [2020-10-14 02:38:17,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:38:17,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1327787262] [2020-10-14 02:38:17,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:38:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:17,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:17,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:17,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:18,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:21,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:22,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:22,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 295 [2020-10-14 02:38:22,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 02:38:22,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5139 [2020-10-14 02:38:22,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:22,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:22,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:38:22,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 227 [2020-10-14 02:38:22,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:38:22,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:38:22,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:38:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:22,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:22,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:22,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:38:22,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:22,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:38:22,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:22,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:22,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:38:22,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:38:22,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:38:22,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:38:22,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:38:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:22,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:22,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:22,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 02:38:22,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:22,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 02:38:22,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:22,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:22,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:38:22,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:38:22,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:38:22,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:38:22,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 02:38:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:22,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:23,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:23,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 02:38:23,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:23,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-14 02:38:23,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:23,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:23,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:38:23,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-14 02:38:23,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:38:23,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 02:38:23,253 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-14 02:38:23,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1327787262] [2020-10-14 02:38:23,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 02:38:23,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 02:38:23,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645220973] [2020-10-14 02:38:23,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:38:23,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:38:23,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:38:23,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:38:23,256 INFO L87 Difference]: Start difference. First operand 8580 states and 12256 transitions. Second operand 5 states. [2020-10-14 02:38:25,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:38:25,915 INFO L93 Difference]: Finished difference Result 19627 states and 28036 transitions. [2020-10-14 02:38:25,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:38:25,917 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 283 [2020-10-14 02:38:25,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:38:25,953 INFO L225 Difference]: With dead ends: 19627 [2020-10-14 02:38:25,954 INFO L226 Difference]: Without dead ends: 11053 [2020-10-14 02:38:25,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:38:25,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11053 states. [2020-10-14 02:38:26,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11053 to 11039. [2020-10-14 02:38:26,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11039 states. [2020-10-14 02:38:26,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11039 states to 11039 states and 15132 transitions. [2020-10-14 02:38:26,225 INFO L78 Accepts]: Start accepts. Automaton has 11039 states and 15132 transitions. Word has length 283 [2020-10-14 02:38:26,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:38:26,226 INFO L479 AbstractCegarLoop]: Abstraction has 11039 states and 15132 transitions. [2020-10-14 02:38:26,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:38:26,226 INFO L276 IsEmpty]: Start isEmpty. Operand 11039 states and 15132 transitions. [2020-10-14 02:38:26,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-10-14 02:38:26,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:38:26,250 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:38:26,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 02:38:26,250 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:38:26,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:38:26,251 INFO L82 PathProgramCache]: Analyzing trace with hash -61926822, now seen corresponding path program 1 times [2020-10-14 02:38:26,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:38:26,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [439426250] [2020-10-14 02:38:26,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:38:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:26,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:26,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:26,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:28,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:31,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:31,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:31,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-14 02:38:31,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 02:38:31,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-14 02:38:31,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:31,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:31,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:38:31,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 147 [2020-10-14 02:38:31,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 02:38:31,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:38:31,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:38:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:31,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:31,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:31,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:38:31,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:31,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:38:31,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:31,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:31,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:38:31,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:38:31,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:38:31,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:38:31,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:38:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:31,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:31,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:31,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 02:38:31,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:31,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 02:38:31,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:31,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:31,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:38:31,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:38:31,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-14 02:38:31,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:38:31,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 02:38:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:31,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:31,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:31,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 02:38:31,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:31,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-14 02:38:31,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:31,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:31,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:38:31,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:38:31,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 02:38:31,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:38:31,701 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 202 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:38:31,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [439426250] [2020-10-14 02:38:31,701 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:38:31,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:38:31,702 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828015841] [2020-10-14 02:38:31,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:38:31,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:38:31,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:38:31,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:38:31,703 INFO L87 Difference]: Start difference. First operand 11039 states and 15132 transitions. Second operand 7 states. [2020-10-14 02:38:35,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:38:35,795 INFO L93 Difference]: Finished difference Result 26993 states and 41008 transitions. [2020-10-14 02:38:35,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 02:38:35,796 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 290 [2020-10-14 02:38:35,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:38:35,873 INFO L225 Difference]: With dead ends: 26993 [2020-10-14 02:38:35,873 INFO L226 Difference]: Without dead ends: 15960 [2020-10-14 02:38:35,901 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:38:35,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15960 states. [2020-10-14 02:38:36,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15960 to 14664. [2020-10-14 02:38:36,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14664 states. [2020-10-14 02:38:36,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14664 states to 14664 states and 20000 transitions. [2020-10-14 02:38:36,371 INFO L78 Accepts]: Start accepts. Automaton has 14664 states and 20000 transitions. Word has length 290 [2020-10-14 02:38:36,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:38:36,372 INFO L479 AbstractCegarLoop]: Abstraction has 14664 states and 20000 transitions. [2020-10-14 02:38:36,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:38:36,372 INFO L276 IsEmpty]: Start isEmpty. Operand 14664 states and 20000 transitions. [2020-10-14 02:38:36,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-10-14 02:38:36,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:38:36,406 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:38:36,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 02:38:36,407 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:38:36,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:38:36,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1895970792, now seen corresponding path program 1 times [2020-10-14 02:38:36,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:38:36,408 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1233706549] [2020-10-14 02:38:36,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:38:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:36,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:36,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:37,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:37,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-10-14 02:38:37,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:38:37,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 808 [2020-10-14 02:38:37,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:37,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:37,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:38:37,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-14 02:38:37,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 02:38:37,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:38:37,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:38:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:37,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:37,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:37,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:38:37,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:37,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:38:37,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:37,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:37,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:38:37,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:38:37,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:38:37,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:38:37,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:38:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:37,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:37,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:37,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 02:38:37,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:37,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 02:38:37,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:37,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:37,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:38:37,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:38:37,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:38:37,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:38:37,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 02:38:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:37,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:37,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:37,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 02:38:37,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:37,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 02:38:37,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:37,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:37,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:38:37,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:38:37,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 02:38:37,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:38:37,677 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-14 02:38:37,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1233706549] [2020-10-14 02:38:37,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:38:37,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:38:37,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384543964] [2020-10-14 02:38:37,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:38:37,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:38:37,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:38:37,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:38:37,681 INFO L87 Difference]: Start difference. First operand 14664 states and 20000 transitions. Second operand 5 states. [2020-10-14 02:38:39,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:38:39,997 INFO L93 Difference]: Finished difference Result 29692 states and 41477 transitions. [2020-10-14 02:38:39,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:38:39,998 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 293 [2020-10-14 02:38:39,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:38:40,056 INFO L225 Difference]: With dead ends: 29692 [2020-10-14 02:38:40,057 INFO L226 Difference]: Without dead ends: 17310 [2020-10-14 02:38:40,077 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:38:40,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17310 states. [2020-10-14 02:38:40,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17310 to 17120. [2020-10-14 02:38:40,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17120 states. [2020-10-14 02:38:40,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17120 states to 17120 states and 22693 transitions. [2020-10-14 02:38:40,678 INFO L78 Accepts]: Start accepts. Automaton has 17120 states and 22693 transitions. Word has length 293 [2020-10-14 02:38:40,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:38:40,679 INFO L479 AbstractCegarLoop]: Abstraction has 17120 states and 22693 transitions. [2020-10-14 02:38:40,679 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:38:40,679 INFO L276 IsEmpty]: Start isEmpty. Operand 17120 states and 22693 transitions. [2020-10-14 02:38:40,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-10-14 02:38:40,717 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:38:40,717 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:38:40,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 02:38:40,718 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:38:40,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:38:40,720 INFO L82 PathProgramCache]: Analyzing trace with hash -952674044, now seen corresponding path program 1 times [2020-10-14 02:38:40,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:38:40,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [698522530] [2020-10-14 02:38:40,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:38:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:40,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:40,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:41,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:44,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:45,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:45,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 353 [2020-10-14 02:38:45,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:38:45,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-14 02:38:45,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:45,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:45,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:38:45,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 287 [2020-10-14 02:38:45,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 02:38:45,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:38:45,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:38:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:45,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:45,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:45,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:38:45,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:45,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:38:45,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:45,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:45,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:38:45,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:38:45,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:38:45,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:38:45,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:38:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:45,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:45,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:45,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 02:38:45,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:45,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 02:38:45,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:45,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:45,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:38:45,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:38:45,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:38:45,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:38:45,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 02:38:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:38:45,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:38:46,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:38:46,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-14 02:38:46,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:38:46,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-14 02:38:46,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:38:46,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:38:46,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:38:46,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:38:46,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-14 02:38:46,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:38:46,136 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-10-14 02:38:46,136 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [698522530] [2020-10-14 02:38:46,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:38:46,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:38:46,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36626683] [2020-10-14 02:38:46,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:38:46,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:38:46,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:38:46,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:38:46,138 INFO L87 Difference]: Start difference. First operand 17120 states and 22693 transitions. Second operand 5 states. [2020-10-14 02:38:48,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:38:48,825 INFO L93 Difference]: Finished difference Result 35947 states and 48184 transitions. [2020-10-14 02:38:48,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:38:48,825 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 341 [2020-10-14 02:38:48,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:38:48,826 INFO L225 Difference]: With dead ends: 35947 [2020-10-14 02:38:48,826 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 02:38:48,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:38:48,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 02:38:48,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 02:38:48,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 02:38:48,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 02:38:48,862 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 341 [2020-10-14 02:38:48,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:38:48,863 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 02:38:48,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:38:48,863 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 02:38:48,863 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 02:38:48,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 02:38:48,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 02:38:50,685 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 474 DAG size of output: 28 [2020-10-14 02:38:51,232 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 28 [2020-10-14 02:38:52,595 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 339 DAG size of output: 47 [2020-10-14 02:38:52,776 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 02:38:52,777 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a3~0 |old(~a3~0)|)) [2020-10-14 02:38:52,777 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 02:38:52,778 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-14 02:38:52,778 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-14 02:38:52,778 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-14 02:38:52,778 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,778 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,778 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,778 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,779 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,779 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,779 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,779 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-14 02:38:52,779 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-14 02:38:52,779 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-14 02:38:52,779 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,779 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,779 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,780 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,780 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,780 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,780 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,780 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,780 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,780 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-14 02:38:52,780 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-14 02:38:52,780 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-14 02:38:52,781 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,781 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,781 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,781 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,781 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,781 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,781 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,781 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,781 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,781 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-14 02:38:52,782 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-14 02:38:52,782 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-14 02:38:52,782 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-10-14 02:38:52,782 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-14 02:38:52,782 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-10-14 02:38:52,782 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-10-14 02:38:52,782 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,782 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,782 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,783 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,783 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,783 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,783 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,783 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,783 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,783 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,783 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-14 02:38:52,783 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-14 02:38:52,784 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-14 02:38:52,784 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,784 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,784 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,784 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,784 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,784 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-14 02:38:52,784 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-14 02:38:52,784 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-14 02:38:52,784 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,785 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,785 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,785 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,785 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,785 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-10-14 02:38:52,785 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-10-14 02:38:52,785 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,785 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,785 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,786 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,786 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,786 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,786 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-10-14 02:38:52,786 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-10-14 02:38:52,786 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,786 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,786 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-14 02:38:52,786 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-14 02:38:52,787 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-14 02:38:52,787 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,787 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,787 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,787 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,787 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,787 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,787 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,787 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-14 02:38:52,787 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-14 02:38:52,787 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-14 02:38:52,787 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-10-14 02:38:52,787 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-10-14 02:38:52,787 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-10-14 02:38:52,787 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-10-14 02:38:52,788 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,788 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,788 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-10-14 02:38:52,788 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-10-14 02:38:52,788 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,788 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,788 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,788 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,788 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse1 (= ~a23~0 |old(~a23~0)|)) (.cse2 (= ~a29~0 |old(~a29~0)|)) (.cse3 (= ~a4~0 |old(~a4~0)|))) (let ((.cse0 (and (= ~a25~0 |old(~a25~0)|) .cse1 .cse2 .cse3))) (and (or (not (<= 180 |old(~a23~0)|)) .cse0) (or (not (<= |old(~a25~0)| 10)) .cse0) (or (and (not (< 1 |old(~a4~0)|)) (not (<= |old(~a4~0)| 0))) .cse0 (not (<= |old(~a23~0)| 138))) (or .cse0 (not (<= |old(~a29~0)| 275))) (or .cse0 (not (= 11 |old(~a25~0)|))) (or (and .cse1 .cse2 (= ~a25~0 12) .cse3) (not (= 12 |old(~a25~0)|)))))) [2020-10-14 02:38:52,788 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,788 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-14 02:38:52,788 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-14 02:38:52,788 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-14 02:38:52,788 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,789 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,789 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,789 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,789 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,789 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,789 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-14 02:38:52,789 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-14 02:38:52,789 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-14 02:38:52,789 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,789 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,789 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,789 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,789 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,789 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,789 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,790 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,790 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-14 02:38:52,790 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-14 02:38:52,790 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-14 02:38:52,790 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,790 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,790 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,790 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,790 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,790 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,790 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,790 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,790 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,790 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,790 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,791 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-10-14 02:38:52,791 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-10-14 02:38:52,791 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-14 02:38:52,791 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-14 02:38:52,791 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-14 02:38:52,791 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,791 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,791 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,791 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,792 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,792 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,792 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,792 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-14 02:38:52,792 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-14 02:38:52,792 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-14 02:38:52,792 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,792 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,792 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,793 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-10-14 02:38:52,793 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-10-14 02:38:52,793 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,793 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,793 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,793 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,793 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,793 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 186) no Hoare annotation was computed. [2020-10-14 02:38:52,793 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-14 02:38:52,793 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-14 02:38:52,793 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,793 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,793 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-10-14 02:38:52,793 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-10-14 02:38:52,794 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,794 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,794 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,794 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,794 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,794 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,794 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-14 02:38:52,794 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-14 02:38:52,794 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-10-14 02:38:52,794 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-10-14 02:38:52,794 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,794 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,794 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,794 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,794 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,794 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,795 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,795 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,795 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-14 02:38:52,795 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-14 02:38:52,795 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-10-14 02:38:52,795 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-10-14 02:38:52,795 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-10-14 02:38:52,795 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-10-14 02:38:52,795 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,795 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,795 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,795 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,795 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,795 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,795 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,795 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-14 02:38:52,795 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-14 02:38:52,796 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,796 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,796 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,796 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,796 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,796 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,796 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,796 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-14 02:38:52,796 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-14 02:38:52,796 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,796 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,796 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,796 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,796 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,796 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,796 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,797 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-14 02:38:52,797 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,797 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,797 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,797 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-14 02:38:52,797 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-14 02:38:52,797 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-14 02:38:52,797 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,797 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-10-14 02:38:52,797 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,798 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-10-14 02:38:52,798 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,798 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,798 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,798 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,798 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,798 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,798 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-14 02:38:52,798 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-14 02:38:52,798 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-14 02:38:52,798 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,798 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,798 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,799 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,799 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,799 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,799 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,799 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,799 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,799 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,799 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-14 02:38:52,799 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-14 02:38:52,800 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-14 02:38:52,800 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,800 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-10-14 02:38:52,800 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-10-14 02:38:52,800 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,800 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,800 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,800 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,800 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,800 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,801 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-14 02:38:52,801 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-14 02:38:52,801 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-14 02:38:52,801 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,801 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,801 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,801 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,801 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-10-14 02:38:52,801 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-10-14 02:38:52,801 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,801 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,802 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-10-14 02:38:52,802 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,802 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,802 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:38:52,802 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 02:38:52,802 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a25~0 10) (<= 180 ~a23~0) (<= ~a29~0 130)) [2020-10-14 02:38:52,802 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 02:38:52,802 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 02:38:52,802 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (<= 180 |old(~a23~0)|)) (not (<= |old(~a25~0)| 10)) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|)) (not (<= |old(~a29~0)| 130))) [2020-10-14 02:38:52,803 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 02:38:52,803 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (or (not (<= 180 |old(~a23~0)|)) (not (<= |old(~a25~0)| 10)) (<= ~a29~0 275) (<= ~a25~0 10) (= ~a25~0 11) (<= 180 ~a23~0) (= ~a25~0 12) (not (<= |old(~a29~0)| 130)) (and (<= ~a23~0 138) (or (<= ~a4~0 0) (< 1 ~a4~0)))) [2020-10-14 02:38:52,803 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-10-14 02:38:52,803 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-10-14 02:38:52,803 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (or (not (<= 180 |old(~a23~0)|)) (not (<= |old(~a25~0)| 10)) (<= ~a29~0 275) (<= ~a25~0 10) (= ~a25~0 11) (<= 180 ~a23~0) (= ~a25~0 12) (not (<= |old(~a29~0)| 130)) (and (<= ~a23~0 138) (or (<= ~a4~0 0) (< 1 ~a4~0)))) [2020-10-14 02:38:52,803 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 02:38:52,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 02:38:52 BoogieIcfgContainer [2020-10-14 02:38:52,828 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 02:38:52,830 INFO L168 Benchmark]: Toolchain (without parser) took 88120.84 ms. Allocated memory was 147.8 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 100.9 MB in the beginning and 281.0 MB in the end (delta: -180.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-10-14 02:38:52,830 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-10-14 02:38:52,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1078.43 ms. Allocated memory was 147.8 MB in the beginning and 209.2 MB in the end (delta: 61.3 MB). Free memory was 100.9 MB in the beginning and 158.6 MB in the end (delta: -57.8 MB). Peak memory consumption was 39.7 MB. Max. memory is 7.1 GB. [2020-10-14 02:38:52,832 INFO L168 Benchmark]: Boogie Preprocessor took 142.56 ms. Allocated memory is still 209.2 MB. Free memory was 158.6 MB in the beginning and 150.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2020-10-14 02:38:52,833 INFO L168 Benchmark]: RCFGBuilder took 1747.29 ms. Allocated memory was 209.2 MB in the beginning and 239.1 MB in the end (delta: 29.9 MB). Free memory was 150.2 MB in the beginning and 89.3 MB in the end (delta: 60.9 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. [2020-10-14 02:38:52,834 INFO L168 Benchmark]: TraceAbstraction took 85147.35 ms. Allocated memory was 239.1 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 89.3 MB in the beginning and 281.0 MB in the end (delta: -191.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-10-14 02:38:52,838 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1078.43 ms. Allocated memory was 147.8 MB in the beginning and 209.2 MB in the end (delta: 61.3 MB). Free memory was 100.9 MB in the beginning and 158.6 MB in the end (delta: -57.8 MB). Peak memory consumption was 39.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.56 ms. Allocated memory is still 209.2 MB. Free memory was 158.6 MB in the beginning and 150.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1747.29 ms. Allocated memory was 209.2 MB in the beginning and 239.1 MB in the end (delta: 29.9 MB). Free memory was 150.2 MB in the beginning and 89.3 MB in the end (delta: 60.9 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 85147.35 ms. Allocated memory was 239.1 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 89.3 MB in the beginning and 281.0 MB in the end (delta: -191.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 186]: 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: 1034]: Loop Invariant Derived loop invariant: (((((((!(180 <= \old(a23)) || !(\old(a25) <= 10)) || a29 <= 275) || a25 <= 10) || a25 == 11) || 180 <= a23) || a25 == 12) || !(\old(a29) <= 130)) || (a23 <= 138 && (a4 <= 0 || 1 < a4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 81.0s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 34.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 616 SDtfs, 7604 SDslu, 847 SDs, 0 SdLazy, 16607 SolverSat, 2100 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 177 GetRequests, 99 SyntacticMatches, 3 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17120occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 13 MinimizatonAttempts, 3637 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 486 PreInvPairs, 688 NumberOfFragments, 270 HoareAnnotationTreeSize, 486 FomulaSimplifications, 1228496 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8045 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 41.6s InterpolantComputationTime, 2846 NumberOfCodeBlocks, 2846 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2833 ConstructedInterpolants, 0 QuantifiedInterpolants, 1288657 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 2 PerfectInterpolantSequences, 1724/1741 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...