/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:05:22,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:05:22,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:05:22,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:05:22,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:05:22,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:05:22,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:05:22,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:05:22,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:05:22,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:05:22,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:05:22,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:05:22,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:05:22,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:05:22,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:05:22,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:05:22,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:05:22,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:05:22,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:05:22,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:05:22,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:05:22,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:05:22,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:05:22,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:05:22,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:05:22,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:05:22,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:05:22,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:05:22,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:05:22,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:05:22,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:05:22,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:05:22,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:05:22,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:05:22,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:05:22,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:05:22,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:05:22,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:05:22,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:05:22,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:05:22,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:05:22,572 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 08:05:22,595 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:05:22,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:05:22,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:05:22,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:05:22,596 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:05:22,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:05:22,597 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:05:22,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:05:22,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:05:22,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:05:22,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:05:22,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:05:22,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:05:22,600 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:05:22,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:05:22,600 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:05:22,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:05:22,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:05:22,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:05:22,601 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:05:22,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:05:22,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:05:22,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:05:22,605 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:05:22,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:05:22,605 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:05:22,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:05:22,606 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:05:22,606 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:05:22,606 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 08:05:22,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:05:22,946 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:05:22,950 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:05:22,952 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:05:22,952 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:05:22,953 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label06.c [2020-10-13 08:05:23,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc52fd973/f69cbcd9dde249b99f5f195dd8fb1d04/FLAGe4a6057e1 [2020-10-13 08:05:23,658 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:05:23,659 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label06.c [2020-10-13 08:05:23,674 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc52fd973/f69cbcd9dde249b99f5f195dd8fb1d04/FLAGe4a6057e1 [2020-10-13 08:05:23,902 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc52fd973/f69cbcd9dde249b99f5f195dd8fb1d04 [2020-10-13 08:05:23,911 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:05:23,913 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:05:23,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:05:23,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:05:23,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:05:23,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:05:23" (1/1) ... [2020-10-13 08:05:23,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16faf0d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:05:23, skipping insertion in model container [2020-10-13 08:05:23,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:05:23" (1/1) ... [2020-10-13 08:05:23,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:05:23,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:05:24,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:05:24,789 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:05:25,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:05:25,117 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:05:25,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:05:25 WrapperNode [2020-10-13 08:05:25,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:05:25,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:05:25,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:05:25,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:05:25,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:05:25" (1/1) ... [2020-10-13 08:05:25,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:05:25" (1/1) ... [2020-10-13 08:05:25,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:05:25" (1/1) ... [2020-10-13 08:05:25,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:05:25" (1/1) ... [2020-10-13 08:05:25,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:05:25" (1/1) ... [2020-10-13 08:05:25,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:05:25" (1/1) ... [2020-10-13 08:05:25,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:05:25" (1/1) ... [2020-10-13 08:05:25,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:05:25,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:05:25,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:05:25,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:05:25,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:05:25" (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 [2020-10-13 08:05:25,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:05:25,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:05:25,376 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:05:25,376 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:05:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:05:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:05:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:05:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:05:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:05:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:05:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:05:27,158 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:05:27,158 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:05:27,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:05:27 BoogieIcfgContainer [2020-10-13 08:05:27,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:05:27,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:05:27,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:05:27,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:05:27,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:05:23" (1/3) ... [2020-10-13 08:05:27,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26efcd47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:05:27, skipping insertion in model container [2020-10-13 08:05:27,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:05:25" (2/3) ... [2020-10-13 08:05:27,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26efcd47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:05:27, skipping insertion in model container [2020-10-13 08:05:27,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:05:27" (3/3) ... [2020-10-13 08:05:27,175 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label06.c [2020-10-13 08:05:27,187 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:05:27,195 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:05:27,210 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:05:27,236 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:05:27,236 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:05:27,236 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:05:27,236 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:05:27,237 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:05:27,237 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:05:27,237 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:05:27,237 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:05:27,262 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-13 08:05:27,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-13 08:05:27,273 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:05:27,274 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:05:27,274 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:05:27,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:05:27,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1780384174, now seen corresponding path program 1 times [2020-10-13 08:05:27,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:05:27,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1677448946] [2020-10-13 08:05:27,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:05:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:27,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:28,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:28,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 08:05:28,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:28,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 573 [2020-10-13 08:05:28,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:28,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:05:28,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:05:28,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-13 08:05:28,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 08:05:28,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:28,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:28,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:28,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:28,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:28,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 08:05:28,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:28,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:05:28,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:28,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:05:28,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:28,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:05:28,351 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1677448946] [2020-10-13 08:05:28,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:05:28,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 08:05:28,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594633046] [2020-10-13 08:05:28,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:05:28,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:05:28,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:05:28,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:05:28,382 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 5 states. [2020-10-13 08:05:32,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:05:32,390 INFO L93 Difference]: Finished difference Result 992 states and 1777 transitions. [2020-10-13 08:05:32,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 08:05:32,392 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2020-10-13 08:05:32,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:05:32,416 INFO L225 Difference]: With dead ends: 992 [2020-10-13 08:05:32,416 INFO L226 Difference]: Without dead ends: 630 [2020-10-13 08:05:32,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:05:32,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2020-10-13 08:05:32,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 624. [2020-10-13 08:05:32,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-13 08:05:32,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 864 transitions. [2020-10-13 08:05:32,538 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 864 transitions. Word has length 69 [2020-10-13 08:05:32,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:05:32,539 INFO L479 AbstractCegarLoop]: Abstraction has 624 states and 864 transitions. [2020-10-13 08:05:32,539 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:05:32,540 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 864 transitions. [2020-10-13 08:05:32,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-13 08:05:32,547 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:05:32,548 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:05:32,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:05:32,548 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:05:32,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:05:32,549 INFO L82 PathProgramCache]: Analyzing trace with hash -2125475342, now seen corresponding path program 1 times [2020-10-13 08:05:32,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:05:32,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [210305626] [2020-10-13 08:05:32,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:05:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:32,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:32,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:33,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:34,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:34,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 08:05:34,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:05:34,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1855 [2020-10-13 08:05:34,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:34,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:05:34,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 08:05:34,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 08:05:34,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:05:34,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:34,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:34,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:34,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:34,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:34,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:05:34,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:34,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:34,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:34,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:34,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:05:34,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:05:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:34,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:34,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:34,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:05:34,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:34,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-13 08:05:34,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:34,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:05:34,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:34,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 08:05:34,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:34,871 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:05:34,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [210305626] [2020-10-13 08:05:34,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:05:34,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:05:34,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873769741] [2020-10-13 08:05:34,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:05:34,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:05:34,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:05:34,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:05:34,876 INFO L87 Difference]: Start difference. First operand 624 states and 864 transitions. Second operand 5 states. [2020-10-13 08:05:36,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:05:36,480 INFO L93 Difference]: Finished difference Result 1075 states and 1513 transitions. [2020-10-13 08:05:36,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:05:36,481 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2020-10-13 08:05:36,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:05:36,486 INFO L225 Difference]: With dead ends: 1075 [2020-10-13 08:05:36,486 INFO L226 Difference]: Without dead ends: 630 [2020-10-13 08:05:36,489 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 [2020-10-13 08:05:36,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2020-10-13 08:05:36,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 624. [2020-10-13 08:05:36,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-13 08:05:36,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 861 transitions. [2020-10-13 08:05:36,520 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 861 transitions. Word has length 141 [2020-10-13 08:05:36,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:05:36,521 INFO L479 AbstractCegarLoop]: Abstraction has 624 states and 861 transitions. [2020-10-13 08:05:36,521 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:05:36,521 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 861 transitions. [2020-10-13 08:05:36,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-13 08:05:36,524 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:05:36,525 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:05:36,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:05:36,525 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:05:36,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:05:36,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1017174817, now seen corresponding path program 1 times [2020-10-13 08:05:36,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:05:36,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1762450511] [2020-10-13 08:05:36,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:05:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:36,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:36,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:36,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:38,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:38,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-13 08:05:38,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:05:38,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1918 [2020-10-13 08:05:38,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:38,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:05:38,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-13 08:05:38,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 08:05:38,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:38,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:38,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:38,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:38,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:38,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:38,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:05:38,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:38,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:38,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:38,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:38,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:05:38,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:05:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:38,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:38,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:38,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:05:38,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:38,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-13 08:05:38,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:38,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:05:38,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:38,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:05:38,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:38,981 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:05:38,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1762450511] [2020-10-13 08:05:38,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:05:38,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:05:38,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768973025] [2020-10-13 08:05:38,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:05:38,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:05:38,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:05:38,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:05:38,985 INFO L87 Difference]: Start difference. First operand 624 states and 861 transitions. Second operand 8 states. [2020-10-13 08:05:39,545 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2020-10-13 08:05:41,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:05:41,781 INFO L93 Difference]: Finished difference Result 1180 states and 1622 transitions. [2020-10-13 08:05:41,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 08:05:41,782 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-10-13 08:05:41,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:05:41,787 INFO L225 Difference]: With dead ends: 1180 [2020-10-13 08:05:41,787 INFO L226 Difference]: Without dead ends: 630 [2020-10-13 08:05:41,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-10-13 08:05:41,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2020-10-13 08:05:41,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 624. [2020-10-13 08:05:41,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-13 08:05:41,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 853 transitions. [2020-10-13 08:05:41,811 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 853 transitions. Word has length 142 [2020-10-13 08:05:41,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:05:41,812 INFO L479 AbstractCegarLoop]: Abstraction has 624 states and 853 transitions. [2020-10-13 08:05:41,812 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:05:41,812 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 853 transitions. [2020-10-13 08:05:41,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-13 08:05:41,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:05:41,816 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:05:41,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:05:41,816 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:05:41,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:05:41,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1517741782, now seen corresponding path program 1 times [2020-10-13 08:05:41,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:05:41,817 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1836411851] [2020-10-13 08:05:41,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:05:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:41,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:41,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:42,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:43,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:43,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-13 08:05:43,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:05:43,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1670 [2020-10-13 08:05:43,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:43,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:05:43,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 08:05:43,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 08:05:43,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:43,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:43,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:43,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:43,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:43,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:43,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:05:43,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:43,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:43,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:43,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:43,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:43,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:05:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:43,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:43,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:43,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 08:05:43,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:43,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-13 08:05:43,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:43,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:05:43,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:43,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 08:05:43,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:43,814 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:05:43,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1836411851] [2020-10-13 08:05:43,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:05:43,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:05:43,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640921797] [2020-10-13 08:05:43,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:05:43,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:05:43,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:05:43,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:05:43,818 INFO L87 Difference]: Start difference. First operand 624 states and 853 transitions. Second operand 5 states. [2020-10-13 08:05:45,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:05:45,390 INFO L93 Difference]: Finished difference Result 1063 states and 1482 transitions. [2020-10-13 08:05:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:05:45,395 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2020-10-13 08:05:45,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:05:45,399 INFO L225 Difference]: With dead ends: 1063 [2020-10-13 08:05:45,399 INFO L226 Difference]: Without dead ends: 630 [2020-10-13 08:05:45,401 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 [2020-10-13 08:05:45,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2020-10-13 08:05:45,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 624. [2020-10-13 08:05:45,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-13 08:05:45,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 850 transitions. [2020-10-13 08:05:45,425 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 850 transitions. Word has length 143 [2020-10-13 08:05:45,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:05:45,425 INFO L479 AbstractCegarLoop]: Abstraction has 624 states and 850 transitions. [2020-10-13 08:05:45,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:05:45,426 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 850 transitions. [2020-10-13 08:05:45,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-13 08:05:45,428 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:05:45,428 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:05:45,429 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:05:45,429 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:05:45,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:05:45,429 INFO L82 PathProgramCache]: Analyzing trace with hash -418335358, now seen corresponding path program 1 times [2020-10-13 08:05:45,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:05:45,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [563116634] [2020-10-13 08:05:45,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:05:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:45,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:45,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:46,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:46,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:46,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:46,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-13 08:05:46,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:05:46,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1226 [2020-10-13 08:05:46,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:46,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:05:46,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-13 08:05:46,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 08:05:46,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:46,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:46,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:46,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:46,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:46,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:46,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 08:05:46,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:46,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:46,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:46,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:46,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:05:46,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:05:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:46,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:46,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:46,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 08:05:46,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:46,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-13 08:05:46,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:46,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:05:46,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:46,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-13 08:05:46,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:47,012 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:05:47,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [563116634] [2020-10-13 08:05:47,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:05:47,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:05:47,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856338775] [2020-10-13 08:05:47,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:05:47,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:05:47,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:05:47,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:05:47,016 INFO L87 Difference]: Start difference. First operand 624 states and 850 transitions. Second operand 5 states. [2020-10-13 08:05:48,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:05:48,812 INFO L93 Difference]: Finished difference Result 1071 states and 1485 transitions. [2020-10-13 08:05:48,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:05:48,813 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-10-13 08:05:48,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:05:48,820 INFO L225 Difference]: With dead ends: 1071 [2020-10-13 08:05:48,820 INFO L226 Difference]: Without dead ends: 630 [2020-10-13 08:05:48,824 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:05:48,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2020-10-13 08:05:48,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 624. [2020-10-13 08:05:48,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-13 08:05:48,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 846 transitions. [2020-10-13 08:05:48,852 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 846 transitions. Word has length 149 [2020-10-13 08:05:48,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:05:48,853 INFO L479 AbstractCegarLoop]: Abstraction has 624 states and 846 transitions. [2020-10-13 08:05:48,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:05:48,853 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 846 transitions. [2020-10-13 08:05:48,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-13 08:05:48,857 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:05:48,857 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, 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] [2020-10-13 08:05:48,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:05:48,858 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:05:48,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:05:48,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1604733110, now seen corresponding path program 1 times [2020-10-13 08:05:48,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:05:48,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [707514692] [2020-10-13 08:05:48,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:05:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:48,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:49,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:49,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:49,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:49,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-13 08:05:49,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:05:49,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1002 [2020-10-13 08:05:49,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:49,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:05:49,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-13 08:05:49,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 08:05:49,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:49,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:50,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:50,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:50,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:50,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:50,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:05:50,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:50,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:50,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:50,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:50,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:05:50,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:05:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:50,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:50,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:50,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 08:05:50,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:50,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-13 08:05:50,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:50,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:05:50,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:50,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-13 08:05:50,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:05:50,230 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:05:50,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [707514692] [2020-10-13 08:05:50,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:05:50,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:05:50,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843179762] [2020-10-13 08:05:50,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:05:50,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:05:50,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:05:50,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:05:50,233 INFO L87 Difference]: Start difference. First operand 624 states and 846 transitions. Second operand 5 states. [2020-10-13 08:05:51,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:05:51,673 INFO L93 Difference]: Finished difference Result 1069 states and 1476 transitions. [2020-10-13 08:05:51,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:05:51,679 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2020-10-13 08:05:51,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:05:51,684 INFO L225 Difference]: With dead ends: 1069 [2020-10-13 08:05:51,685 INFO L226 Difference]: Without dead ends: 630 [2020-10-13 08:05:51,687 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 [2020-10-13 08:05:51,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2020-10-13 08:05:51,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 624. [2020-10-13 08:05:51,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-13 08:05:51,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 843 transitions. [2020-10-13 08:05:51,708 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 843 transitions. Word has length 153 [2020-10-13 08:05:51,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:05:51,709 INFO L479 AbstractCegarLoop]: Abstraction has 624 states and 843 transitions. [2020-10-13 08:05:51,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:05:51,709 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 843 transitions. [2020-10-13 08:05:51,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-13 08:05:51,712 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:05:51,712 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:05:51,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:05:51,713 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:05:51,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:05:51,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1736662062, now seen corresponding path program 1 times [2020-10-13 08:05:51,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:05:51,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1180876195] [2020-10-13 08:05:51,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:05:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:51,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:51,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:52,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:52,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-13 08:05:52,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:05:52,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 694 [2020-10-13 08:05:52,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:52,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:05:52,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-13 08:05:52,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:05:52,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:52,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:52,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:52,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:52,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:52,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:52,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:05:52,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:52,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:52,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:52,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:52,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:52,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:05:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:52,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:52,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:52,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 08:05:52,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:52,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-13 08:05:52,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:52,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:05:52,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:52,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-13 08:05:52,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:52,699 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:05:52,700 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1180876195] [2020-10-13 08:05:52,700 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:05:52,700 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:05:52,701 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428458472] [2020-10-13 08:05:52,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:05:52,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:05:52,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:05:52,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:05:52,702 INFO L87 Difference]: Start difference. First operand 624 states and 843 transitions. Second operand 5 states. [2020-10-13 08:05:54,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:05:54,623 INFO L93 Difference]: Finished difference Result 1835 states and 2513 transitions. [2020-10-13 08:05:54,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:05:54,624 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2020-10-13 08:05:54,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:05:54,631 INFO L225 Difference]: With dead ends: 1835 [2020-10-13 08:05:54,632 INFO L226 Difference]: Without dead ends: 1217 [2020-10-13 08:05:54,634 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 [2020-10-13 08:05:54,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2020-10-13 08:05:54,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1202. [2020-10-13 08:05:54,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1202 states. [2020-10-13 08:05:54,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1202 states and 1577 transitions. [2020-10-13 08:05:54,674 INFO L78 Accepts]: Start accepts. Automaton has 1202 states and 1577 transitions. Word has length 155 [2020-10-13 08:05:54,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:05:54,675 INFO L479 AbstractCegarLoop]: Abstraction has 1202 states and 1577 transitions. [2020-10-13 08:05:54,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:05:54,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1577 transitions. [2020-10-13 08:05:54,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-13 08:05:54,678 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:05:54,678 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:05:54,678 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:05:54,678 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:05:54,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:05:54,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1733632066, now seen corresponding path program 1 times [2020-10-13 08:05:54,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:05:54,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [785546052] [2020-10-13 08:05:54,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:05:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:54,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:54,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:55,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:55,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-13 08:05:55,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:05:55,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 706 [2020-10-13 08:05:55,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:55,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:05:55,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 08:05:55,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:05:55,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:55,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:55,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:55,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:55,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:55,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:55,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:05:55,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:55,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:55,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:55,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:55,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:55,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:05:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:55,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:55,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:55,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:05:55,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:55,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-13 08:05:55,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:55,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:05:55,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:55,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-13 08:05:55,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:05:55,713 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:05:55,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [785546052] [2020-10-13 08:05:55,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:05:55,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:05:55,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872997809] [2020-10-13 08:05:55,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:05:55,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:05:55,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:05:55,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:05:55,716 INFO L87 Difference]: Start difference. First operand 1202 states and 1577 transitions. Second operand 5 states. [2020-10-13 08:05:57,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:05:57,897 INFO L93 Difference]: Finished difference Result 2988 states and 4005 transitions. [2020-10-13 08:05:57,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:05:57,898 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 163 [2020-10-13 08:05:57,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:05:57,908 INFO L225 Difference]: With dead ends: 2988 [2020-10-13 08:05:57,908 INFO L226 Difference]: Without dead ends: 1792 [2020-10-13 08:05:57,912 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 [2020-10-13 08:05:57,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1792 states. [2020-10-13 08:05:57,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1792 to 1774. [2020-10-13 08:05:57,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1774 states. [2020-10-13 08:05:57,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1774 states and 2308 transitions. [2020-10-13 08:05:57,969 INFO L78 Accepts]: Start accepts. Automaton has 1774 states and 2308 transitions. Word has length 163 [2020-10-13 08:05:57,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:05:57,970 INFO L479 AbstractCegarLoop]: Abstraction has 1774 states and 2308 transitions. [2020-10-13 08:05:57,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:05:57,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1774 states and 2308 transitions. [2020-10-13 08:05:57,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-10-13 08:05:57,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:05:57,975 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:05:57,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:05:57,976 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:05:57,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:05:57,976 INFO L82 PathProgramCache]: Analyzing trace with hash -2011607248, now seen corresponding path program 1 times [2020-10-13 08:05:57,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:05:57,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [459420699] [2020-10-13 08:05:57,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:05:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:58,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:58,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:59,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:59,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:59,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-13 08:05:59,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:05:59,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1663 [2020-10-13 08:05:59,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:59,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:05:59,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-10-13 08:05:59,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 08:05:59,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:59,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:59,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:59,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:59,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:59,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:59,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:05:59,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:59,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:59,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:59,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:59,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:05:59,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:05:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:59,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:00,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:00,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-13 08:06:00,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:00,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-13 08:06:00,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:00,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:00,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:00,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-13 08:06:00,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:00,245 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:06:00,254 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [459420699] [2020-10-13 08:06:00,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:00,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:06:00,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636709097] [2020-10-13 08:06:00,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:06:00,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:00,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:06:00,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:06:00,259 INFO L87 Difference]: Start difference. First operand 1774 states and 2308 transitions. Second operand 5 states. [2020-10-13 08:06:01,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:01,832 INFO L93 Difference]: Finished difference Result 2985 states and 3947 transitions. [2020-10-13 08:06:01,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:01,834 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 212 [2020-10-13 08:06:01,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:01,844 INFO L225 Difference]: With dead ends: 2985 [2020-10-13 08:06:01,844 INFO L226 Difference]: Without dead ends: 1780 [2020-10-13 08:06:01,848 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:06:01,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1780 states. [2020-10-13 08:06:01,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1780 to 1774. [2020-10-13 08:06:01,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1774 states. [2020-10-13 08:06:01,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1774 states and 2293 transitions. [2020-10-13 08:06:01,895 INFO L78 Accepts]: Start accepts. Automaton has 1774 states and 2293 transitions. Word has length 212 [2020-10-13 08:06:01,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:01,896 INFO L479 AbstractCegarLoop]: Abstraction has 1774 states and 2293 transitions. [2020-10-13 08:06:01,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:06:01,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1774 states and 2293 transitions. [2020-10-13 08:06:01,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-10-13 08:06:01,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:01,902 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:06:01,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:06:01,903 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:01,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:01,903 INFO L82 PathProgramCache]: Analyzing trace with hash 976760589, now seen corresponding path program 1 times [2020-10-13 08:06:01,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:01,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1837284648] [2020-10-13 08:06:01,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:01,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:02,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:02,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:03,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:05,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:05,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-13 08:06:05,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:06:05,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3807 [2020-10-13 08:06:05,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:05,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:05,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 191 [2020-10-13 08:06:05,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:06:05,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:05,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:05,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:05,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:05,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:05,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:05,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:06:05,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:05,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:05,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:05,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:05,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:05,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:05,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:05,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:05,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:06:05,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:05,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 08:06:05,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:05,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:05,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:05,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:05,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:05,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 08:06:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:05,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:05,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:05,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-13 08:06:05,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:05,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-13 08:06:05,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:05,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:05,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:05,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-13 08:06:05,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:06:06,084 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-10-13 08:06:06,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1837284648] [2020-10-13 08:06:06,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:06,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:06:06,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836766806] [2020-10-13 08:06:06,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:06:06,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:06,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:06:06,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:06:06,090 INFO L87 Difference]: Start difference. First operand 1774 states and 2293 transitions. Second operand 5 states. [2020-10-13 08:06:08,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:08,132 INFO L93 Difference]: Finished difference Result 4874 states and 6419 transitions. [2020-10-13 08:06:08,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:08,134 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 248 [2020-10-13 08:06:08,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:08,149 INFO L225 Difference]: With dead ends: 4874 [2020-10-13 08:06:08,149 INFO L226 Difference]: Without dead ends: 3106 [2020-10-13 08:06:08,155 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 [2020-10-13 08:06:08,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3106 states. [2020-10-13 08:06:08,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3106 to 2916. [2020-10-13 08:06:08,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2916 states. [2020-10-13 08:06:08,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2916 states and 3649 transitions. [2020-10-13 08:06:08,237 INFO L78 Accepts]: Start accepts. Automaton has 2916 states and 3649 transitions. Word has length 248 [2020-10-13 08:06:08,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:08,238 INFO L479 AbstractCegarLoop]: Abstraction has 2916 states and 3649 transitions. [2020-10-13 08:06:08,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:06:08,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 3649 transitions. [2020-10-13 08:06:08,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-10-13 08:06:08,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:08,246 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:06:08,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:06:08,246 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:08,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:08,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1761056648, now seen corresponding path program 1 times [2020-10-13 08:06:08,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:08,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [209952404] [2020-10-13 08:06:08,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:08,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:08,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:09,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:10,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:12,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:12,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-13 08:06:12,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:06:12,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4268 [2020-10-13 08:06:12,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:12,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:12,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 207 [2020-10-13 08:06:12,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 08:06:12,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:12,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:12,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:12,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:12,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:12,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:12,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:06:12,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:12,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:12,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:12,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:12,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:12,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:12,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:12,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:12,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:06:12,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:12,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 08:06:12,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:12,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:12,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:12,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:12,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:12,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 08:06:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:12,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:12,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:12,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-13 08:06:12,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:12,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-13 08:06:12,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:12,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:12,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:12,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-13 08:06:12,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:12,833 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-13 08:06:12,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [209952404] [2020-10-13 08:06:12,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:12,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:06:12,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431774474] [2020-10-13 08:06:12,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:06:12,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:12,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:06:12,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:06:12,835 INFO L87 Difference]: Start difference. First operand 2916 states and 3649 transitions. Second operand 5 states. [2020-10-13 08:06:15,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:15,123 INFO L93 Difference]: Finished difference Result 7349 states and 9447 transitions. [2020-10-13 08:06:15,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:15,129 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 265 [2020-10-13 08:06:15,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:15,148 INFO L225 Difference]: With dead ends: 7349 [2020-10-13 08:06:15,148 INFO L226 Difference]: Without dead ends: 4627 [2020-10-13 08:06:15,157 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 [2020-10-13 08:06:15,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4627 states. [2020-10-13 08:06:15,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4627 to 4625. [2020-10-13 08:06:15,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4625 states. [2020-10-13 08:06:15,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4625 states to 4625 states and 5704 transitions. [2020-10-13 08:06:15,263 INFO L78 Accepts]: Start accepts. Automaton has 4625 states and 5704 transitions. Word has length 265 [2020-10-13 08:06:15,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:15,264 INFO L479 AbstractCegarLoop]: Abstraction has 4625 states and 5704 transitions. [2020-10-13 08:06:15,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:06:15,264 INFO L276 IsEmpty]: Start isEmpty. Operand 4625 states and 5704 transitions. [2020-10-13 08:06:15,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-10-13 08:06:15,273 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:15,273 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:06:15,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:06:15,274 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:15,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:15,274 INFO L82 PathProgramCache]: Analyzing trace with hash 904764665, now seen corresponding path program 1 times [2020-10-13 08:06:15,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:15,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [71324032] [2020-10-13 08:06:15,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:15,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:15,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:15,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:15,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:15,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:16,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:17,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:18,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:19,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:19,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-13 08:06:19,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 08:06:19,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4457 [2020-10-13 08:06:19,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:19,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:19,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 218 [2020-10-13 08:06:19,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:06:19,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:19,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:19,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:19,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:19,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:19,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:19,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:06:19,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:19,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:19,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:19,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:19,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:19,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:19,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:19,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:19,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:06:19,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:19,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 08:06:19,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:19,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:19,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:19,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:19,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:19,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 08:06:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:19,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:19,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:19,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-13 08:06:19,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:19,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-13 08:06:19,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:19,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:19,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-13 08:06:19,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:06:19,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:20,016 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-13 08:06:20,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [71324032] [2020-10-13 08:06:20,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:06:20,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 08:06:20,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963558501] [2020-10-13 08:06:20,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:06:20,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:20,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:06:20,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:06:20,019 INFO L87 Difference]: Start difference. First operand 4625 states and 5704 transitions. Second operand 5 states. [2020-10-13 08:06:21,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:21,297 INFO L93 Difference]: Finished difference Result 7718 states and 9635 transitions. [2020-10-13 08:06:21,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:21,298 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 277 [2020-10-13 08:06:21,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:21,317 INFO L225 Difference]: With dead ends: 7718 [2020-10-13 08:06:21,318 INFO L226 Difference]: Without dead ends: 4623 [2020-10-13 08:06:21,327 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 [2020-10-13 08:06:21,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4623 states. [2020-10-13 08:06:21,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4623 to 4623. [2020-10-13 08:06:21,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4623 states. [2020-10-13 08:06:21,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4623 states to 4623 states and 5697 transitions. [2020-10-13 08:06:21,431 INFO L78 Accepts]: Start accepts. Automaton has 4623 states and 5697 transitions. Word has length 277 [2020-10-13 08:06:21,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:21,432 INFO L479 AbstractCegarLoop]: Abstraction has 4623 states and 5697 transitions. [2020-10-13 08:06:21,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:06:21,432 INFO L276 IsEmpty]: Start isEmpty. Operand 4623 states and 5697 transitions. [2020-10-13 08:06:21,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-10-13 08:06:21,442 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:21,443 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:06:21,443 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 08:06:21,443 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:21,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:21,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1858704823, now seen corresponding path program 1 times [2020-10-13 08:06:21,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:21,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1910032018] [2020-10-13 08:06:21,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:21,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:21,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:22,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:23,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:24,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:24,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-13 08:06:24,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:06:24,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3483 [2020-10-13 08:06:24,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:24,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 08:06:24,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 218 [2020-10-13 08:06:24,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:06:24,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:25,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:25,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:25,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:25,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:25,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:25,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:06:25,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:25,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:25,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:25,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:25,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:06:25,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:25,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:25,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:25,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:06:25,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:25,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 08:06:25,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:25,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:25,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:25,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:25,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:25,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 08:06:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:25,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:25,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:25,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-13 08:06:25,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:25,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-13 08:06:25,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:25,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 08:06:25,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:25,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-13 08:06:25,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:25,480 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-13 08:06:25,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1910032018] [2020-10-13 08:06:25,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:25,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 08:06:25,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617516224] [2020-10-13 08:06:25,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 08:06:25,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:25,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 08:06:25,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:06:25,482 INFO L87 Difference]: Start difference. First operand 4623 states and 5697 transitions. Second operand 6 states. [2020-10-13 08:06:28,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:28,577 INFO L93 Difference]: Finished difference Result 9107 states and 11632 transitions. [2020-10-13 08:06:28,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 08:06:28,578 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 277 [2020-10-13 08:06:28,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:28,602 INFO L225 Difference]: With dead ends: 9107 [2020-10-13 08:06:28,602 INFO L226 Difference]: Without dead ends: 5949 [2020-10-13 08:06:28,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:06:28,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5949 states. [2020-10-13 08:06:28,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5949 to 5949. [2020-10-13 08:06:28,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5949 states. [2020-10-13 08:06:28,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5949 states to 5949 states and 7427 transitions. [2020-10-13 08:06:28,736 INFO L78 Accepts]: Start accepts. Automaton has 5949 states and 7427 transitions. Word has length 277 [2020-10-13 08:06:28,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:28,736 INFO L479 AbstractCegarLoop]: Abstraction has 5949 states and 7427 transitions. [2020-10-13 08:06:28,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 08:06:28,736 INFO L276 IsEmpty]: Start isEmpty. Operand 5949 states and 7427 transitions. [2020-10-13 08:06:28,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-10-13 08:06:28,748 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:28,748 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:06:28,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 08:06:28,749 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:28,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:28,749 INFO L82 PathProgramCache]: Analyzing trace with hash -550422353, now seen corresponding path program 1 times [2020-10-13 08:06:28,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:28,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1837088907] [2020-10-13 08:06:28,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:28,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:28,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:28,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:29,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:30,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:32,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:32,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 312 [2020-10-13 08:06:32,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:06:32,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3258 [2020-10-13 08:06:32,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:32,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:32,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 241 [2020-10-13 08:06:32,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:06:32,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:32,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:32,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:32,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:32,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:32,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:32,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:06:32,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:32,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:32,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:32,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:32,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:32,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:32,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:32,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:32,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:06:32,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:32,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 08:06:32,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:32,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:32,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:32,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:32,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:32,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 08:06:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:32,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:32,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:32,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-13 08:06:32,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:32,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-13 08:06:32,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:32,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:32,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-10-13 08:06:32,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:06:32,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:32,320 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-13 08:06:32,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1837088907] [2020-10-13 08:06:32,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:06:32,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 08:06:32,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949556148] [2020-10-13 08:06:32,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:06:32,322 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:32,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:06:32,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:06:32,322 INFO L87 Difference]: Start difference. First operand 5949 states and 7427 transitions. Second operand 5 states. [2020-10-13 08:06:34,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:34,311 INFO L93 Difference]: Finished difference Result 11127 states and 14041 transitions. [2020-10-13 08:06:34,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:34,313 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 300 [2020-10-13 08:06:34,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:34,329 INFO L225 Difference]: With dead ends: 11127 [2020-10-13 08:06:34,329 INFO L226 Difference]: Without dead ends: 6518 [2020-10-13 08:06:34,342 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 [2020-10-13 08:06:34,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6518 states. [2020-10-13 08:06:34,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6518 to 6328. [2020-10-13 08:06:34,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6328 states. [2020-10-13 08:06:34,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6328 states to 6328 states and 7845 transitions. [2020-10-13 08:06:34,458 INFO L78 Accepts]: Start accepts. Automaton has 6328 states and 7845 transitions. Word has length 300 [2020-10-13 08:06:34,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:34,458 INFO L479 AbstractCegarLoop]: Abstraction has 6328 states and 7845 transitions. [2020-10-13 08:06:34,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:06:34,459 INFO L276 IsEmpty]: Start isEmpty. Operand 6328 states and 7845 transitions. [2020-10-13 08:06:34,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-10-13 08:06:34,471 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:34,472 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:06:34,472 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 08:06:34,472 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:34,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:34,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1899267752, now seen corresponding path program 1 times [2020-10-13 08:06:34,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:34,473 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1825003254] [2020-10-13 08:06:34,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:34,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:34,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:35,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:35,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:38,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:38,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 312 [2020-10-13 08:06:38,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:06:38,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3652 [2020-10-13 08:06:38,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:38,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:06:38,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 243 [2020-10-13 08:06:38,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 08:06:38,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:38,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:38,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:38,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:38,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:38,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:38,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:06:38,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:38,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:38,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:38,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:38,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:38,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:38,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:38,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:38,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:06:38,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:38,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 08:06:38,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:38,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:38,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:38,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:38,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:38,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 08:06:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:38,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:38,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:38,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-13 08:06:38,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:38,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-13 08:06:38,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:38,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:38,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:38,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-13 08:06:38,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:38,822 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-13 08:06:38,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1825003254] [2020-10-13 08:06:38,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:38,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 08:06:38,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624953404] [2020-10-13 08:06:38,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 08:06:38,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:38,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 08:06:38,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 08:06:38,824 INFO L87 Difference]: Start difference. First operand 6328 states and 7845 transitions. Second operand 9 states. [2020-10-13 08:06:40,319 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-10-13 08:06:40,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:40,966 INFO L93 Difference]: Finished difference Result 11190 states and 13995 transitions. [2020-10-13 08:06:40,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 08:06:40,967 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 300 [2020-10-13 08:06:40,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:40,987 INFO L225 Difference]: With dead ends: 11190 [2020-10-13 08:06:40,987 INFO L226 Difference]: Without dead ends: 6328 [2020-10-13 08:06:40,997 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-10-13 08:06:41,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6328 states. [2020-10-13 08:06:41,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6328 to 6328. [2020-10-13 08:06:41,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6328 states. [2020-10-13 08:06:41,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6328 states to 6328 states and 7836 transitions. [2020-10-13 08:06:41,107 INFO L78 Accepts]: Start accepts. Automaton has 6328 states and 7836 transitions. Word has length 300 [2020-10-13 08:06:41,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:41,107 INFO L479 AbstractCegarLoop]: Abstraction has 6328 states and 7836 transitions. [2020-10-13 08:06:41,108 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 08:06:41,108 INFO L276 IsEmpty]: Start isEmpty. Operand 6328 states and 7836 transitions. [2020-10-13 08:06:41,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-10-13 08:06:41,123 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:41,124 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:06:41,124 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 08:06:41,124 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:41,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:41,125 INFO L82 PathProgramCache]: Analyzing trace with hash 523009886, now seen corresponding path program 1 times [2020-10-13 08:06:41,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:41,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1276418968] [2020-10-13 08:06:41,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:41,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:41,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:42,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:43,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:43,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 340 [2020-10-13 08:06:43,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:06:43,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2583 [2020-10-13 08:06:43,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:43,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:43,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 271 [2020-10-13 08:06:43,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:06:43,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:43,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:43,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:43,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:43,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:43,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:43,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:06:43,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:43,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:43,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:43,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:43,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:43,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:43,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:43,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:43,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:06:43,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:43,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 08:06:43,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:43,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:43,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:43,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:43,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:43,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 08:06:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:43,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:44,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:44,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-13 08:06:44,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:44,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-13 08:06:44,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:44,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:44,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:44,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-13 08:06:44,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:44,094 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-13 08:06:44,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1276418968] [2020-10-13 08:06:44,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:44,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:06:44,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239836614] [2020-10-13 08:06:44,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:06:44,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:44,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:06:44,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:06:44,096 INFO L87 Difference]: Start difference. First operand 6328 states and 7836 transitions. Second operand 5 states. [2020-10-13 08:06:46,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:46,203 INFO L93 Difference]: Finished difference Result 12462 states and 15802 transitions. [2020-10-13 08:06:46,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:46,209 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 328 [2020-10-13 08:06:46,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:46,233 INFO L225 Difference]: With dead ends: 12462 [2020-10-13 08:06:46,233 INFO L226 Difference]: Without dead ends: 7664 [2020-10-13 08:06:46,244 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 [2020-10-13 08:06:46,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7664 states. [2020-10-13 08:06:46,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7664 to 7664. [2020-10-13 08:06:46,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7664 states. [2020-10-13 08:06:46,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7664 states to 7664 states and 9413 transitions. [2020-10-13 08:06:46,380 INFO L78 Accepts]: Start accepts. Automaton has 7664 states and 9413 transitions. Word has length 328 [2020-10-13 08:06:46,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:46,381 INFO L479 AbstractCegarLoop]: Abstraction has 7664 states and 9413 transitions. [2020-10-13 08:06:46,381 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:06:46,381 INFO L276 IsEmpty]: Start isEmpty. Operand 7664 states and 9413 transitions. [2020-10-13 08:06:46,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-10-13 08:06:46,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:46,401 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, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:06:46,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 08:06:46,402 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:46,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:46,402 INFO L82 PathProgramCache]: Analyzing trace with hash 819254223, now seen corresponding path program 1 times [2020-10-13 08:06:46,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:46,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [359704000] [2020-10-13 08:06:46,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:46,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:46,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:47,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:47,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:47,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 363 [2020-10-13 08:06:47,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:06:47,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 974 [2020-10-13 08:06:47,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:47,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:47,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 294 [2020-10-13 08:06:47,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:06:47,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:47,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:47,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:47,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:47,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:47,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:47,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:06:47,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:47,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:47,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:47,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:47,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:47,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:47,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:47,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:47,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:06:47,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:47,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-13 08:06:47,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:47,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:47,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:47,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:47,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:47,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:06:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:47,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:47,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:47,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-13 08:06:47,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:47,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-13 08:06:47,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:47,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:47,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:47,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-13 08:06:47,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:06:48,069 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-13 08:06:48,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [359704000] [2020-10-13 08:06:48,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:48,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:06:48,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051374100] [2020-10-13 08:06:48,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:06:48,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:48,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:06:48,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:06:48,074 INFO L87 Difference]: Start difference. First operand 7664 states and 9413 transitions. Second operand 5 states. [2020-10-13 08:06:50,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:50,255 INFO L93 Difference]: Finished difference Result 14937 states and 18715 transitions. [2020-10-13 08:06:50,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:50,256 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 351 [2020-10-13 08:06:50,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:50,282 INFO L225 Difference]: With dead ends: 14937 [2020-10-13 08:06:50,283 INFO L226 Difference]: Without dead ends: 8803 [2020-10-13 08:06:50,295 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:06:50,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8803 states. [2020-10-13 08:06:50,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8803 to 8803. [2020-10-13 08:06:50,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8803 states. [2020-10-13 08:06:50,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8803 states to 8803 states and 10747 transitions. [2020-10-13 08:06:50,441 INFO L78 Accepts]: Start accepts. Automaton has 8803 states and 10747 transitions. Word has length 351 [2020-10-13 08:06:50,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:50,442 INFO L479 AbstractCegarLoop]: Abstraction has 8803 states and 10747 transitions. [2020-10-13 08:06:50,442 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:06:50,442 INFO L276 IsEmpty]: Start isEmpty. Operand 8803 states and 10747 transitions. [2020-10-13 08:06:50,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2020-10-13 08:06:50,461 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:50,461 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:06:50,462 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 08:06:50,462 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:50,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:50,462 INFO L82 PathProgramCache]: Analyzing trace with hash 237119001, now seen corresponding path program 1 times [2020-10-13 08:06:50,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:50,463 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1447705932] [2020-10-13 08:06:50,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:50,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:50,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:50,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:55,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:55,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 376 [2020-10-13 08:06:55,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:06:55,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4704 [2020-10-13 08:06:55,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:55,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:55,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 215 [2020-10-13 08:06:55,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 08:06:55,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:55,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:55,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:55,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:55,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:55,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:55,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:06:55,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:55,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:55,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:55,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:55,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:55,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:55,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:55,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:55,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:06:55,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:55,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 08:06:55,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:55,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:55,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:55,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:55,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:55,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 08:06:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:55,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:55,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:55,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:06:55,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:55,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-13 08:06:55,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:55,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:55,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:55,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-13 08:06:55,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:55,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-13 08:06:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:55,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:55,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:55,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-13 08:06:55,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:55,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-13 08:06:55,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:55,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:55,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:06:55,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-13 08:06:55,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:55,719 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 365 proven. 2 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-10-13 08:06:55,720 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1447705932] [2020-10-13 08:06:55,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:55,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:06:55,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938879614] [2020-10-13 08:06:55,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:06:55,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:55,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:06:55,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:06:55,722 INFO L87 Difference]: Start difference. First operand 8803 states and 10747 transitions. Second operand 7 states. [2020-10-13 08:06:57,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:57,998 INFO L93 Difference]: Finished difference Result 19147 states and 23587 transitions. [2020-10-13 08:06:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 08:06:58,004 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 362 [2020-10-13 08:06:58,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:58,034 INFO L225 Difference]: With dead ends: 19147 [2020-10-13 08:06:58,034 INFO L226 Difference]: Without dead ends: 10156 [2020-10-13 08:06:58,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-13 08:06:58,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10156 states. [2020-10-13 08:06:58,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10156 to 9586. [2020-10-13 08:06:58,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9586 states. [2020-10-13 08:06:58,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9586 states to 9586 states and 11414 transitions. [2020-10-13 08:06:58,208 INFO L78 Accepts]: Start accepts. Automaton has 9586 states and 11414 transitions. Word has length 362 [2020-10-13 08:06:58,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:58,209 INFO L479 AbstractCegarLoop]: Abstraction has 9586 states and 11414 transitions. [2020-10-13 08:06:58,209 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:06:58,209 INFO L276 IsEmpty]: Start isEmpty. Operand 9586 states and 11414 transitions. [2020-10-13 08:06:58,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2020-10-13 08:06:58,227 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:58,228 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, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:06:58,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 08:06:58,228 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:58,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:58,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1808661004, now seen corresponding path program 1 times [2020-10-13 08:06:58,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:58,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [494198275] [2020-10-13 08:06:58,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:58,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:58,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:59,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:59,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:59,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 387 [2020-10-13 08:06:59,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:06:59,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 946 [2020-10-13 08:06:59,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:59,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:59,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 318 [2020-10-13 08:06:59,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:06:59,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:59,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:59,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:59,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:59,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:59,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:59,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:06:59,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:59,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:59,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:59,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:59,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:59,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:59,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:59,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:59,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:06:59,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:59,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 08:06:59,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:59,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:59,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:59,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:06:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:59,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:59,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:59,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-13 08:06:59,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:59,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-13 08:06:59,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:59,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:59,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:59,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-13 08:06:59,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:59,594 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-13 08:06:59,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [494198275] [2020-10-13 08:06:59,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:59,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:06:59,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146869849] [2020-10-13 08:06:59,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:06:59,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:59,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:06:59,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:06:59,596 INFO L87 Difference]: Start difference. First operand 9586 states and 11414 transitions. Second operand 5 states. [2020-10-13 08:07:01,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:07:01,657 INFO L93 Difference]: Finished difference Result 17644 states and 21037 transitions. [2020-10-13 08:07:01,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:07:01,658 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 375 [2020-10-13 08:07:01,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:07:01,681 INFO L225 Difference]: With dead ends: 17644 [2020-10-13 08:07:01,681 INFO L226 Difference]: Without dead ends: 9586 [2020-10-13 08:07:01,697 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 [2020-10-13 08:07:01,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9586 states. [2020-10-13 08:07:01,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9586 to 9586. [2020-10-13 08:07:01,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9586 states. [2020-10-13 08:07:01,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9586 states to 9586 states and 11351 transitions. [2020-10-13 08:07:01,857 INFO L78 Accepts]: Start accepts. Automaton has 9586 states and 11351 transitions. Word has length 375 [2020-10-13 08:07:01,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:07:01,858 INFO L479 AbstractCegarLoop]: Abstraction has 9586 states and 11351 transitions. [2020-10-13 08:07:01,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:07:01,858 INFO L276 IsEmpty]: Start isEmpty. Operand 9586 states and 11351 transitions. [2020-10-13 08:07:01,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2020-10-13 08:07:01,884 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:07:01,884 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:07:01,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-13 08:07:01,885 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:07:01,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:07:01,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1624106273, now seen corresponding path program 1 times [2020-10-13 08:07:01,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:07:01,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [919493453] [2020-10-13 08:07:01,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:07:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:02,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:02,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:02,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:03,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:04,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:05,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:05,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 456 [2020-10-13 08:07:05,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:07:05,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3545 [2020-10-13 08:07:05,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:05,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:07:05,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-13 08:07:05,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-13 08:07:05,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:05,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:07:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:05,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:05,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:05,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:07:05,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:05,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:07:05,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:05,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:07:05,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:05,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:07:05,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:05,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:07:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:05,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:05,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:05,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:07:05,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:05,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-13 08:07:05,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:05,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:07:05,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:05,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-13 08:07:05,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:05,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:07:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:05,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:05,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:05,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-13 08:07:05,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:05,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-13 08:07:05,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:05,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:07:05,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:07:05,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-13 08:07:05,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:05,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2020-10-13 08:07:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:05,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:05,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:05,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-13 08:07:05,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:05,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 08:07:05,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:05,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:07:05,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-13 08:07:05,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:07:05,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:06,124 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 316 proven. 89 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-10-13 08:07:06,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [919493453] [2020-10-13 08:07:06,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:07:06,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:07:06,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093438542] [2020-10-13 08:07:06,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:07:06,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:07:06,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:07:06,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:07:06,126 INFO L87 Difference]: Start difference. First operand 9586 states and 11351 transitions. Second operand 8 states. [2020-10-13 08:07:08,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:07:08,250 INFO L93 Difference]: Finished difference Result 19944 states and 23593 transitions. [2020-10-13 08:07:08,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 08:07:08,251 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 442 [2020-10-13 08:07:08,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:07:08,252 INFO L225 Difference]: With dead ends: 19944 [2020-10-13 08:07:08,252 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:07:08,274 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-13 08:07:08,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:07:08,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:07:08,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:07:08,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:07:08,275 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 442 [2020-10-13 08:07:08,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:07:08,276 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:07:08,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:07:08,276 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:07:08,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:07:08,276 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-13 08:07:08,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:07:09,137 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 120 [2020-10-13 08:07:09,263 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 120 [2020-10-13 08:07:09,378 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 17 [2020-10-13 08:07:11,413 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 367 DAG size of output: 104 [2020-10-13 08:07:11,915 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 84 [2020-10-13 08:07:12,406 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 84 [2020-10-13 08:07:12,410 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:07:12,411 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)|)) [2020-10-13 08:07:12,411 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:07:12,411 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-13 08:07:12,411 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-13 08:07:12,411 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-13 08:07:12,411 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,411 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,412 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,412 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,412 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,412 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,412 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,413 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-13 08:07:12,413 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-13 08:07:12,413 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-13 08:07:12,413 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,413 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,414 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,414 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,414 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,414 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,414 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,414 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,414 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,414 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-13 08:07:12,414 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-13 08:07:12,414 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-13 08:07:12,415 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,415 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,415 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,415 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,415 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,415 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,415 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,415 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,415 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,416 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-13 08:07:12,416 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-13 08:07:12,416 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-13 08:07:12,416 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-10-13 08:07:12,416 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-13 08:07:12,416 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-10-13 08:07:12,416 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-10-13 08:07:12,416 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,416 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,416 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,417 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,417 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,417 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,417 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,417 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,417 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,417 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,417 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-13 08:07:12,417 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-13 08:07:12,418 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-13 08:07:12,418 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,418 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,418 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,418 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,418 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,418 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-13 08:07:12,418 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-13 08:07:12,418 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-13 08:07:12,418 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,419 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,419 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,419 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,419 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,419 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-10-13 08:07:12,419 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-10-13 08:07:12,419 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,419 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,419 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,420 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,420 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,420 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,420 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-10-13 08:07:12,420 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-10-13 08:07:12,420 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,420 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,420 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-13 08:07:12,420 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-13 08:07:12,421 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-13 08:07:12,421 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,421 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,421 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,421 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,421 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,421 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,421 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,421 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-13 08:07:12,421 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-13 08:07:12,421 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-13 08:07:12,421 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-10-13 08:07:12,421 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-10-13 08:07:12,422 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-10-13 08:07:12,422 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-10-13 08:07:12,422 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,422 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,422 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-10-13 08:07:12,422 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-10-13 08:07:12,422 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,422 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,422 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,422 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,423 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse14 (= ~a23~0 |old(~a23~0)|)) (.cse15 (= ~a29~0 |old(~a29~0)|)) (.cse16 (= ~a4~0 |old(~a4~0)|)) (.cse10 (= |old(~a4~0)| 1))) (let ((.cse0 (not .cse10)) (.cse3 (not (<= 246 |old(~a29~0)|))) (.cse13 (not (<= |old(~a29~0)| 140))) (.cse5 (not (<= |old(~a23~0)| 138))) (.cse9 (not (<= 12 |old(~a25~0)|))) (.cse11 (not (<= |old(~a25~0)| 12))) (.cse1 (not (= ~a8~0 15))) (.cse4 (not (= ~a3~0 1))) (.cse12 (not (<= |old(~a25~0)| 10))) (.cse6 (not (<= ~a8~0 15))) (.cse2 (and (= ~a25~0 |old(~a25~0)|) .cse14 .cse15 .cse16)) (.cse7 (not (<= |old(~a4~0)| 1))) (.cse8 (not (<= 1 |old(~a4~0)|)))) (and (or .cse0 (not (<= 0 (+ |old(~a23~0)| 41))) .cse1 .cse2 .cse3 (not (<= |old(~a29~0)| 275)) .cse4 .cse5) (or .cse0 .cse1 (not (<= |old(~a23~0)| 303)) (not (<= 179 |old(~a23~0)|)) .cse2 .cse4) (or .cse6 (not (<= 307 |old(~a23~0)|)) .cse2 .cse7 .cse8) (or .cse9 .cse6 .cse2 .cse7 .cse8) (or (not (<= 277 |old(~a29~0)|)) .cse1 .cse10 .cse2 .cse11 .cse4 .cse5) (or .cse12 .cse13 .cse6 .cse2) (or .cse0 (not (<= |old(~a29~0)| 271)) .cse1 .cse2 (not (<= (+ |old(~a23~0)| 517856) 0)) .cse3 .cse4) (or (not (< 0 (+ |old(~a23~0)| 43))) .cse9 .cse1 .cse2 .cse4 .cse5) (or .cse13 .cse1 .cse10 .cse2 .cse11 .cse4 .cse5) (or .cse9 (and (<= ~a25~0 12) .cse14 .cse15 .cse16 (<= 12 ~a25~0)) .cse6 .cse11) (or (not (<= 0 (+ |old(~a23~0)| 4))) .cse1 (not (<= 146963 |old(~a29~0)|)) .cse2 (not (<= |old(~a23~0)| 85)) .cse4) (or .cse12 .cse6 .cse2 .cse7 .cse8)))) [2020-10-13 08:07:12,423 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,423 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-13 08:07:12,423 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-13 08:07:12,423 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-13 08:07:12,423 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,423 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,423 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,424 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,424 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,424 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,424 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-13 08:07:12,424 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-13 08:07:12,424 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-13 08:07:12,424 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,424 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,424 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,425 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,425 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,425 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,425 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,425 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,425 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-13 08:07:12,425 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-13 08:07:12,425 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-13 08:07:12,425 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,425 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,426 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,426 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,426 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,426 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,426 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,426 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,426 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,426 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,426 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,426 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-10-13 08:07:12,427 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-10-13 08:07:12,427 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-13 08:07:12,427 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-13 08:07:12,427 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-13 08:07:12,427 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,427 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,427 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,427 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,427 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,427 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,427 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,428 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-13 08:07:12,428 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-13 08:07:12,428 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-13 08:07:12,428 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,428 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,428 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,428 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-10-13 08:07:12,428 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-10-13 08:07:12,428 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,428 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,429 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,429 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,429 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,429 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 195) no Hoare annotation was computed. [2020-10-13 08:07:12,429 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-13 08:07:12,429 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-13 08:07:12,429 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,429 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,430 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-10-13 08:07:12,430 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-10-13 08:07:12,430 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,430 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,430 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,430 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,430 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,430 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,431 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-13 08:07:12,431 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-13 08:07:12,431 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-10-13 08:07:12,431 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-10-13 08:07:12,431 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,431 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,431 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,431 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,431 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,431 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,431 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,431 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,431 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-13 08:07:12,431 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-13 08:07:12,431 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-10-13 08:07:12,432 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-10-13 08:07:12,432 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-10-13 08:07:12,432 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-10-13 08:07:12,432 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,432 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,432 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,432 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,432 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,432 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,432 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,432 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-13 08:07:12,432 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-13 08:07:12,432 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,432 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,432 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,433 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,433 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,433 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,433 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,433 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-13 08:07:12,433 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-13 08:07:12,433 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,433 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,433 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,433 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,433 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,433 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,433 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,433 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-13 08:07:12,433 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,433 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,434 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,434 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-13 08:07:12,434 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-13 08:07:12,434 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-13 08:07:12,434 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,434 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-10-13 08:07:12,434 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,434 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-10-13 08:07:12,434 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,434 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,434 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,434 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,434 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,434 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,435 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-13 08:07:12,435 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-13 08:07:12,435 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-13 08:07:12,435 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,435 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,435 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,435 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,435 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,436 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,436 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,436 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,436 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,436 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,436 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-13 08:07:12,436 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-13 08:07:12,436 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-13 08:07:12,437 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,437 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-10-13 08:07:12,437 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-10-13 08:07:12,437 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,437 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,437 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,437 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,437 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,437 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,438 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-13 08:07:12,438 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-13 08:07:12,438 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-13 08:07:12,438 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,438 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,438 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,438 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,438 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-10-13 08:07:12,438 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-10-13 08:07:12,439 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,439 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,439 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-10-13 08:07:12,439 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,439 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,439 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:12,439 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:07:12,439 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a25~0 10) (<= 1 ~a4~0) (<= ~a29~0 140) (<= ~a8~0 15) (<= ~a4~0 1) (= ~a23~0 312)) [2020-10-13 08:07:12,440 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:07:12,440 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:07:12,440 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (<= |old(~a25~0)| 10)) (not (= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 140)) (not (<= ~a8~0 15)) (and (= ~a25~0 |old(~a25~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a23~0 312)) (not (<= |old(~a4~0)| 1)) (not (<= 1 |old(~a4~0)|))) [2020-10-13 08:07:12,440 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-10-13 08:07:12,440 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse7 (= ~a4~0 1))) (let ((.cse1 (<= ~a29~0 140)) (.cse0 (<= ~a25~0 10)) (.cse9 (<= 1 ~a4~0)) (.cse10 (<= ~a4~0 1)) (.cse11 (<= 12 ~a25~0)) (.cse8 (<= 246 ~a29~0)) (.cse2 (<= ~a23~0 138)) (.cse3 (<= ~a25~0 12)) (.cse5 (not .cse7)) (.cse4 (= ~a8~0 15)) (.cse6 (= ~a3~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse1 .cse4 .cse5 .cse6) (and (<= ~a29~0 275) .cse2 (<= 0 (+ ~a23~0 41)) .cse4 .cse7 .cse8 .cse6) (not (<= |old(~a4~0)| 1)) (and .cse9 (<= 307 ~a23~0) .cse10) (and .cse3 .cse11) (not (<= 1 |old(~a4~0)|)) (and .cse0 .cse9 .cse10) (not (<= |old(~a25~0)| 10)) (and (<= 146963 ~a29~0) (<= ~a23~0 85) .cse4 (<= 0 (+ ~a23~0 4)) .cse6) (and .cse9 .cse10 .cse11) (and .cse2 .cse4 (< 0 (+ ~a23~0 43)) .cse11 .cse6) (not (= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 140)) (not (<= ~a8~0 15)) (and (<= ~a29~0 271) (<= (+ ~a23~0 517856) 0) .cse4 .cse7 .cse8 .cse6) (and .cse2 .cse3 .cse4 .cse5 .cse6 (<= 277 ~a29~0)) (and (<= ~a23~0 303) (<= 179 ~a23~0) .cse4 .cse7 .cse6)))) [2020-10-13 08:07:12,441 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-10-13 08:07:12,441 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-10-13 08:07:12,441 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse7 (= ~a4~0 1))) (let ((.cse1 (<= ~a29~0 140)) (.cse0 (<= ~a25~0 10)) (.cse9 (<= 1 ~a4~0)) (.cse10 (<= ~a4~0 1)) (.cse11 (<= 12 ~a25~0)) (.cse8 (<= 246 ~a29~0)) (.cse2 (<= ~a23~0 138)) (.cse3 (<= ~a25~0 12)) (.cse5 (not .cse7)) (.cse4 (= ~a8~0 15)) (.cse6 (= ~a3~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse1 .cse4 .cse5 .cse6) (and (<= ~a29~0 275) .cse2 (<= 0 (+ ~a23~0 41)) .cse4 .cse7 .cse8 .cse6) (not (<= |old(~a4~0)| 1)) (and .cse9 (<= 307 ~a23~0) .cse10) (and .cse3 .cse11) (not (<= 1 |old(~a4~0)|)) (and .cse0 .cse9 .cse10) (not (<= |old(~a25~0)| 10)) (and (<= 146963 ~a29~0) (<= ~a23~0 85) .cse4 (<= 0 (+ ~a23~0 4)) .cse6) (and .cse9 .cse10 .cse11) (and .cse2 .cse4 (< 0 (+ ~a23~0 43)) .cse11 .cse6) (not (= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 140)) (not (<= ~a8~0 15)) (and (<= ~a29~0 271) (<= (+ ~a23~0 517856) 0) .cse4 .cse7 .cse8 .cse6) (and .cse2 .cse3 .cse4 .cse5 .cse6 (<= 277 ~a29~0)) (and (<= ~a23~0 303) (<= 179 ~a23~0) .cse4 .cse7 .cse6)))) [2020-10-13 08:07:12,441 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-10-13 08:07:12,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:07:12 BoogieIcfgContainer [2020-10-13 08:07:12,468 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:07:12,470 INFO L168 Benchmark]: Toolchain (without parser) took 108557.30 ms. Allocated memory was 147.3 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 100.3 MB in the beginning and 1.0 GB in the end (delta: -927.5 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2020-10-13 08:07:12,471 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 08:07:12,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1205.84 ms. Allocated memory was 147.3 MB in the beginning and 209.2 MB in the end (delta: 61.9 MB). Free memory was 100.1 MB in the beginning and 161.8 MB in the end (delta: -61.7 MB). Peak memory consumption was 43.2 MB. Max. memory is 7.1 GB. [2020-10-13 08:07:12,472 INFO L168 Benchmark]: Boogie Preprocessor took 181.17 ms. Allocated memory is still 209.2 MB. Free memory was 161.8 MB in the beginning and 153.8 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. [2020-10-13 08:07:12,472 INFO L168 Benchmark]: RCFGBuilder took 1864.17 ms. Allocated memory was 209.2 MB in the beginning and 241.7 MB in the end (delta: 32.5 MB). Free memory was 153.8 MB in the beginning and 97.5 MB in the end (delta: 56.3 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. [2020-10-13 08:07:12,473 INFO L168 Benchmark]: TraceAbstraction took 105301.09 ms. Allocated memory was 241.7 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 97.5 MB in the beginning and 1.0 GB in the end (delta: -930.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-10-13 08:07:12,476 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1205.84 ms. Allocated memory was 147.3 MB in the beginning and 209.2 MB in the end (delta: 61.9 MB). Free memory was 100.1 MB in the beginning and 161.8 MB in the end (delta: -61.7 MB). Peak memory consumption was 43.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 181.17 ms. Allocated memory is still 209.2 MB. Free memory was 161.8 MB in the beginning and 153.8 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1864.17 ms. Allocated memory was 209.2 MB in the beginning and 241.7 MB in the end (delta: 32.5 MB). Free memory was 153.8 MB in the beginning and 97.5 MB in the end (delta: 56.3 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 105301.09 ms. Allocated memory was 241.7 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 97.5 MB in the beginning and 1.0 GB in the end (delta: -930.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 195]: 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: (((((((((((((((((a25 <= 10 && a29 <= 140) || (((((a23 <= 138 && a25 <= 12) && a29 <= 140) && a8 == 15) && !(a4 == 1)) && a3 == 1)) || ((((((a29 <= 275 && a23 <= 138) && 0 <= a23 + 41) && a8 == 15) && a4 == 1) && 246 <= a29) && a3 == 1)) || !(\old(a4) <= 1)) || ((1 <= a4 && 307 <= a23) && a4 <= 1)) || (a25 <= 12 && 12 <= a25)) || !(1 <= \old(a4))) || ((a25 <= 10 && 1 <= a4) && a4 <= 1)) || !(\old(a25) <= 10)) || ((((146963 <= a29 && a23 <= 85) && a8 == 15) && 0 <= a23 + 4) && a3 == 1)) || ((1 <= a4 && a4 <= 1) && 12 <= a25)) || ((((a23 <= 138 && a8 == 15) && 0 < a23 + 43) && 12 <= a25) && a3 == 1)) || !(312 == \old(a23))) || !(\old(a29) <= 140)) || !(a8 <= 15)) || (((((a29 <= 271 && a23 + 517856 <= 0) && a8 == 15) && a4 == 1) && 246 <= a29) && a3 == 1)) || (((((a23 <= 138 && a25 <= 12) && a8 == 15) && !(a4 == 1)) && a3 == 1) && 277 <= a29)) || ((((a23 <= 303 && 179 <= a23) && a8 == 15) && a4 == 1) && a3 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 101.0s, OverallIterations: 20, TraceHistogramMax: 4, AutomataDifference: 43.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 817 SDtfs, 9730 SDslu, 1085 SDs, 0 SdLazy, 21499 SolverSat, 2014 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 271 GetRequests, 159 SyntacticMatches, 3 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9586occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 20 MinimizatonAttempts, 1027 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 396 PreInvPairs, 532 NumberOfFragments, 917 HoareAnnotationTreeSize, 396 FomulaSimplifications, 168536 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6836 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 53.6s InterpolantComputationTime, 4852 NumberOfCodeBlocks, 4852 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 4832 ConstructedInterpolants, 0 QuantifiedInterpolants, 4109102 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 3 PerfectInterpolantSequences, 3361/3474 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...