/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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_label10.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 20:55:35,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 20:55:35,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 20:55:35,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 20:55:35,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 20:55:35,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 20:55:35,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 20:55:35,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 20:55:35,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 20:55:35,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 20:55:35,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 20:55:35,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 20:55:35,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 20:55:35,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 20:55:35,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 20:55:35,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 20:55:35,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 20:55:35,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 20:55:35,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 20:55:35,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 20:55:35,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 20:55:35,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 20:55:35,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 20:55:35,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 20:55:35,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 20:55:35,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 20:55:35,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 20:55:35,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 20:55:35,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 20:55:35,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 20:55:35,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 20:55:35,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 20:55:35,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 20:55:35,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 20:55:35,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 20:55:35,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 20:55:35,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 20:55:35,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 20:55:35,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 20:55:35,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 20:55:35,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 20:55:35,128 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 20:55:35,175 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 20:55:35,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 20:55:35,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 20:55:35,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 20:55:35,178 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 20:55:35,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 20:55:35,179 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 20:55:35,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 20:55:35,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 20:55:35,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 20:55:35,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 20:55:35,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 20:55:35,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 20:55:35,182 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 20:55:35,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 20:55:35,182 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 20:55:35,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 20:55:35,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 20:55:35,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 20:55:35,183 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 20:55:35,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 20:55:35,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:55:35,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 20:55:35,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 20:55:35,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 20:55:35,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 20:55:35,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 20:55:35,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 20:55:35,185 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 20:55:35,185 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 20:55:35,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 20:55:35,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 20:55:35,535 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 20:55:35,537 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 20:55:35,537 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 20:55:35,538 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label10.c [2020-10-14 20:55:35,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d500214e/8092a569791347b6979ccfa8818fd530/FLAGd0ed26ad8 [2020-10-14 20:55:36,225 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 20:55:36,226 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label10.c [2020-10-14 20:55:36,242 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d500214e/8092a569791347b6979ccfa8818fd530/FLAGd0ed26ad8 [2020-10-14 20:55:36,452 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d500214e/8092a569791347b6979ccfa8818fd530 [2020-10-14 20:55:36,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 20:55:36,463 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 20:55:36,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 20:55:36,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 20:55:36,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 20:55:36,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:55:36" (1/1) ... [2020-10-14 20:55:36,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cbac012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:36, skipping insertion in model container [2020-10-14 20:55:36,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:55:36" (1/1) ... [2020-10-14 20:55:36,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 20:55:36,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 20:55:37,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:55:37,188 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 20:55:37,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:55:37,449 INFO L208 MainTranslator]: Completed translation [2020-10-14 20:55:37,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:37 WrapperNode [2020-10-14 20:55:37,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 20:55:37,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 20:55:37,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 20:55:37,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 20:55:37,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:37" (1/1) ... [2020-10-14 20:55:37,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:37" (1/1) ... [2020-10-14 20:55:37,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:37" (1/1) ... [2020-10-14 20:55:37,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:37" (1/1) ... [2020-10-14 20:55:37,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:37" (1/1) ... [2020-10-14 20:55:37,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:37" (1/1) ... [2020-10-14 20:55:37,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:37" (1/1) ... [2020-10-14 20:55:37,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 20:55:37,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 20:55:37,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 20:55:37,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 20:55:37,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:55:37,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 20:55:37,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 20:55:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 20:55:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 20:55:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 20:55:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 20:55:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 20:55:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 20:55:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 20:55:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 20:55:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 20:55:39,543 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 20:55:39,544 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 20:55:39,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:55:39 BoogieIcfgContainer [2020-10-14 20:55:39,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 20:55:39,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 20:55:39,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 20:55:39,557 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 20:55:39,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:55:36" (1/3) ... [2020-10-14 20:55:39,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5afbd872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:55:39, skipping insertion in model container [2020-10-14 20:55:39,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:37" (2/3) ... [2020-10-14 20:55:39,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5afbd872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:55:39, skipping insertion in model container [2020-10-14 20:55:39,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:55:39" (3/3) ... [2020-10-14 20:55:39,562 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label10.c [2020-10-14 20:55:39,574 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 20:55:39,583 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 20:55:39,599 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 20:55:39,626 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 20:55:39,626 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 20:55:39,627 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 20:55:39,627 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 20:55:39,627 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 20:55:39,627 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 20:55:39,627 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 20:55:39,627 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 20:55:39,655 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-14 20:55:39,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-14 20:55:39,663 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:39,665 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] [2020-10-14 20:55:39,665 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:39,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:39,672 INFO L82 PathProgramCache]: Analyzing trace with hash 734030971, now seen corresponding path program 1 times [2020-10-14 20:55:39,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:39,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [757200558] [2020-10-14 20:55:39,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:39,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:40,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:40,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-14 20:55:40,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:40,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 352 [2020-10-14 20:55:40,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:40,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:40,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:55:40,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:55:40,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-14 20:55:40,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:55:40,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:40,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:40,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:40,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:40,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:40,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 20:55:40,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:40,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:40,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:40,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:40,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:55:40,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:55:40,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:55:40,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [757200558] [2020-10-14 20:55:40,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:55:40,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 20:55:40,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182897386] [2020-10-14 20:55:40,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 20:55:40,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:40,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 20:55:40,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 20:55:40,437 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-14 20:55:42,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:42,877 INFO L93 Difference]: Finished difference Result 806 states and 1404 transitions. [2020-10-14 20:55:42,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:55:42,879 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-10-14 20:55:42,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:42,899 INFO L225 Difference]: With dead ends: 806 [2020-10-14 20:55:42,899 INFO L226 Difference]: Without dead ends: 434 [2020-10-14 20:55:42,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:55:42,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-10-14 20:55:42,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 428. [2020-10-14 20:55:42,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2020-10-14 20:55:42,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 617 transitions. [2020-10-14 20:55:42,996 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 617 transitions. Word has length 28 [2020-10-14 20:55:42,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:42,996 INFO L479 AbstractCegarLoop]: Abstraction has 428 states and 617 transitions. [2020-10-14 20:55:42,997 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 20:55:42,997 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 617 transitions. [2020-10-14 20:55:43,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-14 20:55:43,002 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:43,002 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:55:43,003 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 20:55:43,003 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:43,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:43,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1011694458, now seen corresponding path program 1 times [2020-10-14 20:55:43,004 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:43,004 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [993488714] [2020-10-14 20:55:43,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:43,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:43,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:43,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:44,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:44,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 20:55:44,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:55:44,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1108 [2020-10-14 20:55:44,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:44,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:44,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:55:44,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:55:44,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 20:55:44,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:55:44,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:44,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:44,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:44,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:44,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:44,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 20:55:44,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:44,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:44,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:44,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:44,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:55:44,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:44,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:44,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:44,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:44,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 20:55:44,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:44,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-14 20:55:44,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:44,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:44,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:44,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:44,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 20:55:44,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:44,552 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:55:44,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [993488714] [2020-10-14 20:55:44,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:55:44,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:55:44,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865546113] [2020-10-14 20:55:44,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:55:44,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:44,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:55:44,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:55:44,557 INFO L87 Difference]: Start difference. First operand 428 states and 617 transitions. Second operand 7 states. [2020-10-14 20:55:47,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:47,127 INFO L93 Difference]: Finished difference Result 1267 states and 1852 transitions. [2020-10-14 20:55:47,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:55:47,127 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 100 [2020-10-14 20:55:47,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:47,134 INFO L225 Difference]: With dead ends: 1267 [2020-10-14 20:55:47,134 INFO L226 Difference]: Without dead ends: 845 [2020-10-14 20:55:47,136 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:55:47,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2020-10-14 20:55:47,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 822. [2020-10-14 20:55:47,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 822 states. [2020-10-14 20:55:47,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1109 transitions. [2020-10-14 20:55:47,212 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 1109 transitions. Word has length 100 [2020-10-14 20:55:47,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:47,213 INFO L479 AbstractCegarLoop]: Abstraction has 822 states and 1109 transitions. [2020-10-14 20:55:47,213 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:55:47,213 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1109 transitions. [2020-10-14 20:55:47,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-14 20:55:47,215 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:47,216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:55:47,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 20:55:47,216 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:47,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:47,216 INFO L82 PathProgramCache]: Analyzing trace with hash -498937431, now seen corresponding path program 1 times [2020-10-14 20:55:47,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:47,217 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1617648749] [2020-10-14 20:55:47,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:47,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:47,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:48,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:48,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 20:55:48,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:55:48,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 852 [2020-10-14 20:55:48,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:48,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:48,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:55:48,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:55:48,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 20:55:48,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:48,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:48,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:48,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:48,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:48,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:48,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 20:55:48,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:48,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:48,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:48,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:48,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:55:48,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:48,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:48,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:48,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:48,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 20:55:48,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:48,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-14 20:55:48,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:48,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:48,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:48,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:48,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 20:55:48,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:48,401 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:55:48,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1617648749] [2020-10-14 20:55:48,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:55:48,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:55:48,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205295077] [2020-10-14 20:55:48,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:55:48,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:48,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:55:48,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:55:48,404 INFO L87 Difference]: Start difference. First operand 822 states and 1109 transitions. Second operand 7 states. [2020-10-14 20:55:50,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:50,728 INFO L93 Difference]: Finished difference Result 2490 states and 3444 transitions. [2020-10-14 20:55:50,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:55:50,729 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 103 [2020-10-14 20:55:50,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:50,745 INFO L225 Difference]: With dead ends: 2490 [2020-10-14 20:55:50,745 INFO L226 Difference]: Without dead ends: 1674 [2020-10-14 20:55:50,749 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:55:50,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2020-10-14 20:55:50,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1625. [2020-10-14 20:55:50,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1625 states. [2020-10-14 20:55:50,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1625 states and 2048 transitions. [2020-10-14 20:55:50,828 INFO L78 Accepts]: Start accepts. Automaton has 1625 states and 2048 transitions. Word has length 103 [2020-10-14 20:55:50,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:50,828 INFO L479 AbstractCegarLoop]: Abstraction has 1625 states and 2048 transitions. [2020-10-14 20:55:50,828 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:55:50,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 2048 transitions. [2020-10-14 20:55:50,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-14 20:55:50,832 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:50,832 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:55:50,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 20:55:50,833 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:50,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:50,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1378709756, now seen corresponding path program 1 times [2020-10-14 20:55:50,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:50,834 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [967919130] [2020-10-14 20:55:50,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:50,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:51,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:51,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-14 20:55:51,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:51,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 450 [2020-10-14 20:55:51,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:51,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:51,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:51,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 20:55:51,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 20:55:51,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:51,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:51,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:51,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:51,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:51,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:51,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:55:51,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:51,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:51,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:51,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:51,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:51,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:51,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:51,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:51,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:51,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:55:51,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:51,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-14 20:55:51,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:51,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:51,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:51,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:51,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 20:55:51,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:51,749 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:55:51,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [967919130] [2020-10-14 20:55:51,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:51,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:55:51,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988811342] [2020-10-14 20:55:51,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:55:51,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:51,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:55:51,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:55:51,756 INFO L87 Difference]: Start difference. First operand 1625 states and 2048 transitions. Second operand 5 states. [2020-10-14 20:55:53,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:53,654 INFO L93 Difference]: Finished difference Result 3869 states and 5052 transitions. [2020-10-14 20:55:53,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:55:53,655 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2020-10-14 20:55:53,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:53,668 INFO L225 Difference]: With dead ends: 3869 [2020-10-14 20:55:53,668 INFO L226 Difference]: Without dead ends: 2438 [2020-10-14 20:55:53,672 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:55:53,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2438 states. [2020-10-14 20:55:53,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2438 to 2423. [2020-10-14 20:55:53,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2423 states. [2020-10-14 20:55:53,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 2423 states and 3075 transitions. [2020-10-14 20:55:53,735 INFO L78 Accepts]: Start accepts. Automaton has 2423 states and 3075 transitions. Word has length 159 [2020-10-14 20:55:53,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:53,736 INFO L479 AbstractCegarLoop]: Abstraction has 2423 states and 3075 transitions. [2020-10-14 20:55:53,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:55:53,737 INFO L276 IsEmpty]: Start isEmpty. Operand 2423 states and 3075 transitions. [2020-10-14 20:55:53,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-14 20:55:53,741 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:53,741 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:55:53,742 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 20:55:53,742 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:53,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:53,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1674688173, now seen corresponding path program 1 times [2020-10-14 20:55:53,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:53,743 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1833774262] [2020-10-14 20:55:53,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:53,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:54,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:54,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:55,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:55,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-14 20:55:55,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:55:55,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1684 [2020-10-14 20:55:55,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:55,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:55,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:55,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 20:55:55,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 20:55:55,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:55,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:55,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:55,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:55,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:55,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:55,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:55:55,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:55,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:55,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:55,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:55,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:55,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:55,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:55,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:55,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:55,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:55:55,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:55,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-14 20:55:55,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:55,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:55,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:55,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:55,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 20:55:55,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:55,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 20:55:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:55,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:55,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:55,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 20:55:55,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:55,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-14 20:55:55,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:55,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:55,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:55,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:55,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 20:55:55,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:56,081 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:55:56,082 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1833774262] [2020-10-14 20:55:56,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:56,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:55:56,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497236224] [2020-10-14 20:55:56,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:55:56,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:56,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:55:56,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:55:56,084 INFO L87 Difference]: Start difference. First operand 2423 states and 3075 transitions. Second operand 8 states. [2020-10-14 20:55:58,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:58,714 INFO L93 Difference]: Finished difference Result 5658 states and 7434 transitions. [2020-10-14 20:55:58,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:55:58,717 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 216 [2020-10-14 20:55:58,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:58,740 INFO L225 Difference]: With dead ends: 5658 [2020-10-14 20:55:58,740 INFO L226 Difference]: Without dead ends: 3429 [2020-10-14 20:55:58,747 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-14 20:55:58,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3429 states. [2020-10-14 20:55:58,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3429 to 3405. [2020-10-14 20:55:58,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3405 states. [2020-10-14 20:55:58,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3405 states to 3405 states and 4464 transitions. [2020-10-14 20:55:58,850 INFO L78 Accepts]: Start accepts. Automaton has 3405 states and 4464 transitions. Word has length 216 [2020-10-14 20:55:58,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:58,851 INFO L479 AbstractCegarLoop]: Abstraction has 3405 states and 4464 transitions. [2020-10-14 20:55:58,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:55:58,851 INFO L276 IsEmpty]: Start isEmpty. Operand 3405 states and 4464 transitions. [2020-10-14 20:55:58,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-14 20:55:58,855 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:58,855 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:55:58,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 20:55:58,855 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:58,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:58,856 INFO L82 PathProgramCache]: Analyzing trace with hash -2029885100, now seen corresponding path program 1 times [2020-10-14 20:55:58,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:58,856 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1118407719] [2020-10-14 20:55:58,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:58,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:59,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:59,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:01,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:01,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-14 20:56:01,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:56:01,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2619 [2020-10-14 20:56:01,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:01,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:01,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 20:56:01,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:56:01,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-14 20:56:01,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:01,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:56:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:01,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:01,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:01,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:56:01,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:01,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 20:56:01,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:01,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:01,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:56:01,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:01,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:56:01,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:01,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:56:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:01,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:01,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:01,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:01,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:56:01,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:56:01,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-10-14 20:56:01,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:01,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:01,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:56:01,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:01,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 20:56:01,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:01,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 20:56:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:02,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:02,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:02,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 20:56:02,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:02,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-14 20:56:02,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:02,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:02,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 20:56:02,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:56:02,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:56:02,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:02,354 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 107 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 20:56:02,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1118407719] [2020-10-14 20:56:02,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:56:02,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:56:02,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056630161] [2020-10-14 20:56:02,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:56:02,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:56:02,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:56:02,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:56:02,357 INFO L87 Difference]: Start difference. First operand 3405 states and 4464 transitions. Second operand 8 states. [2020-10-14 20:56:05,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:56:05,366 INFO L93 Difference]: Finished difference Result 8206 states and 11106 transitions. [2020-10-14 20:56:05,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 20:56:05,372 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2020-10-14 20:56:05,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:56:05,398 INFO L225 Difference]: With dead ends: 8206 [2020-10-14 20:56:05,399 INFO L226 Difference]: Without dead ends: 4978 [2020-10-14 20:56:05,409 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-14 20:56:05,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4978 states. [2020-10-14 20:56:05,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4978 to 4952. [2020-10-14 20:56:05,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4952 states. [2020-10-14 20:56:05,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4952 states to 4952 states and 6360 transitions. [2020-10-14 20:56:05,544 INFO L78 Accepts]: Start accepts. Automaton has 4952 states and 6360 transitions. Word has length 217 [2020-10-14 20:56:05,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:56:05,545 INFO L479 AbstractCegarLoop]: Abstraction has 4952 states and 6360 transitions. [2020-10-14 20:56:05,545 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:56:05,546 INFO L276 IsEmpty]: Start isEmpty. Operand 4952 states and 6360 transitions. [2020-10-14 20:56:05,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-14 20:56:05,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:56:05,550 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:56:05,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 20:56:05,551 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:56:05,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:56:05,552 INFO L82 PathProgramCache]: Analyzing trace with hash -32008721, now seen corresponding path program 1 times [2020-10-14 20:56:05,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:56:05,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [141875517] [2020-10-14 20:56:05,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:56:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:05,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:05,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:06,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:07,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:07,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-14 20:56:07,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:56:07,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1342 [2020-10-14 20:56:07,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:07,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:07,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:07,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 20:56:07,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 20:56:07,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:07,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:56:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:07,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:07,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:07,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:56:07,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:07,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:56:07,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:07,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:07,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:07,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:07,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:07,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:07,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:56:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:07,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:07,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:07,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:56:07,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:07,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-14 20:56:07,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:07,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:07,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:56:07,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:07,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 20:56:07,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:07,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 20:56:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:07,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:07,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:07,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 20:56:07,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:07,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-14 20:56:07,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:07,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:07,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:07,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:56:07,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 20:56:07,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:07,800 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 113 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:56:07,800 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [141875517] [2020-10-14 20:56:07,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:56:07,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:56:07,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339319514] [2020-10-14 20:56:07,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:56:07,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:56:07,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:56:07,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:56:07,803 INFO L87 Difference]: Start difference. First operand 4952 states and 6360 transitions. Second operand 7 states. [2020-10-14 20:56:11,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:56:11,191 INFO L93 Difference]: Finished difference Result 11274 states and 15712 transitions. [2020-10-14 20:56:11,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:56:11,192 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 218 [2020-10-14 20:56:11,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:56:11,228 INFO L225 Difference]: With dead ends: 11274 [2020-10-14 20:56:11,229 INFO L226 Difference]: Without dead ends: 6516 [2020-10-14 20:56:11,244 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:56:11,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6516 states. [2020-10-14 20:56:11,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6516 to 5957. [2020-10-14 20:56:11,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5957 states. [2020-10-14 20:56:11,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5957 states to 5957 states and 7615 transitions. [2020-10-14 20:56:11,441 INFO L78 Accepts]: Start accepts. Automaton has 5957 states and 7615 transitions. Word has length 218 [2020-10-14 20:56:11,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:56:11,441 INFO L479 AbstractCegarLoop]: Abstraction has 5957 states and 7615 transitions. [2020-10-14 20:56:11,442 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:56:11,442 INFO L276 IsEmpty]: Start isEmpty. Operand 5957 states and 7615 transitions. [2020-10-14 20:56:11,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-14 20:56:11,449 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:56:11,449 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:56:11,450 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 20:56:11,450 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:56:11,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:56:11,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1131270917, now seen corresponding path program 1 times [2020-10-14 20:56:11,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:56:11,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [594335003] [2020-10-14 20:56:11,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:56:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:11,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:11,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:12,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:12,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-14 20:56:12,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:56:12,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 677 [2020-10-14 20:56:12,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:12,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:12,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:12,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 20:56:12,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 20:56:12,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:12,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:56:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:12,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:12,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:12,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:56:12,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:12,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:56:12,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:12,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:12,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:12,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:12,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:12,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:12,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:56:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:12,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:12,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:12,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:56:12,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:12,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 20:56:12,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:12,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:12,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:12,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:12,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:12,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:12,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 20:56:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:12,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:12,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:12,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 20:56:12,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:12,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 20:56:12,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:12,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:12,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:56:12,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:12,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 20:56:12,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:56:12,647 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-14 20:56:12,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [594335003] [2020-10-14 20:56:12,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:56:12,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:56:12,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009994115] [2020-10-14 20:56:12,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:56:12,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:56:12,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:56:12,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:56:12,654 INFO L87 Difference]: Start difference. First operand 5957 states and 7615 transitions. Second operand 5 states. [2020-10-14 20:56:14,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:56:14,800 INFO L93 Difference]: Finished difference Result 13122 states and 17113 transitions. [2020-10-14 20:56:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:56:14,801 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 228 [2020-10-14 20:56:14,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:56:14,832 INFO L225 Difference]: With dead ends: 13122 [2020-10-14 20:56:14,832 INFO L226 Difference]: Without dead ends: 7171 [2020-10-14 20:56:14,849 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:56:14,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7171 states. [2020-10-14 20:56:15,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7171 to 6933. [2020-10-14 20:56:15,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6933 states. [2020-10-14 20:56:15,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6933 states to 6933 states and 8913 transitions. [2020-10-14 20:56:15,022 INFO L78 Accepts]: Start accepts. Automaton has 6933 states and 8913 transitions. Word has length 228 [2020-10-14 20:56:15,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:56:15,023 INFO L479 AbstractCegarLoop]: Abstraction has 6933 states and 8913 transitions. [2020-10-14 20:56:15,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:56:15,023 INFO L276 IsEmpty]: Start isEmpty. Operand 6933 states and 8913 transitions. [2020-10-14 20:56:15,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-14 20:56:15,027 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:56:15,029 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:56:15,029 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 20:56:15,029 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:56:15,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:56:15,030 INFO L82 PathProgramCache]: Analyzing trace with hash -668279828, now seen corresponding path program 1 times [2020-10-14 20:56:15,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:56:15,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [121530581] [2020-10-14 20:56:15,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:56:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:15,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:15,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:15,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:16,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:16,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-14 20:56:16,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:56:16,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1403 [2020-10-14 20:56:16,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:16,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:16,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:16,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 20:56:16,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 20:56:16,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:16,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:56:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:16,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:16,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:16,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:56:16,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:16,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:56:16,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:16,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:16,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:16,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:16,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:16,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:16,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:56:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:16,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:16,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:16,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:56:16,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:16,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-14 20:56:16,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:16,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:16,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:56:16,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:16,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 20:56:16,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:16,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:56:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:16,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:17,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:17,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 20:56:17,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:17,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-14 20:56:17,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:17,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:17,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:17,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:56:17,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-14 20:56:17,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:17,196 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 108 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:56:17,203 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [121530581] [2020-10-14 20:56:17,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:56:17,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:56:17,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22389622] [2020-10-14 20:56:17,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:56:17,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:56:17,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:56:17,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:56:17,206 INFO L87 Difference]: Start difference. First operand 6933 states and 8913 transitions. Second operand 7 states. [2020-10-14 20:56:21,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:56:21,047 INFO L93 Difference]: Finished difference Result 16796 states and 22263 transitions. [2020-10-14 20:56:21,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:56:21,048 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 228 [2020-10-14 20:56:21,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:56:21,098 INFO L225 Difference]: With dead ends: 16796 [2020-10-14 20:56:21,098 INFO L226 Difference]: Without dead ends: 9869 [2020-10-14 20:56:21,123 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:56:21,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9869 states. [2020-10-14 20:56:21,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9869 to 9649. [2020-10-14 20:56:21,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9649 states. [2020-10-14 20:56:21,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9649 states to 9649 states and 12361 transitions. [2020-10-14 20:56:21,360 INFO L78 Accepts]: Start accepts. Automaton has 9649 states and 12361 transitions. Word has length 228 [2020-10-14 20:56:21,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:56:21,361 INFO L479 AbstractCegarLoop]: Abstraction has 9649 states and 12361 transitions. [2020-10-14 20:56:21,361 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:56:21,361 INFO L276 IsEmpty]: Start isEmpty. Operand 9649 states and 12361 transitions. [2020-10-14 20:56:21,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-10-14 20:56:21,365 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:56:21,366 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:56:21,366 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 20:56:21,366 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:56:21,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:56:21,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1268235161, now seen corresponding path program 1 times [2020-10-14 20:56:21,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:56:21,367 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1175122308] [2020-10-14 20:56:21,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:56:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:21,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:21,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:22,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:22,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-14 20:56:22,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:56:22,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1364 [2020-10-14 20:56:22,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:22,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:22,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:22,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 20:56:22,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:56:22,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:22,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:56:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:22,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:22,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:22,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:56:22,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:22,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:56:22,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:22,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:22,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:22,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:22,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:22,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:22,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:56:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:22,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:23,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:23,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:56:23,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:23,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-14 20:56:23,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:23,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:56:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:23,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 20:56:23,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:23,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:56:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:23,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:23,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:23,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:56:23,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:23,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-14 20:56:23,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:23,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:23,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:23,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:56:23,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 20:56:23,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:23,370 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:56:23,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1175122308] [2020-10-14 20:56:23,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:56:23,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:56:23,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765047596] [2020-10-14 20:56:23,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:56:23,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:56:23,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:56:23,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:56:23,372 INFO L87 Difference]: Start difference. First operand 9649 states and 12361 transitions. Second operand 7 states. [2020-10-14 20:56:25,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:56:25,793 INFO L93 Difference]: Finished difference Result 20851 states and 27032 transitions. [2020-10-14 20:56:25,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:56:25,794 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 229 [2020-10-14 20:56:25,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:56:25,831 INFO L225 Difference]: With dead ends: 20851 [2020-10-14 20:56:25,832 INFO L226 Difference]: Without dead ends: 11410 [2020-10-14 20:56:25,857 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:56:25,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11410 states. [2020-10-14 20:56:26,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11410 to 11185. [2020-10-14 20:56:26,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11185 states. [2020-10-14 20:56:26,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11185 states to 11185 states and 14325 transitions. [2020-10-14 20:56:26,093 INFO L78 Accepts]: Start accepts. Automaton has 11185 states and 14325 transitions. Word has length 229 [2020-10-14 20:56:26,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:56:26,094 INFO L479 AbstractCegarLoop]: Abstraction has 11185 states and 14325 transitions. [2020-10-14 20:56:26,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:56:26,094 INFO L276 IsEmpty]: Start isEmpty. Operand 11185 states and 14325 transitions. [2020-10-14 20:56:26,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-14 20:56:26,098 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:56:26,099 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:56:26,099 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 20:56:26,099 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:56:26,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:56:26,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1417358244, now seen corresponding path program 1 times [2020-10-14 20:56:26,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:56:26,100 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1245235035] [2020-10-14 20:56:26,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:56:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:26,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:26,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:27,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:27,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-14 20:56:27,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:56:27,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1419 [2020-10-14 20:56:27,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:27,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:27,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:27,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 20:56:27,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 20:56:27,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:27,824 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-10-14 20:56:27,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:56:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:27,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:27,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:27,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:56:27,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:27,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 20:56:27,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:27,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:27,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:27,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:27,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:27,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:27,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:56:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:27,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:27,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:27,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:56:27,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:27,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-14 20:56:27,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:27,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:27,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:56:27,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:27,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 20:56:27,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:28,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:56:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:28,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:28,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:28,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 20:56:28,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:28,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-14 20:56:28,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:28,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:28,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:28,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:56:28,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:56:28,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:28,296 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 112 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:56:28,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1245235035] [2020-10-14 20:56:28,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:56:28,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:56:28,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225099978] [2020-10-14 20:56:28,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:56:28,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:56:28,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:56:28,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:56:28,299 INFO L87 Difference]: Start difference. First operand 11185 states and 14325 transitions. Second operand 8 states. [2020-10-14 20:56:31,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:56:31,635 INFO L93 Difference]: Finished difference Result 23921 states and 30682 transitions. [2020-10-14 20:56:31,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 20:56:31,636 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 232 [2020-10-14 20:56:31,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:56:31,680 INFO L225 Difference]: With dead ends: 23921 [2020-10-14 20:56:31,680 INFO L226 Difference]: Without dead ends: 13128 [2020-10-14 20:56:31,704 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-14 20:56:31,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13128 states. [2020-10-14 20:56:32,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13128 to 12528. [2020-10-14 20:56:32,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12528 states. [2020-10-14 20:56:32,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12528 states to 12528 states and 15952 transitions. [2020-10-14 20:56:32,095 INFO L78 Accepts]: Start accepts. Automaton has 12528 states and 15952 transitions. Word has length 232 [2020-10-14 20:56:32,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:56:32,095 INFO L479 AbstractCegarLoop]: Abstraction has 12528 states and 15952 transitions. [2020-10-14 20:56:32,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:56:32,096 INFO L276 IsEmpty]: Start isEmpty. Operand 12528 states and 15952 transitions. [2020-10-14 20:56:32,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-10-14 20:56:32,100 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:56:32,101 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:56:32,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 20:56:32,101 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:56:32,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:56:32,102 INFO L82 PathProgramCache]: Analyzing trace with hash 2138370387, now seen corresponding path program 1 times [2020-10-14 20:56:32,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:56:32,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [931524009] [2020-10-14 20:56:32,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:56:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:32,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:32,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:32,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-14 20:56:32,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:32,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 356 [2020-10-14 20:56:32,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:32,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:32,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:32,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-14 20:56:32,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 20:56:32,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:32,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:56:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:32,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:32,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:32,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:56:32,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:32,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:56:32,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:32,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:32,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:32,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:32,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:32,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:32,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:56:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:32,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:32,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:32,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:56:32,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:32,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-14 20:56:32,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:32,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:32,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:56:32,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:32,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-14 20:56:32,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:32,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 20:56:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:32,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:32,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:32,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 20:56:32,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:32,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-14 20:56:32,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:32,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:32,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:32,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:56:32,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 20:56:32,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:33,039 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:56:33,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [931524009] [2020-10-14 20:56:33,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:56:33,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:56:33,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515528959] [2020-10-14 20:56:33,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:56:33,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:56:33,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:56:33,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:56:33,042 INFO L87 Difference]: Start difference. First operand 12528 states and 15952 transitions. Second operand 7 states. [2020-10-14 20:56:35,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:56:35,630 INFO L93 Difference]: Finished difference Result 25631 states and 32575 transitions. [2020-10-14 20:56:35,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:56:35,631 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 248 [2020-10-14 20:56:35,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:56:35,805 INFO L225 Difference]: With dead ends: 25631 [2020-10-14 20:56:35,805 INFO L226 Difference]: Without dead ends: 13495 [2020-10-14 20:56:35,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:56:35,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13495 states. [2020-10-14 20:56:36,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13495 to 13094. [2020-10-14 20:56:36,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13094 states. [2020-10-14 20:56:36,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13094 states to 13094 states and 16564 transitions. [2020-10-14 20:56:36,060 INFO L78 Accepts]: Start accepts. Automaton has 13094 states and 16564 transitions. Word has length 248 [2020-10-14 20:56:36,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:56:36,061 INFO L479 AbstractCegarLoop]: Abstraction has 13094 states and 16564 transitions. [2020-10-14 20:56:36,061 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:56:36,061 INFO L276 IsEmpty]: Start isEmpty. Operand 13094 states and 16564 transitions. [2020-10-14 20:56:36,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-10-14 20:56:36,066 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:56:36,066 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:56:36,067 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 20:56:36,067 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:56:36,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:56:36,067 INFO L82 PathProgramCache]: Analyzing trace with hash 368342624, now seen corresponding path program 1 times [2020-10-14 20:56:36,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:56:36,068 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [583183051] [2020-10-14 20:56:36,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:56:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:36,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:36,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:36,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:36,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 262 [2020-10-14 20:56:36,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:56:36,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 595 [2020-10-14 20:56:36,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:36,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:36,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:36,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 234 [2020-10-14 20:56:36,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 20:56:36,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:36,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:56:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:36,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:36,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:36,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:56:36,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:36,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 20:56:36,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:36,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:36,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:36,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:36,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:36,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:36,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:56:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:36,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:36,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:36,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:56:36,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:36,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 20:56:36,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:36,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:36,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:36,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:36,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:36,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:36,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:56:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:36,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:37,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:37,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-14 20:56:37,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:37,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-14 20:56:37,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:37,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:37,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:56:37,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:37,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 20:56:37,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:37,171 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-10-14 20:56:37,172 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [583183051] [2020-10-14 20:56:37,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:56:37,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:56:37,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156578022] [2020-10-14 20:56:37,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:56:37,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:56:37,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:56:37,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:56:37,175 INFO L87 Difference]: Start difference. First operand 13094 states and 16564 transitions. Second operand 5 states. [2020-10-14 20:56:39,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:56:39,691 INFO L93 Difference]: Finished difference Result 27163 states and 34278 transitions. [2020-10-14 20:56:39,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:56:39,693 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 250 [2020-10-14 20:56:39,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:56:39,733 INFO L225 Difference]: With dead ends: 27163 [2020-10-14 20:56:39,733 INFO L226 Difference]: Without dead ends: 14461 [2020-10-14 20:56:39,763 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:56:39,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14461 states. [2020-10-14 20:56:39,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14461 to 14430. [2020-10-14 20:56:39,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14430 states. [2020-10-14 20:56:40,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14430 states to 14430 states and 18009 transitions. [2020-10-14 20:56:40,028 INFO L78 Accepts]: Start accepts. Automaton has 14430 states and 18009 transitions. Word has length 250 [2020-10-14 20:56:40,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:56:40,029 INFO L479 AbstractCegarLoop]: Abstraction has 14430 states and 18009 transitions. [2020-10-14 20:56:40,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:56:40,029 INFO L276 IsEmpty]: Start isEmpty. Operand 14430 states and 18009 transitions. [2020-10-14 20:56:40,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-14 20:56:40,035 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:56:40,035 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:56:40,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 20:56:40,035 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:56:40,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:56:40,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1566894160, now seen corresponding path program 1 times [2020-10-14 20:56:40,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:56:40,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2017958098] [2020-10-14 20:56:40,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:56:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:40,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:40,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:40,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:40,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-14 20:56:40,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:56:40,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 624 [2020-10-14 20:56:40,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:40,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:40,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:40,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-14 20:56:40,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 20:56:40,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:40,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:56:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:40,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:40,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:40,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:56:40,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:40,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 20:56:40,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:40,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:40,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:40,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:40,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:40,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:56:40,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:56:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:40,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:40,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:40,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:56:40,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:40,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 20:56:40,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:40,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:40,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:40,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:40,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:40,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:40,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 20:56:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:40,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:41,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:41,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 20:56:41,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:41,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-14 20:56:41,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:41,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:41,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:56:41,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:41,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 20:56:41,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:41,082 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-14 20:56:41,083 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2017958098] [2020-10-14 20:56:41,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:56:41,083 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:56:41,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815400001] [2020-10-14 20:56:41,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:56:41,084 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:56:41,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:56:41,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:56:41,085 INFO L87 Difference]: Start difference. First operand 14430 states and 18009 transitions. Second operand 5 states. [2020-10-14 20:56:42,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:56:42,795 INFO L93 Difference]: Finished difference Result 28516 states and 35653 transitions. [2020-10-14 20:56:42,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:56:42,796 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 255 [2020-10-14 20:56:42,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:56:42,833 INFO L225 Difference]: With dead ends: 28516 [2020-10-14 20:56:42,834 INFO L226 Difference]: Without dead ends: 14458 [2020-10-14 20:56:42,853 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:56:42,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14458 states. [2020-10-14 20:56:43,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14458 to 14428. [2020-10-14 20:56:43,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14428 states. [2020-10-14 20:56:43,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14428 states to 14428 states and 17956 transitions. [2020-10-14 20:56:43,109 INFO L78 Accepts]: Start accepts. Automaton has 14428 states and 17956 transitions. Word has length 255 [2020-10-14 20:56:43,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:56:43,110 INFO L479 AbstractCegarLoop]: Abstraction has 14428 states and 17956 transitions. [2020-10-14 20:56:43,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:56:43,110 INFO L276 IsEmpty]: Start isEmpty. Operand 14428 states and 17956 transitions. [2020-10-14 20:56:43,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-10-14 20:56:43,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:56:43,117 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:56:43,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 20:56:43,117 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:56:43,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:56:43,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1807257790, now seen corresponding path program 1 times [2020-10-14 20:56:43,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:56:43,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1555305203] [2020-10-14 20:56:43,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:56:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:43,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:43,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:43,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-10-14 20:56:43,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:43,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 370 [2020-10-14 20:56:43,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:43,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:43,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:43,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-14 20:56:43,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 20:56:43,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:43,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:56:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:43,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:43,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:43,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:56:43,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:43,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:56:43,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:43,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:43,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:43,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:43,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:43,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:43,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:56:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:43,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:43,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:43,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 20:56:43,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:43,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-14 20:56:43,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:43,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:43,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:56:43,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:43,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 20:56:43,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:44,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 20:56:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:44,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:44,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:44,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 20:56:44,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:44,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-10-14 20:56:44,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:44,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:44,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:44,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:56:44,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 20:56:44,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:44,527 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:56:44,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1555305203] [2020-10-14 20:56:44,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:56:44,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:56:44,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740744210] [2020-10-14 20:56:44,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:56:44,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:56:44,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:56:44,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:56:44,528 INFO L87 Difference]: Start difference. First operand 14428 states and 17956 transitions. Second operand 8 states. [2020-10-14 20:56:48,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:56:48,801 INFO L93 Difference]: Finished difference Result 29480 states and 36728 transitions. [2020-10-14 20:56:48,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 20:56:48,806 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 269 [2020-10-14 20:56:48,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:56:48,849 INFO L225 Difference]: With dead ends: 29480 [2020-10-14 20:56:48,850 INFO L226 Difference]: Without dead ends: 15444 [2020-10-14 20:56:48,877 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2020-10-14 20:56:48,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15444 states. [2020-10-14 20:56:49,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15444 to 14807. [2020-10-14 20:56:49,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14807 states. [2020-10-14 20:56:49,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14807 states to 14807 states and 18359 transitions. [2020-10-14 20:56:49,215 INFO L78 Accepts]: Start accepts. Automaton has 14807 states and 18359 transitions. Word has length 269 [2020-10-14 20:56:49,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:56:49,216 INFO L479 AbstractCegarLoop]: Abstraction has 14807 states and 18359 transitions. [2020-10-14 20:56:49,216 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:56:49,216 INFO L276 IsEmpty]: Start isEmpty. Operand 14807 states and 18359 transitions. [2020-10-14 20:56:49,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-10-14 20:56:49,221 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:56:49,221 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:56:49,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 20:56:49,222 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:56:49,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:56:49,222 INFO L82 PathProgramCache]: Analyzing trace with hash -30406256, now seen corresponding path program 1 times [2020-10-14 20:56:49,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:56:49,223 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [305528218] [2020-10-14 20:56:49,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:56:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:49,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:49,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:49,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:49,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 283 [2020-10-14 20:56:49,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:56:49,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 587 [2020-10-14 20:56:49,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:49,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:49,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:49,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 255 [2020-10-14 20:56:49,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 20:56:49,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:49,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:56:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:49,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:49,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:49,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:56:49,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:49,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:56:49,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:49,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:49,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:49,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:49,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:49,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:49,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:56:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:50,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:50,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:50,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-14 20:56:50,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:50,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 20:56:50,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:50,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:50,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:50,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:50,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:50,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:50,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-14 20:56:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:50,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:50,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:50,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 20:56:50,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:50,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 20:56:50,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:50,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:50,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:56:50,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:50,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 20:56:50,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:50,241 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-14 20:56:50,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [305528218] [2020-10-14 20:56:50,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:56:50,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:56:50,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966977161] [2020-10-14 20:56:50,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:56:50,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:56:50,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:56:50,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:56:50,243 INFO L87 Difference]: Start difference. First operand 14807 states and 18359 transitions. Second operand 5 states. [2020-10-14 20:56:52,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:56:52,001 INFO L93 Difference]: Finished difference Result 29273 states and 36362 transitions. [2020-10-14 20:56:52,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:56:52,002 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 271 [2020-10-14 20:56:52,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:56:52,038 INFO L225 Difference]: With dead ends: 29273 [2020-10-14 20:56:52,038 INFO L226 Difference]: Without dead ends: 14837 [2020-10-14 20:56:52,059 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:56:52,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14837 states. [2020-10-14 20:56:52,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14837 to 14807. [2020-10-14 20:56:52,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14807 states. [2020-10-14 20:56:52,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14807 states to 14807 states and 18352 transitions. [2020-10-14 20:56:52,344 INFO L78 Accepts]: Start accepts. Automaton has 14807 states and 18352 transitions. Word has length 271 [2020-10-14 20:56:52,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:56:52,345 INFO L479 AbstractCegarLoop]: Abstraction has 14807 states and 18352 transitions. [2020-10-14 20:56:52,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:56:52,345 INFO L276 IsEmpty]: Start isEmpty. Operand 14807 states and 18352 transitions. [2020-10-14 20:56:52,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-10-14 20:56:52,352 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:56:52,352 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:56:52,353 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 20:56:52,353 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:56:52,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:56:52,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1692013725, now seen corresponding path program 1 times [2020-10-14 20:56:52,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:56:52,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1419808665] [2020-10-14 20:56:52,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:56:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:52,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:52,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:52,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:52,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-14 20:56:52,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:56:52,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 550 [2020-10-14 20:56:52,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:52,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:52,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:52,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 282 [2020-10-14 20:56:52,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 20:56:52,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:53,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:56:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:53,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:53,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:53,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:56:53,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:53,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:56:53,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:53,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:53,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:53,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:53,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:53,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:53,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:56:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:53,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:53,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:53,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:56:53,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:53,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 20:56:53,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:53,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:53,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:53,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:53,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:53,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:53,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:56:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:53,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:53,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:53,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-14 20:56:53,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:53,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 20:56:53,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:53,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:53,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:56:53,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:53,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 20:56:53,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:53,327 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-14 20:56:53,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1419808665] [2020-10-14 20:56:53,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:56:53,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 20:56:53,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926427864] [2020-10-14 20:56:53,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 20:56:53,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:56:53,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 20:56:53,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:56:53,329 INFO L87 Difference]: Start difference. First operand 14807 states and 18352 transitions. Second operand 6 states. [2020-10-14 20:56:56,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:56:56,844 INFO L93 Difference]: Finished difference Result 29854 states and 36970 transitions. [2020-10-14 20:56:56,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 20:56:56,846 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 298 [2020-10-14 20:56:56,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:56:56,878 INFO L225 Difference]: With dead ends: 29854 [2020-10-14 20:56:56,878 INFO L226 Difference]: Without dead ends: 15241 [2020-10-14 20:56:56,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:56:56,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15241 states. [2020-10-14 20:56:57,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15241 to 14815. [2020-10-14 20:56:57,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14815 states. [2020-10-14 20:56:57,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14815 states to 14815 states and 17915 transitions. [2020-10-14 20:56:57,138 INFO L78 Accepts]: Start accepts. Automaton has 14815 states and 17915 transitions. Word has length 298 [2020-10-14 20:56:57,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:56:57,138 INFO L479 AbstractCegarLoop]: Abstraction has 14815 states and 17915 transitions. [2020-10-14 20:56:57,138 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 20:56:57,138 INFO L276 IsEmpty]: Start isEmpty. Operand 14815 states and 17915 transitions. [2020-10-14 20:56:57,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-10-14 20:56:57,148 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:56:57,148 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:56:57,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 20:56:57,149 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:56:57,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:56:57,149 INFO L82 PathProgramCache]: Analyzing trace with hash 363433634, now seen corresponding path program 1 times [2020-10-14 20:56:57,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:56:57,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [518862364] [2020-10-14 20:56:57,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:56:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:57,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:57,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:57,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 346 [2020-10-14 20:56:57,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:57,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 370 [2020-10-14 20:56:57,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:57,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:57,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:57,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 317 [2020-10-14 20:56:57,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 20:56:57,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:57,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:56:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:57,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:57,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:57,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:56:57,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:57,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 20:56:57,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:57,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:57,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:57,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:57,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:57,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:57,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:56:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:57,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:57,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:57,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:56:57,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:57,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 20:56:57,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:57,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:57,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:57,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:57,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:57,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:57,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:56:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:57,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:57,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:57,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-14 20:56:57,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:57,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-14 20:56:57,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:57,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:57,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:56:57,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:57,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-14 20:56:57,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:57,929 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-14 20:56:57,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [518862364] [2020-10-14 20:56:57,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:56:57,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:56:57,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79493509] [2020-10-14 20:56:57,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:56:57,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:56:57,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:56:57,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:56:57,932 INFO L87 Difference]: Start difference. First operand 14815 states and 17915 transitions. Second operand 5 states. [2020-10-14 20:57:00,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:57:00,287 INFO L93 Difference]: Finished difference Result 32512 states and 39812 transitions. [2020-10-14 20:57:00,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:57:00,288 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 334 [2020-10-14 20:57:00,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:57:00,319 INFO L225 Difference]: With dead ends: 32512 [2020-10-14 20:57:00,319 INFO L226 Difference]: Without dead ends: 18089 [2020-10-14 20:57:00,334 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:57:00,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18089 states. [2020-10-14 20:57:00,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18089 to 17114. [2020-10-14 20:57:00,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17114 states. [2020-10-14 20:57:00,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17114 states to 17114 states and 20708 transitions. [2020-10-14 20:57:00,622 INFO L78 Accepts]: Start accepts. Automaton has 17114 states and 20708 transitions. Word has length 334 [2020-10-14 20:57:00,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:57:00,623 INFO L479 AbstractCegarLoop]: Abstraction has 17114 states and 20708 transitions. [2020-10-14 20:57:00,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:57:00,623 INFO L276 IsEmpty]: Start isEmpty. Operand 17114 states and 20708 transitions. [2020-10-14 20:57:00,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-10-14 20:57:00,638 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:57:00,640 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:57:00,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 20:57:00,640 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:57:00,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:57:00,641 INFO L82 PathProgramCache]: Analyzing trace with hash 946883955, now seen corresponding path program 1 times [2020-10-14 20:57:00,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:57:00,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1295656325] [2020-10-14 20:57:00,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:57:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:00,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:00,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:01,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:01,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:02,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:02,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 374 [2020-10-14 20:57:02,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:57:02,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1319 [2020-10-14 20:57:02,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:02,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:02,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 20:57:02,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 20:57:02,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 217 [2020-10-14 20:57:02,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:02,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:57:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:02,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:02,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:02,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:57:02,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:02,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 20:57:02,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:02,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:02,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:57:02,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:02,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:57:02,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:02,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:57:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:02,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:02,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:02,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:57:02,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:02,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-14 20:57:02,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:02,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:02,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:57:02,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:02,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 20:57:02,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:02,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:57:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:02,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:02,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:02,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:02,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-14 20:57:02,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:57:02,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-14 20:57:02,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:02,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:02,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:57:02,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:02,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-14 20:57:02,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:02,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-10-14 20:57:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:02,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:02,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:02,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 20:57:02,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:02,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-14 20:57:02,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:02,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:02,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 20:57:02,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:57:02,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 20:57:02,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:02,835 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 233 proven. 18 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-10-14 20:57:02,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1295656325] [2020-10-14 20:57:02,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:57:02,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 20:57:02,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621750023] [2020-10-14 20:57:02,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 20:57:02,838 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:57:02,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 20:57:02,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-14 20:57:02,839 INFO L87 Difference]: Start difference. First operand 17114 states and 20708 transitions. Second operand 9 states. [2020-10-14 20:57:08,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:57:08,151 INFO L93 Difference]: Finished difference Result 41012 states and 51535 transitions. [2020-10-14 20:57:08,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 20:57:08,152 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 360 [2020-10-14 20:57:08,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:57:08,224 INFO L225 Difference]: With dead ends: 41012 [2020-10-14 20:57:08,224 INFO L226 Difference]: Without dead ends: 24254 [2020-10-14 20:57:08,255 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2020-10-14 20:57:08,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24254 states. [2020-10-14 20:57:08,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24254 to 23732. [2020-10-14 20:57:08,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23732 states. [2020-10-14 20:57:08,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23732 states to 23732 states and 28086 transitions. [2020-10-14 20:57:08,958 INFO L78 Accepts]: Start accepts. Automaton has 23732 states and 28086 transitions. Word has length 360 [2020-10-14 20:57:08,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:57:08,958 INFO L479 AbstractCegarLoop]: Abstraction has 23732 states and 28086 transitions. [2020-10-14 20:57:08,958 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 20:57:08,959 INFO L276 IsEmpty]: Start isEmpty. Operand 23732 states and 28086 transitions. [2020-10-14 20:57:08,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2020-10-14 20:57:08,980 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:57:08,981 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:57:08,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 20:57:08,981 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:57:08,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:57:08,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1775348941, now seen corresponding path program 1 times [2020-10-14 20:57:08,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:57:08,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [7361048] [2020-10-14 20:57:08,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:57:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:09,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:09,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:10,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:10,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:10,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 421 [2020-10-14 20:57:10,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:57:10,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1773 [2020-10-14 20:57:10,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:10,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:10,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:57:10,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 20:57:10,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 20:57:10,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:10,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:57:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:10,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:10,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:10,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:57:10,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:10,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:57:10,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:10,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:10,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:57:10,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:10,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:57:10,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:10,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:57:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:10,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:10,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:10,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:57:10,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:10,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-14 20:57:10,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:10,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:10,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:57:10,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:10,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 20:57:10,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:11,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:57:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:11,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:11,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:11,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 20:57:11,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:11,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 20:57:11,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:11,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:11,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:57:11,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:57:11,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 20:57:11,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:11,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-14 20:57:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:11,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:11,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:11,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 20:57:11,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:11,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 20:57:11,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:11,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:11,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:57:11,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-14 20:57:11,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:57:11,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:11,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2020-10-14 20:57:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:11,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:11,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:11,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 20:57:11,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:11,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 20:57:11,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:11,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:11,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:57:11,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-14 20:57:11,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:57:11,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:11,513 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 172 proven. 148 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2020-10-14 20:57:11,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [7361048] [2020-10-14 20:57:11,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:57:11,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:57:11,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41742316] [2020-10-14 20:57:11,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:57:11,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:57:11,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:57:11,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:57:11,517 INFO L87 Difference]: Start difference. First operand 23732 states and 28086 transitions. Second operand 7 states. [2020-10-14 20:57:15,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:57:15,022 INFO L93 Difference]: Finished difference Result 53900 states and 63766 transitions. [2020-10-14 20:57:15,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:57:15,023 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 405 [2020-10-14 20:57:15,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:57:15,075 INFO L225 Difference]: With dead ends: 53900 [2020-10-14 20:57:15,076 INFO L226 Difference]: Without dead ends: 30560 [2020-10-14 20:57:15,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:57:15,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30560 states. [2020-10-14 20:57:15,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30560 to 29590. [2020-10-14 20:57:15,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29590 states. [2020-10-14 20:57:15,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29590 states to 29590 states and 34588 transitions. [2020-10-14 20:57:15,573 INFO L78 Accepts]: Start accepts. Automaton has 29590 states and 34588 transitions. Word has length 405 [2020-10-14 20:57:15,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:57:15,573 INFO L479 AbstractCegarLoop]: Abstraction has 29590 states and 34588 transitions. [2020-10-14 20:57:15,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:57:15,573 INFO L276 IsEmpty]: Start isEmpty. Operand 29590 states and 34588 transitions. [2020-10-14 20:57:15,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2020-10-14 20:57:15,591 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:57:15,594 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:57:15,594 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 20:57:15,594 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:57:15,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:57:15,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1887939268, now seen corresponding path program 1 times [2020-10-14 20:57:15,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:57:15,595 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1362541203] [2020-10-14 20:57:15,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:57:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:15,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:15,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:16,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:17,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:17,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:17,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 425 [2020-10-14 20:57:17,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:57:17,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1610 [2020-10-14 20:57:17,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:17,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:17,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:57:17,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 20:57:17,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 186 [2020-10-14 20:57:17,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:17,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:57:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:17,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:17,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:17,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:57:17,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:17,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:57:17,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:17,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:17,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:57:17,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:17,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:57:17,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:17,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:57:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:17,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:17,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:17,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:57:17,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:17,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 20:57:17,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:17,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:17,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:57:17,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:17,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:57:17,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:17,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 20:57:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:17,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:17,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:17,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 20:57:17,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:17,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 20:57:17,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:17,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:17,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:57:17,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:17,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 20:57:17,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:17,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 20:57:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:17,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:17,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:17,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:17,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:57:17,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:57:17,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-14 20:57:17,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:17,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:17,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:57:17,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:57:17,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 20:57:17,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:17,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-10-14 20:57:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:17,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:17,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:17,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 20:57:17,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:17,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-14 20:57:17,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:17,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:17,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:57:17,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:57:17,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 20:57:17,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:17,951 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 428 proven. 6 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2020-10-14 20:57:17,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1362541203] [2020-10-14 20:57:17,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:57:17,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:57:17,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970464497] [2020-10-14 20:57:17,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:57:17,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:57:17,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:57:17,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:57:17,953 INFO L87 Difference]: Start difference. First operand 29590 states and 34588 transitions. Second operand 8 states. [2020-10-14 20:57:22,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:57:22,348 INFO L93 Difference]: Finished difference Result 59018 states and 69033 transitions. [2020-10-14 20:57:22,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 20:57:22,349 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 409 [2020-10-14 20:57:22,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:57:22,406 INFO L225 Difference]: With dead ends: 59018 [2020-10-14 20:57:22,406 INFO L226 Difference]: Without dead ends: 31702 [2020-10-14 20:57:22,435 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-14 20:57:22,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31702 states. [2020-10-14 20:57:22,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31702 to 31480. [2020-10-14 20:57:22,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31480 states. [2020-10-14 20:57:22,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31480 states to 31480 states and 36646 transitions. [2020-10-14 20:57:22,924 INFO L78 Accepts]: Start accepts. Automaton has 31480 states and 36646 transitions. Word has length 409 [2020-10-14 20:57:22,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:57:22,924 INFO L479 AbstractCegarLoop]: Abstraction has 31480 states and 36646 transitions. [2020-10-14 20:57:22,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:57:22,925 INFO L276 IsEmpty]: Start isEmpty. Operand 31480 states and 36646 transitions. [2020-10-14 20:57:22,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2020-10-14 20:57:22,946 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:57:22,947 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:57:22,947 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 20:57:22,948 INFO L427 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:57:22,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:57:22,949 INFO L82 PathProgramCache]: Analyzing trace with hash -941230052, now seen corresponding path program 1 times [2020-10-14 20:57:22,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:57:22,951 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [630611375] [2020-10-14 20:57:22,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:57:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:23,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:23,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:25,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:25,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:25,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 427 [2020-10-14 20:57:25,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:57:25,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2947 [2020-10-14 20:57:25,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:25,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:25,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 20:57:25,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-14 20:57:25,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 269 [2020-10-14 20:57:25,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:26,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:57:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:26,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:26,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:26,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:57:26,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:26,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:57:26,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:26,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:26,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:57:26,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:26,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:57:26,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:26,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:57:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:26,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:26,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:26,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 20:57:26,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:26,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 20:57:26,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:26,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:26,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:57:26,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:26,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 20:57:26,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:26,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 20:57:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:26,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:26,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:26,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 20:57:26,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:26,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-14 20:57:26,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:26,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:26,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:57:26,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:57:26,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-14 20:57:26,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:26,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2020-10-14 20:57:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:26,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:26,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:26,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 20:57:26,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:26,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-14 20:57:26,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:26,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:26,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 20:57:26,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:57:26,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 20:57:26,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:26,714 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 258 proven. 43 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-10-14 20:57:26,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [630611375] [2020-10-14 20:57:26,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:57:26,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:57:26,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451812286] [2020-10-14 20:57:26,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:57:26,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:57:26,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:57:26,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:57:26,716 INFO L87 Difference]: Start difference. First operand 31480 states and 36646 transitions. Second operand 8 states. [2020-10-14 20:57:31,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:57:31,467 INFO L93 Difference]: Finished difference Result 65773 states and 76974 transitions. [2020-10-14 20:57:31,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 20:57:32,492 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 413 [2020-10-14 20:57:32,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:57:32,560 INFO L225 Difference]: With dead ends: 65773 [2020-10-14 20:57:32,561 INFO L226 Difference]: Without dead ends: 39403 [2020-10-14 20:57:32,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-14 20:57:32,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39403 states. [2020-10-14 20:57:33,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39403 to 38539. [2020-10-14 20:57:33,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38539 states. [2020-10-14 20:57:33,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38539 states to 38539 states and 44360 transitions. [2020-10-14 20:57:33,112 INFO L78 Accepts]: Start accepts. Automaton has 38539 states and 44360 transitions. Word has length 413 [2020-10-14 20:57:33,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:57:33,113 INFO L479 AbstractCegarLoop]: Abstraction has 38539 states and 44360 transitions. [2020-10-14 20:57:33,113 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:57:33,113 INFO L276 IsEmpty]: Start isEmpty. Operand 38539 states and 44360 transitions. [2020-10-14 20:57:33,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2020-10-14 20:57:33,162 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:57:33,162 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:57:33,163 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 20:57:33,163 INFO L427 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:57:33,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:57:33,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1978478748, now seen corresponding path program 1 times [2020-10-14 20:57:33,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:57:33,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [247347817] [2020-10-14 20:57:33,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:57:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:33,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:33,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:33,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:37,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:38,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:38,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:38,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 562 [2020-10-14 20:57:38,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 20:57:38,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5065 [2020-10-14 20:57:38,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:38,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:38,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 20:57:38,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:57:38,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 288 [2020-10-14 20:57:38,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:38,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:57:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:38,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:38,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:38,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:57:38,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:38,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 20:57:38,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:38,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:38,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:57:38,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:38,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:57:38,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:38,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:57:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:38,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:38,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:38,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-14 20:57:38,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:38,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-10-14 20:57:38,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:38,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:38,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:57:38,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:57:38,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-14 20:57:38,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:38,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-14 20:57:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:38,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:39,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:39,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 20:57:39,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:39,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-14 20:57:39,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:39,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:39,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:57:39,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:57:39,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 20:57:39,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:39,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2020-10-14 20:57:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:39,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:39,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:39,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 20:57:39,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:39,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-14 20:57:39,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:39,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:39,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:57:39,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-10-14 20:57:39,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:57:39,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:39,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-10-14 20:57:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:39,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:39,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:39,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 20:57:39,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:39,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 20:57:39,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:39,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:39,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:57:39,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-14 20:57:39,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:57:39,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:39,717 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 93 proven. 423 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2020-10-14 20:57:39,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [247347817] [2020-10-14 20:57:39,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:57:39,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:57:39,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46784214] [2020-10-14 20:57:39,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:57:39,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:57:39,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:57:39,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:57:39,719 INFO L87 Difference]: Start difference. First operand 38539 states and 44360 transitions. Second operand 7 states. [2020-10-14 20:57:42,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:57:42,885 INFO L93 Difference]: Finished difference Result 74451 states and 85743 transitions. [2020-10-14 20:57:42,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:57:42,887 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 546 [2020-10-14 20:57:42,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:57:42,955 INFO L225 Difference]: With dead ends: 74451 [2020-10-14 20:57:42,956 INFO L226 Difference]: Without dead ends: 38376 [2020-10-14 20:57:42,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:57:43,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38376 states. [2020-10-14 20:57:43,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38376 to 38151. [2020-10-14 20:57:43,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38151 states. [2020-10-14 20:57:43,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38151 states to 38151 states and 43848 transitions. [2020-10-14 20:57:43,783 INFO L78 Accepts]: Start accepts. Automaton has 38151 states and 43848 transitions. Word has length 546 [2020-10-14 20:57:43,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:57:43,784 INFO L479 AbstractCegarLoop]: Abstraction has 38151 states and 43848 transitions. [2020-10-14 20:57:43,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:57:43,784 INFO L276 IsEmpty]: Start isEmpty. Operand 38151 states and 43848 transitions. [2020-10-14 20:57:43,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2020-10-14 20:57:43,843 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:57:43,844 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:57:43,844 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 20:57:43,846 INFO L427 AbstractCegarLoop]: === Iteration 24 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:57:43,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:57:43,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1746231332, now seen corresponding path program 1 times [2020-10-14 20:57:43,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:57:43,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1786463450] [2020-10-14 20:57:43,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:57:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:44,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:44,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:44,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:45,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:48,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:49,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:49,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 639 [2020-10-14 20:57:49,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 20:57:49,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-14 20:57:49,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:49,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:49,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 20:57:49,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 369 [2020-10-14 20:57:49,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 269 [2020-10-14 20:57:49,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:49,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:57:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:49,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:49,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:49,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:57:49,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:49,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 20:57:49,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:49,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:49,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:57:49,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:49,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:57:49,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:49,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:57:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:49,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:49,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:49,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:57:49,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:49,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 20:57:49,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:49,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:49,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:57:49,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:49,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:57:49,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:49,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 20:57:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:49,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:49,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:49,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 20:57:49,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:49,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 20:57:49,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:49,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:49,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:57:49,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:49,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:57:49,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:49,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-14 20:57:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:49,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:49,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:49,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 20:57:49,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:49,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 20:57:49,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:49,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:49,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:57:49,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:49,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 20:57:49,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:49,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-10-14 20:57:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:49,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:49,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:49,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 20:57:49,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:49,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-14 20:57:49,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:49,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:49,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:57:49,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:57:49,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-14 20:57:49,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:49,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2020-10-14 20:57:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:49,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:49,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:49,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 20:57:49,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:49,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-14 20:57:49,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:49,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:49,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 20:57:49,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:57:49,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 20:57:49,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:50,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 786 proven. 45 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2020-10-14 20:57:50,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1786463450] [2020-10-14 20:57:50,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:57:50,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 20:57:50,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762134966] [2020-10-14 20:57:50,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 20:57:50,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:57:50,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 20:57:50,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-14 20:57:50,537 INFO L87 Difference]: Start difference. First operand 38151 states and 43848 transitions. Second operand 9 states. [2020-10-14 20:57:55,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:57:55,862 INFO L93 Difference]: Finished difference Result 71234 states and 82052 transitions. [2020-10-14 20:57:55,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 20:57:55,863 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 621 [2020-10-14 20:57:55,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:57:55,864 INFO L225 Difference]: With dead ends: 71234 [2020-10-14 20:57:55,864 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 20:57:55,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2020-10-14 20:57:55,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 20:57:55,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 20:57:55,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 20:57:55,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 20:57:55,923 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 621 [2020-10-14 20:57:55,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:57:55,923 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 20:57:55,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 20:57:55,923 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 20:57:55,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 20:57:55,924 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 20:57:55,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 20:58:00,488 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 796 DAG size of output: 443 [2020-10-14 20:58:01,567 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 796 DAG size of output: 443 [2020-10-14 20:58:01,733 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 33 [2020-10-14 20:58:07,663 WARN L193 SmtUtils]: Spent 5.87 s on a formula simplification. DAG size of input: 743 DAG size of output: 101 [2020-10-14 20:58:10,572 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 409 DAG size of output: 81 [2020-10-14 20:58:13,330 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 409 DAG size of output: 81 [2020-10-14 20:58:13,335 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:58:13,336 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a3~0 |old(~a3~0)|)) [2020-10-14 20:58:13,336 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:58:13,336 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-14 20:58:13,336 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-14 20:58:13,337 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-14 20:58:13,337 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,337 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,337 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,337 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,337 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,338 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,338 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,338 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-14 20:58:13,338 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-14 20:58:13,338 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-14 20:58:13,338 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,338 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,338 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,339 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,339 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,339 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,339 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,339 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,339 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,339 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-14 20:58:13,339 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-14 20:58:13,339 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-14 20:58:13,340 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,340 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,340 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,340 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,340 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,340 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,340 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,340 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,340 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,341 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-14 20:58:13,341 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-14 20:58:13,341 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-14 20:58:13,341 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-10-14 20:58:13,341 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-14 20:58:13,341 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-10-14 20:58:13,341 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-10-14 20:58:13,341 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,341 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,341 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,342 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,342 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,342 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,342 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,342 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,342 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,342 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,342 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-14 20:58:13,342 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-14 20:58:13,342 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-14 20:58:13,342 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,342 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,342 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,342 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,343 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,343 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-14 20:58:13,343 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-14 20:58:13,343 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-14 20:58:13,343 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,343 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,343 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,343 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,343 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,343 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-10-14 20:58:13,343 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-10-14 20:58:13,343 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,343 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,343 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,344 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,344 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,344 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,344 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-10-14 20:58:13,344 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-10-14 20:58:13,344 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,344 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,344 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-14 20:58:13,344 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-14 20:58:13,344 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-14 20:58:13,344 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,345 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,345 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,345 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,345 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,345 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,345 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,345 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-14 20:58:13,345 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-14 20:58:13,345 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-14 20:58:13,345 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-10-14 20:58:13,345 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-10-14 20:58:13,345 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-10-14 20:58:13,345 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-10-14 20:58:13,345 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,346 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,346 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-10-14 20:58:13,346 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-10-14 20:58:13,346 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,346 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,346 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,346 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,346 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse9 (= ~a23~0 |old(~a23~0)|)) (.cse10 (= ~a29~0 |old(~a29~0)|)) (.cse11 (= ~a4~0 |old(~a4~0)|)) (.cse12 (= |old(~a4~0)| 1))) (let ((.cse7 (not (= 11 |old(~a25~0)|))) (.cse4 (= 10 |old(~a25~0)|)) (.cse5 (not (<= |old(~a29~0)| 599998))) (.cse0 (not .cse12)) (.cse1 (not (= ~a8~0 15))) (.cse8 (not (<= 214883 |old(~a29~0)|))) (.cse3 (not (= ~a3~0 1))) (.cse6 (not (<= |old(~a29~0)| 274))) (.cse2 (and (= ~a25~0 |old(~a25~0)|) .cse9 .cse10 .cse11))) (and (or .cse0 .cse1 (not (<= 0 (+ |old(~a23~0)| 42))) (not (<= |old(~a23~0)| 137)) .cse2 (not (= 9 |old(~a25~0)|)) .cse3) (or .cse0 .cse4 .cse5 .cse1 .cse2 .cse3) (or .cse6 .cse2 .cse7) (or .cse5 (not .cse4) .cse2 .cse8) (or .cse0 .cse5 .cse1 (not (<= 307 |old(~a23~0)|)) .cse2 .cse3) (or .cse0 (not (<= 0 (+ |old(~a23~0)| 4))) .cse1 .cse2 .cse7 (not (<= |old(~a23~0)| 85)) .cse3) (or (and .cse9 .cse10 (= ~a25~0 12) .cse11) .cse5 .cse12 (not (= 12 |old(~a25~0)|))) (or .cse4 .cse5 .cse12 (not (<= 246 |old(~a29~0)|)) .cse2 (not (<= |old(~a25~0)| 12))) (or (not (<= 180 |old(~a23~0)|)) (not (<= |old(~a23~0)| 262)) .cse0 .cse1 (not (= 13 |old(~a25~0)|)) .cse2 .cse3) (or .cse0 (not (<= |old(~a29~0)| 599999)) .cse1 .cse2 .cse8 .cse3) (or (not (<= |old(~a29~0)| 244)) .cse2) (or (not (<= 13 |old(~a25~0)|)) .cse6 .cse2)))) [2020-10-14 20:58:13,347 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,347 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-14 20:58:13,347 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-14 20:58:13,347 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-14 20:58:13,347 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,347 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,347 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,347 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,348 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,348 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,348 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-14 20:58:13,348 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-14 20:58:13,348 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-14 20:58:13,348 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,348 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,348 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,348 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,348 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,348 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,348 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,348 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,348 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-14 20:58:13,348 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-14 20:58:13,349 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-14 20:58:13,349 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,349 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,349 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,349 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,349 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,349 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,349 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,349 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,349 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,349 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,349 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,349 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-10-14 20:58:13,349 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-10-14 20:58:13,349 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-14 20:58:13,349 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-14 20:58:13,350 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-14 20:58:13,350 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,350 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,350 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,350 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,350 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,350 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,350 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,350 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-14 20:58:13,350 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-14 20:58:13,350 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-14 20:58:13,350 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,350 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,350 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,350 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-10-14 20:58:13,350 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-10-14 20:58:13,351 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,351 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,351 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,351 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,351 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,351 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 72) no Hoare annotation was computed. [2020-10-14 20:58:13,351 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-14 20:58:13,351 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-14 20:58:13,351 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,352 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,352 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-10-14 20:58:13,352 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-10-14 20:58:13,352 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,352 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,352 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,352 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,352 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,352 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,352 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-14 20:58:13,353 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-14 20:58:13,353 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-10-14 20:58:13,353 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-10-14 20:58:13,353 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,353 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,353 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,353 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,353 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,353 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,353 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,354 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,354 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-14 20:58:13,354 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-14 20:58:13,354 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-10-14 20:58:13,354 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-10-14 20:58:13,354 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-10-14 20:58:13,354 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-10-14 20:58:13,354 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,354 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,354 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,354 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,355 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,355 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,355 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,355 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-14 20:58:13,355 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-14 20:58:13,355 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,355 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,355 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,355 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,355 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,355 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,355 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,355 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-14 20:58:13,356 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-14 20:58:13,356 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,356 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,356 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,356 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,356 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,356 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,356 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,356 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-14 20:58:13,356 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,356 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,356 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,356 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-14 20:58:13,356 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-14 20:58:13,356 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-14 20:58:13,357 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,357 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-10-14 20:58:13,357 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,357 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-10-14 20:58:13,357 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,357 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,357 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,357 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,357 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,357 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,357 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-14 20:58:13,357 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-14 20:58:13,357 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-14 20:58:13,357 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,357 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,358 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,358 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,358 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,358 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,358 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,358 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,358 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,358 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,358 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-14 20:58:13,359 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-14 20:58:13,359 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-14 20:58:13,359 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,359 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-10-14 20:58:13,359 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-10-14 20:58:13,359 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,359 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,359 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,360 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,360 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,360 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,360 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-14 20:58:13,360 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-14 20:58:13,360 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-14 20:58:13,360 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,360 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,360 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,360 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,361 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-10-14 20:58:13,361 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-10-14 20:58:13,361 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,361 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,361 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-10-14 20:58:13,361 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,361 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,361 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:58:13,361 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:58:13,361 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 312 ~a23~0) (= ~a25~0 10) (<= ~a29~0 130) (= ~a8~0 15) (= ~a4~0 1) (= ~a3~0 1)) [2020-10-14 20:58:13,362 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 20:58:13,362 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:58:13,362 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= |old(~a4~0)| 1)) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 1)) (not (= ~a8~0 15)) (not (= 10 |old(~a25~0)|)) (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 130)) (not (= ~a3~0 1))) [2020-10-14 20:58:13,362 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 20:58:13,362 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse3 (= ~a25~0 10))) (let ((.cse4 (<= 214883 ~a29~0)) (.cse5 (= ~a25~0 11)) (.cse1 (not .cse3)) (.cse0 (<= ~a29~0 599998)) (.cse2 (= ~a4~0 1))) (or (and (= ~a25~0 12) .cse0) (not (= ~a8~0 15)) (<= ~a29~0 244) (and .cse1 (<= ~a25~0 12) .cse0 (<= 246 ~a29~0)) (not (<= 312 |old(~a23~0)|)) (not (= ~a3~0 1)) (and (= ~a25~0 13) (<= 180 ~a23~0) (<= ~a23~0 262) .cse2) (not (= |old(~a4~0)| 1)) (and (<= 307 ~a23~0) .cse0 .cse2) (and (= ~a25~0 9) (<= ~a23~0 137) (<= 0 (+ ~a23~0 42)) .cse2) (and (<= ~a29~0 274) (<= 13 ~a25~0)) (and .cse3 .cse4 .cse0) (and .cse5 .cse0) (and (<= ~a29~0 599999) .cse4 .cse2) (and .cse5 (<= ~a23~0 85) .cse2 (<= 0 (+ ~a23~0 4))) (not (= 10 |old(~a25~0)|)) (not (<= |old(~a29~0)| 130)) (and .cse1 .cse0 .cse2)))) [2020-10-14 20:58:13,362 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-10-14 20:58:13,362 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-10-14 20:58:13,362 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse3 (= ~a25~0 10))) (let ((.cse4 (<= 214883 ~a29~0)) (.cse5 (= ~a25~0 11)) (.cse1 (not .cse3)) (.cse0 (<= ~a29~0 599998)) (.cse2 (= ~a4~0 1))) (or (and (= ~a25~0 12) .cse0) (not (= ~a8~0 15)) (<= ~a29~0 244) (and .cse1 (<= ~a25~0 12) .cse0 (<= 246 ~a29~0)) (not (<= 312 |old(~a23~0)|)) (not (= ~a3~0 1)) (and (= ~a25~0 13) (<= 180 ~a23~0) (<= ~a23~0 262) .cse2) (not (= |old(~a4~0)| 1)) (and (<= 307 ~a23~0) .cse0 .cse2) (and (= ~a25~0 9) (<= ~a23~0 137) (<= 0 (+ ~a23~0 42)) .cse2) (and (<= ~a29~0 274) (<= 13 ~a25~0)) (and .cse3 .cse4 .cse0) (and .cse5 .cse0) (and (<= ~a29~0 599999) .cse4 .cse2) (and .cse5 (<= ~a23~0 85) .cse2 (<= 0 (+ ~a23~0 4))) (not (= 10 |old(~a25~0)|)) (not (<= |old(~a29~0)| 130)) (and .cse1 .cse0 .cse2)))) [2020-10-14 20:58:13,362 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 20:58:13,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 08:58:13 BoogieIcfgContainer [2020-10-14 20:58:13,390 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 20:58:13,392 INFO L168 Benchmark]: Toolchain (without parser) took 156929.47 ms. Allocated memory was 147.3 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 99.6 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2020-10-14 20:58:13,392 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 147.3 MB. Free memory was 120.6 MB in the beginning and 120.2 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-10-14 20:58:13,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 998.66 ms. Allocated memory was 147.3 MB in the beginning and 210.2 MB in the end (delta: 62.9 MB). Free memory was 99.6 MB in the beginning and 164.7 MB in the end (delta: -65.1 MB). Peak memory consumption was 44.5 MB. Max. memory is 7.1 GB. [2020-10-14 20:58:13,393 INFO L168 Benchmark]: Boogie Preprocessor took 204.65 ms. Allocated memory is still 210.2 MB. Free memory was 164.7 MB in the beginning and 156.5 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2020-10-14 20:58:13,394 INFO L168 Benchmark]: RCFGBuilder took 1883.67 ms. Allocated memory was 210.2 MB in the beginning and 240.1 MB in the end (delta: 29.9 MB). Free memory was 156.5 MB in the beginning and 97.6 MB in the end (delta: 58.9 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. [2020-10-14 20:58:13,394 INFO L168 Benchmark]: TraceAbstraction took 153836.69 ms. Allocated memory was 240.1 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 97.6 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2020-10-14 20:58:13,397 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 147.3 MB. Free memory was 120.6 MB in the beginning and 120.2 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 998.66 ms. Allocated memory was 147.3 MB in the beginning and 210.2 MB in the end (delta: 62.9 MB). Free memory was 99.6 MB in the beginning and 164.7 MB in the end (delta: -65.1 MB). Peak memory consumption was 44.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 204.65 ms. Allocated memory is still 210.2 MB. Free memory was 164.7 MB in the beginning and 156.5 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1883.67 ms. Allocated memory was 210.2 MB in the beginning and 240.1 MB in the end (delta: 29.9 MB). Free memory was 156.5 MB in the beginning and 97.6 MB in the end (delta: 58.9 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 153836.69 ms. Allocated memory was 240.1 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 97.6 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 72]: 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 == 12 && a29 <= 599998) || !(a8 == 15)) || a29 <= 244) || (((!(a25 == 10) && a25 <= 12) && a29 <= 599998) && 246 <= a29)) || !(312 <= \old(a23))) || !(a3 == 1)) || (((a25 == 13 && 180 <= a23) && a23 <= 262) && a4 == 1)) || !(\old(a4) == 1)) || ((307 <= a23 && a29 <= 599998) && a4 == 1)) || (((a25 == 9 && a23 <= 137) && 0 <= a23 + 42) && a4 == 1)) || (a29 <= 274 && 13 <= a25)) || ((a25 == 10 && 214883 <= a29) && a29 <= 599998)) || (a25 == 11 && a29 <= 599998)) || ((a29 <= 599999 && 214883 <= a29) && a4 == 1)) || (((a25 == 11 && a23 <= 85) && a4 == 1) && 0 <= a23 + 4)) || !(10 == \old(a25))) || !(\old(a29) <= 130)) || ((!(a25 == 10) && a29 <= 599998) && a4 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 136.3s, OverallIterations: 24, TraceHistogramMax: 6, AutomataDifference: 77.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1170 SDtfs, 17356 SDslu, 2061 SDs, 0 SdLazy, 36833 SolverSat, 4769 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 48.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 454 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38539occurred in iteration=22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.6s AutomataMinimizationTime, 24 MinimizatonAttempts, 7318 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 1788 PreInvPairs, 2210 NumberOfFragments, 754 HoareAnnotationTreeSize, 1788 FomulaSimplifications, 160936 FormulaSimplificationTreeSizeReduction, 5.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 58878 FormulaSimplificationTreeSizeReductionInter, 11.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 47.0s InterpolantComputationTime, 6637 NumberOfCodeBlocks, 6637 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 6613 ConstructedInterpolants, 0 QuantifiedInterpolants, 6219045 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 3 PerfectInterpolantSequences, 4968/5682 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...