/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 --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:28:21,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:28:21,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:28:21,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:28:21,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:28:21,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:28:21,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:28:21,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:28:21,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:28:21,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:28:21,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:28:21,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:28:21,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:28:21,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:28:21,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:28:21,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:28:21,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:28:21,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:28:21,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:28:21,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:28:21,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:28:21,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:28:21,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:28:21,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:28:21,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:28:21,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:28:21,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:28:21,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:28:21,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:28:21,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:28:21,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:28:21,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:28:21,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:28:21,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:28:21,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:28:21,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:28:21,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:28:21,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:28:21,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:28:21,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:28:21,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:28:21,534 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 [2020-09-21 12:28:21,592 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:28:21,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:28:21,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:28:21,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:28:21,595 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:28:21,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:28:21,595 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:28:21,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:28:21,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:28:21,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:28:21,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:28:21,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:28:21,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:28:21,598 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:28:21,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:28:21,599 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:28:21,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:28:21,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:28:21,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:28:21,600 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:28:21,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:28:21,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:28:21,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:28:21,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:28:21,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:28:21,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:28:21,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:28:21,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:28:21,603 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:28:21,603 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.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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:28:22,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:28:22,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:28:22,130 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:28:22,132 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:28:22,133 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:28:22,134 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label43.c [2020-09-21 12:28:22,229 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/efd94c412/1494baa8601f4cf593afcdac8272347e/FLAGe97db31f1 [2020-09-21 12:28:22,922 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:28:22,924 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label43.c [2020-09-21 12:28:22,940 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/efd94c412/1494baa8601f4cf593afcdac8272347e/FLAGe97db31f1 [2020-09-21 12:28:23,111 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/efd94c412/1494baa8601f4cf593afcdac8272347e [2020-09-21 12:28:23,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:28:23,134 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:28:23,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:28:23,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:28:23,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:28:23,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:28:23" (1/1) ... [2020-09-21 12:28:23,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18153661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:23, skipping insertion in model container [2020-09-21 12:28:23,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:28:23" (1/1) ... [2020-09-21 12:28:23,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:28:23,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:28:23,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:28:23,747 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:28:23,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:28:23,970 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:28:23,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:23 WrapperNode [2020-09-21 12:28:23,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:28:23,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:28:23,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:28:23,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:28:23,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:23" (1/1) ... [2020-09-21 12:28:23,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:23" (1/1) ... [2020-09-21 12:28:24,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:23" (1/1) ... [2020-09-21 12:28:24,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:23" (1/1) ... [2020-09-21 12:28:24,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:23" (1/1) ... [2020-09-21 12:28:24,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:23" (1/1) ... [2020-09-21 12:28:24,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:23" (1/1) ... [2020-09-21 12:28:24,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:28:24,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:28:24,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:28:24,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:28:24,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:23" (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 [2020-09-21 12:28:24,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:28:24,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:28:24,181 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 12:28:24,181 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:28:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 12:28:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:28:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:28:24,182 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 12:28:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:28:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:28:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:28:25,345 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:28:25,345 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 12:28:25,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:28:25 BoogieIcfgContainer [2020-09-21 12:28:25,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:28:25,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:28:25,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:28:25,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:28:25,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:28:23" (1/3) ... [2020-09-21 12:28:25,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c2f4aee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:28:25, skipping insertion in model container [2020-09-21 12:28:25,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:23" (2/3) ... [2020-09-21 12:28:25,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c2f4aee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:28:25, skipping insertion in model container [2020-09-21 12:28:25,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:28:25" (3/3) ... [2020-09-21 12:28:25,363 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label43.c [2020-09-21 12:28:25,377 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:28:25,388 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:28:25,412 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:28:25,447 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:28:25,447 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:28:25,447 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:28:25,447 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:28:25,448 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:28:25,448 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:28:25,448 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:28:25,448 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:28:25,477 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-09-21 12:28:25,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-09-21 12:28:25,494 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:25,495 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:28:25,496 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:25,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:25,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1457340122, now seen corresponding path program 1 times [2020-09-21 12:28:25,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:25,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1856342286] [2020-09-21 12:28:25,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:25,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:26,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:26,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:26,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-21 12:28:26,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:28:26,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1026 [2020-09-21 12:28:26,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:26,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:28:26,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:28:26,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-21 12:28:26,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:28:27,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:27,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:27,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:27,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:27,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:27,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 12:28:27,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:27,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:27,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:27,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:28:27,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:27,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:28:27,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1856342286] [2020-09-21 12:28:27,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:28:27,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:28:27,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545071641] [2020-09-21 12:28:27,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:28:27,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:27,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:28:27,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:28:27,285 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2020-09-21 12:28:28,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:28,864 INFO L93 Difference]: Finished difference Result 557 states and 955 transitions. [2020-09-21 12:28:28,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:28:28,866 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2020-09-21 12:28:28,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:28,886 INFO L225 Difference]: With dead ends: 557 [2020-09-21 12:28:28,886 INFO L226 Difference]: Without dead ends: 286 [2020-09-21 12:28:28,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:28:28,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-21 12:28:28,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 282. [2020-09-21 12:28:28,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-09-21 12:28:28,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 392 transitions. [2020-09-21 12:28:28,987 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 392 transitions. Word has length 134 [2020-09-21 12:28:28,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:28,989 INFO L479 AbstractCegarLoop]: Abstraction has 282 states and 392 transitions. [2020-09-21 12:28:28,989 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:28:28,989 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 392 transitions. [2020-09-21 12:28:28,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-21 12:28:28,995 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:28,995 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:28:28,995 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:28:28,996 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:28,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:28,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1373578177, now seen corresponding path program 1 times [2020-09-21 12:28:28,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:28,997 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [431746962] [2020-09-21 12:28:28,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:29,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:29,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:30,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:30,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-21 12:28:30,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:28:30,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1046 [2020-09-21 12:28:30,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:30,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:30,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:28:30,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-09-21 12:28:30,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:30,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:30,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:30,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:30,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:30,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:30,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:28:30,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:30,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:30,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:30,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:30,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:30,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:28:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:30,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:30,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:30,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:28:30,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:30,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:28:30,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:30,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:30,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:30,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:28:30,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:30,424 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:28:30,424 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [431746962] [2020-09-21 12:28:30,425 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:28:30,425 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:28:30,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682781797] [2020-09-21 12:28:30,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:28:30,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:30,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:28:30,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:28:30,429 INFO L87 Difference]: Start difference. First operand 282 states and 392 transitions. Second operand 5 states. [2020-09-21 12:28:31,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:31,559 INFO L93 Difference]: Finished difference Result 836 states and 1187 transitions. [2020-09-21 12:28:31,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:28:31,562 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-09-21 12:28:31,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:31,568 INFO L225 Difference]: With dead ends: 836 [2020-09-21 12:28:31,568 INFO L226 Difference]: Without dead ends: 560 [2020-09-21 12:28:31,570 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:28:31,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-09-21 12:28:31,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 556. [2020-09-21 12:28:31,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-09-21 12:28:31,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 737 transitions. [2020-09-21 12:28:31,608 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 737 transitions. Word has length 142 [2020-09-21 12:28:31,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:31,608 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 737 transitions. [2020-09-21 12:28:31,609 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:28:31,609 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 737 transitions. [2020-09-21 12:28:31,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-21 12:28:31,613 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:31,614 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:28:31,614 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:28:31,614 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:31,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:31,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1707028349, now seen corresponding path program 1 times [2020-09-21 12:28:31,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:31,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1323898435] [2020-09-21 12:28:31,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:31,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:31,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:32,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:32,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-09-21 12:28:32,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:28:32,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1053 [2020-09-21 12:28:32,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:32,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:28:32,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:28:32,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 12:28:32,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:32,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:32,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:32,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:32,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:32,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:32,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:28:32,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:32,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:32,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:32,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:28:32,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:32,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:28:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:32,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:32,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:32,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:28:32,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:32,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-21 12:28:32,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:32,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:32,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:28:32,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 12:28:32,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:32,939 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:28:32,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1323898435] [2020-09-21 12:28:32,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:28:32,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 12:28:32,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886672645] [2020-09-21 12:28:32,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:28:32,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:32,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:28:32,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:28:32,943 INFO L87 Difference]: Start difference. First operand 556 states and 737 transitions. Second operand 7 states. [2020-09-21 12:28:34,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:34,419 INFO L93 Difference]: Finished difference Result 1696 states and 2333 transitions. [2020-09-21 12:28:34,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:28:34,426 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 143 [2020-09-21 12:28:34,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:34,438 INFO L225 Difference]: With dead ends: 1696 [2020-09-21 12:28:34,439 INFO L226 Difference]: Without dead ends: 1146 [2020-09-21 12:28:34,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:28:34,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2020-09-21 12:28:34,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 1118. [2020-09-21 12:28:34,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1118 states. [2020-09-21 12:28:34,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 1444 transitions. [2020-09-21 12:28:34,507 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 1444 transitions. Word has length 143 [2020-09-21 12:28:34,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:34,508 INFO L479 AbstractCegarLoop]: Abstraction has 1118 states and 1444 transitions. [2020-09-21 12:28:34,508 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:28:34,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1444 transitions. [2020-09-21 12:28:34,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-21 12:28:34,513 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:34,513 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:28:34,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:28:34,514 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:34,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:34,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1025958774, now seen corresponding path program 1 times [2020-09-21 12:28:34,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:34,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911353453] [2020-09-21 12:28:34,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:34,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:34,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:35,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:35,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-09-21 12:28:35,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:28:35,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1007 [2020-09-21 12:28:35,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:35,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:35,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 12:28:35,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 12:28:35,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:35,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:35,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:35,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:35,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:35,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:35,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:28:35,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:35,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:35,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:35,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:35,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:35,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:28:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:35,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:35,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:35,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 12:28:35,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:35,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 12:28:35,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:35,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:35,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:35,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:28:35,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:35,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 12:28:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:35,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:35,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:35,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:28:35,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:35,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-21 12:28:35,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:35,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:35,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:28:35,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 12:28:35,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:35,826 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:28:35,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911353453] [2020-09-21 12:28:35,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:28:35,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:28:35,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683336989] [2020-09-21 12:28:35,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:28:35,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:35,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:28:35,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:28:35,829 INFO L87 Difference]: Start difference. First operand 1118 states and 1444 transitions. Second operand 7 states. [2020-09-21 12:28:37,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:37,337 INFO L93 Difference]: Finished difference Result 2687 states and 3619 transitions. [2020-09-21 12:28:37,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 12:28:37,338 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 154 [2020-09-21 12:28:37,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:37,351 INFO L225 Difference]: With dead ends: 2687 [2020-09-21 12:28:37,351 INFO L226 Difference]: Without dead ends: 1575 [2020-09-21 12:28:37,357 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:28:37,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2020-09-21 12:28:37,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1539. [2020-09-21 12:28:37,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1539 states. [2020-09-21 12:28:37,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 1539 states and 1967 transitions. [2020-09-21 12:28:37,418 INFO L78 Accepts]: Start accepts. Automaton has 1539 states and 1967 transitions. Word has length 154 [2020-09-21 12:28:37,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:37,418 INFO L479 AbstractCegarLoop]: Abstraction has 1539 states and 1967 transitions. [2020-09-21 12:28:37,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:28:37,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 1967 transitions. [2020-09-21 12:28:37,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-09-21 12:28:37,424 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:37,424 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:28:37,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:28:37,425 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:37,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:37,425 INFO L82 PathProgramCache]: Analyzing trace with hash 211460664, now seen corresponding path program 1 times [2020-09-21 12:28:37,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:37,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1060768349] [2020-09-21 12:28:37,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:37,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:37,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:38,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:38,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-21 12:28:38,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:28:38,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1027 [2020-09-21 12:28:38,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:38,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:38,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:28:38,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 12:28:38,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:38,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:38,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:38,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:38,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:38,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:38,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:28:38,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:38,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:38,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:38,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:38,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:38,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:28:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:38,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:38,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:38,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:28:38,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:38,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:28:38,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:38,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:38,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:38,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:28:38,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:38,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 12:28:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:38,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:38,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:38,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:28:38,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:38,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-21 12:28:38,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:38,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:38,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:28:38,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-21 12:28:38,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:38,741 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:28:38,742 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1060768349] [2020-09-21 12:28:38,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:28:38,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:28:38,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641096393] [2020-09-21 12:28:38,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:28:38,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:38,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:28:38,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:28:38,745 INFO L87 Difference]: Start difference. First operand 1539 states and 1967 transitions. Second operand 7 states. [2020-09-21 12:28:40,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:40,240 INFO L93 Difference]: Finished difference Result 4250 states and 5660 transitions. [2020-09-21 12:28:40,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:28:40,241 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 168 [2020-09-21 12:28:40,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:40,262 INFO L225 Difference]: With dead ends: 4250 [2020-09-21 12:28:40,262 INFO L226 Difference]: Without dead ends: 2717 [2020-09-21 12:28:40,268 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:28:40,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2717 states. [2020-09-21 12:28:40,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2717 to 2679. [2020-09-21 12:28:40,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2679 states. [2020-09-21 12:28:40,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2679 states to 2679 states and 3394 transitions. [2020-09-21 12:28:40,385 INFO L78 Accepts]: Start accepts. Automaton has 2679 states and 3394 transitions. Word has length 168 [2020-09-21 12:28:40,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:40,385 INFO L479 AbstractCegarLoop]: Abstraction has 2679 states and 3394 transitions. [2020-09-21 12:28:40,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:28:40,386 INFO L276 IsEmpty]: Start isEmpty. Operand 2679 states and 3394 transitions. [2020-09-21 12:28:40,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-09-21 12:28:40,394 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:40,395 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:28:40,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:28:40,395 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:40,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:40,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1985099989, now seen corresponding path program 1 times [2020-09-21 12:28:40,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:40,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1128627295] [2020-09-21 12:28:40,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:40,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:40,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:40,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:41,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:41,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-09-21 12:28:41,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:28:41,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1023 [2020-09-21 12:28:41,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:41,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:41,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 12:28:41,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 12:28:41,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:41,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:41,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:41,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:41,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:41,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:41,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:28:41,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:41,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:41,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:41,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:28:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:41,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:41,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:41,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 12:28:41,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:41,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 12:28:41,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:41,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:28:41,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:41,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 12:28:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:41,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:41,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:41,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:28:41,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:41,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-21 12:28:41,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:41,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:41,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:28:41,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 12:28:41,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:41,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 12:28:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:41,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:41,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:41,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:28:41,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:41,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 12:28:41,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:41,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:41,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 12:28:41,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:41,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:41,892 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 38 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-21 12:28:41,892 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1128627295] [2020-09-21 12:28:41,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:28:41,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:28:41,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860144206] [2020-09-21 12:28:41,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:28:41,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:41,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:28:41,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:28:41,896 INFO L87 Difference]: Start difference. First operand 2679 states and 3394 transitions. Second operand 7 states. [2020-09-21 12:28:43,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:43,846 INFO L93 Difference]: Finished difference Result 6220 states and 8152 transitions. [2020-09-21 12:28:43,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:28:43,847 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 169 [2020-09-21 12:28:43,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:43,869 INFO L225 Difference]: With dead ends: 6220 [2020-09-21 12:28:43,869 INFO L226 Difference]: Without dead ends: 3682 [2020-09-21 12:28:43,878 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:28:43,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3682 states. [2020-09-21 12:28:43,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3682 to 3380. [2020-09-21 12:28:43,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3380 states. [2020-09-21 12:28:43,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 3380 states and 4213 transitions. [2020-09-21 12:28:43,995 INFO L78 Accepts]: Start accepts. Automaton has 3380 states and 4213 transitions. Word has length 169 [2020-09-21 12:28:43,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:43,996 INFO L479 AbstractCegarLoop]: Abstraction has 3380 states and 4213 transitions. [2020-09-21 12:28:43,996 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:28:43,996 INFO L276 IsEmpty]: Start isEmpty. Operand 3380 states and 4213 transitions. [2020-09-21 12:28:44,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-09-21 12:28:44,008 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:44,008 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:28:44,009 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:28:44,009 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:44,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:44,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1476786715, now seen corresponding path program 1 times [2020-09-21 12:28:44,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:44,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1151191104] [2020-09-21 12:28:44,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:44,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:44,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:44,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:44,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:45,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:45,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-21 12:28:45,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:28:45,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1013 [2020-09-21 12:28:45,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:45,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:45,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-21 12:28:45,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 12:28:45,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:45,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:45,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:45,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:45,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:45,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:45,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:28:45,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:45,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:45,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:45,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:45,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:45,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:28:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:45,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:45,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:45,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-21 12:28:45,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:45,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 12:28:45,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:45,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:45,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:45,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 12:28:45,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:45,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-21 12:28:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:45,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:45,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:45,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:28:45,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:45,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-21 12:28:45,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:45,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:45,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:28:45,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 12:28:45,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 12:28:45,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:28:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:45,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:45,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:45,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:28:45,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:45,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:28:45,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:45,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:45,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 12:28:45,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:45,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:45,453 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 50 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-21 12:28:45,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1151191104] [2020-09-21 12:28:45,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:28:45,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:28:45,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713149415] [2020-09-21 12:28:45,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:28:45,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:45,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:28:45,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:28:45,457 INFO L87 Difference]: Start difference. First operand 3380 states and 4213 transitions. Second operand 7 states. [2020-09-21 12:28:47,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:47,224 INFO L93 Difference]: Finished difference Result 6770 states and 8495 transitions. [2020-09-21 12:28:47,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:28:47,225 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 177 [2020-09-21 12:28:47,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:47,244 INFO L225 Difference]: With dead ends: 6770 [2020-09-21 12:28:47,244 INFO L226 Difference]: Without dead ends: 3531 [2020-09-21 12:28:47,253 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:28:47,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3531 states. [2020-09-21 12:28:47,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3531 to 3529. [2020-09-21 12:28:47,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3529 states. [2020-09-21 12:28:47,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3529 states to 3529 states and 4360 transitions. [2020-09-21 12:28:47,356 INFO L78 Accepts]: Start accepts. Automaton has 3529 states and 4360 transitions. Word has length 177 [2020-09-21 12:28:47,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:47,357 INFO L479 AbstractCegarLoop]: Abstraction has 3529 states and 4360 transitions. [2020-09-21 12:28:47,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:28:47,357 INFO L276 IsEmpty]: Start isEmpty. Operand 3529 states and 4360 transitions. [2020-09-21 12:28:47,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-21 12:28:47,368 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:47,368 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:28:47,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:28:47,369 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:47,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:47,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1827923294, now seen corresponding path program 1 times [2020-09-21 12:28:47,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:47,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [688353524] [2020-09-21 12:28:47,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:47,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:47,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:47,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:48,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:48,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-09-21 12:28:48,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:28:48,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1017 [2020-09-21 12:28:48,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:48,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:48,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-09-21 12:28:48,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-21 12:28:48,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:48,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:48,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:48,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:48,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:48,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:48,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:28:48,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:48,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:48,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:48,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:48,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:48,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:28:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:48,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:48,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:48,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 12:28:48,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:48,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 12:28:48,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:48,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:48,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:48,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-21 12:28:48,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:48,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 12:28:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:48,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:48,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:48,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 12:28:48,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:48,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-21 12:28:48,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:48,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:48,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:28:48,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-21 12:28:48,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:48,822 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 108 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:28:48,823 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [688353524] [2020-09-21 12:28:48,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:28:48,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:28:48,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891300959] [2020-09-21 12:28:48,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:28:48,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:48,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:28:48,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:28:48,825 INFO L87 Difference]: Start difference. First operand 3529 states and 4360 transitions. Second operand 7 states. [2020-09-21 12:28:50,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:50,403 INFO L93 Difference]: Finished difference Result 7341 states and 9458 transitions. [2020-09-21 12:28:50,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:28:50,404 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 218 [2020-09-21 12:28:50,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:50,426 INFO L225 Difference]: With dead ends: 7341 [2020-09-21 12:28:50,427 INFO L226 Difference]: Without dead ends: 3953 [2020-09-21 12:28:50,438 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:28:50,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3953 states. [2020-09-21 12:28:50,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3953 to 3829. [2020-09-21 12:28:50,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3829 states. [2020-09-21 12:28:50,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3829 states to 3829 states and 4556 transitions. [2020-09-21 12:28:50,581 INFO L78 Accepts]: Start accepts. Automaton has 3829 states and 4556 transitions. Word has length 218 [2020-09-21 12:28:50,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:50,583 INFO L479 AbstractCegarLoop]: Abstraction has 3829 states and 4556 transitions. [2020-09-21 12:28:50,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:28:50,583 INFO L276 IsEmpty]: Start isEmpty. Operand 3829 states and 4556 transitions. [2020-09-21 12:28:50,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-09-21 12:28:50,600 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:50,600 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:28:50,601 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 12:28:50,601 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:50,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:50,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1827493602, now seen corresponding path program 1 times [2020-09-21 12:28:50,602 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:50,602 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1168444938] [2020-09-21 12:28:50,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:50,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:50,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:51,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:51,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:51,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:51,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-09-21 12:28:51,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:28:51,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1038 [2020-09-21 12:28:51,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:51,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:51,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-09-21 12:28:51,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-09-21 12:28:51,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:51,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:51,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:51,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:51,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:51,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:51,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:28:51,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:51,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:51,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:51,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:51,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:51,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:28:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:51,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:51,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:51,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-21 12:28:51,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:51,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 12:28:51,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:51,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:51,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:51,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:51,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:51,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-21 12:28:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:51,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:51,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:51,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 12:28:51,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:51,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-21 12:28:51,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:51,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:52,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:52,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-21 12:28:52,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:52,133 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-09-21 12:28:52,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1168444938] [2020-09-21 12:28:52,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:28:52,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:28:52,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282451899] [2020-09-21 12:28:52,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:28:52,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:52,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:28:52,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:28:52,136 INFO L87 Difference]: Start difference. First operand 3829 states and 4556 transitions. Second operand 5 states. [2020-09-21 12:28:53,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:53,129 INFO L93 Difference]: Finished difference Result 4645 states and 5513 transitions. [2020-09-21 12:28:53,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:28:53,130 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 248 [2020-09-21 12:28:53,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:53,151 INFO L225 Difference]: With dead ends: 4645 [2020-09-21 12:28:53,152 INFO L226 Difference]: Without dead ends: 4643 [2020-09-21 12:28:53,155 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 [2020-09-21 12:28:53,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4643 states. [2020-09-21 12:28:53,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4643 to 3829. [2020-09-21 12:28:53,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3829 states. [2020-09-21 12:28:53,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3829 states to 3829 states and 4552 transitions. [2020-09-21 12:28:53,257 INFO L78 Accepts]: Start accepts. Automaton has 3829 states and 4552 transitions. Word has length 248 [2020-09-21 12:28:53,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:53,258 INFO L479 AbstractCegarLoop]: Abstraction has 3829 states and 4552 transitions. [2020-09-21 12:28:53,258 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:28:53,258 INFO L276 IsEmpty]: Start isEmpty. Operand 3829 states and 4552 transitions. [2020-09-21 12:28:53,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2020-09-21 12:28:53,271 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:53,272 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:28:53,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 12:28:53,272 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:53,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:53,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1595589190, now seen corresponding path program 1 times [2020-09-21 12:28:53,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:53,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2064674527] [2020-09-21 12:28:53,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:53,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:53,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:54,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:54,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 329 [2020-09-21 12:28:54,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:28:54,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1037 [2020-09-21 12:28:54,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:54,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:54,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-09-21 12:28:54,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 12:28:54,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:54,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:54,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:54,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:54,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:54,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:54,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:28:54,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:54,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:54,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:54,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:54,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:54,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:28:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:54,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:54,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:54,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-21 12:28:54,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:54,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 12:28:54,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:54,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:54,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:54,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:54,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:54,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-21 12:28:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:54,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:54,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:54,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 12:28:54,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:54,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-21 12:28:54,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:54,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:54,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:54,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-21 12:28:54,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:54,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-21 12:28:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:54,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:54,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:54,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:28:54,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:54,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 12:28:54,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:54,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:54,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:28:54,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 12:28:54,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:54,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-21 12:28:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:54,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:54,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:54,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 12:28:54,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:54,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 12:28:54,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:54,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:54,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 12:28:54,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:54,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:55,049 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 203 proven. 14 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2020-09-21 12:28:55,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2064674527] [2020-09-21 12:28:55,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:28:55,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:28:55,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657611417] [2020-09-21 12:28:55,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:28:55,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:55,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:28:55,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:28:55,053 INFO L87 Difference]: Start difference. First operand 3829 states and 4552 transitions. Second operand 7 states. [2020-09-21 12:28:56,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:56,937 INFO L93 Difference]: Finished difference Result 7627 states and 9413 transitions. [2020-09-21 12:28:56,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:28:56,938 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 312 [2020-09-21 12:28:56,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:56,957 INFO L225 Difference]: With dead ends: 7627 [2020-09-21 12:28:56,957 INFO L226 Difference]: Without dead ends: 3939 [2020-09-21 12:28:56,966 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:28:56,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3939 states. [2020-09-21 12:28:57,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3939 to 3827. [2020-09-21 12:28:57,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3827 states. [2020-09-21 12:28:57,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 3827 states and 4481 transitions. [2020-09-21 12:28:57,069 INFO L78 Accepts]: Start accepts. Automaton has 3827 states and 4481 transitions. Word has length 312 [2020-09-21 12:28:57,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:57,070 INFO L479 AbstractCegarLoop]: Abstraction has 3827 states and 4481 transitions. [2020-09-21 12:28:57,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:28:57,070 INFO L276 IsEmpty]: Start isEmpty. Operand 3827 states and 4481 transitions. [2020-09-21 12:28:57,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-09-21 12:28:57,082 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:57,083 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:28:57,083 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 12:28:57,083 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:57,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:57,084 INFO L82 PathProgramCache]: Analyzing trace with hash 498272671, now seen corresponding path program 1 times [2020-09-21 12:28:57,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:57,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2046558433] [2020-09-21 12:28:57,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:57,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:57,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:58,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:58,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 344 [2020-09-21 12:28:58,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:28:58,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1038 [2020-09-21 12:28:58,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:58,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:58,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 210 [2020-09-21 12:28:58,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-09-21 12:28:58,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:58,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:58,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:58,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:58,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:58,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:58,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:28:58,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:58,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:58,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:58,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:58,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:58,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:28:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:58,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:58,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:58,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-21 12:28:58,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:58,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 12:28:58,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:58,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:58,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:58,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:58,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:28:58,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-21 12:28:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:58,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:58,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:58,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 12:28:58,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:58,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 12:28:58,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:58,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:58,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:58,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:58,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:58,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-21 12:28:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:58,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:58,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:58,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:28:58,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:58,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:28:58,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:58,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:58,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:58,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:58,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:58,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-21 12:28:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:58,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:58,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:58,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:28:58,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:58,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:28:58,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:58,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:58,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:58,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:58,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:58,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-21 12:28:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:58,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:58,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:58,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 12:28:58,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:58,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 12:28:58,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:58,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:58,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:58,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 12:28:58,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:58,729 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 183 proven. 5 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2020-09-21 12:28:58,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2046558433] [2020-09-21 12:28:58,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:28:58,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:28:58,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588366975] [2020-09-21 12:28:58,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:28:58,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:58,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:28:58,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:28:58,737 INFO L87 Difference]: Start difference. First operand 3827 states and 4481 transitions. Second operand 5 states. [2020-09-21 12:28:59,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:59,835 INFO L93 Difference]: Finished difference Result 7517 states and 8805 transitions. [2020-09-21 12:28:59,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:28:59,835 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 325 [2020-09-21 12:28:59,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:59,836 INFO L225 Difference]: With dead ends: 7517 [2020-09-21 12:28:59,836 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:28:59,849 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:28:59,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:28:59,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:28:59,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:28:59,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:28:59,850 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 325 [2020-09-21 12:28:59,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:59,850 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:28:59,850 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:28:59,851 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:28:59,851 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:28:59,851 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 12:28:59,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:29:02,018 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 190 [2020-09-21 12:29:02,817 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 190 [2020-09-21 12:29:02,966 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 39 [2020-09-21 12:29:03,998 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 168 DAG size of output: 72 [2020-09-21 12:29:05,016 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 51 [2020-09-21 12:29:06,018 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 51 [2020-09-21 12:29:06,023 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:29:06,024 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-09-21 12:29:06,024 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:29:06,024 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-09-21 12:29:06,025 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-09-21 12:29:06,025 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,025 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,025 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,026 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,026 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,026 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,026 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-09-21 12:29:06,026 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-09-21 12:29:06,027 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-09-21 12:29:06,027 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-09-21 12:29:06,027 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-09-21 12:29:06,027 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-09-21 12:29:06,027 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-09-21 12:29:06,027 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-09-21 12:29:06,028 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-09-21 12:29:06,028 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-09-21 12:29:06,028 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,028 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,028 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,028 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,028 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,028 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,029 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-09-21 12:29:06,029 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-09-21 12:29:06,029 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-09-21 12:29:06,029 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-09-21 12:29:06,029 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-09-21 12:29:06,029 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-09-21 12:29:06,029 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-09-21 12:29:06,030 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-09-21 12:29:06,030 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-09-21 12:29:06,030 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-09-21 12:29:06,030 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-09-21 12:29:06,030 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 560) no Hoare annotation was computed. [2020-09-21 12:29:06,030 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-09-21 12:29:06,031 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-09-21 12:29:06,031 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-09-21 12:29:06,031 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-09-21 12:29:06,031 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,031 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,031 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,031 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,032 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,032 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-09-21 12:29:06,032 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-09-21 12:29:06,032 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-09-21 12:29:06,032 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-09-21 12:29:06,032 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-09-21 12:29:06,032 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-09-21 12:29:06,032 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-09-21 12:29:06,033 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-09-21 12:29:06,033 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-09-21 12:29:06,033 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,033 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,033 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,033 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,033 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,034 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-09-21 12:29:06,034 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-09-21 12:29:06,034 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-09-21 12:29:06,034 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-09-21 12:29:06,034 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-09-21 12:29:06,034 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-09-21 12:29:06,034 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-09-21 12:29:06,034 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-09-21 12:29:06,035 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-09-21 12:29:06,035 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-09-21 12:29:06,035 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-09-21 12:29:06,035 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-09-21 12:29:06,035 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-09-21 12:29:06,035 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,035 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,036 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,036 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,036 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,036 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-09-21 12:29:06,036 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-09-21 12:29:06,036 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-09-21 12:29:06,036 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-09-21 12:29:06,036 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-09-21 12:29:06,037 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-09-21 12:29:06,037 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-09-21 12:29:06,037 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-09-21 12:29:06,037 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-09-21 12:29:06,037 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,037 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,037 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,038 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,038 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,038 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,038 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-09-21 12:29:06,038 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,038 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-09-21 12:29:06,038 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-09-21 12:29:06,038 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-09-21 12:29:06,039 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-09-21 12:29:06,039 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-09-21 12:29:06,039 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-09-21 12:29:06,039 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-09-21 12:29:06,039 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-09-21 12:29:06,039 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-09-21 12:29:06,039 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-09-21 12:29:06,040 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-09-21 12:29:06,040 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-09-21 12:29:06,040 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-09-21 12:29:06,040 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,040 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,040 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,040 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,040 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,041 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-09-21 12:29:06,041 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-09-21 12:29:06,041 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-09-21 12:29:06,041 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-09-21 12:29:06,041 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-09-21 12:29:06,041 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-09-21 12:29:06,041 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-09-21 12:29:06,041 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-09-21 12:29:06,042 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,042 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,042 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,042 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,042 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,042 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-09-21 12:29:06,042 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-09-21 12:29:06,042 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-09-21 12:29:06,043 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-09-21 12:29:06,043 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-09-21 12:29:06,043 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-09-21 12:29:06,043 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-09-21 12:29:06,043 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-09-21 12:29:06,043 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-09-21 12:29:06,043 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-09-21 12:29:06,044 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse17 (= ~a21~0 |old(~a21~0)|)) (.cse6 (= ~a16~0 |old(~a16~0)|)) (.cse3 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a7~0 |old(~a7~0)|)) (.cse5 (= ~a20~0 |old(~a20~0)|)) (.cse10 (= ~a8~0 |old(~a8~0)|)) (.cse7 (<= ~a21~0 1)) (.cse8 (<= 1 ~a21~0)) (.cse18 (= 5 ~a16~0))) (let ((.cse11 (and .cse3 .cse4 .cse5 .cse10 .cse7 .cse8 .cse18)) (.cse14 (and .cse3 .cse4 .cse17 .cse5 .cse6 .cse10)) (.cse0 (not (<= |old(~a21~0)| 1))) (.cse1 (not (<= 1 |old(~a21~0)|))) (.cse13 (not (= |old(~a20~0)| 1))) (.cse12 (not (= 5 |old(~a16~0)|))) (.cse15 (not (= |old(~a17~0)| 1))) (.cse16 (= ~a17~0 1)) (.cse9 (not (<= |old(~a16~0)| 4))) (.cse2 (not (= 0 |old(~a20~0)|)))) (and (or .cse0 .cse1 .cse2 (not (= 15 |old(~a8~0)|)) (and .cse3 .cse4 .cse5 .cse6 (= ~a8~0 15) .cse7 .cse8)) (or .cse0 .cse1 .cse9 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse10 .cse7 .cse8)) (or .cse0 .cse11 .cse1 .cse2 .cse12) (or .cse0 .cse11 .cse1 .cse13 .cse12) (or .cse13 .cse14 .cse9) (or .cse14 (not (<= 6 |old(~a16~0)|)) (not (<= 1 |old(~a20~0)|)) (not (<= |old(~a20~0)| 1))) (or .cse15 .cse0 .cse1 .cse9 (and .cse4 .cse5 .cse6 .cse10 .cse7 .cse8 .cse16)) (or .cse15 (and .cse4 .cse17 .cse5 .cse10 .cse18 .cse16) .cse13 .cse12) (or .cse15 (and .cse4 .cse17 .cse5 .cse6 .cse10 .cse16) .cse9 .cse2)))) [2020-09-21 12:29:06,044 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-09-21 12:29:06,044 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,044 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,044 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,045 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,045 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-09-21 12:29:06,045 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,045 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,045 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-09-21 12:29:06,045 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-09-21 12:29:06,045 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-09-21 12:29:06,046 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-09-21 12:29:06,046 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-09-21 12:29:06,046 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-09-21 12:29:06,046 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-09-21 12:29:06,046 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-09-21 12:29:06,046 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-09-21 12:29:06,046 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-09-21 12:29:06,046 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-09-21 12:29:06,047 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-09-21 12:29:06,047 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,047 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,047 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,047 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,047 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,047 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-09-21 12:29:06,048 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,048 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-09-21 12:29:06,048 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-09-21 12:29:06,048 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-09-21 12:29:06,048 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-09-21 12:29:06,048 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-09-21 12:29:06,048 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-09-21 12:29:06,048 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-09-21 12:29:06,049 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-09-21 12:29:06,049 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-09-21 12:29:06,049 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-09-21 12:29:06,049 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-09-21 12:29:06,049 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-09-21 12:29:06,049 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-09-21 12:29:06,049 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-09-21 12:29:06,049 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,050 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,050 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,050 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,050 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,050 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:06,050 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-09-21 12:29:06,050 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-09-21 12:29:06,050 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-09-21 12:29:06,050 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-09-21 12:29:06,051 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-09-21 12:29:06,051 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-09-21 12:29:06,051 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-09-21 12:29:06,051 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-09-21 12:29:06,051 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-09-21 12:29:06,051 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-09-21 12:29:06,051 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:29:06,052 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a8~0 15) (= ~a20~0 1) (<= ~a21~0 1) (<= 1 ~a21~0) (= 5 ~a16~0) (= ~a7~0 0) (= ~a17~0 1)) [2020-09-21 12:29:06,052 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:29:06,052 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:29:06,052 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (and (= ~a17~0 |old(~a17~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 15) (<= ~a21~0 1) (<= 1 ~a21~0) (= 5 ~a16~0) (= ~a7~0 0)) (not (= |old(~a17~0)| 1)) (not (<= |old(~a21~0)| 1)) (not (<= 1 |old(~a21~0)|)) (not (= |old(~a20~0)| 1)) (not (= 5 |old(~a16~0)|)) (not (= 15 |old(~a8~0)|)) (not (= |old(~a7~0)| 0))) [2020-09-21 12:29:06,052 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-09-21 12:29:06,053 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse5 (<= ~a16~0 4)) (.cse4 (= ~a17~0 1)) (.cse3 (= ~a20~0 1)) (.cse0 (= ~a20~0 0)) (.cse1 (<= ~a21~0 1)) (.cse2 (<= 1 ~a21~0))) (or (and .cse0 .cse1 .cse2 (= 5 ~a16~0)) (and .cse3 .cse4) (not (<= |old(~a21~0)| 1)) (not (= |old(~a20~0)| 1)) (and .cse5 .cse3) (and (<= 6 ~a16~0) .cse3) (and .cse0 .cse5 .cse1 .cse2) (and .cse5 .cse1 .cse2 .cse4) (not (= |old(~a17~0)| 1)) (not (<= 1 |old(~a21~0)|)) (and .cse0 .cse5 .cse4) (and .cse3 .cse1 .cse2) (not (= 5 |old(~a16~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse0 (= ~a8~0 15) .cse1 .cse2) (not (= |old(~a7~0)| 0)))) [2020-09-21 12:29:06,053 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-09-21 12:29:06,053 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-09-21 12:29:06,053 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse5 (<= ~a16~0 4)) (.cse4 (= ~a17~0 1)) (.cse3 (= ~a20~0 1)) (.cse0 (= ~a20~0 0)) (.cse1 (<= ~a21~0 1)) (.cse2 (<= 1 ~a21~0))) (or (and .cse0 .cse1 .cse2 (= 5 ~a16~0)) (and .cse3 .cse4) (not (<= |old(~a21~0)| 1)) (not (= |old(~a20~0)| 1)) (and .cse5 .cse3) (and (<= 6 ~a16~0) .cse3) (and .cse0 .cse5 .cse1 .cse2) (and .cse5 .cse1 .cse2 .cse4) (not (= |old(~a17~0)| 1)) (not (<= 1 |old(~a21~0)|)) (and .cse0 .cse5 .cse4) (and .cse3 .cse1 .cse2) (not (= 5 |old(~a16~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse0 (= ~a8~0 15) .cse1 .cse2) (not (= |old(~a7~0)| 0)))) [2020-09-21 12:29:06,053 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-09-21 12:29:06,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:29:06 BoogieIcfgContainer [2020-09-21 12:29:06,082 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:29:06,084 INFO L168 Benchmark]: Toolchain (without parser) took 42955.22 ms. Allocated memory was 139.5 MB in the beginning and 729.8 MB in the end (delta: 590.3 MB). Free memory was 100.1 MB in the beginning and 235.0 MB in the end (delta: -134.9 MB). Peak memory consumption was 616.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:29:06,085 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:29:06,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 835.55 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 99.5 MB in the beginning and 168.4 MB in the end (delta: -68.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:29:06,089 INFO L168 Benchmark]: Boogie Preprocessor took 132.09 ms. Allocated memory is still 202.4 MB. Free memory was 168.4 MB in the beginning and 163.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:29:06,090 INFO L168 Benchmark]: RCFGBuilder took 1248.75 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 163.5 MB in the beginning and 178.3 MB in the end (delta: -14.8 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:29:06,091 INFO L168 Benchmark]: TraceAbstraction took 40728.23 ms. Allocated memory was 235.9 MB in the beginning and 729.8 MB in the end (delta: 493.9 MB). Free memory was 176.8 MB in the beginning and 235.0 MB in the end (delta: -58.2 MB). Peak memory consumption was 596.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:29:06,095 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 835.55 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 99.5 MB in the beginning and 168.4 MB in the end (delta: -68.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.09 ms. Allocated memory is still 202.4 MB. Free memory was 168.4 MB in the beginning and 163.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1248.75 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 163.5 MB in the beginning and 178.3 MB in the end (delta: -14.8 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 40728.23 ms. Allocated memory was 235.9 MB in the beginning and 729.8 MB in the end (delta: 493.9 MB). Free memory was 176.8 MB in the beginning and 235.0 MB in the end (delta: -58.2 MB). Peak memory consumption was 596.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 560]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((a20 == 0 && a21 <= 1) && 1 <= a21) && 5 == a16) || (a20 == 1 && a17 == 1)) || !(\old(a21) <= 1)) || !(\old(a20) == 1)) || (a16 <= 4 && a20 == 1)) || (6 <= a16 && a20 == 1)) || (((a20 == 0 && a16 <= 4) && a21 <= 1) && 1 <= a21)) || (((a16 <= 4 && a21 <= 1) && 1 <= a21) && a17 == 1)) || !(\old(a17) == 1)) || !(1 <= \old(a21))) || ((a20 == 0 && a16 <= 4) && a17 == 1)) || ((a20 == 1 && a21 <= 1) && 1 <= a21)) || !(5 == \old(a16))) || !(15 == \old(a8))) || (((a20 == 0 && a8 == 15) && a21 <= 1) && 1 <= a21)) || !(\old(a7) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 34.4s, OverallIterations: 11, TraceHistogramMax: 6, AutomataDifference: 16.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 313 SDtfs, 3648 SDslu, 414 SDs, 0 SdLazy, 8979 SolverSat, 1266 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 101 SyntacticMatches, 2 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3829occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 1464 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 176 PreInvPairs, 230 NumberOfFragments, 696 HoareAnnotationTreeSize, 176 FomulaSimplifications, 93918 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8948 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 14.9s InterpolantComputationTime, 2190 NumberOfCodeBlocks, 2190 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2179 ConstructedInterpolants, 0 QuantifiedInterpolants, 1082878 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 1200/1244 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...