/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label37.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 21:01:18,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 21:01:18,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 21:01:18,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 21:01:18,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 21:01:18,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 21:01:18,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 21:01:18,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 21:01:18,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 21:01:18,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 21:01:18,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 21:01:18,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 21:01:18,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 21:01:18,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 21:01:18,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 21:01:18,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 21:01:18,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 21:01:18,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 21:01:18,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 21:01:18,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 21:01:18,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 21:01:18,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 21:01:18,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 21:01:18,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 21:01:18,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 21:01:18,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 21:01:18,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 21:01:18,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 21:01:18,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 21:01:18,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 21:01:18,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 21:01:18,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 21:01:18,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 21:01:18,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 21:01:18,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 21:01:18,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 21:01:18,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 21:01:18,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 21:01:18,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 21:01:18,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 21:01:18,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 21:01:18,782 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 21:01:18,821 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 21:01:18,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 21:01:18,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 21:01:18,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 21:01:18,825 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 21:01:18,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 21:01:18,825 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 21:01:18,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 21:01:18,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 21:01:18,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 21:01:18,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 21:01:18,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 21:01:18,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 21:01:18,827 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 21:01:18,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 21:01:18,828 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 21:01:18,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 21:01:18,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 21:01:18,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 21:01:18,829 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 21:01:18,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 21:01:18,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:01:18,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 21:01:18,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 21:01:18,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 21:01:18,830 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 21:01:18,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 21:01:18,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 21:01:18,830 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 21:01:18,831 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 21:01:19,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 21:01:19,152 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 21:01:19,157 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 21:01:19,158 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 21:01:19,159 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 21:01:19,159 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label37.c [2020-10-14 21:01:19,234 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a48333e9a/8b1e87463c7f47c984e1eb6c95ec726b/FLAG0f789ec02 [2020-10-14 21:01:19,845 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 21:01:19,846 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label37.c [2020-10-14 21:01:19,869 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a48333e9a/8b1e87463c7f47c984e1eb6c95ec726b/FLAG0f789ec02 [2020-10-14 21:01:20,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a48333e9a/8b1e87463c7f47c984e1eb6c95ec726b [2020-10-14 21:01:20,076 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 21:01:20,078 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 21:01:20,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 21:01:20,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 21:01:20,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 21:01:20,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:01:20" (1/1) ... [2020-10-14 21:01:20,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44dc5d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:20, skipping insertion in model container [2020-10-14 21:01:20,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:01:20" (1/1) ... [2020-10-14 21:01:20,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 21:01:20,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 21:01:20,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:01:20,870 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 21:01:21,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:01:21,157 INFO L208 MainTranslator]: Completed translation [2020-10-14 21:01:21,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:21 WrapperNode [2020-10-14 21:01:21,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 21:01:21,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 21:01:21,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 21:01:21,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 21:01:21,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:21" (1/1) ... [2020-10-14 21:01:21,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:21" (1/1) ... [2020-10-14 21:01:21,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:21" (1/1) ... [2020-10-14 21:01:21,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:21" (1/1) ... [2020-10-14 21:01:21,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:21" (1/1) ... [2020-10-14 21:01:21,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:21" (1/1) ... [2020-10-14 21:01:21,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:21" (1/1) ... [2020-10-14 21:01:21,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 21:01:21,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 21:01:21,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 21:01:21,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 21:01:21,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:01:21,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 21:01:21,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 21:01:21,446 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 21:01:21,446 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 21:01:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 21:01:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 21:01:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 21:01:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 21:01:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 21:01:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 21:01:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 21:01:23,423 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 21:01:23,424 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 21:01:23,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:01:23 BoogieIcfgContainer [2020-10-14 21:01:23,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 21:01:23,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 21:01:23,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 21:01:23,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 21:01:23,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:01:20" (1/3) ... [2020-10-14 21:01:23,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a776b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:01:23, skipping insertion in model container [2020-10-14 21:01:23,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:21" (2/3) ... [2020-10-14 21:01:23,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a776b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:01:23, skipping insertion in model container [2020-10-14 21:01:23,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:01:23" (3/3) ... [2020-10-14 21:01:23,442 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label37.c [2020-10-14 21:01:23,454 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 21:01:23,465 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 21:01:23,485 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 21:01:23,518 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 21:01:23,519 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 21:01:23,519 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 21:01:23,519 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 21:01:23,519 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 21:01:23,520 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 21:01:23,545 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 21:01:23,545 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 21:01:23,576 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-14 21:01:23,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-14 21:01:23,593 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:01:23,594 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] [2020-10-14 21:01:23,594 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:01:23,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:01:23,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1618793274, now seen corresponding path program 1 times [2020-10-14 21:01:23,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:01:23,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [886436789] [2020-10-14 21:01:23,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:01:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:23,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:24,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:24,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-14 21:01:24,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:24,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 483 [2020-10-14 21:01:24,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:24,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:24,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:01:24,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:01:24,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-14 21:01:24,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 21:01:24,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:01:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:24,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:24,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:24,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:01:24,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:24,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:01:24,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:24,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:24,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:24,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:24,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:01:24,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:24,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:01:24,481 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [886436789] [2020-10-14 21:01:24,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:01:24,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 21:01:24,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240289744] [2020-10-14 21:01:24,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 21:01:24,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:01:24,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 21:01:24,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 21:01:24,509 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-14 21:01:27,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:01:27,230 INFO L93 Difference]: Finished difference Result 788 states and 1382 transitions. [2020-10-14 21:01:27,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:01:27,232 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2020-10-14 21:01:27,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:01:27,251 INFO L225 Difference]: With dead ends: 788 [2020-10-14 21:01:27,251 INFO L226 Difference]: Without dead ends: 431 [2020-10-14 21:01:27,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:01:27,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2020-10-14 21:01:27,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 425. [2020-10-14 21:01:27,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2020-10-14 21:01:27,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 612 transitions. [2020-10-14 21:01:27,341 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 612 transitions. Word has length 55 [2020-10-14 21:01:27,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:01:27,342 INFO L479 AbstractCegarLoop]: Abstraction has 425 states and 612 transitions. [2020-10-14 21:01:27,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 21:01:27,343 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 612 transitions. [2020-10-14 21:01:27,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-14 21:01:27,349 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:01:27,349 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:01:27,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 21:01:27,350 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:01:27,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:01:27,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1595426746, now seen corresponding path program 1 times [2020-10-14 21:01:27,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:01:27,351 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [475698247] [2020-10-14 21:01:27,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:01:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:27,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:27,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:28,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:29,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:29,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-14 21:01:29,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:01:29,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1613 [2020-10-14 21:01:29,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:29,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:29,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:01:29,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:01:29,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 21:01:29,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:01:29,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:01:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:29,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:29,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:29,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:01:29,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:29,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:01:29,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:29,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:29,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:29,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:29,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:01:29,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:29,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:01:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:29,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:29,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:29,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 21:01:29,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:29,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-14 21:01:29,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:29,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:29,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:29,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:01:29,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 21:01:29,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:29,489 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:01:29,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [475698247] [2020-10-14 21:01:29,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:01:29,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 21:01:29,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251646461] [2020-10-14 21:01:29,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:01:29,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:01:29,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:01:29,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:01:29,493 INFO L87 Difference]: Start difference. First operand 425 states and 612 transitions. Second operand 7 states. [2020-10-14 21:01:32,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:01:32,130 INFO L93 Difference]: Finished difference Result 1272 states and 1867 transitions. [2020-10-14 21:01:32,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:01:32,133 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 127 [2020-10-14 21:01:32,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:01:32,141 INFO L225 Difference]: With dead ends: 1272 [2020-10-14 21:01:32,141 INFO L226 Difference]: Without dead ends: 853 [2020-10-14 21:01:32,144 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:01:32,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2020-10-14 21:01:32,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 822. [2020-10-14 21:01:32,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 822 states. [2020-10-14 21:01:32,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1127 transitions. [2020-10-14 21:01:32,200 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 1127 transitions. Word has length 127 [2020-10-14 21:01:32,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:01:32,201 INFO L479 AbstractCegarLoop]: Abstraction has 822 states and 1127 transitions. [2020-10-14 21:01:32,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:01:32,201 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1127 transitions. [2020-10-14 21:01:32,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-14 21:01:32,204 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:01:32,205 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:01:32,205 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 21:01:32,205 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:01:32,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:01:32,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1772403810, now seen corresponding path program 1 times [2020-10-14 21:01:32,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:01:32,206 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [282786895] [2020-10-14 21:01:32,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:01:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:32,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:32,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:32,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:34,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:34,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-14 21:01:34,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:01:34,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1853 [2020-10-14 21:01:34,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:34,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:34,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:01:34,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:01:34,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 21:01:34,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:34,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:01:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:34,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:34,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:34,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:01:34,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:34,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 21:01:34,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:34,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:34,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:34,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:34,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:01:34,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:34,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:01:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:34,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:34,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:34,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 21:01:34,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:34,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-14 21:01:34,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:34,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:34,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:34,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:01:34,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 21:01:34,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:34,526 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:01:34,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [282786895] [2020-10-14 21:01:34,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:01:34,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 21:01:34,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926973083] [2020-10-14 21:01:34,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:01:34,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:01:34,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:01:34,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:01:34,529 INFO L87 Difference]: Start difference. First operand 822 states and 1127 transitions. Second operand 7 states. [2020-10-14 21:01:37,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:01:37,503 INFO L93 Difference]: Finished difference Result 2453 states and 3406 transitions. [2020-10-14 21:01:37,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 21:01:37,504 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 129 [2020-10-14 21:01:37,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:01:37,517 INFO L225 Difference]: With dead ends: 2453 [2020-10-14 21:01:37,517 INFO L226 Difference]: Without dead ends: 1637 [2020-10-14 21:01:37,520 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 21:01:37,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2020-10-14 21:01:37,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 1612. [2020-10-14 21:01:37,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1612 states. [2020-10-14 21:01:37,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1612 states and 2032 transitions. [2020-10-14 21:01:37,595 INFO L78 Accepts]: Start accepts. Automaton has 1612 states and 2032 transitions. Word has length 129 [2020-10-14 21:01:37,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:01:37,595 INFO L479 AbstractCegarLoop]: Abstraction has 1612 states and 2032 transitions. [2020-10-14 21:01:37,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:01:37,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 2032 transitions. [2020-10-14 21:01:37,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-14 21:01:37,602 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:01:37,602 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:01:37,602 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 21:01:37,603 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:01:37,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:01:37,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1667522350, now seen corresponding path program 1 times [2020-10-14 21:01:37,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:01:37,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1717303782] [2020-10-14 21:01:37,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:01:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:37,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:37,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:37,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-14 21:01:37,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:37,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 316 [2020-10-14 21:01:37,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:37,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:37,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:37,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 21:01:37,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-14 21:01:37,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:38,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:01:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:38,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:38,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:38,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:01:38,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:38,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:01:38,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:38,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:38,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:01:38,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:38,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:01:38,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:38,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:01:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:38,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:38,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:38,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:01:38,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:38,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-14 21:01:38,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:38,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:38,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:38,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:38,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 21:01:38,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:38,345 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:01:38,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1717303782] [2020-10-14 21:01:38,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:01:38,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:01:38,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320819480] [2020-10-14 21:01:38,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:01:38,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:01:38,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:01:38,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:01:38,349 INFO L87 Difference]: Start difference. First operand 1612 states and 2032 transitions. Second operand 5 states. [2020-10-14 21:01:40,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:01:40,598 INFO L93 Difference]: Finished difference Result 3259 states and 4321 transitions. [2020-10-14 21:01:40,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:01:40,602 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 186 [2020-10-14 21:01:40,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:01:40,620 INFO L225 Difference]: With dead ends: 3259 [2020-10-14 21:01:40,620 INFO L226 Difference]: Without dead ends: 2427 [2020-10-14 21:01:40,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:01:40,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2427 states. [2020-10-14 21:01:40,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2427 to 2408. [2020-10-14 21:01:40,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2408 states. [2020-10-14 21:01:40,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2408 states to 2408 states and 3057 transitions. [2020-10-14 21:01:40,702 INFO L78 Accepts]: Start accepts. Automaton has 2408 states and 3057 transitions. Word has length 186 [2020-10-14 21:01:40,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:01:40,703 INFO L479 AbstractCegarLoop]: Abstraction has 2408 states and 3057 transitions. [2020-10-14 21:01:40,704 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:01:40,704 INFO L276 IsEmpty]: Start isEmpty. Operand 2408 states and 3057 transitions. [2020-10-14 21:01:40,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-14 21:01:40,713 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:01:40,713 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:01:40,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 21:01:40,714 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:01:40,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:01:40,714 INFO L82 PathProgramCache]: Analyzing trace with hash 726124036, now seen corresponding path program 1 times [2020-10-14 21:01:40,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:01:40,715 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [289905110] [2020-10-14 21:01:40,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:01:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:40,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:41,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:41,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:43,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:43,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-14 21:01:43,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:01:43,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2814 [2020-10-14 21:01:43,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:43,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:43,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:43,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 21:01:43,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 21:01:43,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:43,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:01:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:43,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:43,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:43,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:01:43,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:43,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:01:43,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:43,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:43,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:01:43,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:43,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:01:43,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:43,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:01:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:43,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:43,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:43,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:01:43,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:43,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-14 21:01:43,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:43,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:43,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:43,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:43,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 21:01:43,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:43,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 21:01:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:43,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:44,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:44,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 21:01:44,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:44,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-14 21:01:44,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:44,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:44,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:44,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:01:44,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 21:01:44,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:44,247 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:01:44,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [289905110] [2020-10-14 21:01:44,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:01:44,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:01:44,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868701919] [2020-10-14 21:01:44,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:01:44,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:01:44,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:01:44,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:01:44,251 INFO L87 Difference]: Start difference. First operand 2408 states and 3057 transitions. Second operand 7 states. [2020-10-14 21:01:46,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:01:46,673 INFO L93 Difference]: Finished difference Result 5276 states and 6973 transitions. [2020-10-14 21:01:46,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:01:46,674 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 245 [2020-10-14 21:01:46,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:01:46,692 INFO L225 Difference]: With dead ends: 5276 [2020-10-14 21:01:46,692 INFO L226 Difference]: Without dead ends: 3252 [2020-10-14 21:01:46,699 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:01:46,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3252 states. [2020-10-14 21:01:46,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3252 to 3207. [2020-10-14 21:01:46,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3207 states. [2020-10-14 21:01:46,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 3207 states and 3989 transitions. [2020-10-14 21:01:46,788 INFO L78 Accepts]: Start accepts. Automaton has 3207 states and 3989 transitions. Word has length 245 [2020-10-14 21:01:46,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:01:46,789 INFO L479 AbstractCegarLoop]: Abstraction has 3207 states and 3989 transitions. [2020-10-14 21:01:46,789 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:01:46,789 INFO L276 IsEmpty]: Start isEmpty. Operand 3207 states and 3989 transitions. [2020-10-14 21:01:46,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-14 21:01:46,795 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:01:46,795 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:01:46,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 21:01:46,796 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:01:46,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:01:46,796 INFO L82 PathProgramCache]: Analyzing trace with hash 172151288, now seen corresponding path program 1 times [2020-10-14 21:01:46,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:01:46,797 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [632812008] [2020-10-14 21:01:46,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:01:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:46,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:47,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:47,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:47,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-14 21:01:47,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:01:47,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 824 [2020-10-14 21:01:47,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:47,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:47,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:47,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 21:01:47,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 21:01:47,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:47,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:01:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:47,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:47,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:47,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:01:47,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:47,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:01:47,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:47,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:47,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:01:47,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:47,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:01:47,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:47,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:01:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:47,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:47,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:47,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:01:47,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:47,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 21:01:47,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:47,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:47,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:01:47,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:47,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:01:47,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:47,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 21:01:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:47,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:48,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:48,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:01:48,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:48,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-14 21:01:48,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:48,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:48,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:48,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:48,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 21:01:48,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:48,164 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-14 21:01:48,165 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [632812008] [2020-10-14 21:01:48,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:01:48,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:01:48,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391700040] [2020-10-14 21:01:48,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:01:48,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:01:48,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:01:48,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:01:48,168 INFO L87 Difference]: Start difference. First operand 3207 states and 3989 transitions. Second operand 5 states. [2020-10-14 21:01:50,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:01:50,983 INFO L93 Difference]: Finished difference Result 7216 states and 9239 transitions. [2020-10-14 21:01:50,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:01:50,984 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 255 [2020-10-14 21:01:50,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:01:51,008 INFO L225 Difference]: With dead ends: 7216 [2020-10-14 21:01:51,009 INFO L226 Difference]: Without dead ends: 4393 [2020-10-14 21:01:51,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:01:51,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4393 states. [2020-10-14 21:01:51,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4393 to 4362. [2020-10-14 21:01:51,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4362 states. [2020-10-14 21:01:51,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4362 states to 4362 states and 5385 transitions. [2020-10-14 21:01:51,181 INFO L78 Accepts]: Start accepts. Automaton has 4362 states and 5385 transitions. Word has length 255 [2020-10-14 21:01:51,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:01:51,182 INFO L479 AbstractCegarLoop]: Abstraction has 4362 states and 5385 transitions. [2020-10-14 21:01:51,182 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:01:51,182 INFO L276 IsEmpty]: Start isEmpty. Operand 4362 states and 5385 transitions. [2020-10-14 21:01:51,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-10-14 21:01:51,187 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:01:51,188 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:01:51,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 21:01:51,188 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:01:51,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:01:51,189 INFO L82 PathProgramCache]: Analyzing trace with hash 2105073518, now seen corresponding path program 1 times [2020-10-14 21:01:51,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:01:51,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1669601906] [2020-10-14 21:01:51,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:01:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:51,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:51,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:52,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:52,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-10-14 21:01:52,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:01:52,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1401 [2020-10-14 21:01:52,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:52,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:52,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:52,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 21:01:52,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 21:01:52,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:52,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:01:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:52,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:52,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:52,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:01:52,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:52,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:01:52,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:52,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:52,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:01:52,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:52,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:01:52,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:52,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:01:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:52,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:52,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:52,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:01:52,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:52,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-14 21:01:52,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:52,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:52,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:52,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:52,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 21:01:52,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:52,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 21:01:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:52,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:53,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:53,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 21:01:53,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:53,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-14 21:01:53,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:53,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:53,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:53,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:01:53,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:01:53,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:01:53,299 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 163 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:01:53,300 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1669601906] [2020-10-14 21:01:53,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:01:53,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:01:53,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71406167] [2020-10-14 21:01:53,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:01:53,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:01:53,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:01:53,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:01:53,303 INFO L87 Difference]: Start difference. First operand 4362 states and 5385 transitions. Second operand 7 states. [2020-10-14 21:01:56,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:01:56,228 INFO L93 Difference]: Finished difference Result 9575 states and 12125 transitions. [2020-10-14 21:01:56,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:01:56,229 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 256 [2020-10-14 21:01:56,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:01:56,255 INFO L225 Difference]: With dead ends: 9575 [2020-10-14 21:01:56,256 INFO L226 Difference]: Without dead ends: 5597 [2020-10-14 21:01:56,267 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:01:56,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2020-10-14 21:01:56,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5563. [2020-10-14 21:01:56,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5563 states. [2020-10-14 21:01:56,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5563 states to 5563 states and 6832 transitions. [2020-10-14 21:01:56,406 INFO L78 Accepts]: Start accepts. Automaton has 5563 states and 6832 transitions. Word has length 256 [2020-10-14 21:01:56,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:01:56,407 INFO L479 AbstractCegarLoop]: Abstraction has 5563 states and 6832 transitions. [2020-10-14 21:01:56,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:01:56,407 INFO L276 IsEmpty]: Start isEmpty. Operand 5563 states and 6832 transitions. [2020-10-14 21:01:56,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-10-14 21:01:56,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:01:56,413 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:01:56,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 21:01:56,414 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:01:56,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:01:56,414 INFO L82 PathProgramCache]: Analyzing trace with hash -61400715, now seen corresponding path program 1 times [2020-10-14 21:01:56,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:01:56,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1769233964] [2020-10-14 21:01:56,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:01:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:56,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:56,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:57,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:57,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-14 21:01:57,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:01:57,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 909 [2020-10-14 21:01:57,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:57,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:57,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:57,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 21:01:57,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 21:01:57,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:57,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:01:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:57,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:57,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:57,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:01:57,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:57,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:01:57,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:57,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:57,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:01:57,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:57,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:01:57,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:01:57,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:01:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:57,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:57,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:57,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:01:57,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:57,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-14 21:01:57,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:57,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:57,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:57,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:57,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 21:01:57,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:01:57,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 21:01:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:57,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:57,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:57,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 21:01:57,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:57,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-14 21:01:57,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:57,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:57,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:57,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:01:57,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 21:01:57,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:58,054 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 168 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:01:58,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1769233964] [2020-10-14 21:01:58,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:01:58,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:01:58,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182299322] [2020-10-14 21:01:58,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:01:58,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:01:58,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:01:58,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:01:58,057 INFO L87 Difference]: Start difference. First operand 5563 states and 6832 transitions. Second operand 7 states. [2020-10-14 21:02:01,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:02:01,735 INFO L93 Difference]: Finished difference Result 12364 states and 15810 transitions. [2020-10-14 21:02:01,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:02:01,736 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 261 [2020-10-14 21:02:01,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:02:01,767 INFO L225 Difference]: With dead ends: 12364 [2020-10-14 21:02:01,767 INFO L226 Difference]: Without dead ends: 7185 [2020-10-14 21:02:01,779 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:02:01,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7185 states. [2020-10-14 21:02:01,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7185 to 7154. [2020-10-14 21:02:01,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7154 states. [2020-10-14 21:02:01,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7154 states to 7154 states and 9036 transitions. [2020-10-14 21:02:01,966 INFO L78 Accepts]: Start accepts. Automaton has 7154 states and 9036 transitions. Word has length 261 [2020-10-14 21:02:01,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:02:01,967 INFO L479 AbstractCegarLoop]: Abstraction has 7154 states and 9036 transitions. [2020-10-14 21:02:01,967 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:02:01,968 INFO L276 IsEmpty]: Start isEmpty. Operand 7154 states and 9036 transitions. [2020-10-14 21:02:01,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-10-14 21:02:01,976 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:02:01,977 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:02:01,977 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 21:02:01,977 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:02:01,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:02:01,978 INFO L82 PathProgramCache]: Analyzing trace with hash 751851047, now seen corresponding path program 1 times [2020-10-14 21:02:01,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:02:01,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1151910985] [2020-10-14 21:02:01,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:02:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:02,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:02,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:02,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:02,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-14 21:02:02,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:02:02,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 856 [2020-10-14 21:02:02,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:02,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:02,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:02:02,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-14 21:02:02,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 21:02:02,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:02:03,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:02:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:03,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:03,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:03,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:02:03,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:03,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:02:03,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:03,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:03,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:02:03,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:03,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:02:03,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:03,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:02:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:03,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:03,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:03,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 21:02:03,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:03,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 21:02:03,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:03,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:03,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:02:03,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:03,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:02:03,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:03,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 21:02:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:03,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:03,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:03,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 21:02:03,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:03,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-14 21:02:03,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:03,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:03,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:03,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:03,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 21:02:03,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:03,390 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-14 21:02:03,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1151910985] [2020-10-14 21:02:03,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:02:03,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:02:03,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039003119] [2020-10-14 21:02:03,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:02:03,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:02:03,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:02:03,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:02:03,399 INFO L87 Difference]: Start difference. First operand 7154 states and 9036 transitions. Second operand 5 states. [2020-10-14 21:02:06,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:02:06,115 INFO L93 Difference]: Finished difference Result 13949 states and 17712 transitions. [2020-10-14 21:02:06,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:02:06,118 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 282 [2020-10-14 21:02:06,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:02:06,143 INFO L225 Difference]: With dead ends: 13949 [2020-10-14 21:02:06,143 INFO L226 Difference]: Without dead ends: 6989 [2020-10-14 21:02:06,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:02:06,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6989 states. [2020-10-14 21:02:06,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6989 to 6948. [2020-10-14 21:02:06,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6948 states. [2020-10-14 21:02:06,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6948 states to 6948 states and 8423 transitions. [2020-10-14 21:02:06,291 INFO L78 Accepts]: Start accepts. Automaton has 6948 states and 8423 transitions. Word has length 282 [2020-10-14 21:02:06,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:02:06,292 INFO L479 AbstractCegarLoop]: Abstraction has 6948 states and 8423 transitions. [2020-10-14 21:02:06,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:02:06,292 INFO L276 IsEmpty]: Start isEmpty. Operand 6948 states and 8423 transitions. [2020-10-14 21:02:06,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-10-14 21:02:06,304 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:02:06,305 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:02:06,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 21:02:06,305 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:02:06,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:02:06,306 INFO L82 PathProgramCache]: Analyzing trace with hash 33429608, now seen corresponding path program 1 times [2020-10-14 21:02:06,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:02:06,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [829073524] [2020-10-14 21:02:06,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:02:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:06,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:06,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:06,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:07,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:10,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:11,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:11,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 351 [2020-10-14 21:02:11,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:02:11,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-14 21:02:11,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:11,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:11,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 21:02:11,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:02:11,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-14 21:02:11,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:11,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:02:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:11,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:11,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:11,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:02:11,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:11,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 21:02:11,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:11,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:11,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:11,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:11,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:02:11,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:11,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:02:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:11,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:11,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:11,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 21:02:11,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:11,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-10-14 21:02:11,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:11,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:11,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:02:11,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:02:11,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-14 21:02:11,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:11,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 21:02:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:11,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:12,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:12,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:02:12,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:12,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-14 21:02:12,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:12,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:12,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:02:12,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:02:12,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 21:02:12,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:12,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-14 21:02:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:12,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:12,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:12,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:12,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:02:12,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:02:12,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 338 [2020-10-14 21:02:12,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:12,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:12,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:02:12,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:02:12,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:02:12,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:12,723 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 148 proven. 11 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2020-10-14 21:02:12,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [829073524] [2020-10-14 21:02:12,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:02:12,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:02:12,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007000821] [2020-10-14 21:02:12,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 21:02:12,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:02:12,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 21:02:12,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:02:12,726 INFO L87 Difference]: Start difference. First operand 6948 states and 8423 transitions. Second operand 9 states. [2020-10-14 21:02:15,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:02:15,763 INFO L93 Difference]: Finished difference Result 14421 states and 18018 transitions. [2020-10-14 21:02:15,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 21:02:15,764 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 337 [2020-10-14 21:02:15,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:02:15,794 INFO L225 Difference]: With dead ends: 14421 [2020-10-14 21:02:15,794 INFO L226 Difference]: Without dead ends: 9189 [2020-10-14 21:02:15,809 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2020-10-14 21:02:15,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9189 states. [2020-10-14 21:02:15,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9189 to 9127. [2020-10-14 21:02:15,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9127 states. [2020-10-14 21:02:15,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9127 states to 9127 states and 10999 transitions. [2020-10-14 21:02:15,980 INFO L78 Accepts]: Start accepts. Automaton has 9127 states and 10999 transitions. Word has length 337 [2020-10-14 21:02:15,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:02:15,981 INFO L479 AbstractCegarLoop]: Abstraction has 9127 states and 10999 transitions. [2020-10-14 21:02:15,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 21:02:15,981 INFO L276 IsEmpty]: Start isEmpty. Operand 9127 states and 10999 transitions. [2020-10-14 21:02:15,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2020-10-14 21:02:15,994 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:02:15,995 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:02:15,995 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 21:02:15,995 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:02:15,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:02:15,996 INFO L82 PathProgramCache]: Analyzing trace with hash 896509215, now seen corresponding path program 1 times [2020-10-14 21:02:15,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:02:15,996 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [815259106] [2020-10-14 21:02:15,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:02:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:16,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:16,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:16,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:16,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:17,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:19,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:19,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 352 [2020-10-14 21:02:19,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:02:19,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3481 [2020-10-14 21:02:19,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:19,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:19,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 21:02:19,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:02:19,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 293 [2020-10-14 21:02:19,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:19,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:02:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:19,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:19,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:19,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:02:19,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:19,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 21:02:19,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:19,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:19,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:19,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:19,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:02:19,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:19,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:02:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:19,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:19,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:20,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:20,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:02:20,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:02:20,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-10-14 21:02:20,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:20,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:20,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:20,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:20,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 21:02:20,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:20,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 21:02:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:20,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:20,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:20,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:20,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:02:20,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:02:20,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-10-14 21:02:20,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:20,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:20,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:20,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:20,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 21:02:20,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:20,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 21:02:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:20,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:20,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:20,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:02:20,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:20,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-14 21:02:20,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:20,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:20,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:02:20,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:02:20,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:02:20,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:20,811 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 298 proven. 4 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-10-14 21:02:20,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [815259106] [2020-10-14 21:02:20,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:02:20,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:02:20,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551458857] [2020-10-14 21:02:20,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:02:20,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:02:20,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:02:20,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:02:20,816 INFO L87 Difference]: Start difference. First operand 9127 states and 10999 transitions. Second operand 7 states. [2020-10-14 21:02:23,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:02:23,901 INFO L93 Difference]: Finished difference Result 16568 states and 20509 transitions. [2020-10-14 21:02:23,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:02:23,903 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 338 [2020-10-14 21:02:23,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:02:23,934 INFO L225 Difference]: With dead ends: 16568 [2020-10-14 21:02:23,934 INFO L226 Difference]: Without dead ends: 9181 [2020-10-14 21:02:23,951 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:02:23,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9181 states. [2020-10-14 21:02:24,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9181 to 9073. [2020-10-14 21:02:24,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9073 states. [2020-10-14 21:02:24,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9073 states to 9073 states and 10510 transitions. [2020-10-14 21:02:24,154 INFO L78 Accepts]: Start accepts. Automaton has 9073 states and 10510 transitions. Word has length 338 [2020-10-14 21:02:24,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:02:24,155 INFO L479 AbstractCegarLoop]: Abstraction has 9073 states and 10510 transitions. [2020-10-14 21:02:24,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:02:24,155 INFO L276 IsEmpty]: Start isEmpty. Operand 9073 states and 10510 transitions. [2020-10-14 21:02:24,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-10-14 21:02:24,168 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:02:24,169 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:02:24,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 21:02:24,169 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:02:24,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:02:24,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1293264231, now seen corresponding path program 1 times [2020-10-14 21:02:24,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:02:24,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [321015990] [2020-10-14 21:02:24,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:02:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:24,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:24,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:24,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:27,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:27,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 356 [2020-10-14 21:02:27,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:02:27,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2803 [2020-10-14 21:02:27,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:27,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:27,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:02:27,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 21:02:27,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 21:02:27,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:27,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:02:27,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:27,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:27,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:27,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:02:27,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:27,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:02:27,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:27,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:27,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:02:27,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:27,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:02:27,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:27,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:02:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:27,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:27,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:27,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:02:27,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:27,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 21:02:27,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:27,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:27,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:02:27,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:27,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:02:27,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:27,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 21:02:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:27,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:27,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:27,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:02:27,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:27,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-14 21:02:27,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:27,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:27,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:27,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:27,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 21:02:27,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:27,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 21:02:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:27,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:27,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:27,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 21:02:27,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:27,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-14 21:02:27,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:27,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:27,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:02:27,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:02:27,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 21:02:27,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:02:27,694 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 314 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-14 21:02:27,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [321015990] [2020-10-14 21:02:27,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:02:27,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:02:27,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650495483] [2020-10-14 21:02:27,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:02:27,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:02:27,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:02:27,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:02:27,696 INFO L87 Difference]: Start difference. First operand 9073 states and 10510 transitions. Second operand 7 states. [2020-10-14 21:02:31,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:02:31,312 INFO L93 Difference]: Finished difference Result 19709 states and 23060 transitions. [2020-10-14 21:02:31,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:02:31,312 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 342 [2020-10-14 21:02:31,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:02:31,443 INFO L225 Difference]: With dead ends: 19709 [2020-10-14 21:02:31,444 INFO L226 Difference]: Without dead ends: 11413 [2020-10-14 21:02:31,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:02:31,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11413 states. [2020-10-14 21:02:31,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11413 to 11195. [2020-10-14 21:02:31,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11195 states. [2020-10-14 21:02:31,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11195 states to 11195 states and 12944 transitions. [2020-10-14 21:02:31,664 INFO L78 Accepts]: Start accepts. Automaton has 11195 states and 12944 transitions. Word has length 342 [2020-10-14 21:02:31,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:02:31,665 INFO L479 AbstractCegarLoop]: Abstraction has 11195 states and 12944 transitions. [2020-10-14 21:02:31,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:02:31,665 INFO L276 IsEmpty]: Start isEmpty. Operand 11195 states and 12944 transitions. [2020-10-14 21:02:31,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-10-14 21:02:31,678 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:02:31,678 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:02:31,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 21:02:31,679 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:02:31,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:02:31,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1938878183, now seen corresponding path program 1 times [2020-10-14 21:02:31,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:02:31,680 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2105681459] [2020-10-14 21:02:31,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:02:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:31,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:31,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:31,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:32,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:33,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:36,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:36,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 356 [2020-10-14 21:02:36,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:02:36,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-14 21:02:36,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:36,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:36,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:02:36,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 21:02:36,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 21:02:36,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:36,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:02:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:36,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:36,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:36,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:02:36,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:36,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:02:36,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:36,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:36,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:02:36,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:36,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:02:36,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:36,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:02:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:36,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:36,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:36,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 21:02:36,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:36,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:02:36,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:36,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:36,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:02:36,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:36,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:02:36,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:36,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 21:02:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:36,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:36,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:36,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 21:02:36,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:36,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 21:02:36,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:36,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:36,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:36,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:36,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 21:02:36,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:36,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 21:02:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:37,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:37,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:37,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 21:02:37,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:37,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 21:02:37,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:37,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:37,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:02:37,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:02:37,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 21:02:37,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:37,136 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 253 proven. 49 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-14 21:02:37,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2105681459] [2020-10-14 21:02:37,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:02:37,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 21:02:37,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219229411] [2020-10-14 21:02:37,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 21:02:37,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:02:37,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 21:02:37,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:02:37,139 INFO L87 Difference]: Start difference. First operand 11195 states and 12944 transitions. Second operand 6 states. [2020-10-14 21:02:39,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:02:39,773 INFO L93 Difference]: Finished difference Result 26234 states and 30629 transitions. [2020-10-14 21:02:39,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:02:39,774 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 342 [2020-10-14 21:02:39,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:02:39,825 INFO L225 Difference]: With dead ends: 26234 [2020-10-14 21:02:39,825 INFO L226 Difference]: Without dead ends: 15423 [2020-10-14 21:02:39,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:02:39,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15423 states. [2020-10-14 21:02:40,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15423 to 15391. [2020-10-14 21:02:40,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15391 states. [2020-10-14 21:02:40,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15391 states to 15391 states and 17846 transitions. [2020-10-14 21:02:40,149 INFO L78 Accepts]: Start accepts. Automaton has 15391 states and 17846 transitions. Word has length 342 [2020-10-14 21:02:40,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:02:40,150 INFO L479 AbstractCegarLoop]: Abstraction has 15391 states and 17846 transitions. [2020-10-14 21:02:40,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 21:02:40,150 INFO L276 IsEmpty]: Start isEmpty. Operand 15391 states and 17846 transitions. [2020-10-14 21:02:40,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-10-14 21:02:40,167 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:02:40,167 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:02:40,167 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 21:02:40,167 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:02:40,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:02:40,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1972579240, now seen corresponding path program 1 times [2020-10-14 21:02:40,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:02:40,168 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [502257464] [2020-10-14 21:02:40,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:02:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:40,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:40,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:40,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:41,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:41,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:41,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 383 [2020-10-14 21:02:41,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:02:41,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1710 [2020-10-14 21:02:41,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:41,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:41,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:02:41,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-14 21:02:41,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 21:02:41,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:42,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:02:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:42,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:42,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:42,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:02:42,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:42,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:02:42,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:42,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:42,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:02:42,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:42,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:02:42,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:42,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:02:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:42,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:42,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:42,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 21:02:42,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:42,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 21:02:42,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:42,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:42,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:02:42,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:42,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:02:42,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:42,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 21:02:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:42,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:42,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:42,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 21:02:42,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:42,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 21:02:42,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:42,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:42,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:42,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:42,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 21:02:42,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:42,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-14 21:02:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:42,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:42,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:42,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:42,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 21:02:42,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:02:42,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-14 21:02:42,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:42,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:42,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:42,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:42,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-14 21:02:42,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:42,403 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 152 proven. 3 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-14 21:02:42,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [502257464] [2020-10-14 21:02:42,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:02:42,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 21:02:42,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524015871] [2020-10-14 21:02:42,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 21:02:42,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:02:42,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 21:02:42,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:02:42,405 INFO L87 Difference]: Start difference. First operand 15391 states and 17846 transitions. Second operand 6 states. [2020-10-14 21:02:45,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:02:45,197 INFO L93 Difference]: Finished difference Result 17499 states and 20325 transitions. [2020-10-14 21:02:45,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:02:45,198 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 369 [2020-10-14 21:02:45,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:02:45,246 INFO L225 Difference]: With dead ends: 17499 [2020-10-14 21:02:45,247 INFO L226 Difference]: Without dead ends: 17497 [2020-10-14 21:02:45,254 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:02:45,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17497 states. [2020-10-14 21:02:45,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17497 to 16341. [2020-10-14 21:02:45,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16341 states. [2020-10-14 21:02:45,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16341 states to 16341 states and 19026 transitions. [2020-10-14 21:02:45,545 INFO L78 Accepts]: Start accepts. Automaton has 16341 states and 19026 transitions. Word has length 369 [2020-10-14 21:02:45,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:02:45,546 INFO L479 AbstractCegarLoop]: Abstraction has 16341 states and 19026 transitions. [2020-10-14 21:02:45,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 21:02:45,547 INFO L276 IsEmpty]: Start isEmpty. Operand 16341 states and 19026 transitions. [2020-10-14 21:02:45,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-10-14 21:02:45,568 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:02:45,569 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:02:45,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 21:02:45,569 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:02:45,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:02:45,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1581254081, now seen corresponding path program 1 times [2020-10-14 21:02:45,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:02:45,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2133817679] [2020-10-14 21:02:45,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:02:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:45,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:46,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:46,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:46,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 380 [2020-10-14 21:02:46,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:02:46,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 746 [2020-10-14 21:02:46,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:46,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:46,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:02:46,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-14 21:02:46,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-14 21:02:46,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:46,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:02:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:46,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:46,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:46,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:02:46,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:46,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:02:46,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:46,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:46,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:02:46,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:46,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:02:46,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:46,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:02:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:46,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:46,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:46,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 21:02:46,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:46,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 21:02:46,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:46,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:46,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:46,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:46,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 21:02:46,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:46,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 21:02:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:46,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:46,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:46,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-14 21:02:46,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:46,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-10-14 21:02:46,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:46,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:46,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:02:46,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:02:46,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-14 21:02:46,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:47,074 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 226 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:02:47,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2133817679] [2020-10-14 21:02:47,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:02:47,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:02:47,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963385951] [2020-10-14 21:02:47,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:02:47,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:02:47,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:02:47,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:02:47,077 INFO L87 Difference]: Start difference. First operand 16341 states and 19026 transitions. Second operand 8 states. [2020-10-14 21:02:50,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:02:50,078 INFO L93 Difference]: Finished difference Result 31363 states and 36635 transitions. [2020-10-14 21:02:50,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:02:50,079 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 368 [2020-10-14 21:02:50,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:02:50,116 INFO L225 Difference]: With dead ends: 31363 [2020-10-14 21:02:50,117 INFO L226 Difference]: Without dead ends: 17519 [2020-10-14 21:02:50,136 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:02:50,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17519 states. [2020-10-14 21:02:50,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17519 to 17487. [2020-10-14 21:02:50,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17487 states. [2020-10-14 21:02:50,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17487 states to 17487 states and 20371 transitions. [2020-10-14 21:02:50,444 INFO L78 Accepts]: Start accepts. Automaton has 17487 states and 20371 transitions. Word has length 368 [2020-10-14 21:02:50,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:02:50,445 INFO L479 AbstractCegarLoop]: Abstraction has 17487 states and 20371 transitions. [2020-10-14 21:02:50,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:02:50,445 INFO L276 IsEmpty]: Start isEmpty. Operand 17487 states and 20371 transitions. [2020-10-14 21:02:50,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2020-10-14 21:02:50,475 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:02:50,475 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:02:50,476 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 21:02:50,476 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:02:50,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:02:50,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1764334927, now seen corresponding path program 1 times [2020-10-14 21:02:50,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:02:50,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1999868086] [2020-10-14 21:02:50,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:02:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:50,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:50,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:52,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:54,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:54,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 470 [2020-10-14 21:02:54,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:02:54,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4022 [2020-10-14 21:02:54,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:54,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:54,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:02:54,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 247 [2020-10-14 21:02:54,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-14 21:02:54,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:54,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:02:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:54,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:54,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:54,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:02:54,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:54,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:02:54,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:54,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:54,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:02:54,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:54,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:02:54,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:54,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:02:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:54,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:54,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:54,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 21:02:54,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:54,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:02:54,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:54,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:54,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:02:54,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:54,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:02:54,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:54,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 21:02:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:54,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:54,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:54,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:02:54,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:54,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 21:02:54,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:54,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:54,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:02:54,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:02:54,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:02:54,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:54,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-10-14 21:02:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:02:54,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:02:55,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:02:55,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-14 21:02:55,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:02:55,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-14 21:02:55,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:02:55,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:02:55,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:02:55,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:02:55,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-14 21:02:55,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:02:55,433 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 363 proven. 17 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-10-14 21:02:55,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1999868086] [2020-10-14 21:02:55,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:02:55,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:02:55,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618884021] [2020-10-14 21:02:55,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:02:55,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:02:55,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:02:55,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:02:55,436 INFO L87 Difference]: Start difference. First operand 17487 states and 20371 transitions. Second operand 8 states. [2020-10-14 21:02:57,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:02:57,767 INFO L93 Difference]: Finished difference Result 34228 states and 39960 transitions. [2020-10-14 21:02:57,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:02:57,768 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 456 [2020-10-14 21:02:57,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:02:57,769 INFO L225 Difference]: With dead ends: 34228 [2020-10-14 21:02:57,769 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 21:02:57,801 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:02:57,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 21:02:57,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 21:02:57,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 21:02:57,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 21:02:57,802 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 456 [2020-10-14 21:02:57,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:02:57,802 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 21:02:57,803 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:02:57,803 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 21:02:57,803 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 21:02:57,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 21:02:57,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 21:02:59,043 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 148 [2020-10-14 21:02:59,290 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 148 [2020-10-14 21:02:59,457 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2020-10-14 21:03:02,461 WARN L193 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 366 DAG size of output: 102 [2020-10-14 21:03:03,174 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 80 [2020-10-14 21:03:03,828 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 80 [2020-10-14 21:03:03,832 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:03:03,832 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a3~0 |old(~a3~0)|)) [2020-10-14 21:03:03,833 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:03:03,833 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-14 21:03:03,833 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-14 21:03:03,833 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-14 21:03:03,833 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,833 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,833 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,834 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,834 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,834 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,834 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,834 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-14 21:03:03,834 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-14 21:03:03,834 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-14 21:03:03,835 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,835 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,835 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,835 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,835 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,835 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,835 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,835 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,835 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,835 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-14 21:03:03,836 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-14 21:03:03,836 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-14 21:03:03,836 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,836 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,836 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,836 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,836 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,836 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,837 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,837 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,837 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,837 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-14 21:03:03,837 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-14 21:03:03,837 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-14 21:03:03,837 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-10-14 21:03:03,837 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-14 21:03:03,837 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-10-14 21:03:03,837 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-10-14 21:03:03,837 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,837 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,838 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,838 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,838 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,838 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,838 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,838 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,838 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,838 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,838 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-14 21:03:03,838 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-14 21:03:03,838 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-14 21:03:03,838 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,838 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,838 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,838 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,839 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,839 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-14 21:03:03,839 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-14 21:03:03,839 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-14 21:03:03,839 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,839 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,839 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,839 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,839 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,839 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-10-14 21:03:03,839 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-10-14 21:03:03,839 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,839 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,840 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,840 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,840 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,840 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,840 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-10-14 21:03:03,840 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-10-14 21:03:03,840 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,840 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,840 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-14 21:03:03,840 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-14 21:03:03,841 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-14 21:03:03,841 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,841 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,841 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,841 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,841 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,841 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,841 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,841 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-14 21:03:03,842 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-14 21:03:03,842 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-14 21:03:03,842 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-10-14 21:03:03,842 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-10-14 21:03:03,842 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-10-14 21:03:03,842 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-10-14 21:03:03,842 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,842 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,842 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-10-14 21:03:03,842 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-10-14 21:03:03,843 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,843 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,843 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,843 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,844 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse18 (= ~a23~0 |old(~a23~0)|)) (.cse19 (= ~a29~0 |old(~a29~0)|)) (.cse20 (= ~a4~0 |old(~a4~0)|))) (let ((.cse9 (not (<= |old(~a29~0)| 220))) (.cse10 (not (<= |old(~a23~0)| 85))) (.cse16 (not (<= |old(~a4~0)| 0))) (.cse14 (not (<= |old(~a25~0)| 10))) (.cse13 (not (<= |old(~a29~0)| 599999))) (.cse11 (not (<= 307 |old(~a23~0)|))) (.cse7 (not (<= 13 |old(~a25~0)|))) (.cse5 (not (<= |old(~a29~0)| 275))) (.cse1 (not (<= 12 |old(~a25~0)|))) (.cse2 (and (<= ~a25~0 12) .cse18 .cse19 .cse20 (<= 12 ~a25~0))) (.cse4 (not (<= |old(~a25~0)| 12))) (.cse17 (not (<= |old(~a29~0)| 130))) (.cse0 (not (= |old(~a4~0)| 1))) (.cse15 (not (<= |old(~a29~0)| 599998))) (.cse3 (not (= ~a8~0 15))) (.cse8 (and (= ~a25~0 |old(~a25~0)|) .cse18 .cse19 .cse20)) (.cse12 (not (= 11 |old(~a25~0)|))) (.cse6 (not (= ~a3~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (<= 312 |old(~a23~0)|)) .cse6) (or .cse0 .cse7 .cse8 .cse9 .cse10) (or .cse0 .cse1 .cse2 .cse3 .cse11 .cse9 .cse4 .cse6) (or .cse0 .cse8 .cse12 .cse10) (or .cse0 .cse3 (not (<= |old(~a23~0)| 137)) .cse8 (not (<= 48 |old(~a23~0)|)) (not (= 9 |old(~a25~0)|)) .cse6) (or .cse0 .cse13 .cse3 .cse11 .cse8 .cse12 .cse6) (or .cse0 .cse14 .cse8 .cse9 .cse10) (or .cse15 .cse3 .cse8 .cse10 .cse6 .cse16) (or .cse15 .cse3 .cse8 .cse12 .cse16 .cse6) (or .cse14 .cse3 .cse8 .cse5 .cse6 .cse16) (or .cse0 .cse1 .cse2 .cse4 .cse10 .cse17) (or (not (<= 180 |old(~a23~0)|)) .cse0 .cse7 .cse15 .cse3 .cse8 .cse6) (or .cse1 .cse2 .cse15 .cse3 .cse4 .cse6 .cse16) (or .cse0 .cse14 .cse13 .cse3 .cse8 .cse6) (or .cse0 .cse1 .cse2 .cse15 .cse3 .cse11 (not (<= 245 |old(~a29~0)|)) .cse4 .cse6) (or .cse0 .cse7 .cse3 .cse8 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse17 .cse6) (or .cse0 .cse15 .cse3 .cse8 .cse12 .cse6)))) [2020-10-14 21:03:03,844 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,844 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-14 21:03:03,844 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-14 21:03:03,844 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-14 21:03:03,844 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,844 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,844 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,845 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,845 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,845 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,845 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-14 21:03:03,845 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-14 21:03:03,845 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-14 21:03:03,845 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,845 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,845 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,846 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,846 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,846 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,846 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,846 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,846 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-14 21:03:03,846 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-14 21:03:03,846 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-14 21:03:03,847 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,847 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,847 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,847 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,847 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,847 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,847 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,847 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,847 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,848 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,848 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,848 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-10-14 21:03:03,848 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-10-14 21:03:03,848 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-14 21:03:03,848 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-14 21:03:03,848 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-14 21:03:03,848 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,848 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,849 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,849 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,849 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,849 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,849 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,849 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-14 21:03:03,849 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-14 21:03:03,849 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-14 21:03:03,849 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,850 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,850 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,850 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-10-14 21:03:03,850 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-10-14 21:03:03,850 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,850 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,850 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,850 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,850 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,851 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 153) no Hoare annotation was computed. [2020-10-14 21:03:03,851 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-14 21:03:03,851 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-14 21:03:03,851 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,851 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,851 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-10-14 21:03:03,851 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-10-14 21:03:03,851 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,852 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,852 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,852 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,852 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,852 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,852 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-14 21:03:03,852 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-14 21:03:03,852 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-10-14 21:03:03,852 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-10-14 21:03:03,852 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,853 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,853 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,853 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,853 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,853 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,853 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,853 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,853 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-14 21:03:03,853 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-14 21:03:03,854 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-10-14 21:03:03,854 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-10-14 21:03:03,854 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-10-14 21:03:03,854 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-10-14 21:03:03,854 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,854 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,854 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,854 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,854 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,854 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,854 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,855 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-14 21:03:03,855 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-14 21:03:03,855 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,855 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,855 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,855 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,855 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,855 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,855 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,855 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-14 21:03:03,856 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-14 21:03:03,856 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,856 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,856 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,856 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,856 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,856 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,856 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,856 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-14 21:03:03,857 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,857 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,857 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,857 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-14 21:03:03,857 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-14 21:03:03,857 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-14 21:03:03,857 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,857 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-10-14 21:03:03,857 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,858 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-10-14 21:03:03,858 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,858 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,858 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,858 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,858 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,858 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,858 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-14 21:03:03,858 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-14 21:03:03,858 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-14 21:03:03,859 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,859 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,859 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,859 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,859 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,859 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,859 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,859 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,859 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,860 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,860 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-14 21:03:03,860 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-14 21:03:03,860 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-14 21:03:03,860 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,860 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-10-14 21:03:03,860 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-10-14 21:03:03,860 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,861 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,861 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,861 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,861 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,861 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,861 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-14 21:03:03,861 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-14 21:03:03,861 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-14 21:03:03,861 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,862 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,862 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,862 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,862 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-10-14 21:03:03,862 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-10-14 21:03:03,862 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,862 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,862 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-10-14 21:03:03,862 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,862 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,863 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:03:03,863 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:03:03,863 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a25~0 10) (<= 10 ~a25~0) (<= ~a29~0 130) (= ~a8~0 15) (= ~a4~0 1) (= ~a3~0 1) (= ~a23~0 312)) [2020-10-14 21:03:03,863 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 21:03:03,863 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:03:03,863 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (<= 10 |old(~a25~0)|)) (not (<= |old(~a25~0)| 10)) (not (= |old(~a4~0)| 1)) (not (= 312 |old(~a23~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 1) (= ~a23~0 312)) (not (= ~a8~0 15)) (not (<= |old(~a29~0)| 130)) (not (= ~a3~0 1))) [2020-10-14 21:03:03,864 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 21:03:03,864 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse8 (<= ~a23~0 85)) (.cse1 (<= 13 ~a25~0)) (.cse9 (<= ~a29~0 275)) (.cse6 (<= ~a25~0 10)) (.cse5 (<= ~a29~0 599999)) (.cse4 (<= 307 ~a23~0)) (.cse2 (= ~a4~0 1)) (.cse3 (= ~a25~0 11)) (.cse7 (<= ~a4~0 0)) (.cse0 (<= ~a29~0 599998))) (or (not (<= 10 |old(~a25~0)|)) (and (<= 180 ~a23~0) .cse0 .cse1 .cse2) (and (<= 312 ~a23~0) .cse0 .cse2) (and .cse3 .cse0 .cse2) (and (<= 245 ~a29~0) .cse4 .cse0 .cse2) (and (<= ~a29~0 130) .cse2) (not (= ~a8~0 15)) (and .cse5 .cse6 .cse2) (and .cse7 (<= ~a25~0 12) .cse0 (<= 12 ~a25~0)) (and .cse7 .cse8 .cse0) (and .cse3 .cse8 .cse2) (not (= ~a3~0 1)) (and .cse9 .cse1 .cse2) (not (<= |old(~a25~0)| 10)) (and (= ~a25~0 9) (<= ~a23~0 137) (<= 48 ~a23~0) .cse2) (not (= |old(~a4~0)| 1)) (and .cse9 .cse6 .cse7) (not (= 312 |old(~a23~0)|)) (and .cse5 .cse3 .cse4 .cse2) (and .cse4 (<= ~a29~0 220) .cse2) (and .cse3 .cse7 .cse0) (not (<= |old(~a29~0)| 130)))) [2020-10-14 21:03:03,864 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-10-14 21:03:03,864 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-10-14 21:03:03,864 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse8 (<= ~a23~0 85)) (.cse1 (<= 13 ~a25~0)) (.cse9 (<= ~a29~0 275)) (.cse6 (<= ~a25~0 10)) (.cse5 (<= ~a29~0 599999)) (.cse4 (<= 307 ~a23~0)) (.cse2 (= ~a4~0 1)) (.cse3 (= ~a25~0 11)) (.cse7 (<= ~a4~0 0)) (.cse0 (<= ~a29~0 599998))) (or (not (<= 10 |old(~a25~0)|)) (and (<= 180 ~a23~0) .cse0 .cse1 .cse2) (and (<= 312 ~a23~0) .cse0 .cse2) (and .cse3 .cse0 .cse2) (and (<= 245 ~a29~0) .cse4 .cse0 .cse2) (and (<= ~a29~0 130) .cse2) (not (= ~a8~0 15)) (and .cse5 .cse6 .cse2) (and .cse7 (<= ~a25~0 12) .cse0 (<= 12 ~a25~0)) (and .cse7 .cse8 .cse0) (and .cse3 .cse8 .cse2) (not (= ~a3~0 1)) (and .cse9 .cse1 .cse2) (not (<= |old(~a25~0)| 10)) (and (= ~a25~0 9) (<= ~a23~0 137) (<= 48 ~a23~0) .cse2) (not (= |old(~a4~0)| 1)) (and .cse9 .cse6 .cse7) (not (= 312 |old(~a23~0)|)) (and .cse5 .cse3 .cse4 .cse2) (and .cse4 (<= ~a29~0 220) .cse2) (and .cse3 .cse7 .cse0) (not (<= |old(~a29~0)| 130)))) [2020-10-14 21:03:03,865 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 21:03:03,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:03:03 BoogieIcfgContainer [2020-10-14 21:03:03,890 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 21:03:03,895 INFO L168 Benchmark]: Toolchain (without parser) took 103814.40 ms. Allocated memory was 148.4 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 101.3 MB in the beginning and 823.2 MB in the end (delta: -721.9 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2020-10-14 21:03:03,896 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 21:03:03,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1079.09 ms. Allocated memory was 148.4 MB in the beginning and 211.3 MB in the end (delta: 62.9 MB). Free memory was 101.3 MB in the beginning and 164.3 MB in the end (delta: -63.0 MB). Peak memory consumption was 44.2 MB. Max. memory is 7.1 GB. [2020-10-14 21:03:03,897 INFO L168 Benchmark]: Boogie Preprocessor took 188.23 ms. Allocated memory is still 211.3 MB. Free memory was 164.3 MB in the beginning and 157.2 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 7.1 GB. [2020-10-14 21:03:03,898 INFO L168 Benchmark]: RCFGBuilder took 2084.54 ms. Allocated memory was 211.3 MB in the beginning and 240.1 MB in the end (delta: 28.8 MB). Free memory was 156.2 MB in the beginning and 92.0 MB in the end (delta: 64.2 MB). Peak memory consumption was 93.1 MB. Max. memory is 7.1 GB. [2020-10-14 21:03:03,899 INFO L168 Benchmark]: TraceAbstraction took 100456.75 ms. Allocated memory was 240.1 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 92.0 MB in the beginning and 823.2 MB in the end (delta: -731.2 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2020-10-14 21:03:03,905 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1079.09 ms. Allocated memory was 148.4 MB in the beginning and 211.3 MB in the end (delta: 62.9 MB). Free memory was 101.3 MB in the beginning and 164.3 MB in the end (delta: -63.0 MB). Peak memory consumption was 44.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 188.23 ms. Allocated memory is still 211.3 MB. Free memory was 164.3 MB in the beginning and 157.2 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2084.54 ms. Allocated memory was 211.3 MB in the beginning and 240.1 MB in the end (delta: 28.8 MB). Free memory was 156.2 MB in the beginning and 92.0 MB in the end (delta: 64.2 MB). Peak memory consumption was 93.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 100456.75 ms. Allocated memory was 240.1 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 92.0 MB in the beginning and 823.2 MB in the end (delta: -731.2 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 153]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1034]: Loop Invariant Derived loop invariant: ((((((((((((((((((((!(10 <= \old(a25)) || (((180 <= a23 && a29 <= 599998) && 13 <= a25) && a4 == 1)) || ((312 <= a23 && a29 <= 599998) && a4 == 1)) || ((a25 == 11 && a29 <= 599998) && a4 == 1)) || (((245 <= a29 && 307 <= a23) && a29 <= 599998) && a4 == 1)) || (a29 <= 130 && a4 == 1)) || !(a8 == 15)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || (((a4 <= 0 && a25 <= 12) && a29 <= 599998) && 12 <= a25)) || ((a4 <= 0 && a23 <= 85) && a29 <= 599998)) || ((a25 == 11 && a23 <= 85) && a4 == 1)) || !(a3 == 1)) || ((a29 <= 275 && 13 <= a25) && a4 == 1)) || !(\old(a25) <= 10)) || (((a25 == 9 && a23 <= 137) && 48 <= a23) && a4 == 1)) || !(\old(a4) == 1)) || ((a29 <= 275 && a25 <= 10) && a4 <= 0)) || !(312 == \old(a23))) || (((a29 <= 599999 && a25 == 11) && 307 <= a23) && a4 == 1)) || ((307 <= a23 && a29 <= 220) && a4 == 1)) || ((a25 == 11 && a4 <= 0) && a29 <= 599998)) || !(\old(a29) <= 130) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 94.2s, OverallIterations: 16, TraceHistogramMax: 4, AutomataDifference: 46.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 755 SDtfs, 10893 SDslu, 1367 SDs, 0 SdLazy, 22201 SolverSat, 3171 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17487occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 1871 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 533 PreInvPairs, 727 NumberOfFragments, 1147 HoareAnnotationTreeSize, 533 FomulaSimplifications, 10850 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 11170 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 42.3s InterpolantComputationTime, 4348 NumberOfCodeBlocks, 4348 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4332 ConstructedInterpolants, 0 QuantifiedInterpolants, 3210692 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 3 PerfectInterpolantSequences, 3610/3723 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...