/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 05:30:50,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 05:30:50,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 05:30:50,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 05:30:50,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 05:30:50,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 05:30:50,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 05:30:50,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 05:30:50,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 05:30:50,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 05:30:50,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 05:30:50,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 05:30:50,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 05:30:50,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 05:30:50,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 05:30:50,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 05:30:50,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 05:30:50,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 05:30:50,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 05:30:50,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 05:30:50,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 05:30:50,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 05:30:50,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 05:30:50,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 05:30:50,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 05:30:50,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 05:30:50,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 05:30:50,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 05:30:50,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 05:30:50,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 05:30:50,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 05:30:50,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 05:30:50,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 05:30:50,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 05:30:50,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 05:30:50,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 05:30:50,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 05:30:50,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 05:30:50,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 05:30:50,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 05:30:50,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 05:30:50,771 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 [2020-08-22 05:30:50,820 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 05:30:50,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 05:30:50,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 05:30:50,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 05:30:50,822 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 05:30:50,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 05:30:50,823 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 05:30:50,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 05:30:50,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 05:30:50,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 05:30:50,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 05:30:50,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 05:30:50,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 05:30:50,826 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 05:30:50,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 05:30:50,826 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 05:30:50,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 05:30:50,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 05:30:50,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 05:30:50,827 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 05:30:50,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 05:30:50,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 05:30:50,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 05:30:50,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 05:30:50,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 05:30:50,828 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 05:30:50,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 05:30:50,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 05:30:50,829 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 05:30:50,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-08-22 05:30:51,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 05:30:51,178 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 05:30:51,184 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 05:30:51,186 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 05:30:51,187 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 05:30:51,187 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label05.c [2020-08-22 05:30:51,264 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/131ed7d69/e88dbe0e70f54ef8aa6b7eb1bde33420/FLAGef44da7a1 [2020-08-22 05:30:51,840 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 05:30:51,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label05.c [2020-08-22 05:30:51,855 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/131ed7d69/e88dbe0e70f54ef8aa6b7eb1bde33420/FLAGef44da7a1 [2020-08-22 05:30:52,152 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/131ed7d69/e88dbe0e70f54ef8aa6b7eb1bde33420 [2020-08-22 05:30:52,161 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 05:30:52,162 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 05:30:52,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 05:30:52,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 05:30:52,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 05:30:52,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 05:30:52" (1/1) ... [2020-08-22 05:30:52,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54de61ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:30:52, skipping insertion in model container [2020-08-22 05:30:52,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 05:30:52" (1/1) ... [2020-08-22 05:30:52,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 05:30:52,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 05:30:52,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 05:30:52,948 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 05:30:53,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 05:30:53,092 INFO L208 MainTranslator]: Completed translation [2020-08-22 05:30:53,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:30:53 WrapperNode [2020-08-22 05:30:53,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 05:30:53,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 05:30:53,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 05:30:53,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 05:30:53,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:30:53" (1/1) ... [2020-08-22 05:30:53,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:30:53" (1/1) ... [2020-08-22 05:30:53,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:30:53" (1/1) ... [2020-08-22 05:30:53,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:30:53" (1/1) ... [2020-08-22 05:30:53,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:30:53" (1/1) ... [2020-08-22 05:30:53,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:30:53" (1/1) ... [2020-08-22 05:30:53,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:30:53" (1/1) ... [2020-08-22 05:30:53,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 05:30:53,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 05:30:53,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 05:30:53,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 05:30:53,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:30:53" (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 [2020-08-22 05:30:53,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 05:30:53,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 05:30:53,317 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-22 05:30:53,317 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 05:30:53,318 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-22 05:30:53,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 05:30:53,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 05:30:53,319 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-22 05:30:53,319 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 05:30:53,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 05:30:53,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 05:30:54,534 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 05:30:54,535 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 05:30:54,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 05:30:54 BoogieIcfgContainer [2020-08-22 05:30:54,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 05:30:54,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 05:30:54,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 05:30:54,553 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 05:30:54,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 05:30:52" (1/3) ... [2020-08-22 05:30:54,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55959cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 05:30:54, skipping insertion in model container [2020-08-22 05:30:54,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:30:53" (2/3) ... [2020-08-22 05:30:54,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55959cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 05:30:54, skipping insertion in model container [2020-08-22 05:30:54,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 05:30:54" (3/3) ... [2020-08-22 05:30:54,557 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label05.c [2020-08-22 05:30:54,568 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 05:30:54,580 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 05:30:54,595 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 05:30:54,621 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 05:30:54,621 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 05:30:54,621 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 05:30:54,621 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 05:30:54,621 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 05:30:54,622 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 05:30:54,622 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 05:30:54,622 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 05:30:54,646 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-22 05:30:54,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-08-22 05:30:54,662 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:30:54,664 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:30:54,664 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:30:54,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:30:54,670 INFO L82 PathProgramCache]: Analyzing trace with hash -2092008314, now seen corresponding path program 1 times [2020-08-22 05:30:54,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:30:54,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2035641273] [2020-08-22 05:30:54,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:30:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:30:55,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:30:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:30:55,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:30:55,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2035641273] [2020-08-22 05:30:55,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:30:55,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 05:30:55,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000085869] [2020-08-22 05:30:55,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 05:30:55,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:30:55,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 05:30:55,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 05:30:55,311 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-08-22 05:30:57,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:30:57,729 INFO L93 Difference]: Finished difference Result 813 states and 1406 transitions. [2020-08-22 05:30:57,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 05:30:57,735 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2020-08-22 05:30:57,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:30:57,754 INFO L225 Difference]: With dead ends: 813 [2020-08-22 05:30:57,754 INFO L226 Difference]: Without dead ends: 488 [2020-08-22 05:30:57,764 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 05:30:57,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-08-22 05:30:57,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 481. [2020-08-22 05:30:57,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-08-22 05:30:57,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 692 transitions. [2020-08-22 05:30:57,860 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 692 transitions. Word has length 132 [2020-08-22 05:30:57,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:30:57,861 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 692 transitions. [2020-08-22 05:30:57,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 05:30:57,862 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 692 transitions. [2020-08-22 05:30:57,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-08-22 05:30:57,869 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:30:57,869 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:30:57,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 05:30:57,870 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:30:57,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:30:57,871 INFO L82 PathProgramCache]: Analyzing trace with hash 682738721, now seen corresponding path program 1 times [2020-08-22 05:30:57,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:30:57,871 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1815930142] [2020-08-22 05:30:57,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:30:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:30:58,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:30:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:30:58,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 05:30:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:30:58,234 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 05:30:58,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1815930142] [2020-08-22 05:30:58,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:30:58,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 05:30:58,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115017131] [2020-08-22 05:30:58,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 05:30:58,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:30:58,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 05:30:58,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-22 05:30:58,239 INFO L87 Difference]: Start difference. First operand 481 states and 692 transitions. Second operand 7 states. [2020-08-22 05:31:00,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:31:00,028 INFO L93 Difference]: Finished difference Result 1399 states and 2064 transitions. [2020-08-22 05:31:00,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 05:31:00,029 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 140 [2020-08-22 05:31:00,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:31:00,037 INFO L225 Difference]: With dead ends: 1399 [2020-08-22 05:31:00,037 INFO L226 Difference]: Without dead ends: 924 [2020-08-22 05:31:00,040 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-22 05:31:00,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2020-08-22 05:31:00,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 772. [2020-08-22 05:31:00,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 772 states. [2020-08-22 05:31:00,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1127 transitions. [2020-08-22 05:31:00,092 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1127 transitions. Word has length 140 [2020-08-22 05:31:00,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:31:00,093 INFO L479 AbstractCegarLoop]: Abstraction has 772 states and 1127 transitions. [2020-08-22 05:31:00,093 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 05:31:00,093 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1127 transitions. [2020-08-22 05:31:00,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-08-22 05:31:00,100 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:31:00,101 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:31:00,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 05:31:00,101 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:31:00,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:31:00,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1033618530, now seen corresponding path program 1 times [2020-08-22 05:31:00,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:31:00,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [367081760] [2020-08-22 05:31:00,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:31:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:00,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:31:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:00,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 05:31:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:00,307 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:31:00,307 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [367081760] [2020-08-22 05:31:00,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:31:00,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 05:31:00,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141470949] [2020-08-22 05:31:00,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 05:31:00,310 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:31:00,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 05:31:00,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 05:31:00,311 INFO L87 Difference]: Start difference. First operand 772 states and 1127 transitions. Second operand 8 states. [2020-08-22 05:31:02,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:31:02,406 INFO L93 Difference]: Finished difference Result 2632 states and 3998 transitions. [2020-08-22 05:31:02,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 05:31:02,408 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 154 [2020-08-22 05:31:02,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:31:02,437 INFO L225 Difference]: With dead ends: 2632 [2020-08-22 05:31:02,437 INFO L226 Difference]: Without dead ends: 1866 [2020-08-22 05:31:02,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-22 05:31:02,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1866 states. [2020-08-22 05:31:02,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1866 to 1545. [2020-08-22 05:31:02,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1545 states. [2020-08-22 05:31:02,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2094 transitions. [2020-08-22 05:31:02,576 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2094 transitions. Word has length 154 [2020-08-22 05:31:02,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:31:02,576 INFO L479 AbstractCegarLoop]: Abstraction has 1545 states and 2094 transitions. [2020-08-22 05:31:02,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 05:31:02,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2094 transitions. [2020-08-22 05:31:02,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-08-22 05:31:02,591 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:31:02,592 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:31:02,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 05:31:02,593 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:31:02,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:31:02,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1282216505, now seen corresponding path program 1 times [2020-08-22 05:31:02,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:31:02,595 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [233992100] [2020-08-22 05:31:02,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:31:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:02,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:31:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:02,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 05:31:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:02,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 05:31:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:02,924 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-22 05:31:02,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [233992100] [2020-08-22 05:31:02,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:31:02,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 05:31:02,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901147649] [2020-08-22 05:31:02,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 05:31:02,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:31:02,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 05:31:02,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-22 05:31:02,927 INFO L87 Difference]: Start difference. First operand 1545 states and 2094 transitions. Second operand 7 states. [2020-08-22 05:31:05,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:31:05,654 INFO L93 Difference]: Finished difference Result 7540 states and 10695 transitions. [2020-08-22 05:31:05,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 05:31:05,655 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 167 [2020-08-22 05:31:05,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:31:05,697 INFO L225 Difference]: With dead ends: 7540 [2020-08-22 05:31:05,698 INFO L226 Difference]: Without dead ends: 6001 [2020-08-22 05:31:05,706 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2020-08-22 05:31:05,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6001 states. [2020-08-22 05:31:05,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6001 to 5673. [2020-08-22 05:31:05,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5673 states. [2020-08-22 05:31:05,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5673 states to 5673 states and 7856 transitions. [2020-08-22 05:31:05,919 INFO L78 Accepts]: Start accepts. Automaton has 5673 states and 7856 transitions. Word has length 167 [2020-08-22 05:31:05,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:31:05,921 INFO L479 AbstractCegarLoop]: Abstraction has 5673 states and 7856 transitions. [2020-08-22 05:31:05,921 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 05:31:05,921 INFO L276 IsEmpty]: Start isEmpty. Operand 5673 states and 7856 transitions. [2020-08-22 05:31:05,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-08-22 05:31:05,938 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:31:05,939 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:31:05,939 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 05:31:05,939 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:31:05,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:31:05,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1887045313, now seen corresponding path program 1 times [2020-08-22 05:31:05,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:31:05,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [462419721] [2020-08-22 05:31:05,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:31:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:06,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:31:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:06,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 05:31:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:06,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 05:31:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:06,126 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 05:31:06,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [462419721] [2020-08-22 05:31:06,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:31:06,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 05:31:06,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315821623] [2020-08-22 05:31:06,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 05:31:06,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:31:06,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 05:31:06,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 05:31:06,130 INFO L87 Difference]: Start difference. First operand 5673 states and 7856 transitions. Second operand 7 states. [2020-08-22 05:31:07,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:31:07,613 INFO L93 Difference]: Finished difference Result 11131 states and 15877 transitions. [2020-08-22 05:31:07,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 05:31:07,614 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 171 [2020-08-22 05:31:07,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:31:07,652 INFO L225 Difference]: With dead ends: 11131 [2020-08-22 05:31:07,652 INFO L226 Difference]: Without dead ends: 5464 [2020-08-22 05:31:07,673 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 [2020-08-22 05:31:07,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5464 states. [2020-08-22 05:31:07,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5464 to 5254. [2020-08-22 05:31:07,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5254 states. [2020-08-22 05:31:07,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5254 states to 5254 states and 6737 transitions. [2020-08-22 05:31:07,852 INFO L78 Accepts]: Start accepts. Automaton has 5254 states and 6737 transitions. Word has length 171 [2020-08-22 05:31:07,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:31:07,853 INFO L479 AbstractCegarLoop]: Abstraction has 5254 states and 6737 transitions. [2020-08-22 05:31:07,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 05:31:07,853 INFO L276 IsEmpty]: Start isEmpty. Operand 5254 states and 6737 transitions. [2020-08-22 05:31:07,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-08-22 05:31:07,869 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:31:07,870 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:31:07,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 05:31:07,871 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:31:07,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:31:07,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1742257649, now seen corresponding path program 1 times [2020-08-22 05:31:07,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:31:07,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1063979706] [2020-08-22 05:31:07,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:31:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:08,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:31:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:08,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 05:31:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:08,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 05:31:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:08,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 05:31:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:08,171 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 87 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-08-22 05:31:08,172 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1063979706] [2020-08-22 05:31:08,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:31:08,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-22 05:31:08,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050747801] [2020-08-22 05:31:08,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 05:31:08,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:31:08,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 05:31:08,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-22 05:31:08,183 INFO L87 Difference]: Start difference. First operand 5254 states and 6737 transitions. Second operand 9 states. [2020-08-22 05:31:11,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:31:11,197 INFO L93 Difference]: Finished difference Result 10173 states and 13051 transitions. [2020-08-22 05:31:11,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 05:31:11,202 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 197 [2020-08-22 05:31:11,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:31:11,223 INFO L225 Difference]: With dead ends: 10173 [2020-08-22 05:31:11,223 INFO L226 Difference]: Without dead ends: 4481 [2020-08-22 05:31:11,236 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-08-22 05:31:11,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4481 states. [2020-08-22 05:31:11,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4481 to 4039. [2020-08-22 05:31:11,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4039 states. [2020-08-22 05:31:11,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4039 states to 4039 states and 4891 transitions. [2020-08-22 05:31:11,375 INFO L78 Accepts]: Start accepts. Automaton has 4039 states and 4891 transitions. Word has length 197 [2020-08-22 05:31:11,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:31:11,376 INFO L479 AbstractCegarLoop]: Abstraction has 4039 states and 4891 transitions. [2020-08-22 05:31:11,376 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 05:31:11,377 INFO L276 IsEmpty]: Start isEmpty. Operand 4039 states and 4891 transitions. [2020-08-22 05:31:11,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-08-22 05:31:11,389 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:31:11,389 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:31:11,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 05:31:11,390 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:31:11,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:31:11,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1025523057, now seen corresponding path program 1 times [2020-08-22 05:31:11,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:31:11,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2066539285] [2020-08-22 05:31:11,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:31:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:11,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:31:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:11,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 05:31:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:11,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 05:31:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:11,753 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 78 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 05:31:11,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2066539285] [2020-08-22 05:31:11,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:31:11,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-22 05:31:11,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424805836] [2020-08-22 05:31:11,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 05:31:11,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:31:11,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 05:31:11,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-22 05:31:11,759 INFO L87 Difference]: Start difference. First operand 4039 states and 4891 transitions. Second operand 9 states. [2020-08-22 05:31:13,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:31:13,905 INFO L93 Difference]: Finished difference Result 9138 states and 11177 transitions. [2020-08-22 05:31:13,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 05:31:13,906 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 213 [2020-08-22 05:31:13,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:31:13,928 INFO L225 Difference]: With dead ends: 9138 [2020-08-22 05:31:13,929 INFO L226 Difference]: Without dead ends: 5249 [2020-08-22 05:31:13,939 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-08-22 05:31:13,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5249 states. [2020-08-22 05:31:14,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5249 to 4655. [2020-08-22 05:31:14,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4655 states. [2020-08-22 05:31:14,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4655 states to 4655 states and 5544 transitions. [2020-08-22 05:31:14,062 INFO L78 Accepts]: Start accepts. Automaton has 4655 states and 5544 transitions. Word has length 213 [2020-08-22 05:31:14,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:31:14,063 INFO L479 AbstractCegarLoop]: Abstraction has 4655 states and 5544 transitions. [2020-08-22 05:31:14,063 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 05:31:14,063 INFO L276 IsEmpty]: Start isEmpty. Operand 4655 states and 5544 transitions. [2020-08-22 05:31:14,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-08-22 05:31:14,077 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:31:14,077 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:31:14,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 05:31:14,077 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:31:14,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:31:14,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1559618823, now seen corresponding path program 1 times [2020-08-22 05:31:14,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:31:14,079 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1849254562] [2020-08-22 05:31:14,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:31:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:14,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:31:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:14,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 05:31:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:14,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 05:31:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:14,365 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 05:31:14,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1849254562] [2020-08-22 05:31:14,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:31:14,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-22 05:31:14,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449987611] [2020-08-22 05:31:14,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 05:31:14,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:31:14,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 05:31:14,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 05:31:14,369 INFO L87 Difference]: Start difference. First operand 4655 states and 5544 transitions. Second operand 8 states. [2020-08-22 05:31:16,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:31:16,733 INFO L93 Difference]: Finished difference Result 9170 states and 10928 transitions. [2020-08-22 05:31:16,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 05:31:16,734 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2020-08-22 05:31:16,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:31:16,763 INFO L225 Difference]: With dead ends: 9170 [2020-08-22 05:31:16,763 INFO L226 Difference]: Without dead ends: 3736 [2020-08-22 05:31:16,776 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-08-22 05:31:16,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2020-08-22 05:31:16,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 3436. [2020-08-22 05:31:16,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3436 states. [2020-08-22 05:31:16,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3436 states to 3436 states and 3745 transitions. [2020-08-22 05:31:16,881 INFO L78 Accepts]: Start accepts. Automaton has 3436 states and 3745 transitions. Word has length 217 [2020-08-22 05:31:16,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:31:16,882 INFO L479 AbstractCegarLoop]: Abstraction has 3436 states and 3745 transitions. [2020-08-22 05:31:16,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 05:31:16,882 INFO L276 IsEmpty]: Start isEmpty. Operand 3436 states and 3745 transitions. [2020-08-22 05:31:16,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-08-22 05:31:16,892 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:31:16,893 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 05:31:16,894 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 05:31:16,897 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:31:16,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:31:16,897 INFO L82 PathProgramCache]: Analyzing trace with hash 836626846, now seen corresponding path program 1 times [2020-08-22 05:31:16,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:31:16,898 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [572941281] [2020-08-22 05:31:16,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:31:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:17,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:31:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:17,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 05:31:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:17,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 05:31:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:17,338 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 95 proven. 11 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-08-22 05:31:17,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [572941281] [2020-08-22 05:31:17,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:31:17,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-22 05:31:17,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468435252] [2020-08-22 05:31:17,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 05:31:17,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:31:17,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 05:31:17,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-08-22 05:31:17,341 INFO L87 Difference]: Start difference. First operand 3436 states and 3745 transitions. Second operand 8 states. [2020-08-22 05:31:19,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:31:19,111 INFO L93 Difference]: Finished difference Result 6858 states and 7522 transitions. [2020-08-22 05:31:19,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 05:31:19,111 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 238 [2020-08-22 05:31:19,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:31:19,112 INFO L225 Difference]: With dead ends: 6858 [2020-08-22 05:31:19,113 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 05:31:19,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-08-22 05:31:19,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 05:31:19,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 05:31:19,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 05:31:19,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 05:31:19,131 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 238 [2020-08-22 05:31:19,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:31:19,132 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 05:31:19,132 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 05:31:19,132 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 05:31:19,133 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 05:31:19,133 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 05:31:19,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 05:31:19,764 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 140 [2020-08-22 05:31:19,951 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 140 [2020-08-22 05:31:20,121 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 34 [2020-08-22 05:31:21,563 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 218 DAG size of output: 72 [2020-08-22 05:31:21,998 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 57 [2020-08-22 05:31:22,408 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 57 [2020-08-22 05:31:22,412 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 05:31:22,413 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-08-22 05:31:22,413 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 05:31:22,413 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,414 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,414 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,414 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,414 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,414 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-22 05:31:22,415 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-22 05:31:22,415 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-22 05:31:22,415 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-22 05:31:22,415 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-22 05:31:22,415 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-22 05:31:22,416 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-22 05:31:22,416 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-22 05:31:22,416 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-22 05:31:22,416 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-22 05:31:22,416 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-22 05:31:22,416 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-22 05:31:22,417 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-22 05:31:22,417 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,417 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,417 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,417 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,417 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-22 05:31:22,417 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,417 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-22 05:31:22,417 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-22 05:31:22,418 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-22 05:31:22,418 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-22 05:31:22,418 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-22 05:31:22,418 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-22 05:31:22,418 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-22 05:31:22,418 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-22 05:31:22,418 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-22 05:31:22,418 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-22 05:31:22,418 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-22 05:31:22,419 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-22 05:31:22,419 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-22 05:31:22,419 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-22 05:31:22,419 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-22 05:31:22,419 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,419 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,419 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,420 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,420 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,420 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 550) no Hoare annotation was computed. [2020-08-22 05:31:22,420 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-22 05:31:22,420 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-22 05:31:22,420 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-22 05:31:22,420 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-22 05:31:22,421 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-22 05:31:22,421 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-22 05:31:22,421 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-22 05:31:22,421 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-22 05:31:22,421 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-22 05:31:22,421 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-22 05:31:22,421 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-22 05:31:22,421 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,422 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,422 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,422 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,422 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,422 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-22 05:31:22,422 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-22 05:31:22,422 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-22 05:31:22,422 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-22 05:31:22,423 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-22 05:31:22,423 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-22 05:31:22,423 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-22 05:31:22,423 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-22 05:31:22,423 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-22 05:31:22,423 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-22 05:31:22,423 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-22 05:31:22,423 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-22 05:31:22,423 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-22 05:31:22,424 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,424 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,424 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,424 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,424 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,424 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-22 05:31:22,424 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-22 05:31:22,424 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-22 05:31:22,425 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-22 05:31:22,425 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-22 05:31:22,425 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-22 05:31:22,425 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-22 05:31:22,425 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-22 05:31:22,425 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-22 05:31:22,425 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-22 05:31:22,425 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-22 05:31:22,425 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-22 05:31:22,426 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-22 05:31:22,426 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-22 05:31:22,426 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-22 05:31:22,426 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-22 05:31:22,426 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,426 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,426 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,426 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,427 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-22 05:31:22,427 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,427 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-22 05:31:22,427 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,427 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-22 05:31:22,427 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-22 05:31:22,427 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-22 05:31:22,427 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,427 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,428 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-22 05:31:22,428 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-22 05:31:22,428 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-22 05:31:22,428 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-22 05:31:22,428 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-22 05:31:22,428 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-22 05:31:22,428 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-22 05:31:22,428 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-22 05:31:22,429 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-22 05:31:22,429 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-22 05:31:22,429 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-22 05:31:22,429 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,429 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,429 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,429 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,429 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,430 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,430 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-22 05:31:22,430 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-22 05:31:22,430 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-22 05:31:22,430 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-22 05:31:22,430 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-22 05:31:22,430 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-22 05:31:22,431 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-22 05:31:22,431 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-22 05:31:22,431 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-22 05:31:22,431 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-22 05:31:22,431 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-22 05:31:22,431 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,431 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,431 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,432 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,432 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,432 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,432 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-22 05:31:22,432 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-22 05:31:22,432 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-22 05:31:22,432 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-22 05:31:22,432 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-22 05:31:22,433 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-22 05:31:22,433 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-22 05:31:22,433 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-22 05:31:22,433 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-22 05:31:22,433 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-22 05:31:22,433 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-22 05:31:22,433 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-22 05:31:22,433 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-22 05:31:22,434 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-22 05:31:22,434 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,434 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,434 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,434 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse11 (= ~a25~0 1)) (.cse9 (= ~a19~0 1)) (.cse10 (= ~a17~0 8)) (.cse7 (= ~a28~0 |old(~a28~0)|)) (.cse8 (= ~a11~0 |old(~a11~0)|)) (.cse21 (= ~a25~0 |old(~a25~0)|)) (.cse22 (= ~a19~0 |old(~a19~0)|))) (let ((.cse2 (and .cse7 (= ~a17~0 |old(~a17~0)|) .cse8 .cse21 .cse22)) (.cse3 (not (<= |old(~a17~0)| 7))) (.cse14 (and .cse7 .cse8 .cse9 .cse21 .cse10)) (.cse1 (not (= |old(~a19~0)| 1))) (.cse4 (not (= |old(~a25~0)| 1))) (.cse19 (and .cse7 .cse8 .cse10 .cse11 .cse22)) (.cse5 (= 11 |old(~a28~0)|)) (.cse6 (= 9 |old(~a28~0)|)) (.cse13 (= |old(~a17~0)| |old(~a28~0)|)) (.cse0 (not (<= |old(~a28~0)| 7))) (.cse20 (and .cse7 .cse8 .cse21 .cse10 .cse22)) (.cse12 (not (= 8 |old(~a17~0)|))) (.cse15 (not (<= |old(~a28~0)| 9))) (.cse17 (not (<= |old(~a25~0)| 0))) (.cse18 (= |old(~a11~0)| 1)) (.cse16 (not (= ~a21~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 (and .cse7 .cse8 .cse9 .cse10 .cse11) .cse12 .cse13) (or .cse1 .cse14 .cse5 .cse12 .cse15 .cse16 .cse13) (or .cse2 .cse3 .cse15 .cse16 .cse13) (or .cse2 .cse5 .cse3 .cse17 .cse13) (or .cse1 .cse14 .cse5 .cse12 .cse18 (not (<= 10 |old(~a28~0)|))) (or .cse4 .cse1 .cse19 .cse12 .cse18 .cse16) (or .cse4 .cse19 .cse5 .cse6 .cse12 .cse16 .cse13) (or .cse0 .cse20 .cse12 .cse16) (or .cse20 .cse12 .cse15 .cse17 .cse18 .cse16)))) [2020-08-22 05:31:22,435 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,435 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,435 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,435 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-22 05:31:22,435 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-22 05:31:22,435 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-22 05:31:22,435 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-22 05:31:22,435 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-22 05:31:22,436 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-22 05:31:22,436 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-22 05:31:22,436 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-22 05:31:22,436 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-22 05:31:22,436 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-22 05:31:22,436 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-22 05:31:22,436 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-22 05:31:22,436 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-22 05:31:22,437 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,437 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,437 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,437 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,437 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,437 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,437 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-22 05:31:22,437 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-22 05:31:22,437 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-22 05:31:22,438 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-22 05:31:22,438 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-22 05:31:22,438 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-22 05:31:22,438 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-22 05:31:22,438 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-22 05:31:22,438 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-22 05:31:22,438 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-22 05:31:22,438 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-22 05:31:22,439 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-22 05:31:22,439 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-22 05:31:22,439 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-22 05:31:22,439 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-22 05:31:22,439 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-22 05:31:22,439 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,439 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,439 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,439 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,440 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 05:31:22,440 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-22 05:31:22,440 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-22 05:31:22,440 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-22 05:31:22,440 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-22 05:31:22,440 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-22 05:31:22,440 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-22 05:31:22,440 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-22 05:31:22,440 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-22 05:31:22,441 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-22 05:31:22,441 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-22 05:31:22,441 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-22 05:31:22,441 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-22 05:31:22,441 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-22 05:31:22,441 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-22 05:31:22,441 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-22 05:31:22,441 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-22 05:31:22,442 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-22 05:31:22,442 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-22 05:31:22,442 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-22 05:31:22,442 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 05:31:22,442 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (= ~a19~0 1) (= ~a21~0 1) (= ~a17~0 8) (<= ~a28~0 7) (<= ~a25~0 0)) [2020-08-22 05:31:22,442 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 05:31:22,442 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 05:31:22,442 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (not (= ~a21~0 1)) (not (<= |old(~a11~0)| 0))) [2020-08-22 05:31:22,443 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse7 (<= ~a28~0 9)) (.cse4 (= ~a19~0 1)) (.cse2 (= ~a25~0 1)) (.cse8 (not (= ~a11~0 1))) (.cse1 (= ~a17~0 8)) (.cse5 (<= ~a28~0 7)) (.cse0 (not (= ~a28~0 ~a17~0))) (.cse6 (<= ~a17~0 7)) (.cse9 (<= ~a25~0 0)) (.cse3 (not (= ~a28~0 11)))) (or (not (= |old(~a19~0)| 1)) (and (not (= ~a28~0 9)) .cse0 .cse1 .cse2 .cse3) (not (= 8 |old(~a17~0)|)) (and .cse4 .cse5 .cse6) (not (<= |old(~a25~0)| 0)) (and .cse0 .cse4 .cse7 (<= ~a17~0 8)) (and .cse1 .cse8 .cse7 .cse9) (and .cse0 .cse7 .cse6) (not (<= |old(~a28~0)| 7)) (and .cse4 (<= 10 ~a28~0) .cse1 .cse8 .cse3) (and .cse4 .cse1 .cse2 .cse8) (and .cse1 .cse5) (not (= ~a21~0 1)) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse6 .cse9 .cse3))) [2020-08-22 05:31:22,443 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-22 05:31:22,443 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-22 05:31:22,443 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse7 (<= ~a28~0 9)) (.cse4 (= ~a19~0 1)) (.cse2 (= ~a25~0 1)) (.cse8 (not (= ~a11~0 1))) (.cse1 (= ~a17~0 8)) (.cse5 (<= ~a28~0 7)) (.cse0 (not (= ~a28~0 ~a17~0))) (.cse6 (<= ~a17~0 7)) (.cse9 (<= ~a25~0 0)) (.cse3 (not (= ~a28~0 11)))) (or (not (= |old(~a19~0)| 1)) (and (not (= ~a28~0 9)) .cse0 .cse1 .cse2 .cse3) (not (= 8 |old(~a17~0)|)) (and .cse4 .cse5 .cse6) (not (<= |old(~a25~0)| 0)) (and .cse0 .cse4 .cse7 (<= ~a17~0 8)) (and .cse1 .cse8 .cse7 .cse9) (and .cse0 .cse7 .cse6) (not (<= |old(~a28~0)| 7)) (and .cse4 (<= 10 ~a28~0) .cse1 .cse8 .cse3) (and .cse4 .cse1 .cse2 .cse8) (and .cse1 .cse5) (not (= ~a21~0 1)) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse6 .cse9 .cse3))) [2020-08-22 05:31:22,443 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-22 05:31:22,444 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-22 05:31:22,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 05:31:22 BoogieIcfgContainer [2020-08-22 05:31:22,467 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 05:31:22,469 INFO L168 Benchmark]: Toolchain (without parser) took 30306.64 ms. Allocated memory was 145.8 MB in the beginning and 663.7 MB in the end (delta: 518.0 MB). Free memory was 100.0 MB in the beginning and 601.0 MB in the end (delta: -501.0 MB). Peak memory consumption was 488.0 MB. Max. memory is 7.1 GB. [2020-08-22 05:31:22,470 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 05:31:22,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 930.04 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 99.8 MB in the beginning and 171.2 MB in the end (delta: -71.4 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2020-08-22 05:31:22,472 INFO L168 Benchmark]: Boogie Preprocessor took 117.58 ms. Allocated memory is still 204.5 MB. Free memory was 171.2 MB in the beginning and 166.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-08-22 05:31:22,473 INFO L168 Benchmark]: RCFGBuilder took 1335.84 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 166.1 MB in the beginning and 181.2 MB in the end (delta: -15.1 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2020-08-22 05:31:22,474 INFO L168 Benchmark]: TraceAbstraction took 27917.37 ms. Allocated memory was 235.9 MB in the beginning and 663.7 MB in the end (delta: 427.8 MB). Free memory was 181.2 MB in the beginning and 601.0 MB in the end (delta: -419.8 MB). Peak memory consumption was 479.1 MB. Max. memory is 7.1 GB. [2020-08-22 05:31:22,478 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 930.04 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 99.8 MB in the beginning and 171.2 MB in the end (delta: -71.4 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.58 ms. Allocated memory is still 204.5 MB. Free memory was 171.2 MB in the beginning and 166.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1335.84 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 166.1 MB in the beginning and 181.2 MB in the end (delta: -15.1 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27917.37 ms. Allocated memory was 235.9 MB in the beginning and 663.7 MB in the end (delta: 427.8 MB). Free memory was 181.2 MB in the beginning and 601.0 MB in the end (delta: -419.8 MB). Peak memory consumption was 479.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 550]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((((((!(\old(a19) == 1) || ((((!(a28 == 9) && !(a28 == a17)) && a17 == 8) && a25 == 1) && !(a28 == 11))) || !(8 == \old(a17))) || ((a19 == 1 && a28 <= 7) && a17 <= 7)) || !(\old(a25) <= 0)) || (((!(a28 == a17) && a19 == 1) && a28 <= 9) && a17 <= 8)) || (((a17 == 8 && !(a11 == 1)) && a28 <= 9) && a25 <= 0)) || ((!(a28 == a17) && a28 <= 9) && a17 <= 7)) || !(\old(a28) <= 7)) || ((((a19 == 1 && 10 <= a28) && a17 == 8) && !(a11 == 1)) && !(a28 == 11))) || (((a19 == 1 && a17 == 8) && a25 == 1) && !(a11 == 1))) || (a17 == 8 && a28 <= 7)) || !(a21 == 1)) || !(\old(a11) <= 0)) || (((!(a28 == a17) && a17 <= 7) && a25 <= 0) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.5s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 20.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 9124 SDslu, 496 SDs, 0 SdLazy, 10178 SolverSat, 2285 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5673occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 2354 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 209 PreInvPairs, 275 NumberOfFragments, 751 HoareAnnotationTreeSize, 209 FomulaSimplifications, 37281 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6226 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1629 NumberOfCodeBlocks, 1629 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1620 ConstructedInterpolants, 0 QuantifiedInterpolants, 946785 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 485/522 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...