/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --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_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:25:48,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:25:48,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:25:48,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:25:48,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:25:48,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:25:48,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:25:48,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:25:48,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:25:48,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:25:48,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:25:48,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:25:48,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:25:48,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:25:48,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:25:48,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:25:48,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:25:48,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:25:48,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:25:48,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:25:48,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:25:48,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:25:48,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:25:48,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:25:48,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:25:48,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:25:48,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:25:48,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:25:48,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:25:48,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:25:48,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:25:48,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:25:48,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:25:48,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:25:48,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:25:48,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:25:48,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:25:48,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:25:48,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:25:48,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:25:48,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:25:48,688 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:25:48,714 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:25:48,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:25:48,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:25:48,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:25:48,717 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:25:48,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:25:48,717 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:25:48,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:25:48,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:25:48,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:25:48,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:25:48,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:25:48,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:25:48,718 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:25:48,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:25:48,719 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:25:48,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:25:48,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:25:48,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:25:48,720 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:25:48,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:25:48,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:25:48,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:25:48,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:25:48,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:25:48,721 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:25:48,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:25:48,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:25:48,722 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:25:48,722 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:25:49,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:25:49,224 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:25:49,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:25:49,230 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:25:49,231 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:25:49,232 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label11.c [2020-09-21 11:25:49,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/10656637c/fc0a6336a10f4fd69b09e7d0e50bd9fe/FLAG3d5a092c5 [2020-09-21 11:25:50,023 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:25:50,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label11.c [2020-09-21 11:25:50,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/10656637c/fc0a6336a10f4fd69b09e7d0e50bd9fe/FLAG3d5a092c5 [2020-09-21 11:25:50,223 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/10656637c/fc0a6336a10f4fd69b09e7d0e50bd9fe [2020-09-21 11:25:50,236 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:25:50,241 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:25:50,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:25:50,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:25:50,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:25:50,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:25:50" (1/1) ... [2020-09-21 11:25:50,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6251f5ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:50, skipping insertion in model container [2020-09-21 11:25:50,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:25:50" (1/1) ... [2020-09-21 11:25:50,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:25:50,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:25:50,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:25:50,986 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:25:51,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:25:51,102 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:25:51,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:51 WrapperNode [2020-09-21 11:25:51,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:25:51,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:25:51,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:25:51,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:25:51,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:51" (1/1) ... [2020-09-21 11:25:51,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:51" (1/1) ... [2020-09-21 11:25:51,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:51" (1/1) ... [2020-09-21 11:25:51,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:51" (1/1) ... [2020-09-21 11:25:51,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:51" (1/1) ... [2020-09-21 11:25:51,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:51" (1/1) ... [2020-09-21 11:25:51,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:51" (1/1) ... [2020-09-21 11:25:51,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:25:51,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:25:51,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:25:51,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:25:51,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:51" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:25:51,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:25:51,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:25:51,339 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 11:25:51,339 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:25:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 11:25:51,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:25:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:25:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:25:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:25:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:25:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:25:52,551 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:25:52,551 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 11:25:52,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:25:52 BoogieIcfgContainer [2020-09-21 11:25:52,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:25:52,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:25:52,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:25:52,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:25:52,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:25:50" (1/3) ... [2020-09-21 11:25:52,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcbcc3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:25:52, skipping insertion in model container [2020-09-21 11:25:52,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:51" (2/3) ... [2020-09-21 11:25:52,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcbcc3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:25:52, skipping insertion in model container [2020-09-21 11:25:52,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:25:52" (3/3) ... [2020-09-21 11:25:52,569 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label11.c [2020-09-21 11:25:52,582 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:25:52,593 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:25:52,617 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:25:52,653 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:25:52,653 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:25:52,653 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:25:52,653 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:25:52,653 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:25:52,654 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:25:52,654 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:25:52,654 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:25:52,684 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-09-21 11:25:52,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-09-21 11:25:52,699 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:52,701 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] [2020-09-21 11:25:52,701 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:52,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:52,710 INFO L82 PathProgramCache]: Analyzing trace with hash 341704158, now seen corresponding path program 1 times [2020-09-21 11:25:52,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:52,723 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1666048868] [2020-09-21 11:25:52,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:53,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:53,129 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:53,129 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:53,129 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:53,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-09-21 11:25:53,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:53,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-21 11:25:53,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:53,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:25:53,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:25:53,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-21 11:25:53,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:53,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:53,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:53,440 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:53,441 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:53,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:53,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:53,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:53,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:25:53,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:53,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:53,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:53,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:25:53,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:53,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:25:53,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1666048868] [2020-09-21 11:25:53,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:25:53,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:25:53,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628665670] [2020-09-21 11:25:53,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:25:53,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:53,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:25:53,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:25:53,538 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-09-21 11:25:56,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:56,109 INFO L93 Difference]: Finished difference Result 813 states and 1406 transitions. [2020-09-21 11:25:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:25:56,113 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 114 [2020-09-21 11:25:56,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:56,137 INFO L225 Difference]: With dead ends: 813 [2020-09-21 11:25:56,137 INFO L226 Difference]: Without dead ends: 488 [2020-09-21 11:25:56,147 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 [2020-09-21 11:25:56,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-09-21 11:25:56,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 481. [2020-09-21 11:25:56,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-09-21 11:25:56,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 692 transitions. [2020-09-21 11:25:56,255 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 692 transitions. Word has length 114 [2020-09-21 11:25:56,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:56,256 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 692 transitions. [2020-09-21 11:25:56,256 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:25:56,257 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 692 transitions. [2020-09-21 11:25:56,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-09-21 11:25:56,263 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:56,264 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] [2020-09-21 11:25:56,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:25:56,265 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:56,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:56,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1958574535, now seen corresponding path program 1 times [2020-09-21 11:25:56,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:56,266 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1450990078] [2020-09-21 11:25:56,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:56,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:56,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:56,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:56,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:56,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-21 11:25:56,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:56,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:25:56,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:56,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:56,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 11:25:56,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-21 11:25:56,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:56,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:56,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:56,540 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:56,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:56,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:56,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:56,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:56,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:25:56,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:56,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:56,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:56,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:56,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:56,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:56,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:56,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:56,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:56,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:56,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:25:56,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:56,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:25:56,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:56,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:56,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:56,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:25:56,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:56,627 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:25:56,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1450990078] [2020-09-21 11:25:56,629 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:56,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:25:56,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598425069] [2020-09-21 11:25:56,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:25:56,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:56,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:25:56,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:25:56,649 INFO L87 Difference]: Start difference. First operand 481 states and 692 transitions. Second operand 5 states. [2020-09-21 11:25:58,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:58,113 INFO L93 Difference]: Finished difference Result 1402 states and 2060 transitions. [2020-09-21 11:25:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:25:58,118 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2020-09-21 11:25:58,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:58,130 INFO L225 Difference]: With dead ends: 1402 [2020-09-21 11:25:58,130 INFO L226 Difference]: Without dead ends: 927 [2020-09-21 11:25:58,132 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:25:58,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2020-09-21 11:25:58,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 920. [2020-09-21 11:25:58,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2020-09-21 11:25:58,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1270 transitions. [2020-09-21 11:25:58,202 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1270 transitions. Word has length 122 [2020-09-21 11:25:58,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:58,203 INFO L479 AbstractCegarLoop]: Abstraction has 920 states and 1270 transitions. [2020-09-21 11:25:58,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:25:58,203 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1270 transitions. [2020-09-21 11:25:58,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-09-21 11:25:58,211 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:58,211 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] [2020-09-21 11:25:58,212 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:25:58,212 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:58,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:58,212 INFO L82 PathProgramCache]: Analyzing trace with hash 2078659318, now seen corresponding path program 1 times [2020-09-21 11:25:58,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:58,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [405590791] [2020-09-21 11:25:58,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:58,270 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:58,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:58,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:58,271 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:58,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-09-21 11:25:58,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:58,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:25:58,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:58,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:25:58,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:25:58,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-21 11:25:58,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:58,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:58,378 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:58,378 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:58,378 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:58,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:58,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:58,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:58,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:25:58,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:58,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:58,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:58,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:25:58,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:58,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:58,425 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:58,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:58,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:58,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:58,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 11:25:58,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:58,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:25:58,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:58,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:58,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:25:58,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:25:58,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:58,504 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:25:58,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [405590791] [2020-09-21 11:25:58,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:25:58,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:25:58,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097441368] [2020-09-21 11:25:58,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:25:58,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:58,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:25:58,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:25:58,508 INFO L87 Difference]: Start difference. First operand 920 states and 1270 transitions. Second operand 8 states. [2020-09-21 11:26:01,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:01,021 INFO L93 Difference]: Finished difference Result 3345 states and 4740 transitions. [2020-09-21 11:26:01,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:26:01,024 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 136 [2020-09-21 11:26:01,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:01,044 INFO L225 Difference]: With dead ends: 3345 [2020-09-21 11:26:01,045 INFO L226 Difference]: Without dead ends: 2431 [2020-09-21 11:26:01,050 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:26:01,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2431 states. [2020-09-21 11:26:01,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2431 to 2421. [2020-09-21 11:26:01,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2421 states. [2020-09-21 11:26:01,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2421 states to 2421 states and 3074 transitions. [2020-09-21 11:26:01,171 INFO L78 Accepts]: Start accepts. Automaton has 2421 states and 3074 transitions. Word has length 136 [2020-09-21 11:26:01,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:01,172 INFO L479 AbstractCegarLoop]: Abstraction has 2421 states and 3074 transitions. [2020-09-21 11:26:01,172 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:26:01,172 INFO L276 IsEmpty]: Start isEmpty. Operand 2421 states and 3074 transitions. [2020-09-21 11:26:01,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-21 11:26:01,183 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:01,184 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] [2020-09-21 11:26:01,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:26:01,188 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:01,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:01,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1845816671, now seen corresponding path program 1 times [2020-09-21 11:26:01,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:01,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [372165724] [2020-09-21 11:26:01,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:01,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-21 11:26:01,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -42 [2020-09-21 11:26:01,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 42 [2020-09-21 11:26:01,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:01,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-09-21 11:26:01,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:01,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 11:26:01,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:01,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:01,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:26:01,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-21 11:26:01,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:01,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:01,482 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:01,482 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:01,483 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:01,483 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:01,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:01,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:01,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:01,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:01,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:01,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:01,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:01,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:01,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:01,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:01,509 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:01,509 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:01,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:01,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:26:01,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:01,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:01,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:01,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:01,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:01,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:01,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:01,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:26:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:01,528 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:01,529 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:01,529 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:01,529 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:01,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 11:26:01,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:01,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:26:01,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:01,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:01,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:01,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:26:01,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:01,610 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-21 11:26:01,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [372165724] [2020-09-21 11:26:01,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:01,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:26:01,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920606238] [2020-09-21 11:26:01,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:26:01,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:01,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:26:01,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:26:01,615 INFO L87 Difference]: Start difference. First operand 2421 states and 3074 transitions. Second operand 5 states. [2020-09-21 11:26:03,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:03,198 INFO L93 Difference]: Finished difference Result 6775 states and 8790 transitions. [2020-09-21 11:26:03,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:26:03,198 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-21 11:26:03,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:03,229 INFO L225 Difference]: With dead ends: 6775 [2020-09-21 11:26:03,229 INFO L226 Difference]: Without dead ends: 4360 [2020-09-21 11:26:03,237 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:26:03,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4360 states. [2020-09-21 11:26:03,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4360 to 4338. [2020-09-21 11:26:03,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4338 states. [2020-09-21 11:26:03,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4338 states to 4338 states and 5518 transitions. [2020-09-21 11:26:03,433 INFO L78 Accepts]: Start accepts. Automaton has 4338 states and 5518 transitions. Word has length 149 [2020-09-21 11:26:03,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:03,434 INFO L479 AbstractCegarLoop]: Abstraction has 4338 states and 5518 transitions. [2020-09-21 11:26:03,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:26:03,435 INFO L276 IsEmpty]: Start isEmpty. Operand 4338 states and 5518 transitions. [2020-09-21 11:26:03,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-09-21 11:26:03,447 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:03,447 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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] [2020-09-21 11:26:03,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:26:03,448 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:03,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:03,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1995544820, now seen corresponding path program 1 times [2020-09-21 11:26:03,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:03,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1794167873] [2020-09-21 11:26:03,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:03,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:26:03,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -14 [2020-09-21 11:26:03,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 14 [2020-09-21 11:26:03,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:03,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-09-21 11:26:03,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:03,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 11:26:03,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:03,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:03,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-21 11:26:03,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:26:03,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:03,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:03,628 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:03,628 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:03,629 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:03,629 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:03,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:03,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:03,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:03,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:03,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:03,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:03,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:03,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:03,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:03,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:03,668 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:03,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:03,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:03,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:26:03,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:03,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:26:03,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:03,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:03,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:03,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:26:03,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:03,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 11:26:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:03,723 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:03,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:03,726 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:03,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:03,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:26:03,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:03,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 11:26:03,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:03,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:03,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:03,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:26:03,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:26:03,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-21 11:26:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:03,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:03,794 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:03,794 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:03,794 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:03,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 11:26:03,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:03,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:03,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:03,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:03,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-21 11:26:03,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:03,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:03,865 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 50 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-21 11:26:03,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1794167873] [2020-09-21 11:26:03,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:03,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:26:03,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646764603] [2020-09-21 11:26:03,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:26:03,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:03,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:26:03,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:26:03,868 INFO L87 Difference]: Start difference. First operand 4338 states and 5518 transitions. Second operand 8 states. [2020-09-21 11:26:04,870 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-09-21 11:26:06,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:06,052 INFO L93 Difference]: Finished difference Result 9755 states and 12519 transitions. [2020-09-21 11:26:06,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:26:06,052 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 164 [2020-09-21 11:26:06,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:06,075 INFO L225 Difference]: With dead ends: 9755 [2020-09-21 11:26:06,075 INFO L226 Difference]: Without dead ends: 4512 [2020-09-21 11:26:06,089 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:26:06,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4512 states. [2020-09-21 11:26:06,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4512 to 4197. [2020-09-21 11:26:06,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4197 states. [2020-09-21 11:26:06,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4197 states to 4197 states and 4804 transitions. [2020-09-21 11:26:06,208 INFO L78 Accepts]: Start accepts. Automaton has 4197 states and 4804 transitions. Word has length 164 [2020-09-21 11:26:06,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:06,209 INFO L479 AbstractCegarLoop]: Abstraction has 4197 states and 4804 transitions. [2020-09-21 11:26:06,209 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:26:06,209 INFO L276 IsEmpty]: Start isEmpty. Operand 4197 states and 4804 transitions. [2020-09-21 11:26:06,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-09-21 11:26:06,221 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:06,221 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:06,222 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:26:06,222 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:06,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:06,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1702520861, now seen corresponding path program 1 times [2020-09-21 11:26:06,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:06,223 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [888103469] [2020-09-21 11:26:06,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:06,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:06,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:06,300 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:06,300 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:06,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-09-21 11:26:06,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:06,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:26:06,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:06,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:06,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-09-21 11:26:06,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-21 11:26:06,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:06,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:06,382 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:06,382 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:06,382 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:06,383 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:06,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:06,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:06,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:06,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:06,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:06,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:06,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:06,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:06,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:06,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:06,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:06,405 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:06,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:06,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:26:06,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:06,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:06,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:06,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:06,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:06,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:06,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:06,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:26:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:06,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:06,425 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:06,425 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:06,425 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:06,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:26:06,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:06,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:06,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:06,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:06,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:06,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:26:06,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:06,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:26:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:06,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:06,452 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:06,452 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:06,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:06,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 11:26:06,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:06,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:26:06,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:06,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:06,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:06,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-21 11:26:06,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:06,611 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 106 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-21 11:26:06,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [888103469] [2020-09-21 11:26:06,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:06,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:26:06,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664396056] [2020-09-21 11:26:06,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:26:06,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:06,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:26:06,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:06,615 INFO L87 Difference]: Start difference. First operand 4197 states and 4804 transitions. Second operand 7 states. [2020-09-21 11:26:08,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:08,535 INFO L93 Difference]: Finished difference Result 8463 states and 9634 transitions. [2020-09-21 11:26:08,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:26:08,536 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 189 [2020-09-21 11:26:08,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:08,553 INFO L225 Difference]: With dead ends: 8463 [2020-09-21 11:26:08,553 INFO L226 Difference]: Without dead ends: 3964 [2020-09-21 11:26:08,563 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:26:08,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3964 states. [2020-09-21 11:26:08,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3964 to 3797. [2020-09-21 11:26:08,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3797 states. [2020-09-21 11:26:08,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3797 states to 3797 states and 4204 transitions. [2020-09-21 11:26:08,651 INFO L78 Accepts]: Start accepts. Automaton has 3797 states and 4204 transitions. Word has length 189 [2020-09-21 11:26:08,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:08,651 INFO L479 AbstractCegarLoop]: Abstraction has 3797 states and 4204 transitions. [2020-09-21 11:26:08,651 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:26:08,651 INFO L276 IsEmpty]: Start isEmpty. Operand 3797 states and 4204 transitions. [2020-09-21 11:26:08,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-21 11:26:08,662 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:08,663 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:08,663 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:26:08,663 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:08,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:08,664 INFO L82 PathProgramCache]: Analyzing trace with hash -287296463, now seen corresponding path program 1 times [2020-09-21 11:26:08,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:08,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [622864998] [2020-09-21 11:26:08,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:08,771 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:08,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:08,772 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:08,772 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:08,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-09-21 11:26:08,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:08,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 11:26:08,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:08,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:26:08,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:26:08,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-21 11:26:08,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:08,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:08,887 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:08,887 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:08,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:08,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:08,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:08,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:08,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:26:08,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:08,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:08,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:08,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:26:08,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:08,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:08,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:08,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:08,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:08,929 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:08,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:26:08,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:08,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:08,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:08,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:08,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:08,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 11:26:08,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:08,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:26:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:08,950 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:08,950 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:08,951 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:08,951 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:08,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:26:08,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:08,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:08,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:08,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:08,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:08,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:26:08,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:08,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:26:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:08,991 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:08,991 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:08,992 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:08,992 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:08,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:26:08,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:08,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:26:08,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:08,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:08,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:08,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:26:08,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:09,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-21 11:26:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:09,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:09,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:09,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:09,032 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:09,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 11:26:09,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:09,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:09,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:09,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:09,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-21 11:26:09,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:09,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:09,083 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 125 proven. 32 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-09-21 11:26:09,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [622864998] [2020-09-21 11:26:09,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:09,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:26:09,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704174552] [2020-09-21 11:26:09,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:26:09,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:09,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:26:09,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:09,087 INFO L87 Difference]: Start difference. First operand 3797 states and 4204 transitions. Second operand 7 states. [2020-09-21 11:26:10,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:10,650 INFO L93 Difference]: Finished difference Result 7642 states and 8664 transitions. [2020-09-21 11:26:10,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:26:10,651 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 218 [2020-09-21 11:26:10,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:10,670 INFO L225 Difference]: With dead ends: 7642 [2020-09-21 11:26:10,670 INFO L226 Difference]: Without dead ends: 4003 [2020-09-21 11:26:10,680 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:26:10,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4003 states. [2020-09-21 11:26:10,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4003 to 3209. [2020-09-21 11:26:10,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3209 states. [2020-09-21 11:26:10,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3209 states to 3209 states and 3496 transitions. [2020-09-21 11:26:10,772 INFO L78 Accepts]: Start accepts. Automaton has 3209 states and 3496 transitions. Word has length 218 [2020-09-21 11:26:10,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:10,772 INFO L479 AbstractCegarLoop]: Abstraction has 3209 states and 3496 transitions. [2020-09-21 11:26:10,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:26:10,772 INFO L276 IsEmpty]: Start isEmpty. Operand 3209 states and 3496 transitions. [2020-09-21 11:26:10,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-09-21 11:26:10,781 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:10,781 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] [2020-09-21 11:26:10,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:26:10,781 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:10,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:10,782 INFO L82 PathProgramCache]: Analyzing trace with hash 638517494, now seen corresponding path program 1 times [2020-09-21 11:26:10,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:10,783 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2005387128] [2020-09-21 11:26:10,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:10,877 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-21 11:26:10,878 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -113 [2020-09-21 11:26:10,878 FATAL L256 erpolLogProxyWrapper]: Difference in width: 113 [2020-09-21 11:26:10,878 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:10,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-09-21 11:26:10,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:10,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:26:10,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:10,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:10,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-09-21 11:26:10,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-21 11:26:10,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:11,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:11,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:11,062 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:11,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:11,062 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:11,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:11,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:11,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:11,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:11,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:11,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:11,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:11,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:11,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:11,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:11,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:11,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:11,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:11,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:26:11,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:11,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:11,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:11,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:11,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:11,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:11,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:11,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:26:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:11,121 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:11,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:11,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:11,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:11,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:26:11,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:11,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:26:11,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:11,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:11,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:11,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-21 11:26:11,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:11,203 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-09-21 11:26:11,204 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2005387128] [2020-09-21 11:26:11,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:11,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:26:11,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717180078] [2020-09-21 11:26:11,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:26:11,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:11,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:26:11,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:26:11,206 INFO L87 Difference]: Start difference. First operand 3209 states and 3496 transitions. Second operand 5 states. [2020-09-21 11:26:12,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:12,401 INFO L93 Difference]: Finished difference Result 6994 states and 7690 transitions. [2020-09-21 11:26:12,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:26:12,408 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 220 [2020-09-21 11:26:12,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:12,409 INFO L225 Difference]: With dead ends: 6994 [2020-09-21 11:26:12,409 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:26:12,420 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:26:12,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:26:12,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:26:12,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:26:12,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:26:12,421 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 220 [2020-09-21 11:26:12,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:12,422 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:26:12,422 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:26:12,422 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:26:12,422 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:26:12,422 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:26:12,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:26:13,886 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 101 [2020-09-21 11:26:14,159 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 101 [2020-09-21 11:26:15,710 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 172 DAG size of output: 71 [2020-09-21 11:26:16,166 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 53 [2020-09-21 11:26:16,552 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 53 [2020-09-21 11:26:16,557 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:26:16,558 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)|)) [2020-09-21 11:26:16,558 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:26:16,559 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,559 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,559 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,559 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,559 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,559 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-09-21 11:26:16,560 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-09-21 11:26:16,560 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-21 11:26:16,560 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-21 11:26:16,560 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-09-21 11:26:16,560 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-09-21 11:26:16,560 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-09-21 11:26:16,561 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-09-21 11:26:16,561 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-09-21 11:26:16,561 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-09-21 11:26:16,561 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-09-21 11:26:16,561 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-09-21 11:26:16,561 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-09-21 11:26:16,561 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,562 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,562 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,562 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,562 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-09-21 11:26:16,562 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,562 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-09-21 11:26:16,562 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-21 11:26:16,562 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-21 11:26:16,563 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-21 11:26:16,563 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-09-21 11:26:16,563 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-09-21 11:26:16,563 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-09-21 11:26:16,563 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-09-21 11:26:16,563 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-09-21 11:26:16,563 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-09-21 11:26:16,564 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-09-21 11:26:16,564 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-09-21 11:26:16,564 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-09-21 11:26:16,564 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-09-21 11:26:16,564 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-09-21 11:26:16,564 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,565 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,565 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,565 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,565 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,565 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2020-09-21 11:26:16,565 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-09-21 11:26:16,566 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-09-21 11:26:16,566 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-09-21 11:26:16,566 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-21 11:26:16,566 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-09-21 11:26:16,566 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-09-21 11:26:16,566 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-09-21 11:26:16,566 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-09-21 11:26:16,567 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-09-21 11:26:16,567 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-09-21 11:26:16,567 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-09-21 11:26:16,567 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,567 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,567 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,567 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,567 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,568 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-09-21 11:26:16,568 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-09-21 11:26:16,568 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-09-21 11:26:16,568 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-09-21 11:26:16,568 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-21 11:26:16,568 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-09-21 11:26:16,569 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-09-21 11:26:16,569 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-09-21 11:26:16,569 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-09-21 11:26:16,569 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-09-21 11:26:16,569 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-09-21 11:26:16,569 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-09-21 11:26:16,569 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-09-21 11:26:16,569 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,570 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,570 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,570 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,570 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,570 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-09-21 11:26:16,570 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-21 11:26:16,570 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-09-21 11:26:16,571 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-09-21 11:26:16,571 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-21 11:26:16,571 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-09-21 11:26:16,571 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-09-21 11:26:16,571 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-09-21 11:26:16,571 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-09-21 11:26:16,571 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-09-21 11:26:16,571 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-09-21 11:26:16,572 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-09-21 11:26:16,572 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-09-21 11:26:16,572 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-09-21 11:26:16,572 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-09-21 11:26:16,572 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-09-21 11:26:16,572 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,572 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,573 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,573 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,573 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-09-21 11:26:16,573 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,573 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-09-21 11:26:16,573 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,574 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-09-21 11:26:16,574 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-09-21 11:26:16,574 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-09-21 11:26:16,574 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,574 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,574 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-09-21 11:26:16,574 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-09-21 11:26:16,574 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-09-21 11:26:16,575 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-09-21 11:26:16,575 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-21 11:26:16,575 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-09-21 11:26:16,575 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-09-21 11:26:16,575 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-09-21 11:26:16,575 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-09-21 11:26:16,575 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-09-21 11:26:16,575 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-09-21 11:26:16,576 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,576 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,576 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,576 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,576 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,576 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,576 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-09-21 11:26:16,577 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-21 11:26:16,577 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-09-21 11:26:16,577 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-09-21 11:26:16,577 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-21 11:26:16,577 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-09-21 11:26:16,577 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-21 11:26:16,577 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-09-21 11:26:16,577 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-09-21 11:26:16,578 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-09-21 11:26:16,578 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-09-21 11:26:16,578 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,578 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,578 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,578 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,578 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,578 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,579 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-09-21 11:26:16,579 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-09-21 11:26:16,579 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-09-21 11:26:16,579 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-21 11:26:16,579 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-21 11:26:16,579 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-09-21 11:26:16,579 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-21 11:26:16,579 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-21 11:26:16,580 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-09-21 11:26:16,580 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-09-21 11:26:16,580 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-09-21 11:26:16,580 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-09-21 11:26:16,580 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-09-21 11:26:16,580 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-09-21 11:26:16,580 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,581 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,581 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,581 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse18 (= ~a17~0 |old(~a17~0)|)) (.cse19 (= ~a25~0 1)) (.cse21 (= ~a28~0 |old(~a28~0)|)) (.cse11 (= ~a11~0 |old(~a11~0)|)) (.cse12 (= ~a25~0 |old(~a25~0)|)) (.cse13 (= ~a17~0 8)) (.cse15 (= ~a19~0 |old(~a19~0)|))) (let ((.cse5 (and .cse21 .cse11 .cse12 .cse13 .cse15)) (.cse14 (= ~a28~0 9)) (.cse10 (not (= 9 |old(~a28~0)|))) (.cse4 (not (<= |old(~a28~0)| 7))) (.cse20 (and .cse21 .cse18 .cse11 .cse19 .cse15)) (.cse8 (not (= |old(~a19~0)| 1))) (.cse0 (and .cse21 .cse18 .cse11 .cse12 .cse15)) (.cse2 (not (= 0 |old(~a25~0)|))) (.cse7 (not (<= |old(~a11~0)| 0))) (.cse16 (not (= |old(~a25~0)| 1))) (.cse17 (and .cse21 .cse11 .cse13 .cse19 .cse15)) (.cse1 (= 11 |old(~a28~0)|)) (.cse6 (not (= 8 |old(~a17~0)|))) (.cse9 (= |old(~a11~0)| 1)) (.cse3 (not (<= 10 |old(~a28~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2) (or .cse5 .cse6 .cse2 .cse7) (or .cse8 .cse0 .cse1 .cse3) (or .cse5 .cse1 .cse6 .cse2 .cse9) (or .cse8 .cse6 .cse2 .cse10 (and .cse11 .cse12 .cse13 .cse14 .cse15)) (or .cse16 .cse8 .cse17 .cse6) (or .cse16 (and .cse18 .cse11 .cse19 .cse14 .cse15) .cse10) (or .cse16 .cse20 .cse8 .cse3) (or .cse4 .cse16 .cse17 .cse6 .cse9) (or .cse4 .cse16 .cse20 .cse8) (or .cse0 .cse1 .cse2 .cse7) (or .cse16 .cse17 .cse1 .cse6 .cse9 .cse3)))) [2020-09-21 11:26:16,581 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,581 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,582 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,582 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-09-21 11:26:16,582 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-09-21 11:26:16,582 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-09-21 11:26:16,582 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-09-21 11:26:16,582 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-09-21 11:26:16,582 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-09-21 11:26:16,583 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-21 11:26:16,583 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-21 11:26:16,583 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-21 11:26:16,583 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-09-21 11:26:16,583 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-09-21 11:26:16,583 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-09-21 11:26:16,583 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-09-21 11:26:16,584 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,584 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,584 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,584 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,584 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,584 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,584 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-09-21 11:26:16,584 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-09-21 11:26:16,585 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-09-21 11:26:16,585 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-09-21 11:26:16,585 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-09-21 11:26:16,585 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-21 11:26:16,585 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-21 11:26:16,585 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-09-21 11:26:16,585 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-09-21 11:26:16,585 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-09-21 11:26:16,586 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-09-21 11:26:16,586 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-09-21 11:26:16,586 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-09-21 11:26:16,586 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-09-21 11:26:16,586 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-09-21 11:26:16,586 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-09-21 11:26:16,586 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,586 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,587 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,587 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,587 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,587 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-09-21 11:26:16,587 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-09-21 11:26:16,587 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-09-21 11:26:16,587 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-09-21 11:26:16,587 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-21 11:26:16,587 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-09-21 11:26:16,588 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-09-21 11:26:16,588 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-21 11:26:16,588 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-21 11:26:16,588 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-09-21 11:26:16,588 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-09-21 11:26:16,588 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-09-21 11:26:16,588 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-09-21 11:26:16,588 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-09-21 11:26:16,588 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-09-21 11:26:16,589 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-09-21 11:26:16,589 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-09-21 11:26:16,589 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-09-21 11:26:16,589 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-09-21 11:26:16,589 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:26:16,589 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (= ~a19~0 1) (= ~a25~0 0) (= ~a17~0 8) (<= ~a28~0 7)) [2020-09-21 11:26:16,589 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:26:16,590 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:26:16,590 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)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (<= |old(~a11~0)| 0))) [2020-09-21 11:26:16,590 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse6 (= ~a28~0 9)) (.cse1 (<= 10 ~a28~0)) (.cse9 (<= ~a11~0 0)) (.cse7 (<= ~a28~0 7)) (.cse0 (= ~a19~0 1)) (.cse2 (= ~a25~0 1)) (.cse8 (= ~a25~0 0)) (.cse4 (= ~a17~0 8)) (.cse5 (not (= ~a11~0 1))) (.cse3 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2) (not (= |old(~a19~0)| 1)) (and .cse0 .cse1 .cse3) (and .cse1 .cse4 .cse2 .cse5 .cse3) (and .cse2 .cse6) (not (= 8 |old(~a17~0)|)) (and .cse4 .cse2 .cse5 .cse7) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse8 .cse4 .cse6) (and .cse8 .cse1 .cse3) (and .cse8 .cse4 .cse7) (and .cse9 .cse8 .cse3) (and .cse9 .cse8 .cse4) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse2 .cse7) (and .cse0 .cse4 .cse2) (not (<= |old(~a11~0)| 0)) (and .cse8 .cse4 .cse5 .cse3))) [2020-09-21 11:26:16,590 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-09-21 11:26:16,590 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-09-21 11:26:16,591 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse6 (= ~a28~0 9)) (.cse1 (<= 10 ~a28~0)) (.cse9 (<= ~a11~0 0)) (.cse7 (<= ~a28~0 7)) (.cse0 (= ~a19~0 1)) (.cse2 (= ~a25~0 1)) (.cse8 (= ~a25~0 0)) (.cse4 (= ~a17~0 8)) (.cse5 (not (= ~a11~0 1))) (.cse3 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2) (not (= |old(~a19~0)| 1)) (and .cse0 .cse1 .cse3) (and .cse1 .cse4 .cse2 .cse5 .cse3) (and .cse2 .cse6) (not (= 8 |old(~a17~0)|)) (and .cse4 .cse2 .cse5 .cse7) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse8 .cse4 .cse6) (and .cse8 .cse1 .cse3) (and .cse8 .cse4 .cse7) (and .cse9 .cse8 .cse3) (and .cse9 .cse8 .cse4) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse2 .cse7) (and .cse0 .cse4 .cse2) (not (<= |old(~a11~0)| 0)) (and .cse8 .cse4 .cse5 .cse3))) [2020-09-21 11:26:16,591 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-09-21 11:26:16,591 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-09-21 11:26:16,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:26:16 BoogieIcfgContainer [2020-09-21 11:26:16,620 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:26:16,622 INFO L168 Benchmark]: Toolchain (without parser) took 26383.98 ms. Allocated memory was 138.9 MB in the beginning and 576.2 MB in the end (delta: 437.3 MB). Free memory was 100.6 MB in the beginning and 401.0 MB in the end (delta: -300.4 MB). Peak memory consumption was 469.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:16,623 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:26:16,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 861.22 ms. Allocated memory was 138.9 MB in the beginning and 205.5 MB in the end (delta: 66.6 MB). Free memory was 99.9 MB in the beginning and 172.2 MB in the end (delta: -72.3 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:16,625 INFO L168 Benchmark]: Boogie Preprocessor took 140.29 ms. Allocated memory is still 205.5 MB. Free memory was 171.5 MB in the beginning and 167.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:16,626 INFO L168 Benchmark]: RCFGBuilder took 1314.37 ms. Allocated memory was 205.5 MB in the beginning and 237.5 MB in the end (delta: 32.0 MB). Free memory was 166.5 MB in the beginning and 181.6 MB in the end (delta: -15.1 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:16,627 INFO L168 Benchmark]: TraceAbstraction took 24059.41 ms. Allocated memory was 237.5 MB in the beginning and 576.2 MB in the end (delta: 338.7 MB). Free memory was 181.6 MB in the beginning and 401.0 MB in the end (delta: -219.3 MB). Peak memory consumption was 452.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:16,631 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 861.22 ms. Allocated memory was 138.9 MB in the beginning and 205.5 MB in the end (delta: 66.6 MB). Free memory was 99.9 MB in the beginning and 172.2 MB in the end (delta: -72.3 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.29 ms. Allocated memory is still 205.5 MB. Free memory was 171.5 MB in the beginning and 167.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1314.37 ms. Allocated memory was 205.5 MB in the beginning and 237.5 MB in the end (delta: 32.0 MB). Free memory was 166.5 MB in the beginning and 181.6 MB in the end (delta: -15.1 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24059.41 ms. Allocated memory was 237.5 MB in the beginning and 576.2 MB in the end (delta: 338.7 MB). Free memory was 181.6 MB in the beginning and 401.0 MB in the end (delta: -219.3 MB). Peak memory consumption was 452.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: 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: ((((((((((((((((((a19 == 1 && 10 <= a28) && a25 == 1) || !(\old(a19) == 1)) || ((a19 == 1 && 10 <= a28) && !(a28 == 11))) || ((((10 <= a28 && a17 == 8) && a25 == 1) && !(a11 == 1)) && !(a28 == 11))) || (a25 == 1 && a28 == 9)) || !(8 == \old(a17))) || (((a17 == 8 && a25 == 1) && !(a11 == 1)) && a28 <= 7)) || !(0 == \old(a25))) || (((a19 == 1 && a25 == 0) && a17 == 8) && a28 == 9)) || ((a25 == 0 && 10 <= a28) && !(a28 == 11))) || ((a25 == 0 && a17 == 8) && a28 <= 7)) || ((a11 <= 0 && a25 == 0) && !(a28 == 11))) || ((a11 <= 0 && a25 == 0) && a17 == 8)) || !(\old(a28) <= 7)) || ((a19 == 1 && a25 == 1) && a28 <= 7)) || ((a19 == 1 && a17 == 8) && a25 == 1)) || !(\old(a11) <= 0)) || (((a25 == 0 && a17 == 8) && !(a11 == 1)) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.7s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 15.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 318 SDtfs, 4327 SDslu, 451 SDs, 0 SdLazy, 7420 SolverSat, 1288 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4338occurred 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: 0.7s AutomataMinimizationTime, 8 MinimizatonAttempts, 1322 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 169 PreInvPairs, 241 NumberOfFragments, 834 HoareAnnotationTreeSize, 169 FomulaSimplifications, 17828 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3366 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1312 NumberOfCodeBlocks, 1312 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1304 ConstructedInterpolants, 0 QuantifiedInterpolants, 528843 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 542/588 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...