/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_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:26:50,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:26:50,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:26:50,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:26:50,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:26:50,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:26:50,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:26:50,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:26:50,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:26:50,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:26:50,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:26:50,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:26:50,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:26:50,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:26:50,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:26:50,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:26:50,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:26:50,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:26:50,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:26:50,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:26:50,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:26:50,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:26:50,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:26:50,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:26:50,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:26:50,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:26:50,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:26:50,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:26:50,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:26:50,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:26:50,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:26:50,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:26:50,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:26:50,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:26:50,139 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:26:50,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:26:50,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:26:50,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:26:50,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:26:50,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:26:50,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:26:50,144 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 11:26:50,198 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:26:50,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:26:50,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:26:50,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:26:50,202 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:26:50,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:26:50,202 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:26:50,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:26:50,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:26:50,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:26:50,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:26:50,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:26:50,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:26:50,205 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:26:50,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:26:50,205 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:26:50,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:26:50,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:26:50,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:26:50,206 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:26:50,207 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:26:50,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:26:50,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:26:50,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:26:50,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:26:50,208 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:26:50,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:26:50,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:26:50,208 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:26:50,208 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 11:26:50,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:26:50,703 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:26:50,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:26:50,709 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:26:50,710 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:26:50,711 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label53.c [2020-09-21 11:26:50,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c50ecf30b/c6b2ab3e5f09433491ad0467eac36c61/FLAGbb53d6438 [2020-09-21 11:26:51,457 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:26:51,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label53.c [2020-09-21 11:26:51,488 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c50ecf30b/c6b2ab3e5f09433491ad0467eac36c61/FLAGbb53d6438 [2020-09-21 11:26:51,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c50ecf30b/c6b2ab3e5f09433491ad0467eac36c61 [2020-09-21 11:26:51,717 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:26:51,723 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:26:51,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:26:51,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:26:51,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:26:51,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:26:51" (1/1) ... [2020-09-21 11:26:51,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5783693b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:51, skipping insertion in model container [2020-09-21 11:26:51,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:26:51" (1/1) ... [2020-09-21 11:26:51,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:26:51,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:26:52,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:26:52,277 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:26:52,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:26:52,551 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:26:52,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:52 WrapperNode [2020-09-21 11:26:52,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:26:52,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:26:52,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:26:52,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:26:52,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:52" (1/1) ... [2020-09-21 11:26:52,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:52" (1/1) ... [2020-09-21 11:26:52,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:52" (1/1) ... [2020-09-21 11:26:52,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:52" (1/1) ... [2020-09-21 11:26:52,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:52" (1/1) ... [2020-09-21 11:26:52,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:52" (1/1) ... [2020-09-21 11:26:52,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:52" (1/1) ... [2020-09-21 11:26:52,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:26:52,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:26:52,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:26:52,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:26:52,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:52" (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 11:26:52,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:26:52,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:26:52,759 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 11:26:52,759 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:26:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 11:26:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:26:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:26:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:26:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:26:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:26:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:26:54,006 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:26:54,006 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 11:26:54,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:26:54 BoogieIcfgContainer [2020-09-21 11:26:54,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:26:54,021 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:26:54,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:26:54,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:26:54,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:26:51" (1/3) ... [2020-09-21 11:26:54,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc0fd8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:26:54, skipping insertion in model container [2020-09-21 11:26:54,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:52" (2/3) ... [2020-09-21 11:26:54,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc0fd8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:26:54, skipping insertion in model container [2020-09-21 11:26:54,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:26:54" (3/3) ... [2020-09-21 11:26:54,033 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label53.c [2020-09-21 11:26:54,047 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:26:54,063 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:26:54,090 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:26:54,140 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:26:54,141 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:26:54,142 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:26:54,142 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:26:54,142 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:26:54,143 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:26:54,143 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:26:54,143 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:26:54,196 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-09-21 11:26:54,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-09-21 11:26:54,225 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:54,227 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:54,228 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:54,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:54,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1422395146, now seen corresponding path program 1 times [2020-09-21 11:26:54,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:54,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1144015937] [2020-09-21 11:26:54,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:54,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:54,669 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:54,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:54,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:54,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-21 11:26:54,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:54,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-21 11:26:54,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:54,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:26:54,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:26:54,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-09-21 11:26:54,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:55,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:55,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:55,062 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:55,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:55,062 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:55,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:55,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:55,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:26:55,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:55,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:55,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:55,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:26:55,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:55,168 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 11:26:55,169 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1144015937] [2020-09-21 11:26:55,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:26:55,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:26:55,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701837178] [2020-09-21 11:26:55,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:26:55,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:55,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:26:55,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:26:55,208 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-09-21 11:26:57,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:57,673 INFO L93 Difference]: Finished difference Result 784 states and 1378 transitions. [2020-09-21 11:26:57,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:26:57,676 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2020-09-21 11:26:57,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:57,697 INFO L225 Difference]: With dead ends: 784 [2020-09-21 11:26:57,698 INFO L226 Difference]: Without dead ends: 480 [2020-09-21 11:26:57,707 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:57,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-09-21 11:26:57,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 473. [2020-09-21 11:26:57,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-09-21 11:26:57,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 640 transitions. [2020-09-21 11:26:57,810 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 640 transitions. Word has length 144 [2020-09-21 11:26:57,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:57,812 INFO L479 AbstractCegarLoop]: Abstraction has 473 states and 640 transitions. [2020-09-21 11:26:57,812 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:26:57,812 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 640 transitions. [2020-09-21 11:26:57,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-21 11:26:57,820 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:57,820 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:57,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:26:57,821 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:57,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:57,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1820781058, now seen corresponding path program 1 times [2020-09-21 11:26:57,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:57,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [15206219] [2020-09-21 11:26:57,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:57,890 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:26:57,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -14 [2020-09-21 11:26:57,891 FATAL L256 erpolLogProxyWrapper]: Difference in width: 14 [2020-09-21 11:26:57,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:57,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-21 11:26:57,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:57,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:26:57,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:57,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:57,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-21 11:26:57,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:26:57,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:58,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:58,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:58,076 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:58,076 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:58,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:58,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:58,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:58,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:58,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:58,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:58,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:58,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:58,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:58,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:58,112 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:58,113 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:58,113 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:58,114 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:58,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:26:58,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:58,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:26:58,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:58,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:58,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:58,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:26:58,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:58,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 11:26:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:58,166 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:58,166 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:58,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:58,167 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:58,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:26:58,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:58,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:26:58,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:58,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:58,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:58,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:26:58,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:58,242 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:26:58,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [15206219] [2020-09-21 11:26:58,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:58,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:26:58,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343913849] [2020-09-21 11:26:58,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:26:58,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:58,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:26:58,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:26:58,249 INFO L87 Difference]: Start difference. First operand 473 states and 640 transitions. Second operand 8 states. [2020-09-21 11:27:00,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:00,617 INFO L93 Difference]: Finished difference Result 1110 states and 1528 transitions. [2020-09-21 11:27:00,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:27:00,618 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 161 [2020-09-21 11:27:00,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:00,624 INFO L225 Difference]: With dead ends: 1110 [2020-09-21 11:27:00,624 INFO L226 Difference]: Without dead ends: 643 [2020-09-21 11:27:00,626 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 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 11:27:00,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2020-09-21 11:27:00,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 629. [2020-09-21 11:27:00,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629 states. [2020-09-21 11:27:00,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 832 transitions. [2020-09-21 11:27:00,664 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 832 transitions. Word has length 161 [2020-09-21 11:27:00,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:00,664 INFO L479 AbstractCegarLoop]: Abstraction has 629 states and 832 transitions. [2020-09-21 11:27:00,664 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:27:00,664 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 832 transitions. [2020-09-21 11:27:00,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-09-21 11:27:00,671 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:00,672 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:27:00,672 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:27:00,672 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:00,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:00,673 INFO L82 PathProgramCache]: Analyzing trace with hash 2077268524, now seen corresponding path program 1 times [2020-09-21 11:27:00,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:00,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1520675912] [2020-09-21 11:27:00,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:00,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:00,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:00,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:00,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:00,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-21 11:27:00,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:00,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 11:27:00,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:00,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:00,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-21 11:27:00,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:27:00,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:00,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:00,872 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:00,872 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:00,873 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:00,873 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:00,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:00,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:00,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:00,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:00,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:00,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:00,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:00,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:27:00,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:00,915 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:00,915 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:00,916 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:00,916 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:00,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-21 11:27:00,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:00,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:27:00,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:00,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:00,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:00,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:27:00,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:27:00,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:27:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:00,951 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:00,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:00,952 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:00,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:00,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:27:00,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:00,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:27:00,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:00,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:00,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:00,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:27:00,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:27:01,018 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:27:01,019 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1520675912] [2020-09-21 11:27:01,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:27:01,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:27:01,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722036241] [2020-09-21 11:27:01,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:27:01,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:01,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:27:01,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:27:01,028 INFO L87 Difference]: Start difference. First operand 629 states and 832 transitions. Second operand 7 states. [2020-09-21 11:27:03,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:03,517 INFO L93 Difference]: Finished difference Result 2500 states and 3674 transitions. [2020-09-21 11:27:03,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:27:03,518 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 173 [2020-09-21 11:27:03,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:03,539 INFO L225 Difference]: With dead ends: 2500 [2020-09-21 11:27:03,540 INFO L226 Difference]: Without dead ends: 1877 [2020-09-21 11:27:03,544 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:27:03,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1877 states. [2020-09-21 11:27:03,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1877 to 1855. [2020-09-21 11:27:03,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1855 states. [2020-09-21 11:27:03,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1855 states and 2479 transitions. [2020-09-21 11:27:03,654 INFO L78 Accepts]: Start accepts. Automaton has 1855 states and 2479 transitions. Word has length 173 [2020-09-21 11:27:03,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:03,656 INFO L479 AbstractCegarLoop]: Abstraction has 1855 states and 2479 transitions. [2020-09-21 11:27:03,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:27:03,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2479 transitions. [2020-09-21 11:27:03,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-21 11:27:03,671 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:03,672 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:27:03,674 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:27:03,674 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:03,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:03,674 INFO L82 PathProgramCache]: Analyzing trace with hash 550084785, now seen corresponding path program 1 times [2020-09-21 11:27:03,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:03,675 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [918157833] [2020-09-21 11:27:03,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:03,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:03,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:03,745 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:03,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:03,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-09-21 11:27:03,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:03,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:27:03,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:03,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:03,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-21 11:27:03,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 11:27:03,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:03,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:03,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:03,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:03,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:03,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:03,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:03,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:03,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:03,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:03,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:03,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:03,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:03,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:27:03,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:03,874 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:03,874 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:03,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:03,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:03,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-21 11:27:03,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:03,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:27:03,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:03,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:03,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:03,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:27:03,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:03,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:27:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:03,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:03,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:03,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:03,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:03,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:27:03,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:03,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:27:03,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:03,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:03,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:03,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:27:03,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:03,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:27:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:03,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:03,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:03,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:03,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:03,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:27:03,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:03,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:03,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:03,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:03,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:27:03,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:03,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:27:04,018 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 55 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-21 11:27:04,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [918157833] [2020-09-21 11:27:04,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:27:04,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:27:04,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682826422] [2020-09-21 11:27:04,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:27:04,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:04,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:27:04,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:27:04,026 INFO L87 Difference]: Start difference. First operand 1855 states and 2479 transitions. Second operand 7 states. [2020-09-21 11:27:05,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:05,529 INFO L93 Difference]: Finished difference Result 5533 states and 7657 transitions. [2020-09-21 11:27:05,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:27:05,530 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 193 [2020-09-21 11:27:05,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:05,558 INFO L225 Difference]: With dead ends: 5533 [2020-09-21 11:27:05,558 INFO L226 Difference]: Without dead ends: 3688 [2020-09-21 11:27:05,569 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:27:05,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3688 states. [2020-09-21 11:27:05,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3688 to 3522. [2020-09-21 11:27:05,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3522 states. [2020-09-21 11:27:05,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3522 states to 3522 states and 4797 transitions. [2020-09-21 11:27:05,723 INFO L78 Accepts]: Start accepts. Automaton has 3522 states and 4797 transitions. Word has length 193 [2020-09-21 11:27:05,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:05,727 INFO L479 AbstractCegarLoop]: Abstraction has 3522 states and 4797 transitions. [2020-09-21 11:27:05,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:27:05,727 INFO L276 IsEmpty]: Start isEmpty. Operand 3522 states and 4797 transitions. [2020-09-21 11:27:05,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-09-21 11:27:05,745 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:05,746 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:27:05,746 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:27:05,746 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:05,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:05,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1776591340, now seen corresponding path program 1 times [2020-09-21 11:27:05,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:05,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [972941696] [2020-09-21 11:27:05,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:05,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:05,805 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:05,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:05,805 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:05,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-09-21 11:27:05,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:05,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:27:05,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:05,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:05,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:27:05,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:27:05,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:05,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:05,900 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:05,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:05,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:05,901 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:05,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:05,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:05,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:05,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:05,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:05,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:05,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:05,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:05,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:05,940 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:05,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:05,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:05,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:05,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:27:05,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:05,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:27:05,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:05,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:05,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:05,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:27:05,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:05,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:27:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:05,967 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:05,967 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:05,967 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:05,968 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:05,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:27:05,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:05,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:27:05,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:05,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:05,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:05,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:27:05,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:06,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-21 11:27:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:06,049 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:06,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:06,050 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:06,050 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:06,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:27:06,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:06,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:06,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:06,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:06,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:27:06,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:06,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:06,090 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 67 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-21 11:27:06,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [972941696] [2020-09-21 11:27:06,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:27:06,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:27:06,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118888896] [2020-09-21 11:27:06,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:27:06,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:06,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:27:06,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:27:06,094 INFO L87 Difference]: Start difference. First operand 3522 states and 4797 transitions. Second operand 7 states. [2020-09-21 11:27:07,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:07,782 INFO L93 Difference]: Finished difference Result 6876 states and 9203 transitions. [2020-09-21 11:27:07,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:27:07,783 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 203 [2020-09-21 11:27:07,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:07,807 INFO L225 Difference]: With dead ends: 6876 [2020-09-21 11:27:07,807 INFO L226 Difference]: Without dead ends: 3364 [2020-09-21 11:27:07,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:27:07,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3364 states. [2020-09-21 11:27:07,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3364 to 2602. [2020-09-21 11:27:07,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2602 states. [2020-09-21 11:27:07,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2602 states to 2602 states and 3105 transitions. [2020-09-21 11:27:07,938 INFO L78 Accepts]: Start accepts. Automaton has 2602 states and 3105 transitions. Word has length 203 [2020-09-21 11:27:07,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:07,940 INFO L479 AbstractCegarLoop]: Abstraction has 2602 states and 3105 transitions. [2020-09-21 11:27:07,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:27:07,940 INFO L276 IsEmpty]: Start isEmpty. Operand 2602 states and 3105 transitions. [2020-09-21 11:27:07,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-21 11:27:07,950 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:07,951 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:27:07,951 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:27:07,951 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:07,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:07,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1099879088, now seen corresponding path program 1 times [2020-09-21 11:27:07,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:07,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1005033230] [2020-09-21 11:27:07,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:08,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:08,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:08,072 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:08,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:08,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-09-21 11:27:08,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:08,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:27:08,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:08,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:08,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-09-21 11:27:08,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-21 11:27:08,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:08,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:08,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:08,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:08,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:08,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:08,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:08,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:08,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:08,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:08,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:08,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:08,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:08,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:27:08,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:08,201 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:08,202 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:08,202 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:08,203 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:08,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:27:08,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:08,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:27:08,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:08,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:08,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:08,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 11:27:08,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:27:08,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:27:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:08,252 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:08,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:08,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:08,253 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:08,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 11:27:08,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:08,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:27:08,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:08,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:08,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:08,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-21 11:27:08,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:08,386 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:27:08,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1005033230] [2020-09-21 11:27:08,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:27:08,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:27:08,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109372223] [2020-09-21 11:27:08,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:27:08,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:08,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:27:08,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:27:08,391 INFO L87 Difference]: Start difference. First operand 2602 states and 3105 transitions. Second operand 7 states. [2020-09-21 11:27:10,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:10,089 INFO L93 Difference]: Finished difference Result 5071 states and 6049 transitions. [2020-09-21 11:27:10,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:27:10,090 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 211 [2020-09-21 11:27:10,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:10,102 INFO L225 Difference]: With dead ends: 5071 [2020-09-21 11:27:10,102 INFO L226 Difference]: Without dead ends: 2475 [2020-09-21 11:27:10,108 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:27:10,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2475 states. [2020-09-21 11:27:10,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2475 to 2022. [2020-09-21 11:27:10,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2022 states. [2020-09-21 11:27:10,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2022 states to 2022 states and 2277 transitions. [2020-09-21 11:27:10,166 INFO L78 Accepts]: Start accepts. Automaton has 2022 states and 2277 transitions. Word has length 211 [2020-09-21 11:27:10,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:10,167 INFO L479 AbstractCegarLoop]: Abstraction has 2022 states and 2277 transitions. [2020-09-21 11:27:10,167 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:27:10,167 INFO L276 IsEmpty]: Start isEmpty. Operand 2022 states and 2277 transitions. [2020-09-21 11:27:10,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-09-21 11:27:10,174 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:10,175 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:27:10,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:27:10,175 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:10,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:10,176 INFO L82 PathProgramCache]: Analyzing trace with hash 775125182, now seen corresponding path program 1 times [2020-09-21 11:27:10,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:10,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [216628114] [2020-09-21 11:27:10,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:10,231 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:10,232 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:10,232 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:10,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:10,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-09-21 11:27:10,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:10,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 11:27:10,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:10,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:27:10,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:27:10,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:27:10,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:10,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:10,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:10,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:10,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:10,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:10,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:10,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:10,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:27:10,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:10,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:10,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:10,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:27:10,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:10,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:10,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:10,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:10,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:10,422 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:10,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:27:10,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:10,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:27:10,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:10,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:10,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:10,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-21 11:27:10,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:10,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:27:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:10,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:10,471 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:10,471 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:10,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:10,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 11:27:10,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:10,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:10,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:10,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:10,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-21 11:27:10,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:10,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:10,517 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 64 proven. 28 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-21 11:27:10,517 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [216628114] [2020-09-21 11:27:10,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:27:10,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:27:10,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973364966] [2020-09-21 11:27:10,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:27:10,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:10,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:27:10,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:27:10,521 INFO L87 Difference]: Start difference. First operand 2022 states and 2277 transitions. Second operand 8 states. [2020-09-21 11:27:11,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:11,322 INFO L93 Difference]: Finished difference Result 4060 states and 4728 transitions. [2020-09-21 11:27:11,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:27:11,323 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 214 [2020-09-21 11:27:11,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:11,332 INFO L225 Difference]: With dead ends: 4060 [2020-09-21 11:27:11,333 INFO L226 Difference]: Without dead ends: 2044 [2020-09-21 11:27:11,338 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:27:11,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2044 states. [2020-09-21 11:27:11,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2044 to 1996. [2020-09-21 11:27:11,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1996 states. [2020-09-21 11:27:11,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1996 states to 1996 states and 2220 transitions. [2020-09-21 11:27:11,390 INFO L78 Accepts]: Start accepts. Automaton has 1996 states and 2220 transitions. Word has length 214 [2020-09-21 11:27:11,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:11,391 INFO L479 AbstractCegarLoop]: Abstraction has 1996 states and 2220 transitions. [2020-09-21 11:27:11,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:27:11,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1996 states and 2220 transitions. [2020-09-21 11:27:11,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-09-21 11:27:11,398 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:11,399 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:27:11,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:27:11,399 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:11,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:11,399 INFO L82 PathProgramCache]: Analyzing trace with hash 559186446, now seen corresponding path program 1 times [2020-09-21 11:27:11,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:11,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [31797727] [2020-09-21 11:27:11,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:11,502 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-21 11:27:11,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -113 [2020-09-21 11:27:11,503 FATAL L256 erpolLogProxyWrapper]: Difference in width: 113 [2020-09-21 11:27:11,503 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:11,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-09-21 11:27:11,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:11,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 11:27:11,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:11,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:11,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-09-21 11:27:11,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-09-21 11:27:11,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:11,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:11,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:11,752 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:11,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:11,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:11,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:11,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:11,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:11,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:11,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:11,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:11,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:11,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:11,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:11,773 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:11,774 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:11,774 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:11,774 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:11,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:27:11,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:11,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:11,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:11,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:11,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:11,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:11,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:11,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:27:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:11,807 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:11,807 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:11,808 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:11,808 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:11,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:27:11,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:11,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:27:11,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:11,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:11,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:11,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-21 11:27:11,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:27:11,991 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 11:27:11,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [31797727] [2020-09-21 11:27:11,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:27:11,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:27:11,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157502749] [2020-09-21 11:27:11,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:27:11,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:11,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:27:11,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:27:11,994 INFO L87 Difference]: Start difference. First operand 1996 states and 2220 transitions. Second operand 5 states. [2020-09-21 11:27:12,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:13,000 INFO L93 Difference]: Finished difference Result 3928 states and 4387 transitions. [2020-09-21 11:27:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:27:13,002 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 250 [2020-09-21 11:27:13,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:13,010 INFO L225 Difference]: With dead ends: 3928 [2020-09-21 11:27:13,011 INFO L226 Difference]: Without dead ends: 1998 [2020-09-21 11:27:13,015 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:27:13,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1998 states. [2020-09-21 11:27:13,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1998 to 1994. [2020-09-21 11:27:13,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2020-09-21 11:27:13,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 2215 transitions. [2020-09-21 11:27:13,062 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 2215 transitions. Word has length 250 [2020-09-21 11:27:13,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:13,062 INFO L479 AbstractCegarLoop]: Abstraction has 1994 states and 2215 transitions. [2020-09-21 11:27:13,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:27:13,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2215 transitions. [2020-09-21 11:27:13,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-09-21 11:27:13,070 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:13,070 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:27:13,071 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:27:13,071 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:13,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:13,071 INFO L82 PathProgramCache]: Analyzing trace with hash 647576422, now seen corresponding path program 1 times [2020-09-21 11:27:13,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:13,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [688157966] [2020-09-21 11:27:13,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:13,166 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:13,166 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:13,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:13,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:13,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-09-21 11:27:13,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:13,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 11:27:13,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:13,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:13,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-09-21 11:27:13,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 11:27:13,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:27:13,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:13,271 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:13,272 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:13,272 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:13,272 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:13,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:13,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:13,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:13,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:13,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:13,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:13,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:13,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:27:13,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:13,309 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:13,309 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:13,310 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:13,310 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:13,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:27:13,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:13,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:27:13,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:13,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:13,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:13,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 11:27:13,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:13,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:27:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:13,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:13,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:13,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:13,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:13,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:27:13,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:13,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:27:13,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:13,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:13,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-09-21 11:27:13,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:27:13,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:13,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-09-21 11:27:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:13,438 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:13,438 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:13,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:13,439 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:13,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-21 11:27:13,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:13,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:13,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:13,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:13,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-21 11:27:13,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:13,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:13,491 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 109 proven. 4 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-09-21 11:27:13,491 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [688157966] [2020-09-21 11:27:13,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:27:13,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:27:13,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938927108] [2020-09-21 11:27:13,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:27:13,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:13,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:27:13,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:27:13,493 INFO L87 Difference]: Start difference. First operand 1994 states and 2215 transitions. Second operand 5 states. [2020-09-21 11:27:14,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:14,425 INFO L93 Difference]: Finished difference Result 4559 states and 5063 transitions. [2020-09-21 11:27:14,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:27:14,426 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 254 [2020-09-21 11:27:14,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:14,439 INFO L225 Difference]: With dead ends: 4559 [2020-09-21 11:27:14,439 INFO L226 Difference]: Without dead ends: 2719 [2020-09-21 11:27:14,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 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 11:27:14,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2719 states. [2020-09-21 11:27:14,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2719 to 1985. [2020-09-21 11:27:14,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1985 states. [2020-09-21 11:27:14,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2179 transitions. [2020-09-21 11:27:14,503 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2179 transitions. Word has length 254 [2020-09-21 11:27:14,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:14,504 INFO L479 AbstractCegarLoop]: Abstraction has 1985 states and 2179 transitions. [2020-09-21 11:27:14,504 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:27:14,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2179 transitions. [2020-09-21 11:27:14,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-09-21 11:27:14,512 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:14,512 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:27:14,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:27:14,513 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:14,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:14,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1855477438, now seen corresponding path program 1 times [2020-09-21 11:27:14,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:14,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [86401683] [2020-09-21 11:27:14,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:14,600 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-21 11:27:14,600 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -42 [2020-09-21 11:27:14,600 FATAL L256 erpolLogProxyWrapper]: Difference in width: 42 [2020-09-21 11:27:14,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:14,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-09-21 11:27:14,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:14,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:27:14,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:14,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:14,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:27:14,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:27:14,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:14,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:14,730 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:14,730 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:14,730 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:14,730 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:14,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:14,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:14,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:14,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:14,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:14,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:14,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:14,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:14,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:14,760 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:14,762 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:14,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:14,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:14,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:27:14,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:14,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:27:14,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:14,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:14,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:14,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:14,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:27:14,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:27:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:14,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:14,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:14,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:14,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:14,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 11:27:14,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:14,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:27:14,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:14,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:14,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:14,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:27:14,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:14,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:27:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:14,824 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:14,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:14,825 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:14,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:14,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 11:27:14,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:14,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:27:14,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:14,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:14,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-09-21 11:27:14,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:27:14,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:27:14,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-09-21 11:27:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:14,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:14,884 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:14,884 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:14,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:14,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-21 11:27:14,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:14,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:14,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:14,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:14,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-21 11:27:14,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:14,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:14,992 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 144 proven. 4 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-09-21 11:27:14,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [86401683] [2020-09-21 11:27:14,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:27:14,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 11:27:14,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24683459] [2020-09-21 11:27:14,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:27:14,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:14,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:27:14,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:27:14,997 INFO L87 Difference]: Start difference. First operand 1985 states and 2179 transitions. Second operand 6 states. [2020-09-21 11:27:15,126 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-09-21 11:27:16,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:16,298 INFO L93 Difference]: Finished difference Result 3665 states and 4026 transitions. [2020-09-21 11:27:16,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:27:16,303 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 279 [2020-09-21 11:27:16,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:16,304 INFO L225 Difference]: With dead ends: 3665 [2020-09-21 11:27:16,304 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:27:16,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:27:16,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:27:16,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:27:16,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:27:16,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:27:16,311 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 279 [2020-09-21 11:27:16,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:16,312 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:27:16,312 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:27:16,312 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:27:16,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:27:16,312 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:27:16,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:27:16,740 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2020-09-21 11:27:17,608 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 131 [2020-09-21 11:27:17,928 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 131 [2020-09-21 11:27:19,548 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 146 DAG size of output: 74 [2020-09-21 11:27:20,550 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 56 [2020-09-21 11:27:21,492 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 56 [2020-09-21 11:27:21,497 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:27:21,498 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 11:27:21,498 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:27:21,499 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,499 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,499 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,499 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,499 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,500 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-09-21 11:27:21,500 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-09-21 11:27:21,500 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-21 11:27:21,500 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-21 11:27:21,500 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-09-21 11:27:21,500 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-09-21 11:27:21,500 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-09-21 11:27:21,500 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-09-21 11:27:21,501 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-09-21 11:27:21,501 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-09-21 11:27:21,501 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-09-21 11:27:21,501 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-09-21 11:27:21,501 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-09-21 11:27:21,501 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,501 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,502 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,502 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,502 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-09-21 11:27:21,502 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,502 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-09-21 11:27:21,502 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-21 11:27:21,502 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-21 11:27:21,502 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-21 11:27:21,503 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-09-21 11:27:21,503 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-09-21 11:27:21,503 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-09-21 11:27:21,503 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-09-21 11:27:21,503 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-09-21 11:27:21,504 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-09-21 11:27:21,504 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-09-21 11:27:21,504 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-09-21 11:27:21,504 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-09-21 11:27:21,504 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-09-21 11:27:21,504 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-09-21 11:27:21,505 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,506 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,506 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,506 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,507 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,507 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 586) no Hoare annotation was computed. [2020-09-21 11:27:21,507 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-09-21 11:27:21,507 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-09-21 11:27:21,507 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-09-21 11:27:21,507 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-21 11:27:21,507 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-09-21 11:27:21,507 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-09-21 11:27:21,508 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-09-21 11:27:21,508 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-09-21 11:27:21,508 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-09-21 11:27:21,508 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-09-21 11:27:21,508 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-09-21 11:27:21,508 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,508 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,508 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,508 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,509 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,509 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-09-21 11:27:21,509 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-09-21 11:27:21,509 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-09-21 11:27:21,509 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-09-21 11:27:21,509 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-21 11:27:21,509 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-09-21 11:27:21,509 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-09-21 11:27:21,509 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-09-21 11:27:21,510 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-09-21 11:27:21,510 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-09-21 11:27:21,510 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-09-21 11:27:21,510 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-09-21 11:27:21,511 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-09-21 11:27:21,511 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,511 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,512 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,512 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,512 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,512 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-09-21 11:27:21,512 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-21 11:27:21,512 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-09-21 11:27:21,512 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-09-21 11:27:21,512 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-21 11:27:21,513 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-09-21 11:27:21,513 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-09-21 11:27:21,513 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-09-21 11:27:21,513 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-09-21 11:27:21,513 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-09-21 11:27:21,513 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-09-21 11:27:21,513 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-09-21 11:27:21,513 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-09-21 11:27:21,513 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-09-21 11:27:21,514 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-09-21 11:27:21,514 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-09-21 11:27:21,514 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,514 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,514 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,514 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,514 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-09-21 11:27:21,514 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,514 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-09-21 11:27:21,514 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,515 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-09-21 11:27:21,515 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-09-21 11:27:21,516 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-09-21 11:27:21,516 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,516 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,516 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-09-21 11:27:21,516 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-09-21 11:27:21,516 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-09-21 11:27:21,516 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-09-21 11:27:21,516 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-21 11:27:21,516 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-09-21 11:27:21,517 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-09-21 11:27:21,517 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-09-21 11:27:21,517 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-09-21 11:27:21,517 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-09-21 11:27:21,517 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-09-21 11:27:21,517 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,517 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,517 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,517 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,518 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,518 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,518 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-09-21 11:27:21,518 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-21 11:27:21,518 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-09-21 11:27:21,518 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-09-21 11:27:21,518 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-21 11:27:21,518 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-09-21 11:27:21,518 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-21 11:27:21,519 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-09-21 11:27:21,519 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-09-21 11:27:21,519 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-09-21 11:27:21,519 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-09-21 11:27:21,519 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,519 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,519 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,519 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,519 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,520 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,520 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-09-21 11:27:21,520 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-09-21 11:27:21,520 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-09-21 11:27:21,520 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-21 11:27:21,520 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-21 11:27:21,520 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-09-21 11:27:21,520 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-21 11:27:21,520 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-21 11:27:21,520 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-09-21 11:27:21,521 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-09-21 11:27:21,521 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-09-21 11:27:21,521 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-09-21 11:27:21,521 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-09-21 11:27:21,521 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-09-21 11:27:21,521 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,521 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,521 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,522 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse7 (= ~a17~0 |old(~a17~0)|)) (.cse16 (= ~a28~0 |old(~a28~0)|)) (.cse8 (= ~a11~0 |old(~a11~0)|)) (.cse9 (= ~a25~0 |old(~a25~0)|)) (.cse17 (= ~a19~0 |old(~a19~0)|)) (.cse11 (= 9 |old(~a28~0)|))) (let ((.cse6 (not .cse11)) (.cse10 (= ~a28~0 9)) (.cse2 (= |old(~a11~0)| 1)) (.cse4 (and .cse16 .cse8 .cse9 (<= 8 ~a17~0) (<= ~a17~0 8) .cse17)) (.cse14 (not (<= |old(~a28~0)| 7))) (.cse13 (not (= 7 |old(~a17~0)|))) (.cse12 (not (= 0 |old(~a25~0)|))) (.cse0 (not (<= |old(~a17~0)| 8))) (.cse5 (not (= |old(~a19~0)| 1))) (.cse1 (not (<= 8 |old(~a17~0)|))) (.cse15 (and .cse16 .cse7 .cse8 .cse9 .cse17)) (.cse3 (not (<= 10 |old(~a28~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse6 (and .cse7 .cse8 (= ~a19~0 1) .cse9 .cse10)) (or .cse0 .cse1 .cse11 .cse12 .cse2 .cse4) (or (not (= |old(~a25~0)| 1)) .cse13 (not (= 0 |old(~a19~0)|)) .cse6 (not (= ~a21~0 1)) (and (= ~a19~0 0) .cse7 .cse8 (= ~a25~0 1) .cse10) (not .cse2)) (or .cse0 .cse14 .cse1 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse14 .cse13 .cse5 .cse15) (or .cse13 (and .cse16 (= 7 ~a17~0) .cse8 .cse9 .cse17) .cse12 .cse3) (or .cse0 .cse5 .cse1 .cse15 .cse3)))) [2020-09-21 11:27:21,522 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,523 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,523 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,523 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-09-21 11:27:21,523 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-09-21 11:27:21,523 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-09-21 11:27:21,523 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-09-21 11:27:21,523 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-09-21 11:27:21,523 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-09-21 11:27:21,523 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-21 11:27:21,524 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-21 11:27:21,524 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-21 11:27:21,524 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-09-21 11:27:21,524 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-09-21 11:27:21,524 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-09-21 11:27:21,524 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-09-21 11:27:21,524 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,524 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,524 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,525 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,525 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,525 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,525 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-09-21 11:27:21,525 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-09-21 11:27:21,525 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-09-21 11:27:21,525 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-09-21 11:27:21,525 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-09-21 11:27:21,525 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-21 11:27:21,525 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-21 11:27:21,526 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-09-21 11:27:21,526 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-09-21 11:27:21,526 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-09-21 11:27:21,526 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-09-21 11:27:21,526 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-09-21 11:27:21,526 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-09-21 11:27:21,526 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-09-21 11:27:21,526 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-09-21 11:27:21,526 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-09-21 11:27:21,527 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,527 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,527 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,527 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,527 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:21,527 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-09-21 11:27:21,527 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-09-21 11:27:21,527 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-09-21 11:27:21,527 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-09-21 11:27:21,528 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-21 11:27:21,528 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-09-21 11:27:21,528 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-09-21 11:27:21,528 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-21 11:27:21,528 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-21 11:27:21,528 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-09-21 11:27:21,528 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-09-21 11:27:21,528 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-09-21 11:27:21,528 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-09-21 11:27:21,528 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-09-21 11:27:21,529 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-09-21 11:27:21,529 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-09-21 11:27:21,529 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-09-21 11:27:21,529 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-09-21 11:27:21,529 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-09-21 11:27:21,529 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:27:21,529 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (= ~a25~0 0) (<= 8 ~a17~0) (not (= ~a11~0 1)) (<= ~a28~0 7) (<= ~a17~0 8)) [2020-09-21 11:27:21,529 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:27:21,529 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:27:21,530 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (= |old(~a11~0)| 1) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|))) [2020-09-21 11:27:21,530 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse8 (= ~a11~0 1))) (let ((.cse4 (not .cse8)) (.cse1 (= ~a19~0 1)) (.cse3 (<= 8 ~a17~0)) (.cse7 (= ~a28~0 9)) (.cse5 (<= ~a17~0 8)) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse10 (<= ~a28~0 7)) (.cse6 (= 7 ~a17~0)) (.cse9 (= ~a25~0 0)) (.cse2 (<= 10 ~a28~0))) (or (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 .cse3 .cse4 .cse5) (not (= 0 |old(~a25~0)|)) (and .cse2 .cse3 .cse4 .cse5) (and (= ~a19~0 0) .cse6 (= ~a21~0 1) (= ~a25~0 1) .cse7 .cse8) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and (not .cse7) .cse9 .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse10) (= |old(~a11~0)| 1) (and .cse1 .cse3 .cse7 .cse5) (and .cse0 .cse10) (and .cse6 .cse9 .cse2)))) [2020-09-21 11:27:21,530 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-09-21 11:27:21,530 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-09-21 11:27:21,530 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse8 (= ~a11~0 1))) (let ((.cse4 (not .cse8)) (.cse1 (= ~a19~0 1)) (.cse3 (<= 8 ~a17~0)) (.cse7 (= ~a28~0 9)) (.cse5 (<= ~a17~0 8)) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse10 (<= ~a28~0 7)) (.cse6 (= 7 ~a17~0)) (.cse9 (= ~a25~0 0)) (.cse2 (<= 10 ~a28~0))) (or (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 .cse3 .cse4 .cse5) (not (= 0 |old(~a25~0)|)) (and .cse2 .cse3 .cse4 .cse5) (and (= ~a19~0 0) .cse6 (= ~a21~0 1) (= ~a25~0 1) .cse7 .cse8) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and (not .cse7) .cse9 .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse10) (= |old(~a11~0)| 1) (and .cse1 .cse3 .cse7 .cse5) (and .cse0 .cse10) (and .cse6 .cse9 .cse2)))) [2020-09-21 11:27:21,531 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-09-21 11:27:21,531 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-09-21 11:27:21,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:27:21 BoogieIcfgContainer [2020-09-21 11:27:21,562 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:27:21,564 INFO L168 Benchmark]: Toolchain (without parser) took 29845.86 ms. Allocated memory was 139.5 MB in the beginning and 643.3 MB in the end (delta: 503.8 MB). Free memory was 101.1 MB in the beginning and 253.2 MB in the end (delta: -152.1 MB). Peak memory consumption was 459.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:27:21,565 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:27:21,566 INFO L168 Benchmark]: CACSL2BoogieTranslator took 825.79 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 100.5 MB in the beginning and 171.3 MB in the end (delta: -70.8 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:27:21,566 INFO L168 Benchmark]: Boogie Preprocessor took 116.26 ms. Allocated memory is still 204.5 MB. Free memory was 171.3 MB in the beginning and 166.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:27:21,567 INFO L168 Benchmark]: RCFGBuilder took 1350.00 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 166.4 MB in the beginning and 181.9 MB in the end (delta: -15.5 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:27:21,568 INFO L168 Benchmark]: TraceAbstraction took 27540.57 ms. Allocated memory was 237.5 MB in the beginning and 643.3 MB in the end (delta: 405.8 MB). Free memory was 181.9 MB in the beginning and 253.2 MB in the end (delta: -71.3 MB). Peak memory consumption was 442.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:27:21,572 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 825.79 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 100.5 MB in the beginning and 171.3 MB in the end (delta: -70.8 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.26 ms. Allocated memory is still 204.5 MB. Free memory was 171.3 MB in the beginning and 166.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1350.00 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 166.4 MB in the beginning and 181.9 MB in the end (delta: -15.5 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27540.57 ms. Allocated memory was 237.5 MB in the beginning and 643.3 MB in the end (delta: 405.8 MB). Free memory was 181.9 MB in the beginning and 253.2 MB in the end (delta: -71.3 MB). Peak memory consumption was 442.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 586]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((!(\old(a19) == 1) || !(8 <= \old(a17))) || ((a17 == \old(a17) && a19 == 1) && 10 <= a28)) || (((a19 == 1 && 8 <= a17) && !(a11 == 1)) && a17 <= 8)) || !(0 == \old(a25))) || (((10 <= a28 && 8 <= a17) && !(a11 == 1)) && a17 <= 8)) || (((((a19 == 0 && 7 == a17) && a21 == 1) && a25 == 1) && a28 == 9) && a11 == 1)) || !(\old(a28) <= 7)) || !(\old(a17) <= 8)) || ((((!(a28 == 9) && a25 == 0) && 8 <= a17) && !(a11 == 1)) && a17 <= 8)) || ((7 == a17 && a19 == 1) && a28 <= 7)) || \old(a11) == 1) || (((a19 == 1 && 8 <= a17) && a28 == 9) && a17 <= 8)) || (a17 == \old(a17) && a28 <= 7)) || ((7 == a17 && a25 == 0) && 10 <= a28) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.1s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 16.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 386 SDtfs, 5613 SDslu, 504 SDs, 0 SdLazy, 8972 SolverSat, 1642 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 93 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3522occurred 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, 10 MinimizatonAttempts, 2210 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 149 PreInvPairs, 175 NumberOfFragments, 697 HoareAnnotationTreeSize, 149 FomulaSimplifications, 15027 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3329 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 2082 NumberOfCodeBlocks, 2082 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2072 ConstructedInterpolants, 0 QuantifiedInterpolants, 1188050 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 894/952 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...