/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label09.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:05:28,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:05:28,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:05:28,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:05:28,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:05:28,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:05:28,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:05:28,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:05:28,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:05:28,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:05:28,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:05:28,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:05:28,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:05:28,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:05:28,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:05:28,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:05:28,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:05:28,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:05:28,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:05:28,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:05:28,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:05:28,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:05:28,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:05:28,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:05:28,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:05:28,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:05:28,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:05:28,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:05:28,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:05:28,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:05:28,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:05:28,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:05:28,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:05:28,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:05:28,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:05:28,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:05:28,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:05:28,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:05:28,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:05:28,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:05:28,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:05:28,284 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 08:05:28,333 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:05:28,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:05:28,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:05:28,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:05:28,341 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:05:28,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:05:28,342 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:05:28,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:05:28,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:05:28,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:05:28,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:05:28,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:05:28,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:05:28,343 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:05:28,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:05:28,344 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:05:28,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:05:28,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:05:28,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:05:28,344 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:05:28,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:05:28,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:05:28,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:05:28,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:05:28,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:05:28,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:05:28,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:05:28,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:05:28,346 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:05:28,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 08:05:28,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:05:28,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:05:28,715 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:05:28,716 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:05:28,717 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:05:28,718 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label09.c [2020-10-13 08:05:28,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0bf1a30e1/442b3368f5d8459a973c3c896ecafacd/FLAGd02b2e061 [2020-10-13 08:05:29,359 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:05:29,360 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label09.c [2020-10-13 08:05:29,375 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0bf1a30e1/442b3368f5d8459a973c3c896ecafacd/FLAGd02b2e061 [2020-10-13 08:05:29,756 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0bf1a30e1/442b3368f5d8459a973c3c896ecafacd [2020-10-13 08:05:29,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:05:29,767 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:05:29,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:05:29,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:05:29,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:05:29,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:05:29" (1/1) ... [2020-10-13 08:05:29,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa7080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:05:29, skipping insertion in model container [2020-10-13 08:05:29,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:05:29" (1/1) ... [2020-10-13 08:05:29,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:05:29,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:05:30,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:05:30,783 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:05:30,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:05:31,015 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:05:31,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:05:31 WrapperNode [2020-10-13 08:05:31,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:05:31,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:05:31,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:05:31,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:05:31,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:05:31" (1/1) ... [2020-10-13 08:05:31,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:05:31" (1/1) ... [2020-10-13 08:05:31,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:05:31" (1/1) ... [2020-10-13 08:05:31,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:05:31" (1/1) ... [2020-10-13 08:05:31,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:05:31" (1/1) ... [2020-10-13 08:05:31,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:05:31" (1/1) ... [2020-10-13 08:05:31,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:05:31" (1/1) ... [2020-10-13 08:05:31,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:05:31,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:05:31,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:05:31,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:05:31,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:05:31" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:05:31,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:05:31,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:05:31,323 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:05:31,323 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:05:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:05:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:05:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:05:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:05:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:05:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:05:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:05:33,110 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:05:33,110 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:05:33,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:05:33 BoogieIcfgContainer [2020-10-13 08:05:33,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:05:33,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:05:33,120 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:05:33,124 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:05:33,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:05:29" (1/3) ... [2020-10-13 08:05:33,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edb564f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:05:33, skipping insertion in model container [2020-10-13 08:05:33,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:05:31" (2/3) ... [2020-10-13 08:05:33,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edb564f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:05:33, skipping insertion in model container [2020-10-13 08:05:33,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:05:33" (3/3) ... [2020-10-13 08:05:33,129 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label09.c [2020-10-13 08:05:33,142 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:05:33,151 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:05:33,168 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:05:33,203 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:05:33,203 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:05:33,203 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:05:33,204 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:05:33,204 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:05:33,204 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:05:33,204 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:05:33,204 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:05:33,230 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-13 08:05:33,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-13 08:05:33,241 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:05:33,243 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] [2020-10-13 08:05:33,243 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:05:33,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:05:33,248 INFO L82 PathProgramCache]: Analyzing trace with hash -869319573, now seen corresponding path program 1 times [2020-10-13 08:05:33,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:05:33,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [744354872] [2020-10-13 08:05:33,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:05:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:33,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:33,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:33,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 08:05:33,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:33,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 465 [2020-10-13 08:05:33,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:33,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:05:33,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:05:33,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 08:05:33,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:05:34,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:34,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:34,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:34,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:34,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:34,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 08:05:34,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:34,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:05:34,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:34,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:05:34,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:34,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:05:34,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [744354872] [2020-10-13 08:05:34,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:05:34,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 08:05:34,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311429843] [2020-10-13 08:05:34,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:05:34,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:05:34,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:05:34,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:05:34,200 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 5 states. [2020-10-13 08:05:37,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:05:37,890 INFO L93 Difference]: Finished difference Result 992 states and 1777 transitions. [2020-10-13 08:05:37,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 08:05:37,892 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2020-10-13 08:05:37,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:05:37,914 INFO L225 Difference]: With dead ends: 992 [2020-10-13 08:05:37,915 INFO L226 Difference]: Without dead ends: 630 [2020-10-13 08:05:37,927 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:05:37,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2020-10-13 08:05:38,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 624. [2020-10-13 08:05:38,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-13 08:05:38,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 864 transitions. [2020-10-13 08:05:38,034 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 864 transitions. Word has length 72 [2020-10-13 08:05:38,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:05:38,034 INFO L479 AbstractCegarLoop]: Abstraction has 624 states and 864 transitions. [2020-10-13 08:05:38,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:05:38,034 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 864 transitions. [2020-10-13 08:05:38,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-13 08:05:38,048 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:05:38,050 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:05:38,050 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:05:38,050 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:05:38,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:05:38,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1317999062, now seen corresponding path program 1 times [2020-10-13 08:05:38,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:05:38,051 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2001630379] [2020-10-13 08:05:38,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:05:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:38,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:38,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:39,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:40,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:40,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-13 08:05:40,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:05:40,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1966 [2020-10-13 08:05:40,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:40,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:05:40,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 08:05:40,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 08:05:40,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:05:40,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:40,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:40,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:40,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:40,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:40,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 08:05:40,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:40,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:40,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:40,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:40,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:05:40,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:05:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:40,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:40,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:40,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:05:40,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:40,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-13 08:05:40,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:40,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:05:40,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:40,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 08:05:40,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:40,534 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:05:40,534 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2001630379] [2020-10-13 08:05:40,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:05:40,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:05:40,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645126007] [2020-10-13 08:05:40,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:05:40,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:05:40,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:05:40,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:05:40,539 INFO L87 Difference]: Start difference. First operand 624 states and 864 transitions. Second operand 5 states. [2020-10-13 08:05:42,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:05:42,272 INFO L93 Difference]: Finished difference Result 1075 states and 1513 transitions. [2020-10-13 08:05:42,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:05:42,273 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2020-10-13 08:05:42,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:05:42,277 INFO L225 Difference]: With dead ends: 1075 [2020-10-13 08:05:42,278 INFO L226 Difference]: Without dead ends: 630 [2020-10-13 08:05:42,280 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:05:42,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2020-10-13 08:05:42,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 624. [2020-10-13 08:05:42,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-13 08:05:42,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 861 transitions. [2020-10-13 08:05:42,326 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 861 transitions. Word has length 144 [2020-10-13 08:05:42,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:05:42,329 INFO L479 AbstractCegarLoop]: Abstraction has 624 states and 861 transitions. [2020-10-13 08:05:42,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:05:42,329 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 861 transitions. [2020-10-13 08:05:42,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-13 08:05:42,335 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:05:42,335 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:05:42,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:05:42,336 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:05:42,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:05:42,338 INFO L82 PathProgramCache]: Analyzing trace with hash 123304893, now seen corresponding path program 1 times [2020-10-13 08:05:42,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:05:42,338 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [711243873] [2020-10-13 08:05:42,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:05:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:42,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:42,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:43,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:45,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:45,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-13 08:05:45,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:05:45,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2900 [2020-10-13 08:05:45,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:45,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:05:45,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-13 08:05:45,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 08:05:45,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:45,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:45,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:45,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:45,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:45,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:45,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 08:05:45,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:45,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:45,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:45,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:45,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:05:45,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:05:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:45,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:45,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:45,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:05:45,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:45,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-13 08:05:45,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:45,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:05:45,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:45,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:05:45,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:45,886 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:05:45,887 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [711243873] [2020-10-13 08:05:45,887 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:05:45,887 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:05:45,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165557639] [2020-10-13 08:05:45,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:05:45,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:05:45,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:05:45,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:05:45,891 INFO L87 Difference]: Start difference. First operand 624 states and 861 transitions. Second operand 8 states. [2020-10-13 08:05:48,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:05:48,585 INFO L93 Difference]: Finished difference Result 1180 states and 1622 transitions. [2020-10-13 08:05:48,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 08:05:48,586 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 145 [2020-10-13 08:05:48,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:05:48,591 INFO L225 Difference]: With dead ends: 1180 [2020-10-13 08:05:48,591 INFO L226 Difference]: Without dead ends: 630 [2020-10-13 08:05:48,594 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-10-13 08:05:48,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2020-10-13 08:05:48,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 624. [2020-10-13 08:05:48,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-13 08:05:48,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 853 transitions. [2020-10-13 08:05:48,618 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 853 transitions. Word has length 145 [2020-10-13 08:05:48,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:05:48,618 INFO L479 AbstractCegarLoop]: Abstraction has 624 states and 853 transitions. [2020-10-13 08:05:48,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:05:48,619 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 853 transitions. [2020-10-13 08:05:48,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-13 08:05:48,621 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:05:48,621 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:05:48,622 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:05:48,622 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:05:48,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:05:48,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1376002822, now seen corresponding path program 1 times [2020-10-13 08:05:48,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:05:48,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1007004256] [2020-10-13 08:05:48,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:05:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:48,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:48,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:48,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:50,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:50,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-13 08:05:50,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:05:50,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1557 [2020-10-13 08:05:50,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:50,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:05:50,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 08:05:50,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 08:05:50,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:50,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:50,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:50,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:50,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:50,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:50,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:05:50,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:50,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:50,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:50,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:50,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:50,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:05:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:50,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:50,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:50,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 08:05:50,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:50,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-13 08:05:50,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:50,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:05:50,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:50,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 08:05:50,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:05:50,453 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:05:50,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1007004256] [2020-10-13 08:05:50,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:05:50,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:05:50,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193407887] [2020-10-13 08:05:50,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:05:50,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:05:50,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:05:50,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:05:50,460 INFO L87 Difference]: Start difference. First operand 624 states and 853 transitions. Second operand 5 states. [2020-10-13 08:05:51,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:05:51,880 INFO L93 Difference]: Finished difference Result 1063 states and 1482 transitions. [2020-10-13 08:05:51,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:05:51,881 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2020-10-13 08:05:51,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:05:51,885 INFO L225 Difference]: With dead ends: 1063 [2020-10-13 08:05:51,886 INFO L226 Difference]: Without dead ends: 630 [2020-10-13 08:05:51,887 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:05:51,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2020-10-13 08:05:51,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 624. [2020-10-13 08:05:51,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-13 08:05:51,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 850 transitions. [2020-10-13 08:05:51,908 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 850 transitions. Word has length 146 [2020-10-13 08:05:51,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:05:51,909 INFO L479 AbstractCegarLoop]: Abstraction has 624 states and 850 transitions. [2020-10-13 08:05:51,909 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:05:51,909 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 850 transitions. [2020-10-13 08:05:51,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-13 08:05:51,911 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:05:51,911 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:05:51,911 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:05:51,912 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:05:51,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:05:51,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1437675110, now seen corresponding path program 1 times [2020-10-13 08:05:51,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:05:51,913 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1066820528] [2020-10-13 08:05:51,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:05:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:51,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:52,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:52,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:53,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:53,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:53,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-13 08:05:53,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:05:53,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1585 [2020-10-13 08:05:53,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:53,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:05:53,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-13 08:05:53,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 08:05:53,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:53,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:53,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:53,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:53,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:53,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:53,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:05:53,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:53,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:53,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:53,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:53,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:53,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:05:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:53,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:53,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:53,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 08:05:53,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:53,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-13 08:05:53,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:53,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:05:53,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:53,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-13 08:05:53,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:05:53,844 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:05:53,845 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1066820528] [2020-10-13 08:05:53,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:05:53,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:05:53,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834220341] [2020-10-13 08:05:53,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:05:53,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:05:53,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:05:53,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:05:53,847 INFO L87 Difference]: Start difference. First operand 624 states and 850 transitions. Second operand 5 states. [2020-10-13 08:05:55,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:05:55,367 INFO L93 Difference]: Finished difference Result 1071 states and 1485 transitions. [2020-10-13 08:05:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:05:55,368 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-10-13 08:05:55,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:05:55,374 INFO L225 Difference]: With dead ends: 1071 [2020-10-13 08:05:55,374 INFO L226 Difference]: Without dead ends: 630 [2020-10-13 08:05:55,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:05:55,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2020-10-13 08:05:55,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 624. [2020-10-13 08:05:55,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-13 08:05:55,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 846 transitions. [2020-10-13 08:05:55,410 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 846 transitions. Word has length 152 [2020-10-13 08:05:55,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:05:55,411 INFO L479 AbstractCegarLoop]: Abstraction has 624 states and 846 transitions. [2020-10-13 08:05:55,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:05:55,411 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 846 transitions. [2020-10-13 08:05:55,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-13 08:05:55,415 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:05:55,416 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:05:55,416 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:05:55,416 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:05:55,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:05:55,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1857213266, now seen corresponding path program 1 times [2020-10-13 08:05:55,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:05:55,420 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [606564982] [2020-10-13 08:05:55,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:05:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:55,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:55,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:56,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:56,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:56,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-13 08:05:56,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:05:56,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1061 [2020-10-13 08:05:56,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:56,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:05:56,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-13 08:05:56,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 08:05:56,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:56,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:56,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:56,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:56,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:56,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:56,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:05:56,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:56,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:56,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:56,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:56,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:56,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:05:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:56,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:56,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:56,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 08:05:56,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:56,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-13 08:05:56,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:56,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:05:56,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:56,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-13 08:05:56,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:56,783 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:05:56,784 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [606564982] [2020-10-13 08:05:56,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:05:56,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:05:56,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509061144] [2020-10-13 08:05:56,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:05:56,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:05:56,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:05:56,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:05:56,790 INFO L87 Difference]: Start difference. First operand 624 states and 846 transitions. Second operand 5 states. [2020-10-13 08:05:58,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:05:58,870 INFO L93 Difference]: Finished difference Result 1069 states and 1476 transitions. [2020-10-13 08:05:58,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:05:58,871 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-10-13 08:05:58,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:05:58,875 INFO L225 Difference]: With dead ends: 1069 [2020-10-13 08:05:58,875 INFO L226 Difference]: Without dead ends: 630 [2020-10-13 08:05:58,877 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:05:58,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2020-10-13 08:05:58,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 624. [2020-10-13 08:05:58,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-13 08:05:58,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 843 transitions. [2020-10-13 08:05:58,897 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 843 transitions. Word has length 156 [2020-10-13 08:05:58,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:05:58,898 INFO L479 AbstractCegarLoop]: Abstraction has 624 states and 843 transitions. [2020-10-13 08:05:58,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:05:58,898 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 843 transitions. [2020-10-13 08:05:58,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-13 08:05:58,901 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:05:58,901 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:05:58,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:05:58,902 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:05:58,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:05:58,902 INFO L82 PathProgramCache]: Analyzing trace with hash 145037358, now seen corresponding path program 1 times [2020-10-13 08:05:58,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:05:58,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2034348417] [2020-10-13 08:05:58,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:05:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:58,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:59,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:59,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:59,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-13 08:05:59,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:05:59,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 801 [2020-10-13 08:05:59,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:59,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:05:59,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-13 08:05:59,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-13 08:05:59,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:59,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:05:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:59,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:59,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:59,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:05:59,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:59,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:05:59,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:59,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:05:59,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:59,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:05:59,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:05:59,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:05:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:05:59,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:05:59,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:05:59,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 08:05:59,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:05:59,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-13 08:05:59,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:05:59,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:05:59,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:05:59,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-13 08:05:59,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:05:59,969 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:05:59,971 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2034348417] [2020-10-13 08:05:59,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:05:59,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:05:59,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886626821] [2020-10-13 08:05:59,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:05:59,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:05:59,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:05:59,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:05:59,974 INFO L87 Difference]: Start difference. First operand 624 states and 843 transitions. Second operand 5 states. [2020-10-13 08:06:01,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:01,925 INFO L93 Difference]: Finished difference Result 1835 states and 2513 transitions. [2020-10-13 08:06:01,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:01,926 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2020-10-13 08:06:01,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:01,936 INFO L225 Difference]: With dead ends: 1835 [2020-10-13 08:06:01,937 INFO L226 Difference]: Without dead ends: 1217 [2020-10-13 08:06:01,939 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:06:01,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2020-10-13 08:06:01,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1202. [2020-10-13 08:06:01,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1202 states. [2020-10-13 08:06:01,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1202 states and 1577 transitions. [2020-10-13 08:06:01,979 INFO L78 Accepts]: Start accepts. Automaton has 1202 states and 1577 transitions. Word has length 158 [2020-10-13 08:06:01,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:01,980 INFO L479 AbstractCegarLoop]: Abstraction has 1202 states and 1577 transitions. [2020-10-13 08:06:01,980 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:06:01,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1577 transitions. [2020-10-13 08:06:01,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-13 08:06:01,983 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:01,983 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:06:01,983 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:06:01,983 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:01,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:01,984 INFO L82 PathProgramCache]: Analyzing trace with hash -9528418, now seen corresponding path program 1 times [2020-10-13 08:06:01,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:01,984 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [49892156] [2020-10-13 08:06:01,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:02,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:02,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:03,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:03,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-13 08:06:03,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:06:03,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1104 [2020-10-13 08:06:03,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:03,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:03,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 08:06:03,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-13 08:06:03,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:03,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:03,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:03,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:03,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:03,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:03,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:06:03,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:03,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:03,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:03,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:03,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:03,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:03,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:03,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:03,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:06:03,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:03,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-13 08:06:03,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:03,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:03,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:03,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-13 08:06:03,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:03,365 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:06:03,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [49892156] [2020-10-13 08:06:03,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:03,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 08:06:03,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017910937] [2020-10-13 08:06:03,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 08:06:03,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:03,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 08:06:03,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:06:03,368 INFO L87 Difference]: Start difference. First operand 1202 states and 1577 transitions. Second operand 6 states. [2020-10-13 08:06:05,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:05,422 INFO L93 Difference]: Finished difference Result 2599 states and 3512 transitions. [2020-10-13 08:06:05,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:05,423 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2020-10-13 08:06:05,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:05,432 INFO L225 Difference]: With dead ends: 2599 [2020-10-13 08:06:05,432 INFO L226 Difference]: Without dead ends: 1789 [2020-10-13 08:06:05,435 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:06:05,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1789 states. [2020-10-13 08:06:05,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1789 to 1393. [2020-10-13 08:06:05,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1393 states. [2020-10-13 08:06:05,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1882 transitions. [2020-10-13 08:06:05,478 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1882 transitions. Word has length 166 [2020-10-13 08:06:05,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:05,478 INFO L479 AbstractCegarLoop]: Abstraction has 1393 states and 1882 transitions. [2020-10-13 08:06:05,478 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 08:06:05,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1882 transitions. [2020-10-13 08:06:05,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-13 08:06:05,483 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:05,483 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:06:05,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:06:05,484 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:05,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:05,484 INFO L82 PathProgramCache]: Analyzing trace with hash 256072965, now seen corresponding path program 1 times [2020-10-13 08:06:05,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:05,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2064710468] [2020-10-13 08:06:05,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:05,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:05,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:06,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:06,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:06,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-13 08:06:06,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:06:06,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1167 [2020-10-13 08:06:06,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:06,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:06,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 154 [2020-10-13 08:06:06,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-13 08:06:06,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:06,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:06,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:06,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:06,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:06,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:06,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:06:06,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:06,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:06,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:06,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:06,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:06,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:06,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:06,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:06,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 08:06:06,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:06,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-13 08:06:06,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:06,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:06,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:06,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-13 08:06:06,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:06,964 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:06:06,964 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2064710468] [2020-10-13 08:06:06,965 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:06,965 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:06:06,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664047847] [2020-10-13 08:06:06,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:06:06,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:06,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:06:06,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:06:06,967 INFO L87 Difference]: Start difference. First operand 1393 states and 1882 transitions. Second operand 5 states. [2020-10-13 08:06:09,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:09,237 INFO L93 Difference]: Finished difference Result 3737 states and 5186 transitions. [2020-10-13 08:06:09,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:09,240 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 216 [2020-10-13 08:06:09,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:09,253 INFO L225 Difference]: With dead ends: 3737 [2020-10-13 08:06:09,254 INFO L226 Difference]: Without dead ends: 2350 [2020-10-13 08:06:09,258 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:06:09,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2350 states. [2020-10-13 08:06:09,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2350 to 2156. [2020-10-13 08:06:09,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2156 states. [2020-10-13 08:06:09,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 2156 states and 2759 transitions. [2020-10-13 08:06:09,335 INFO L78 Accepts]: Start accepts. Automaton has 2156 states and 2759 transitions. Word has length 216 [2020-10-13 08:06:09,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:09,336 INFO L479 AbstractCegarLoop]: Abstraction has 2156 states and 2759 transitions. [2020-10-13 08:06:09,336 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:06:09,336 INFO L276 IsEmpty]: Start isEmpty. Operand 2156 states and 2759 transitions. [2020-10-13 08:06:09,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-13 08:06:09,342 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:09,343 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:06:09,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:06:09,343 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:09,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:09,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1006218258, now seen corresponding path program 1 times [2020-10-13 08:06:09,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:09,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911261123] [2020-10-13 08:06:09,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:09,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:09,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:10,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:12,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:13,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:13,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-13 08:06:13,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:06:13,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3889 [2020-10-13 08:06:13,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:13,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:13,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-10-13 08:06:13,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-13 08:06:13,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:13,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:13,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:13,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:13,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:13,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:13,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:06:13,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:13,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:13,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:13,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:13,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:13,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:13,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:13,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:13,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 08:06:13,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:13,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 08:06:13,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:13,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:13,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 08:06:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:13,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:13,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:13,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 08:06:13,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:13,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-13 08:06:13,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:13,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:13,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:13,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-13 08:06:13,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:06:13,557 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 131 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-13 08:06:13,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911261123] [2020-10-13 08:06:13,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:13,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:06:13,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803047933] [2020-10-13 08:06:13,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:06:13,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:13,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:06:13,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:06:13,562 INFO L87 Difference]: Start difference. First operand 2156 states and 2759 transitions. Second operand 5 states. [2020-10-13 08:06:15,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:15,703 INFO L93 Difference]: Finished difference Result 4495 states and 6010 transitions. [2020-10-13 08:06:15,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:15,705 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 235 [2020-10-13 08:06:15,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:15,730 INFO L225 Difference]: With dead ends: 4495 [2020-10-13 08:06:15,730 INFO L226 Difference]: Without dead ends: 2921 [2020-10-13 08:06:15,736 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:06:15,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2921 states. [2020-10-13 08:06:15,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2921 to 2729. [2020-10-13 08:06:15,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2729 states. [2020-10-13 08:06:15,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2729 states to 2729 states and 3454 transitions. [2020-10-13 08:06:15,861 INFO L78 Accepts]: Start accepts. Automaton has 2729 states and 3454 transitions. Word has length 235 [2020-10-13 08:06:15,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:15,862 INFO L479 AbstractCegarLoop]: Abstraction has 2729 states and 3454 transitions. [2020-10-13 08:06:15,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:06:15,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2729 states and 3454 transitions. [2020-10-13 08:06:15,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-10-13 08:06:15,869 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:15,869 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:06:15,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:06:15,870 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:15,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:15,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1633383626, now seen corresponding path program 1 times [2020-10-13 08:06:15,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:15,871 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1944294680] [2020-10-13 08:06:15,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:15,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:15,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:17,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:17,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-13 08:06:17,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:06:17,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1331 [2020-10-13 08:06:17,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:17,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:17,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-13 08:06:17,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-13 08:06:17,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:17,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:17,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:17,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:17,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:17,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:17,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:06:17,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:17,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:17,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:17,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:17,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:17,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:17,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:17,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:17,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 08:06:17,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:17,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-13 08:06:17,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:17,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:17,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:17,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-13 08:06:17,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:17,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 08:06:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:17,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:17,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:17,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 08:06:17,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:17,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-13 08:06:17,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:17,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:17,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:06:17,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-13 08:06:17,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:17,593 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 08:06:17,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1944294680] [2020-10-13 08:06:17,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:17,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:06:17,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751409104] [2020-10-13 08:06:17,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:06:17,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:17,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:06:17,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:06:17,596 INFO L87 Difference]: Start difference. First operand 2729 states and 3454 transitions. Second operand 7 states. [2020-10-13 08:06:21,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:21,832 INFO L93 Difference]: Finished difference Result 8289 states and 11025 transitions. [2020-10-13 08:06:21,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 08:06:21,833 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 239 [2020-10-13 08:06:21,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:21,863 INFO L225 Difference]: With dead ends: 8289 [2020-10-13 08:06:21,863 INFO L226 Difference]: Without dead ends: 5566 [2020-10-13 08:06:21,873 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:06:21,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5566 states. [2020-10-13 08:06:22,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5566 to 5481. [2020-10-13 08:06:22,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5481 states. [2020-10-13 08:06:22,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5481 states to 5481 states and 6977 transitions. [2020-10-13 08:06:22,032 INFO L78 Accepts]: Start accepts. Automaton has 5481 states and 6977 transitions. Word has length 239 [2020-10-13 08:06:22,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:22,033 INFO L479 AbstractCegarLoop]: Abstraction has 5481 states and 6977 transitions. [2020-10-13 08:06:22,033 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:06:22,033 INFO L276 IsEmpty]: Start isEmpty. Operand 5481 states and 6977 transitions. [2020-10-13 08:06:22,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-10-13 08:06:22,047 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:22,048 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:06:22,048 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:06:22,049 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:22,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:22,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1264664742, now seen corresponding path program 1 times [2020-10-13 08:06:22,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:22,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [897602833] [2020-10-13 08:06:22,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:22,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:22,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:23,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:23,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-13 08:06:23,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:06:23,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1550 [2020-10-13 08:06:23,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:23,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:23,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 08:06:23,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-13 08:06:23,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:23,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:23,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:23,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:23,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:23,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:23,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:06:23,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:23,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:23,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:23,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:23,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:23,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:23,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:23,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:23,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:06:23,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:23,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 08:06:23,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:23,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:23,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:23,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-13 08:06:23,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:23,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 08:06:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:23,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:23,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:23,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 08:06:23,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:23,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-13 08:06:23,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:23,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:23,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:06:23,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-13 08:06:23,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:24,056 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 08:06:24,057 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [897602833] [2020-10-13 08:06:24,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:24,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:06:24,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224152639] [2020-10-13 08:06:24,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:06:24,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:24,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:06:24,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:06:24,059 INFO L87 Difference]: Start difference. First operand 5481 states and 6977 transitions. Second operand 7 states. [2020-10-13 08:06:26,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:26,343 INFO L93 Difference]: Finished difference Result 10219 states and 13337 transitions. [2020-10-13 08:06:26,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 08:06:26,348 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 247 [2020-10-13 08:06:26,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:26,370 INFO L225 Difference]: With dead ends: 10219 [2020-10-13 08:06:26,370 INFO L226 Difference]: Without dead ends: 5129 [2020-10-13 08:06:26,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-13 08:06:26,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5129 states. [2020-10-13 08:06:26,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5129 to 5109. [2020-10-13 08:06:26,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5109 states. [2020-10-13 08:06:26,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5109 states to 5109 states and 6417 transitions. [2020-10-13 08:06:26,513 INFO L78 Accepts]: Start accepts. Automaton has 5109 states and 6417 transitions. Word has length 247 [2020-10-13 08:06:26,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:26,513 INFO L479 AbstractCegarLoop]: Abstraction has 5109 states and 6417 transitions. [2020-10-13 08:06:26,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:06:26,514 INFO L276 IsEmpty]: Start isEmpty. Operand 5109 states and 6417 transitions. [2020-10-13 08:06:26,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-13 08:06:26,524 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:26,525 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:06:26,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 08:06:26,525 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:26,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:26,526 INFO L82 PathProgramCache]: Analyzing trace with hash 774731210, now seen corresponding path program 1 times [2020-10-13 08:06:26,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:26,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [987411830] [2020-10-13 08:06:26,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:26,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:26,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:27,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:27,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:29,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:29,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-13 08:06:29,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:06:29,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2578 [2020-10-13 08:06:29,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:29,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:29,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 200 [2020-10-13 08:06:29,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-13 08:06:29,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:29,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:29,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:29,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:29,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:29,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:29,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:06:29,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:29,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:29,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:29,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:29,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:29,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:29,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:29,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:29,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 08:06:29,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:29,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 08:06:29,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:29,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:29,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:29,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:29,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:29,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 08:06:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:29,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:29,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:29,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-13 08:06:29,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:29,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 08:06:29,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:29,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:29,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:29,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-13 08:06:29,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:29,399 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 131 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-13 08:06:29,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [987411830] [2020-10-13 08:06:29,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:29,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:06:29,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748586934] [2020-10-13 08:06:29,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:06:29,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:29,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:06:29,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:06:29,401 INFO L87 Difference]: Start difference. First operand 5109 states and 6417 transitions. Second operand 5 states. [2020-10-13 08:06:31,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:31,712 INFO L93 Difference]: Finished difference Result 10021 states and 13018 transitions. [2020-10-13 08:06:31,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:31,716 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 260 [2020-10-13 08:06:31,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:31,741 INFO L225 Difference]: With dead ends: 10021 [2020-10-13 08:06:31,742 INFO L226 Difference]: Without dead ends: 6272 [2020-10-13 08:06:31,752 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:06:31,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6272 states. [2020-10-13 08:06:31,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6272 to 6074. [2020-10-13 08:06:31,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6074 states. [2020-10-13 08:06:31,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6074 states to 6074 states and 7614 transitions. [2020-10-13 08:06:31,870 INFO L78 Accepts]: Start accepts. Automaton has 6074 states and 7614 transitions. Word has length 260 [2020-10-13 08:06:31,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:31,871 INFO L479 AbstractCegarLoop]: Abstraction has 6074 states and 7614 transitions. [2020-10-13 08:06:31,871 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:06:31,871 INFO L276 IsEmpty]: Start isEmpty. Operand 6074 states and 7614 transitions. [2020-10-13 08:06:31,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-10-13 08:06:31,884 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:31,884 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:06:31,884 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 08:06:31,885 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:31,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:31,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1892103829, now seen corresponding path program 1 times [2020-10-13 08:06:31,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:31,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2019982965] [2020-10-13 08:06:31,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:31,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:32,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:33,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:33,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-10-13 08:06:33,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:06:33,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1203 [2020-10-13 08:06:33,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:33,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:33,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 141 [2020-10-13 08:06:33,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-13 08:06:33,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:33,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:33,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:33,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:33,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:33,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:33,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:06:33,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:33,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:33,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:33,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:33,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:33,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:33,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:33,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:33,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:06:33,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:33,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-13 08:06:33,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:33,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:33,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:33,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-13 08:06:33,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:33,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:06:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:33,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:33,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:33,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 08:06:33,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:33,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-13 08:06:33,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:33,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:33,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:06:33,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-13 08:06:33,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:33,551 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 08:06:33,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2019982965] [2020-10-13 08:06:33,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:33,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:06:33,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43912242] [2020-10-13 08:06:33,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:06:33,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:33,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:06:33,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:06:33,553 INFO L87 Difference]: Start difference. First operand 6074 states and 7614 transitions. Second operand 7 states. [2020-10-13 08:06:36,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:36,372 INFO L93 Difference]: Finished difference Result 12816 states and 17754 transitions. [2020-10-13 08:06:36,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 08:06:36,373 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 284 [2020-10-13 08:06:36,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:36,419 INFO L225 Difference]: With dead ends: 12816 [2020-10-13 08:06:36,419 INFO L226 Difference]: Without dead ends: 8104 [2020-10-13 08:06:36,434 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-13 08:06:36,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8104 states. [2020-10-13 08:06:36,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8104 to 7690. [2020-10-13 08:06:36,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7690 states. [2020-10-13 08:06:36,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7690 states to 7690 states and 9595 transitions. [2020-10-13 08:06:36,664 INFO L78 Accepts]: Start accepts. Automaton has 7690 states and 9595 transitions. Word has length 284 [2020-10-13 08:06:36,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:36,665 INFO L479 AbstractCegarLoop]: Abstraction has 7690 states and 9595 transitions. [2020-10-13 08:06:36,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:06:36,665 INFO L276 IsEmpty]: Start isEmpty. Operand 7690 states and 9595 transitions. [2020-10-13 08:06:36,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-10-13 08:06:36,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:36,683 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:06:36,684 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 08:06:36,684 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:36,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:36,684 INFO L82 PathProgramCache]: Analyzing trace with hash 432338882, now seen corresponding path program 1 times [2020-10-13 08:06:36,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:36,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [547311400] [2020-10-13 08:06:36,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:36,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:36,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:37,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:37,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:39,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:39,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:39,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 309 [2020-10-13 08:06:39,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:06:39,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2912 [2020-10-13 08:06:39,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:39,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:39,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 236 [2020-10-13 08:06:39,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-13 08:06:39,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:39,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:39,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:39,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:39,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:39,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:39,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:06:39,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:39,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:39,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:39,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:39,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:39,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:39,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:39,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:39,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 08:06:39,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:39,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 08:06:39,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:39,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:39,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:39,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:39,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:39,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 08:06:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:39,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:39,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:39,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:39,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-13 08:06:39,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:06:39,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-13 08:06:39,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:39,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:39,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:39,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-13 08:06:39,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:39,962 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 131 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-13 08:06:39,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [547311400] [2020-10-13 08:06:39,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:39,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:06:39,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923071004] [2020-10-13 08:06:39,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:06:39,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:39,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:06:39,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:06:39,964 INFO L87 Difference]: Start difference. First operand 7690 states and 9595 transitions. Second operand 5 states. [2020-10-13 08:06:42,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:42,215 INFO L93 Difference]: Finished difference Result 16667 states and 21147 transitions. [2020-10-13 08:06:42,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:42,217 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 297 [2020-10-13 08:06:42,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:42,249 INFO L225 Difference]: With dead ends: 16667 [2020-10-13 08:06:42,249 INFO L226 Difference]: Without dead ends: 10353 [2020-10-13 08:06:42,264 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:06:42,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10353 states. [2020-10-13 08:06:42,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10353 to 10153. [2020-10-13 08:06:42,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10153 states. [2020-10-13 08:06:42,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10153 states to 10153 states and 12570 transitions. [2020-10-13 08:06:42,600 INFO L78 Accepts]: Start accepts. Automaton has 10153 states and 12570 transitions. Word has length 297 [2020-10-13 08:06:42,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:42,601 INFO L479 AbstractCegarLoop]: Abstraction has 10153 states and 12570 transitions. [2020-10-13 08:06:42,601 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:06:42,601 INFO L276 IsEmpty]: Start isEmpty. Operand 10153 states and 12570 transitions. [2020-10-13 08:06:42,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-10-13 08:06:42,627 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:42,628 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:06:42,628 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 08:06:42,628 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:42,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:42,630 INFO L82 PathProgramCache]: Analyzing trace with hash -671168630, now seen corresponding path program 1 times [2020-10-13 08:06:42,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:42,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [690315507] [2020-10-13 08:06:42,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:42,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:42,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:42,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:43,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:43,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:43,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:43,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 331 [2020-10-13 08:06:43,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:06:43,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1110 [2020-10-13 08:06:43,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:43,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:43,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 257 [2020-10-13 08:06:43,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:06:43,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:43,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:43,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:43,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:43,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:43,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:43,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:06:43,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:43,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:43,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:43,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:43,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:43,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:43,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:43,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:43,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 08:06:43,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:43,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 08:06:43,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:43,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:43,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:43,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:43,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:43,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 08:06:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:43,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:44,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:44,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-13 08:06:44,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:44,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-13 08:06:44,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:44,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:44,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-10-13 08:06:44,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:06:44,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:44,075 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-13 08:06:44,076 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [690315507] [2020-10-13 08:06:44,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:06:44,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 08:06:44,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470396950] [2020-10-13 08:06:44,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:06:44,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:44,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:06:44,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:06:44,078 INFO L87 Difference]: Start difference. First operand 10153 states and 12570 transitions. Second operand 5 states. [2020-10-13 08:06:45,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:45,497 INFO L93 Difference]: Finished difference Result 18927 states and 23489 transitions. [2020-10-13 08:06:45,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:45,498 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 319 [2020-10-13 08:06:45,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:45,527 INFO L225 Difference]: With dead ends: 18927 [2020-10-13 08:06:45,527 INFO L226 Difference]: Without dead ends: 10150 [2020-10-13 08:06:45,544 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:06:45,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10150 states. [2020-10-13 08:06:45,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10150 to 10142. [2020-10-13 08:06:45,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10142 states. [2020-10-13 08:06:45,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10142 states to 10142 states and 12537 transitions. [2020-10-13 08:06:45,746 INFO L78 Accepts]: Start accepts. Automaton has 10142 states and 12537 transitions. Word has length 319 [2020-10-13 08:06:45,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:45,747 INFO L479 AbstractCegarLoop]: Abstraction has 10142 states and 12537 transitions. [2020-10-13 08:06:45,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:06:45,747 INFO L276 IsEmpty]: Start isEmpty. Operand 10142 states and 12537 transitions. [2020-10-13 08:06:45,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2020-10-13 08:06:45,784 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:45,785 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 08:06:45,785 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 08:06:45,785 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:45,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:45,786 INFO L82 PathProgramCache]: Analyzing trace with hash -437638248, now seen corresponding path program 1 times [2020-10-13 08:06:45,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:45,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1502696027] [2020-10-13 08:06:45,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:45,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:45,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:46,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:48,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:48,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 390 [2020-10-13 08:06:48,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:06:48,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2296 [2020-10-13 08:06:48,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:48,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:48,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 233 [2020-10-13 08:06:48,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:06:48,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:48,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:48,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:48,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:48,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:48,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:48,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:06:48,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:48,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:48,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:48,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:48,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:48,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:48,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:48,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:48,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 08:06:48,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:48,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 08:06:48,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:48,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:48,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 08:06:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:48,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:48,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:48,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-13 08:06:48,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:48,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-13 08:06:48,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:48,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:48,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-10-13 08:06:48,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:06:48,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:48,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-13 08:06:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:48,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:48,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:48,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 08:06:48,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:48,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 08:06:48,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:48,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:48,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-13 08:06:48,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:48,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:48,483 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 202 proven. 2 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2020-10-13 08:06:48,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1502696027] [2020-10-13 08:06:48,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:48,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:06:48,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445856821] [2020-10-13 08:06:48,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:06:48,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:48,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:06:48,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:06:48,485 INFO L87 Difference]: Start difference. First operand 10142 states and 12537 transitions. Second operand 5 states. [2020-10-13 08:06:50,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:06:50,750 INFO L93 Difference]: Finished difference Result 19667 states and 24312 transitions. [2020-10-13 08:06:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:06:50,752 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 376 [2020-10-13 08:06:50,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:06:50,780 INFO L225 Difference]: With dead ends: 19667 [2020-10-13 08:06:50,781 INFO L226 Difference]: Without dead ends: 9945 [2020-10-13 08:06:50,803 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:06:50,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9945 states. [2020-10-13 08:06:50,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9945 to 9749. [2020-10-13 08:06:50,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9749 states. [2020-10-13 08:06:51,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9749 states to 9749 states and 11728 transitions. [2020-10-13 08:06:51,006 INFO L78 Accepts]: Start accepts. Automaton has 9749 states and 11728 transitions. Word has length 376 [2020-10-13 08:06:51,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:06:51,006 INFO L479 AbstractCegarLoop]: Abstraction has 9749 states and 11728 transitions. [2020-10-13 08:06:51,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:06:51,007 INFO L276 IsEmpty]: Start isEmpty. Operand 9749 states and 11728 transitions. [2020-10-13 08:06:51,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2020-10-13 08:06:51,034 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:06:51,034 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:06:51,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 08:06:51,035 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:06:51,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:06:51,035 INFO L82 PathProgramCache]: Analyzing trace with hash 327430249, now seen corresponding path program 1 times [2020-10-13 08:06:51,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:06:51,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [468126662] [2020-10-13 08:06:51,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:06:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:51,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:51,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:51,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:51,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:56,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:56,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 424 [2020-10-13 08:06:56,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:06:56,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-13 08:06:56,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:56,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:56,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 268 [2020-10-13 08:06:56,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 08:06:56,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:56,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:06:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:56,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:56,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:56,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:06:56,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:56,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:06:56,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:56,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:56,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:56,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:56,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:56,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:06:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:56,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:56,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:56,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 08:06:56,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:56,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:06:56,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:56,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:06:56,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:56,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:06:56,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:56,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 08:06:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:56,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:56,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:56,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-13 08:06:56,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:56,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-13 08:06:56,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:56,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:06:56,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:06:56,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-10-13 08:06:56,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:56,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-10-13 08:06:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:06:56,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:06:56,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:06:56,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 08:06:56,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:06:56,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-13 08:06:56,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:06:56,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:06:56,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:06:56,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-13 08:06:56,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:06:56,739 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 356 proven. 2 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-13 08:06:56,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [468126662] [2020-10-13 08:06:56,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:06:56,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:06:56,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620895568] [2020-10-13 08:06:56,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:06:56,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:06:56,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:06:56,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:06:56,741 INFO L87 Difference]: Start difference. First operand 9749 states and 11728 transitions. Second operand 7 states. [2020-10-13 08:07:00,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:07:00,857 INFO L93 Difference]: Finished difference Result 21275 states and 27098 transitions. [2020-10-13 08:07:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 08:07:00,858 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 410 [2020-10-13 08:07:00,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:07:00,890 INFO L225 Difference]: With dead ends: 21275 [2020-10-13 08:07:00,890 INFO L226 Difference]: Without dead ends: 12126 [2020-10-13 08:07:00,905 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:07:00,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12126 states. [2020-10-13 08:07:01,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12126 to 11485. [2020-10-13 08:07:01,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11485 states. [2020-10-13 08:07:01,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11485 states to 11485 states and 13742 transitions. [2020-10-13 08:07:01,191 INFO L78 Accepts]: Start accepts. Automaton has 11485 states and 13742 transitions. Word has length 410 [2020-10-13 08:07:01,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:07:01,191 INFO L479 AbstractCegarLoop]: Abstraction has 11485 states and 13742 transitions. [2020-10-13 08:07:01,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:07:01,192 INFO L276 IsEmpty]: Start isEmpty. Operand 11485 states and 13742 transitions. [2020-10-13 08:07:01,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2020-10-13 08:07:01,234 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:07:01,235 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-13 08:07:01,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 08:07:01,236 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:07:01,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:07:01,237 INFO L82 PathProgramCache]: Analyzing trace with hash 643457582, now seen corresponding path program 1 times [2020-10-13 08:07:01,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:07:01,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1960539173] [2020-10-13 08:07:01,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:07:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:01,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:01,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:04,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:06,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:06,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 473 [2020-10-13 08:07:06,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:07:06,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-13 08:07:06,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:06,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:07:06,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 238 [2020-10-13 08:07:06,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-13 08:07:06,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:06,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:07:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:06,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:06,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:06,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:07:06,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:06,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:07:06,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:06,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:07:06,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:06,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:07:06,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:06,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:07:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:06,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:06,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:06,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 08:07:06,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:06,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:07:06,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:06,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:07:06,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:06,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:07:06,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:06,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 08:07:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:06,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:06,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:06,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-13 08:07:06,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:06,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-13 08:07:06,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:06,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:07:06,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:06,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-13 08:07:06,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:06,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-13 08:07:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:06,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:06,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:06,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-13 08:07:06,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:06,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-13 08:07:06,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:06,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:07:06,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:07:06,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-13 08:07:06,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:06,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-10-13 08:07:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:06,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:06,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:06,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 08:07:06,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:06,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 08:07:06,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:06,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:07:06,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-13 08:07:06,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:07:06,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:06,777 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 423 proven. 77 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2020-10-13 08:07:06,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1960539173] [2020-10-13 08:07:06,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:07:06,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:07:06,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039563059] [2020-10-13 08:07:06,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:07:06,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:07:06,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:07:06,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:07:06,779 INFO L87 Difference]: Start difference. First operand 11485 states and 13742 transitions. Second operand 7 states. [2020-10-13 08:07:10,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:07:10,369 INFO L93 Difference]: Finished difference Result 24801 states and 30462 transitions. [2020-10-13 08:07:10,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 08:07:10,370 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 457 [2020-10-13 08:07:10,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:07:10,371 INFO L225 Difference]: With dead ends: 24801 [2020-10-13 08:07:10,371 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:07:10,400 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:07:10,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:07:10,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:07:10,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:07:10,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:07:10,401 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 457 [2020-10-13 08:07:10,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:07:10,401 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:07:10,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:07:10,401 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:07:10,401 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:07:10,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-13 08:07:10,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:07:13,070 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 572 DAG size of output: 232 [2020-10-13 08:07:13,872 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 232 [2020-10-13 08:07:15,591 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 366 DAG size of output: 76 [2020-10-13 08:07:17,043 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 217 DAG size of output: 61 [2020-10-13 08:07:18,421 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 217 DAG size of output: 61 [2020-10-13 08:07:18,426 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:07:18,426 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a3~0 |old(~a3~0)|)) [2020-10-13 08:07:18,426 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:07:18,427 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-13 08:07:18,427 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-13 08:07:18,427 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-13 08:07:18,427 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,427 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,428 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,428 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,428 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,428 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,428 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,428 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-13 08:07:18,429 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-13 08:07:18,429 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-13 08:07:18,429 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,429 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,429 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,429 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,429 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,429 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,429 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,430 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,430 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,430 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-13 08:07:18,430 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-13 08:07:18,430 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-13 08:07:18,430 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,430 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,430 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,430 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,431 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,431 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,431 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,431 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,431 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,431 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-13 08:07:18,431 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-13 08:07:18,431 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-13 08:07:18,431 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-10-13 08:07:18,432 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-13 08:07:18,432 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-10-13 08:07:18,432 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-10-13 08:07:18,432 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,432 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,432 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,432 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,432 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,432 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,432 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,432 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,432 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,432 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,432 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-13 08:07:18,432 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-13 08:07:18,433 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-13 08:07:18,433 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,433 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,433 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,433 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,433 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,433 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-13 08:07:18,433 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-13 08:07:18,433 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-13 08:07:18,433 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,433 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,433 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,433 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,433 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,433 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-10-13 08:07:18,434 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-10-13 08:07:18,434 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,434 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,434 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,434 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,434 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,434 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,434 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-10-13 08:07:18,434 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-10-13 08:07:18,434 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,434 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,434 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-13 08:07:18,434 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-13 08:07:18,434 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-13 08:07:18,434 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,434 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,434 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,435 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,435 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,435 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,435 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,435 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-13 08:07:18,435 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-13 08:07:18,435 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-13 08:07:18,435 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-10-13 08:07:18,435 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-10-13 08:07:18,435 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-10-13 08:07:18,435 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-10-13 08:07:18,435 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,435 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,435 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-10-13 08:07:18,435 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-10-13 08:07:18,435 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,436 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,436 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,436 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,436 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse8 (= ~a23~0 |old(~a23~0)|)) (.cse9 (= ~a29~0 |old(~a29~0)|)) (.cse10 (= ~a4~0 |old(~a4~0)|))) (let ((.cse11 (not (<= (+ |old(~a29~0)| 28445) 0))) (.cse4 (not (<= 0 (+ |old(~a23~0)| 42)))) (.cse5 (not (<= |old(~a23~0)| 138))) (.cse6 (not (<= 278 |old(~a29~0)|))) (.cse2 (not (= 9 |old(~a25~0)|))) (.cse7 (not (<= 10 |old(~a25~0)|))) (.cse3 (not (= |old(~a4~0)| 1))) (.cse0 (not (= ~a8~0 15))) (.cse1 (and (= ~a25~0 |old(~a25~0)|) .cse8 .cse9 .cse10))) (and (or .cse0 .cse1 (not (<= (+ |old(~a29~0)| 554036) 0)) .cse2) (or .cse3 .cse0 .cse4 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1 .cse5) (or .cse3 .cse0 .cse6 .cse1) (or .cse7 .cse0 .cse4 .cse1 .cse5) (or (not (<= 12 |old(~a25~0)|)) (and (<= ~a25~0 12) .cse8 .cse9 .cse10 (<= 12 ~a25~0)) .cse0 (not (<= |old(~a25~0)| 12))) (or .cse7 .cse0 .cse11 .cse1) (or .cse3 .cse0 .cse11 .cse1) (or .cse0 .cse4 .cse1 .cse2 .cse5) (or .cse0 .cse1 (not (= 11 |old(~a25~0)|))) (or .cse3 .cse0 (not (<= 307 |old(~a23~0)|)) .cse1) (or .cse0 .cse6 .cse1 .cse2) (or .cse7 .cse3 .cse0 .cse1)))) [2020-10-13 08:07:18,436 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,436 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-13 08:07:18,436 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-13 08:07:18,436 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-13 08:07:18,437 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,437 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,437 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,437 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,437 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,437 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,437 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-13 08:07:18,437 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-13 08:07:18,437 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-13 08:07:18,437 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,437 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,437 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,437 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,438 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,438 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,438 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,438 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,438 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-13 08:07:18,438 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-13 08:07:18,438 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-13 08:07:18,438 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,438 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,438 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,438 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,438 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,438 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,438 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,438 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,438 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,439 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,439 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,439 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-10-13 08:07:18,439 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-10-13 08:07:18,439 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-13 08:07:18,439 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-13 08:07:18,439 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-13 08:07:18,439 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,439 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,439 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,439 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,439 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,439 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,439 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,439 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-13 08:07:18,440 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-13 08:07:18,440 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-13 08:07:18,440 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,440 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,440 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,440 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-10-13 08:07:18,440 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-10-13 08:07:18,440 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,440 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,441 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,441 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,441 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,441 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 204) no Hoare annotation was computed. [2020-10-13 08:07:18,441 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-13 08:07:18,441 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-13 08:07:18,441 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,441 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,441 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-10-13 08:07:18,442 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-10-13 08:07:18,442 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,442 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,442 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,442 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,442 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,442 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,442 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-13 08:07:18,442 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-13 08:07:18,442 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-10-13 08:07:18,443 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-10-13 08:07:18,443 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,443 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,443 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,443 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,443 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,443 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,443 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,443 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,443 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-13 08:07:18,443 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-13 08:07:18,444 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-10-13 08:07:18,444 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-10-13 08:07:18,444 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-10-13 08:07:18,444 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-10-13 08:07:18,444 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,444 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,444 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,444 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,444 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,444 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,444 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,445 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-13 08:07:18,445 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-13 08:07:18,445 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,445 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,445 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,445 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,445 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,445 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,445 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,445 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-13 08:07:18,446 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-13 08:07:18,446 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,446 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,446 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,446 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,446 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,446 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,446 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,446 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-13 08:07:18,447 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,447 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,447 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,447 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-13 08:07:18,447 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-13 08:07:18,447 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-13 08:07:18,447 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,447 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-10-13 08:07:18,447 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,448 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-10-13 08:07:18,448 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,448 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,448 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,448 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,448 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,448 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,448 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-13 08:07:18,448 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-13 08:07:18,448 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-13 08:07:18,449 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,449 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,449 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,449 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,449 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,449 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,449 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,449 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,449 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,449 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,449 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-13 08:07:18,450 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-13 08:07:18,450 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-13 08:07:18,450 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,450 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-10-13 08:07:18,450 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-10-13 08:07:18,450 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,450 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,450 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,450 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,450 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,451 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,451 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-13 08:07:18,451 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-13 08:07:18,451 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-13 08:07:18,451 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,451 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,451 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,451 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,451 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-10-13 08:07:18,451 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-10-13 08:07:18,452 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,452 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,452 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-10-13 08:07:18,452 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,452 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,452 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:07:18,452 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:07:18,453 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 10 ~a25~0) (= ~a8~0 15) (= ~a4~0 1) (= ~a23~0 312)) [2020-10-13 08:07:18,453 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:07:18,453 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:07:18,453 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (<= 10 |old(~a25~0)|)) (not (= |old(~a4~0)| 1)) (not (= 312 |old(~a23~0)|)) (not (= ~a8~0 15)) (and (= ~a25~0 |old(~a25~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a23~0 312))) [2020-10-13 08:07:18,453 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-10-13 08:07:18,453 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse0 (<= 278 ~a29~0)) (.cse5 (= ~a25~0 9)) (.cse4 (<= (+ ~a29~0 28445) 0)) (.cse1 (= ~a4~0 1)) (.cse2 (<= ~a23~0 138)) (.cse6 (<= 10 ~a25~0)) (.cse3 (< 0 (+ ~a23~0 43)))) (or (not (<= 10 |old(~a25~0)|)) (= ~a25~0 11) (and .cse0 .cse1) (not (= ~a8~0 15)) (and .cse2 .cse1 .cse3) (and (<= ~a25~0 12) (<= 12 ~a25~0)) (not (= |old(~a4~0)| 1)) (and .cse4 .cse1) (and .cse5 .cse0) (not (= 312 |old(~a23~0)|)) (and .cse5 (<= (+ ~a29~0 554036) 0)) (and .cse5 .cse2 .cse3) (and .cse5 (<= 0 (+ ~a23~0 42)) .cse1) (and .cse4 .cse6) (and .cse6 .cse1) (and (<= 307 ~a23~0) .cse1) (and .cse2 .cse6 .cse3))) [2020-10-13 08:07:18,453 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-10-13 08:07:18,453 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-10-13 08:07:18,454 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse0 (<= 278 ~a29~0)) (.cse5 (= ~a25~0 9)) (.cse4 (<= (+ ~a29~0 28445) 0)) (.cse1 (= ~a4~0 1)) (.cse2 (<= ~a23~0 138)) (.cse6 (<= 10 ~a25~0)) (.cse3 (< 0 (+ ~a23~0 43)))) (or (not (<= 10 |old(~a25~0)|)) (= ~a25~0 11) (and .cse0 .cse1) (not (= ~a8~0 15)) (and .cse2 .cse1 .cse3) (and (<= ~a25~0 12) (<= 12 ~a25~0)) (not (= |old(~a4~0)| 1)) (and .cse4 .cse1) (and .cse5 .cse0) (not (= 312 |old(~a23~0)|)) (and .cse5 (<= (+ ~a29~0 554036) 0)) (and .cse5 .cse2 .cse3) (and .cse5 (<= 0 (+ ~a23~0 42)) .cse1) (and .cse4 .cse6) (and .cse6 .cse1) (and (<= 307 ~a23~0) .cse1) (and .cse2 .cse6 .cse3))) [2020-10-13 08:07:18,454 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-10-13 08:07:18,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:07:18 BoogieIcfgContainer [2020-10-13 08:07:18,477 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:07:18,479 INFO L168 Benchmark]: Toolchain (without parser) took 108712.76 ms. Allocated memory was 137.4 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 97.2 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2020-10-13 08:07:18,480 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 08:07:18,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1248.48 ms. Allocated memory was 137.4 MB in the beginning and 204.5 MB in the end (delta: 67.1 MB). Free memory was 97.0 MB in the beginning and 156.9 MB in the end (delta: -59.9 MB). Peak memory consumption was 44.6 MB. Max. memory is 7.1 GB. [2020-10-13 08:07:18,481 INFO L168 Benchmark]: Boogie Preprocessor took 211.88 ms. Allocated memory is still 204.5 MB. Free memory was 156.9 MB in the beginning and 149.1 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. [2020-10-13 08:07:18,482 INFO L168 Benchmark]: RCFGBuilder took 1889.49 ms. Allocated memory was 204.5 MB in the beginning and 233.3 MB in the end (delta: 28.8 MB). Free memory was 149.1 MB in the beginning and 94.3 MB in the end (delta: 54.8 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2020-10-13 08:07:18,482 INFO L168 Benchmark]: TraceAbstraction took 105357.46 ms. Allocated memory was 233.3 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 94.3 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2020-10-13 08:07:18,486 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1248.48 ms. Allocated memory was 137.4 MB in the beginning and 204.5 MB in the end (delta: 67.1 MB). Free memory was 97.0 MB in the beginning and 156.9 MB in the end (delta: -59.9 MB). Peak memory consumption was 44.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 211.88 ms. Allocated memory is still 204.5 MB. Free memory was 156.9 MB in the beginning and 149.1 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1889.49 ms. Allocated memory was 204.5 MB in the beginning and 233.3 MB in the end (delta: 28.8 MB). Free memory was 149.1 MB in the beginning and 94.3 MB in the end (delta: 54.8 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 105357.46 ms. Allocated memory was 233.3 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 94.3 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 204]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1034]: Loop Invariant Derived loop invariant: (((((((((((((((!(10 <= \old(a25)) || a25 == 11) || (278 <= a29 && a4 == 1)) || !(a8 == 15)) || ((a23 <= 138 && a4 == 1) && 0 < a23 + 43)) || (a25 <= 12 && 12 <= a25)) || !(\old(a4) == 1)) || (a29 + 28445 <= 0 && a4 == 1)) || (a25 == 9 && 278 <= a29)) || !(312 == \old(a23))) || (a25 == 9 && a29 + 554036 <= 0)) || ((a25 == 9 && a23 <= 138) && 0 < a23 + 43)) || ((a25 == 9 && 0 <= a23 + 42) && a4 == 1)) || (a29 + 28445 <= 0 && 10 <= a25)) || (10 <= a25 && a4 == 1)) || (307 <= a23 && a4 == 1)) || ((a23 <= 138 && 10 <= a25) && 0 < a23 + 43) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 97.2s, OverallIterations: 19, TraceHistogramMax: 5, AutomataDifference: 47.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 887 SDtfs, 9371 SDslu, 1276 SDs, 0 SdLazy, 24468 SolverSat, 2693 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 275 GetRequests, 156 SyntacticMatches, 4 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11485occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 19 MinimizatonAttempts, 2595 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 490 PreInvPairs, 770 NumberOfFragments, 709 HoareAnnotationTreeSize, 490 FomulaSimplifications, 11714918 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 13061 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 45.2s InterpolantComputationTime, 4479 NumberOfCodeBlocks, 4479 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 4460 ConstructedInterpolants, 0 QuantifiedInterpolants, 2824130 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 2 PerfectInterpolantSequences, 3543/3644 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...