/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/Problem10_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:04:04,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:04:04,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:04:04,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:04:04,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:04:04,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:04:04,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:04:04,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:04:04,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:04:04,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:04:04,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:04:04,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:04:04,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:04:04,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:04:04,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:04:04,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:04:04,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:04:04,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:04:04,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:04:04,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:04:04,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:04:04,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:04:04,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:04:04,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:04:04,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:04:04,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:04:04,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:04:04,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:04:04,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:04:04,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:04:04,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:04:04,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:04:04,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:04:04,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:04:04,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:04:04,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:04:04,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:04:04,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:04:04,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:04:04,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:04:04,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:04:04,262 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 08:04:04,312 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:04:04,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:04:04,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:04:04,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:04:04,317 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:04:04,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:04:04,318 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:04:04,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:04:04,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:04:04,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:04:04,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:04:04,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:04:04,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:04:04,320 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:04:04,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:04:04,321 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:04:04,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:04:04,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:04:04,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:04:04,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:04:04,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:04:04,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:04:04,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:04:04,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:04:04,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:04:04,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:04:04,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:04:04,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:04:04,324 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:04:04,325 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 08:04:04,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:04:04,666 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:04:04,670 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:04:04,671 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:04:04,672 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:04:04,672 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label40.c [2020-10-13 08:04:04,738 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d58f640c0/b570338a888b40218214c2c11b60d84d/FLAGeae755666 [2020-10-13 08:04:05,277 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:04:05,278 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label40.c [2020-10-13 08:04:05,289 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d58f640c0/b570338a888b40218214c2c11b60d84d/FLAGeae755666 [2020-10-13 08:04:05,529 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d58f640c0/b570338a888b40218214c2c11b60d84d [2020-10-13 08:04:05,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:04:05,542 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:04:05,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:04:05,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:04:05,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:04:05,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:04:05" (1/1) ... [2020-10-13 08:04:05,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50f40452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:05, skipping insertion in model container [2020-10-13 08:04:05,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:04:05" (1/1) ... [2020-10-13 08:04:05,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:04:05,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:04:06,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:04:06,178 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:04:06,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:04:06,370 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:04:06,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:06 WrapperNode [2020-10-13 08:04:06,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:04:06,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:04:06,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:04:06,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:04:06,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:06" (1/1) ... [2020-10-13 08:04:06,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:06" (1/1) ... [2020-10-13 08:04:06,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:06" (1/1) ... [2020-10-13 08:04:06,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:06" (1/1) ... [2020-10-13 08:04:06,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:06" (1/1) ... [2020-10-13 08:04:06,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:06" (1/1) ... [2020-10-13 08:04:06,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:06" (1/1) ... [2020-10-13 08:04:06,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:04:06,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:04:06,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:04:06,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:04:06,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:06" (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 08:04:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:04:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:04:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:04:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:04:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:04:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:04:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:04:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:04:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:04:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:04:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:04:07,901 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:04:07,901 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:04:07,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:04:07 BoogieIcfgContainer [2020-10-13 08:04:07,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:04:07,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:04:07,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:04:07,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:04:07,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:04:05" (1/3) ... [2020-10-13 08:04:07,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efb8ed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:04:07, skipping insertion in model container [2020-10-13 08:04:07,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:06" (2/3) ... [2020-10-13 08:04:07,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efb8ed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:04:07, skipping insertion in model container [2020-10-13 08:04:07,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:04:07" (3/3) ... [2020-10-13 08:04:07,928 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label40.c [2020-10-13 08:04:07,941 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:04:07,955 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:04:07,973 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:04:08,012 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:04:08,013 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:04:08,013 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:04:08,013 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:04:08,013 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:04:08,014 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:04:08,014 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:04:08,014 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:04:08,042 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-13 08:04:08,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-13 08:04:08,060 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:08,061 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:04:08,061 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:08,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:08,068 INFO L82 PathProgramCache]: Analyzing trace with hash -576444522, now seen corresponding path program 1 times [2020-10-13 08:04:08,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:08,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [96372697] [2020-10-13 08:04:08,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:08,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:08,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:08,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 08:04:08,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:08,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 414 [2020-10-13 08:04:08,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:08,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:04:08,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:04:08,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-13 08:04:08,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:04:08,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:08,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:08,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:08,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:08,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:08,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 08:04:08,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:08,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:08,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:08,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:04:08,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:08,819 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 08:04:08,820 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [96372697] [2020-10-13 08:04:08,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:04:08,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 08:04:08,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134428300] [2020-10-13 08:04:08,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 08:04:08,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:08,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 08:04:08,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 08:04:08,848 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-13 08:04:10,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:10,331 INFO L93 Difference]: Finished difference Result 581 states and 1007 transitions. [2020-10-13 08:04:10,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:10,334 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2020-10-13 08:04:10,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:10,351 INFO L225 Difference]: With dead ends: 581 [2020-10-13 08:04:10,351 INFO L226 Difference]: Without dead ends: 302 [2020-10-13 08:04:10,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:10,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-13 08:04:10,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-13 08:04:10,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-13 08:04:10,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 423 transitions. [2020-10-13 08:04:10,442 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 423 transitions. Word has length 55 [2020-10-13 08:04:10,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:10,443 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 423 transitions. [2020-10-13 08:04:10,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 08:04:10,443 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 423 transitions. [2020-10-13 08:04:10,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-13 08:04:10,453 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:10,453 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:04:10,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:04:10,454 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:10,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:10,454 INFO L82 PathProgramCache]: Analyzing trace with hash 514536086, now seen corresponding path program 1 times [2020-10-13 08:04:10,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:10,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1821225590] [2020-10-13 08:04:10,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:10,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:10,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:11,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:11,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-13 08:04:11,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:04:11,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 703 [2020-10-13 08:04:11,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:11,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:11,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 08:04:11,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-13 08:04:11,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:04:11,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:11,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:11,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:11,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:11,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:11,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:04:11,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:11,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:11,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:11,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:11,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:11,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:11,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:11,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:11,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:04:11,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:11,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-13 08:04:11,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:11,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:11,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:11,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 08:04:11,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:11,409 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:04:11,410 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1821225590] [2020-10-13 08:04:11,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:11,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:11,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52242450] [2020-10-13 08:04:11,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:11,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:11,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:11,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:11,414 INFO L87 Difference]: Start difference. First operand 296 states and 423 transitions. Second operand 5 states. [2020-10-13 08:04:12,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:12,875 INFO L93 Difference]: Finished difference Result 886 states and 1297 transitions. [2020-10-13 08:04:12,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:12,879 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2020-10-13 08:04:12,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:12,887 INFO L225 Difference]: With dead ends: 886 [2020-10-13 08:04:12,887 INFO L226 Difference]: Without dead ends: 596 [2020-10-13 08:04:12,889 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 08:04:12,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2020-10-13 08:04:12,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 586. [2020-10-13 08:04:12,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-10-13 08:04:12,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 834 transitions. [2020-10-13 08:04:12,948 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 834 transitions. Word has length 127 [2020-10-13 08:04:12,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:12,949 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 834 transitions. [2020-10-13 08:04:12,949 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:12,949 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 834 transitions. [2020-10-13 08:04:12,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-13 08:04:12,953 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:12,954 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:04:12,954 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:04:12,954 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:12,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:12,955 INFO L82 PathProgramCache]: Analyzing trace with hash -352940643, now seen corresponding path program 1 times [2020-10-13 08:04:12,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:12,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1454790327] [2020-10-13 08:04:12,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:13,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:13,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:14,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:14,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-13 08:04:14,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:04:14,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1086 [2020-10-13 08:04:14,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:14,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:14,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-13 08:04:14,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-13 08:04:14,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:04:14,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:14,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:14,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:14,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:14,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:14,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:04:14,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:14,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:14,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:14,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:14,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:04:14,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:14,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:14,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:14,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 08:04:14,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:14,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-13 08:04:14,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:14,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:14,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:14,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-13 08:04:14,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:14,335 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:04:14,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1454790327] [2020-10-13 08:04:14,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:14,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:14,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530916862] [2020-10-13 08:04:14,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:14,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:14,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:14,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:14,338 INFO L87 Difference]: Start difference. First operand 586 states and 834 transitions. Second operand 5 states. [2020-10-13 08:04:15,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:15,504 INFO L93 Difference]: Finished difference Result 1466 states and 2147 transitions. [2020-10-13 08:04:15,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:15,505 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2020-10-13 08:04:15,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:15,518 INFO L225 Difference]: With dead ends: 1466 [2020-10-13 08:04:15,518 INFO L226 Difference]: Without dead ends: 886 [2020-10-13 08:04:15,520 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 08:04:15,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2020-10-13 08:04:15,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 878. [2020-10-13 08:04:15,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 878 states. [2020-10-13 08:04:15,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1192 transitions. [2020-10-13 08:04:15,568 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1192 transitions. Word has length 136 [2020-10-13 08:04:15,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:15,569 INFO L479 AbstractCegarLoop]: Abstraction has 878 states and 1192 transitions. [2020-10-13 08:04:15,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:15,569 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1192 transitions. [2020-10-13 08:04:15,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-13 08:04:15,574 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:15,574 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:04:15,574 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:04:15,575 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:15,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:15,575 INFO L82 PathProgramCache]: Analyzing trace with hash -296475546, now seen corresponding path program 1 times [2020-10-13 08:04:15,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:15,576 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1542060583] [2020-10-13 08:04:15,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:15,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:15,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:16,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:17,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:17,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-13 08:04:17,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:04:17,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1589 [2020-10-13 08:04:17,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:17,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:17,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-13 08:04:17,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 08:04:17,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:17,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:17,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:17,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:17,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:17,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:17,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:04:17,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:17,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:17,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:17,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:17,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:17,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:17,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:17,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:17,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 08:04:17,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:17,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-13 08:04:17,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:17,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:17,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:17,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-13 08:04:17,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:04:17,569 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:04:17,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1542060583] [2020-10-13 08:04:17,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:17,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:17,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970383570] [2020-10-13 08:04:17,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:17,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:17,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:17,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:17,580 INFO L87 Difference]: Start difference. First operand 878 states and 1192 transitions. Second operand 5 states. [2020-10-13 08:04:18,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:18,536 INFO L93 Difference]: Finished difference Result 1777 states and 2434 transitions. [2020-10-13 08:04:18,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:18,537 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-10-13 08:04:18,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:18,548 INFO L225 Difference]: With dead ends: 1777 [2020-10-13 08:04:18,548 INFO L226 Difference]: Without dead ends: 886 [2020-10-13 08:04:18,551 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 08:04:18,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2020-10-13 08:04:18,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 878. [2020-10-13 08:04:18,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 878 states. [2020-10-13 08:04:18,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1188 transitions. [2020-10-13 08:04:18,603 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1188 transitions. Word has length 167 [2020-10-13 08:04:18,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:18,603 INFO L479 AbstractCegarLoop]: Abstraction has 878 states and 1188 transitions. [2020-10-13 08:04:18,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:18,604 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1188 transitions. [2020-10-13 08:04:18,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-13 08:04:18,609 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:18,610 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:04:18,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:04:18,611 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:18,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:18,611 INFO L82 PathProgramCache]: Analyzing trace with hash 528848677, now seen corresponding path program 1 times [2020-10-13 08:04:18,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:18,612 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [763221091] [2020-10-13 08:04:18,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:18,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:18,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:19,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:20,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:20,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-13 08:04:20,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:04:20,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1686 [2020-10-13 08:04:20,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:20,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:20,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-13 08:04:20,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 08:04:20,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:20,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:20,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:20,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:20,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:20,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:20,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:04:20,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:20,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:20,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:20,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:20,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:20,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:20,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:20,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:20,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 08:04:20,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:20,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-13 08:04:20,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:20,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:20,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:20,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-13 08:04:20,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:20,787 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:04:20,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [763221091] [2020-10-13 08:04:20,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:20,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:20,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367626442] [2020-10-13 08:04:20,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:20,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:20,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:20,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:20,791 INFO L87 Difference]: Start difference. First operand 878 states and 1188 transitions. Second operand 5 states. [2020-10-13 08:04:21,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:21,675 INFO L93 Difference]: Finished difference Result 1780 states and 2425 transitions. [2020-10-13 08:04:21,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:21,678 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 172 [2020-10-13 08:04:21,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:21,686 INFO L225 Difference]: With dead ends: 1780 [2020-10-13 08:04:21,687 INFO L226 Difference]: Without dead ends: 886 [2020-10-13 08:04:21,690 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 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 08:04:21,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2020-10-13 08:04:21,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 878. [2020-10-13 08:04:21,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 878 states. [2020-10-13 08:04:21,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1182 transitions. [2020-10-13 08:04:21,730 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1182 transitions. Word has length 172 [2020-10-13 08:04:21,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:21,730 INFO L479 AbstractCegarLoop]: Abstraction has 878 states and 1182 transitions. [2020-10-13 08:04:21,730 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:21,731 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1182 transitions. [2020-10-13 08:04:21,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-10-13 08:04:21,736 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:21,736 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:21,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:04:21,737 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:21,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:21,737 INFO L82 PathProgramCache]: Analyzing trace with hash -2075715166, now seen corresponding path program 1 times [2020-10-13 08:04:21,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:21,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [199234033] [2020-10-13 08:04:21,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:21,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:21,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:22,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:24,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:24,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:26,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:26,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-13 08:04:26,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:04:26,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 08:04:26,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:26,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:26,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 210 [2020-10-13 08:04:26,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 08:04:26,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:26,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:26,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:26,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:26,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:26,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:26,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:04:26,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:26,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:26,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:26,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:26,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:26,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:26,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:26,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:26,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:04:26,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:26,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:04:26,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:26,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:26,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:26,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:26,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:26,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 08:04:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:26,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:27,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:27,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-13 08:04:27,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:27,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-13 08:04:27,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:27,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:27,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:27,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-13 08:04:27,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:27,126 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-13 08:04:27,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [199234033] [2020-10-13 08:04:27,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:27,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:27,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313712320] [2020-10-13 08:04:27,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:27,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:27,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:27,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:27,129 INFO L87 Difference]: Start difference. First operand 878 states and 1182 transitions. Second operand 5 states. [2020-10-13 08:04:28,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:28,356 INFO L93 Difference]: Finished difference Result 1621 states and 2170 transitions. [2020-10-13 08:04:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:28,357 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 253 [2020-10-13 08:04:28,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:28,358 INFO L225 Difference]: With dead ends: 1621 [2020-10-13 08:04:28,359 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:04:28,365 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 08:04:28,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:04:28,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:04:28,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:04:28,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:04:28,366 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 253 [2020-10-13 08:04:28,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:28,366 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:04:28,367 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:28,367 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:04:28,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:04:28,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:04:28,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:04:29,111 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2020-10-13 08:04:29,304 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:04:29,304 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)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-13 08:04:29,305 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:04:29,305 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-13 08:04:29,305 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,305 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,305 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,305 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,306 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,306 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,308 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-13 08:04:29,308 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-13 08:04:29,308 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 08:04:29,308 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 08:04:29,308 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 08:04:29,308 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 08:04:29,309 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 08:04:29,309 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 08:04:29,309 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-13 08:04:29,309 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-13 08:04:29,309 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-13 08:04:29,309 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,309 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,310 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,310 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,310 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,310 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-13 08:04:29,310 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-13 08:04:29,310 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-13 08:04:29,310 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-13 08:04:29,310 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 08:04:29,311 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 08:04:29,311 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 08:04:29,311 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 08:04:29,313 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 08:04:29,313 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-13 08:04:29,313 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-13 08:04:29,314 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-13 08:04:29,314 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-13 08:04:29,314 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 151) no Hoare annotation was computed. [2020-10-13 08:04:29,314 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-13 08:04:29,314 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,314 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,315 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,315 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,316 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,316 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-13 08:04:29,317 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 08:04:29,317 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 08:04:29,317 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 08:04:29,317 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 08:04:29,317 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 08:04:29,318 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-13 08:04:29,318 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-13 08:04:29,318 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-13 08:04:29,319 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-13 08:04:29,319 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,319 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,319 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,321 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,321 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,321 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-13 08:04:29,321 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-13 08:04:29,322 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-13 08:04:29,322 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 08:04:29,322 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 08:04:29,322 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 08:04:29,322 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 08:04:29,322 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 08:04:29,322 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-13 08:04:29,323 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-13 08:04:29,323 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-13 08:04:29,323 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-13 08:04:29,323 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-13 08:04:29,323 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,323 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,323 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,323 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,323 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,323 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 08:04:29,324 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 08:04:29,324 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 08:04:29,324 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 08:04:29,324 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 08:04:29,324 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-13 08:04:29,324 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-13 08:04:29,324 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-13 08:04:29,324 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-13 08:04:29,324 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,325 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,325 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,325 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,325 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,325 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,325 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,325 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-13 08:04:29,325 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-13 08:04:29,326 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-13 08:04:29,326 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-13 08:04:29,326 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 08:04:29,326 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 08:04:29,326 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 08:04:29,326 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 08:04:29,326 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 08:04:29,326 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-13 08:04:29,327 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-13 08:04:29,328 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-13 08:04:29,329 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-13 08:04:29,330 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,330 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,330 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,330 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,330 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-13 08:04:29,330 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,331 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,331 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-13 08:04:29,331 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-13 08:04:29,331 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-13 08:04:29,331 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 08:04:29,331 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 08:04:29,331 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 08:04:29,331 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 08:04:29,333 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 08:04:29,333 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-13 08:04:29,333 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-13 08:04:29,333 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-13 08:04:29,333 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-13 08:04:29,333 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-13 08:04:29,333 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,334 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,334 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,334 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,334 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,334 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,334 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-13 08:04:29,334 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-13 08:04:29,334 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-13 08:04:29,335 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 08:04:29,335 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 08:04:29,335 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 08:04:29,335 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 08:04:29,335 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 08:04:29,335 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 08:04:29,335 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-13 08:04:29,335 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-13 08:04:29,338 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (= ~a1~0 |old(~a1~0)|)) (.cse2 (= ~a10~0 |old(~a10~0)|))) (let ((.cse5 (and .cse1 (= ~a19~0 |old(~a19~0)|) .cse2)) (.cse0 (not (= 14 ~a4~0))) (.cse4 (not (= 0 |old(~a10~0)|))) (.cse3 (not (= ~a12~0 0)))) (and (or (not (<= |old(~a1~0)| 77)) (not (<= |old(~a19~0)| 8)) (not (<= 8 |old(~a19~0)|)) .cse0 (and (<= 8 ~a19~0) (<= ~a19~0 8) .cse1 .cse2) (not (<= 0 |old(~a10~0)|)) (not (<= 41 |old(~a1~0)|)) .cse3) (or (not (<= (+ |old(~a1~0)| 551894) 0)) (not (= 6 |old(~a19~0)|)) .cse0 .cse4 (and .cse1 (= ~a19~0 6) .cse2) .cse3) (or .cse5 (not (= 10 |old(~a19~0)|))) (or (not (= 9 |old(~a19~0)|)) .cse5) (or .cse5 (not (<= 1 |old(~a10~0)|))) (or .cse5 (not (<= 219 |old(~a1~0)|)) .cse0 .cse4 (not (= 8 |old(~a19~0)|)) .cse3)))) [2020-10-13 08:04:29,339 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-13 08:04:29,339 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-13 08:04:29,339 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-13 08:04:29,339 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,339 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,339 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,339 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,340 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,340 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,340 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-13 08:04:29,340 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 08:04:29,340 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 08:04:29,340 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 08:04:29,340 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 08:04:29,340 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 08:04:29,341 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 08:04:29,341 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-13 08:04:29,341 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-13 08:04:29,341 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-13 08:04:29,341 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-13 08:04:29,341 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-13 08:04:29,341 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-13 08:04:29,341 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,342 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,342 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,342 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,342 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,342 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,342 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-13 08:04:29,342 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-13 08:04:29,342 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-13 08:04:29,343 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 08:04:29,343 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 08:04:29,343 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 08:04:29,343 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 08:04:29,343 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 08:04:29,343 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 08:04:29,343 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-13 08:04:29,344 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-13 08:04:29,344 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-13 08:04:29,344 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,344 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,344 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,344 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,344 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,344 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:29,345 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-13 08:04:29,345 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-13 08:04:29,345 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-13 08:04:29,345 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 08:04:29,345 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 08:04:29,345 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 08:04:29,345 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 08:04:29,345 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 08:04:29,346 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 08:04:29,346 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-13 08:04:29,346 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-13 08:04:29,346 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-13 08:04:29,346 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:04:29,346 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~a19~0 9) [2020-10-13 08:04:29,346 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:04:29,346 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:04:29,347 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-13 08:04:29,347 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:04:29,347 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse2 (= ~a10~0 0)) (.cse1 (= ~a12~0 0))) (or (and (<= 0 ~a10~0) (<= 41 ~a1~0) (<= ~a1~0 77) (<= 8 ~a19~0) .cse0 .cse1 (<= ~a19~0 8)) (not (= 9 |old(~a19~0)|)) (and .cse0 .cse2 (<= (+ ~a1~0 551894) 0) .cse1 (= ~a19~0 6)) (<= 1 ~a10~0) (= ~a19~0 10) (= ~a19~0 9) (and (= ~a19~0 8) .cse0 .cse2 .cse1 (<= 219 ~a1~0)))) [2020-10-13 08:04:29,347 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-13 08:04:29,347 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-13 08:04:29,347 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse2 (= ~a10~0 0)) (.cse1 (= ~a12~0 0))) (or (and (<= 0 ~a10~0) (<= 41 ~a1~0) (<= ~a1~0 77) (<= 8 ~a19~0) .cse0 .cse1 (<= ~a19~0 8)) (not (= 9 |old(~a19~0)|)) (and .cse0 .cse2 (<= (+ ~a1~0 551894) 0) .cse1 (= ~a19~0 6)) (<= 1 ~a10~0) (= ~a19~0 10) (= ~a19~0 9) (and (= ~a19~0 8) .cse0 .cse2 .cse1 (<= 219 ~a1~0)))) [2020-10-13 08:04:29,348 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:04:29,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:04:29 BoogieIcfgContainer [2020-10-13 08:04:29,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:04:29,383 INFO L168 Benchmark]: Toolchain (without parser) took 23839.78 ms. Allocated memory was 144.7 MB in the beginning and 571.5 MB in the end (delta: 426.8 MB). Free memory was 100.0 MB in the beginning and 328.5 MB in the end (delta: -228.5 MB). Peak memory consumption was 198.2 MB. Max. memory is 7.1 GB. [2020-10-13 08:04:29,384 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 144.7 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 08:04:29,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 825.58 ms. Allocated memory was 144.7 MB in the beginning and 203.9 MB in the end (delta: 59.2 MB). Free memory was 99.8 MB in the beginning and 169.9 MB in the end (delta: -70.2 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2020-10-13 08:04:29,391 INFO L168 Benchmark]: Boogie Preprocessor took 102.16 ms. Allocated memory is still 203.9 MB. Free memory was 169.9 MB in the beginning and 164.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-10-13 08:04:29,392 INFO L168 Benchmark]: RCFGBuilder took 1440.67 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 164.9 MB in the beginning and 180.7 MB in the end (delta: -15.8 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. [2020-10-13 08:04:29,393 INFO L168 Benchmark]: TraceAbstraction took 21463.01 ms. Allocated memory was 237.0 MB in the beginning and 571.5 MB in the end (delta: 334.5 MB). Free memory was 180.7 MB in the beginning and 328.5 MB in the end (delta: -147.8 MB). Peak memory consumption was 186.7 MB. Max. memory is 7.1 GB. [2020-10-13 08:04:29,407 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 144.7 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 825.58 ms. Allocated memory was 144.7 MB in the beginning and 203.9 MB in the end (delta: 59.2 MB). Free memory was 99.8 MB in the beginning and 169.9 MB in the end (delta: -70.2 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.16 ms. Allocated memory is still 203.9 MB. Free memory was 169.9 MB in the beginning and 164.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1440.67 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 164.9 MB in the beginning and 180.7 MB in the end (delta: -15.8 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21463.01 ms. Allocated memory was 237.0 MB in the beginning and 571.5 MB in the end (delta: 334.5 MB). Free memory was 180.7 MB in the beginning and 328.5 MB in the end (delta: -147.8 MB). Peak memory consumption was 186.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 151]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((((0 <= a10 && 41 <= a1) && a1 <= 77) && 8 <= a19) && 14 == a4) && a12 == 0) && a19 <= 8) || !(9 == \old(a19))) || ((((14 == a4 && a10 == 0) && a1 + 551894 <= 0) && a12 == 0) && a19 == 6)) || 1 <= a10) || a19 == 10) || a19 == 9) || ((((a19 == 8 && 14 == a4) && a10 == 0) && a12 == 0) && 219 <= a1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.3s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 149 SDtfs, 1390 SDslu, 108 SDs, 0 SdLazy, 3924 SolverSat, 351 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=878occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 40 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 41 PreInvPairs, 61 NumberOfFragments, 342 HoareAnnotationTreeSize, 41 FomulaSimplifications, 8968 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 314 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 12.0s InterpolantComputationTime, 910 NumberOfCodeBlocks, 910 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 904 ConstructedInterpolants, 0 QuantifiedInterpolants, 407032 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 354/360 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...