./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label03.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem02_label03.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f16ecae1f9f8548b4f637e837ef612acb5f068e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-19 22:30:52,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:30:52,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:30:52,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:30:52,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:30:52,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:30:52,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:30:52,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:30:52,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:30:52,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:30:52,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:30:52,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:30:52,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:30:52,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:30:52,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:30:52,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:30:52,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:30:52,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:30:52,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:30:52,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:30:52,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:30:52,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:30:52,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:30:52,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:30:52,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:30:52,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:30:52,255 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:30:52,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:30:52,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:30:52,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:30:52,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:30:52,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:30:52,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:30:52,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:30:52,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:30:52,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:30:52,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:30:52,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:30:52,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:30:52,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:30:52,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:30:52,272 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 22:30:52,293 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:30:52,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:30:52,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:30:52,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:30:52,295 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:30:52,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:30:52,295 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:30:52,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 22:30:52,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:30:52,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:30:52,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:30:52,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:30:52,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:30:52,296 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:30:52,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:30:52,297 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:30:52,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:30:52,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:30:52,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:30:52,297 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:30:52,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:30:52,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:30:52,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:30:52,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:30:52,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:30:52,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 22:30:52,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 22:30:52,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:30:52,299 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:30:52,299 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f16ecae1f9f8548b4f637e837ef612acb5f068e [2020-10-19 22:30:52,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:30:52,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:30:52,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:30:52,515 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:30:52,515 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:30:52,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label03.c [2020-10-19 22:30:52,573 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9214866bb/349a2616e63149418dfc339433b20aad/FLAG19b82b203 [2020-10-19 22:30:53,161 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:30:53,162 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label03.c [2020-10-19 22:30:53,185 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9214866bb/349a2616e63149418dfc339433b20aad/FLAG19b82b203 [2020-10-19 22:30:53,425 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9214866bb/349a2616e63149418dfc339433b20aad [2020-10-19 22:30:53,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:30:53,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:30:53,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:30:53,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:30:53,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:30:53,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:30:53" (1/1) ... [2020-10-19 22:30:53,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@667f3e37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:53, skipping insertion in model container [2020-10-19 22:30:53,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:30:53" (1/1) ... [2020-10-19 22:30:53,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:30:53,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:30:53,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:30:53,970 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:30:54,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:30:54,142 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:30:54,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:54 WrapperNode [2020-10-19 22:30:54,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:30:54,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:30:54,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:30:54,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:30:54,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:54" (1/1) ... [2020-10-19 22:30:54,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:54" (1/1) ... [2020-10-19 22:30:54,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:30:54,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:30:54,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:30:54,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:30:54,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:54" (1/1) ... [2020-10-19 22:30:54,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:54" (1/1) ... [2020-10-19 22:30:54,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:54" (1/1) ... [2020-10-19 22:30:54,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:54" (1/1) ... [2020-10-19 22:30:54,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:54" (1/1) ... [2020-10-19 22:30:54,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:54" (1/1) ... [2020-10-19 22:30:54,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:54" (1/1) ... [2020-10-19 22:30:54,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:30:54,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:30:54,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:30:54,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:30:54,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-10-19 22:30:54,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 22:30:54,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:30:54,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:30:54,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:30:55,709 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:30:55,710 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 22:30:55,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:30:55 BoogieIcfgContainer [2020-10-19 22:30:55,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:30:55,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:30:55,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:30:55,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:30:55,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:30:53" (1/3) ... [2020-10-19 22:30:55,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b18e3cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:30:55, skipping insertion in model container [2020-10-19 22:30:55,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:54" (2/3) ... [2020-10-19 22:30:55,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b18e3cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:30:55, skipping insertion in model container [2020-10-19 22:30:55,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:30:55" (3/3) ... [2020-10-19 22:30:55,728 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label03.c [2020-10-19 22:30:55,740 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:30:55,747 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:30:55,757 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:30:55,782 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:30:55,783 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:30:55,783 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:30:55,783 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:30:55,783 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:30:55,783 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:30:55,783 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:30:55,784 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:30:55,953 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-10-19 22:30:55,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-19 22:30:55,966 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:55,967 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:30:55,968 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:55,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:55,974 INFO L82 PathProgramCache]: Analyzing trace with hash -2099114005, now seen corresponding path program 1 times [2020-10-19 22:30:55,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:55,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205335312] [2020-10-19 22:30:55,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:56,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:30:56,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205335312] [2020-10-19 22:30:56,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:30:56,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:30:56,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558048434] [2020-10-19 22:30:56,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:30:56,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:56,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:30:56,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:30:56,561 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-10-19 22:30:57,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:30:57,421 INFO L93 Difference]: Finished difference Result 640 states and 1083 transitions. [2020-10-19 22:30:57,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:30:57,423 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2020-10-19 22:30:57,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:30:57,443 INFO L225 Difference]: With dead ends: 640 [2020-10-19 22:30:57,443 INFO L226 Difference]: Without dead ends: 318 [2020-10-19 22:30:57,448 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:30:57,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-10-19 22:30:57,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 313. [2020-10-19 22:30:57,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2020-10-19 22:30:57,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 459 transitions. [2020-10-19 22:30:57,515 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 459 transitions. Word has length 129 [2020-10-19 22:30:57,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:30:57,516 INFO L481 AbstractCegarLoop]: Abstraction has 313 states and 459 transitions. [2020-10-19 22:30:57,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:30:57,516 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 459 transitions. [2020-10-19 22:30:57,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-19 22:30:57,520 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:57,521 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:30:57,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 22:30:57,522 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:57,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:57,522 INFO L82 PathProgramCache]: Analyzing trace with hash -439489122, now seen corresponding path program 1 times [2020-10-19 22:30:57,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:57,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52212605] [2020-10-19 22:30:57,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:57,632 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:30:57,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52212605] [2020-10-19 22:30:57,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:30:57,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:30:57,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289618260] [2020-10-19 22:30:57,637 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:30:57,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:57,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:30:57,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:30:57,639 INFO L87 Difference]: Start difference. First operand 313 states and 459 transitions. Second operand 3 states. [2020-10-19 22:30:58,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:30:58,244 INFO L93 Difference]: Finished difference Result 910 states and 1341 transitions. [2020-10-19 22:30:58,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:30:58,246 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-10-19 22:30:58,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:30:58,250 INFO L225 Difference]: With dead ends: 910 [2020-10-19 22:30:58,251 INFO L226 Difference]: Without dead ends: 599 [2020-10-19 22:30:58,252 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:30:58,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2020-10-19 22:30:58,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 596. [2020-10-19 22:30:58,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-10-19 22:30:58,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 772 transitions. [2020-10-19 22:30:58,292 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 772 transitions. Word has length 133 [2020-10-19 22:30:58,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:30:58,292 INFO L481 AbstractCegarLoop]: Abstraction has 596 states and 772 transitions. [2020-10-19 22:30:58,292 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:30:58,292 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 772 transitions. [2020-10-19 22:30:58,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-19 22:30:58,297 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:58,297 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:30:58,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 22:30:58,298 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:58,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:58,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1550563791, now seen corresponding path program 1 times [2020-10-19 22:30:58,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:58,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996447320] [2020-10-19 22:30:58,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:58,404 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:30:58,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996447320] [2020-10-19 22:30:58,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479228123] [2020-10-19 22:30:58,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:30:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:58,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:30:58,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:30:58,615 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-19 22:30:58,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:30:58,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-10-19 22:30:58,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876596891] [2020-10-19 22:30:58,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:30:58,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:58,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:30:58,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:30:58,619 INFO L87 Difference]: Start difference. First operand 596 states and 772 transitions. Second operand 3 states. [2020-10-19 22:30:59,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:30:59,261 INFO L93 Difference]: Finished difference Result 1611 states and 2114 transitions. [2020-10-19 22:30:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:30:59,262 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-10-19 22:30:59,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:30:59,268 INFO L225 Difference]: With dead ends: 1611 [2020-10-19 22:30:59,268 INFO L226 Difference]: Without dead ends: 1017 [2020-10-19 22:30:59,270 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:30:59,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2020-10-19 22:30:59,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 737. [2020-10-19 22:30:59,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2020-10-19 22:30:59,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 987 transitions. [2020-10-19 22:30:59,314 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 987 transitions. Word has length 138 [2020-10-19 22:30:59,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:30:59,315 INFO L481 AbstractCegarLoop]: Abstraction has 737 states and 987 transitions. [2020-10-19 22:30:59,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:30:59,315 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 987 transitions. [2020-10-19 22:30:59,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-19 22:30:59,321 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:59,322 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:30:59,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-19 22:30:59,537 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:59,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:59,538 INFO L82 PathProgramCache]: Analyzing trace with hash 2007948269, now seen corresponding path program 1 times [2020-10-19 22:30:59,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:59,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782255350] [2020-10-19 22:30:59,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:59,613 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:30:59,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782255350] [2020-10-19 22:30:59,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:30:59,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:30:59,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275601716] [2020-10-19 22:30:59,616 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:30:59,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:59,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:30:59,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:30:59,617 INFO L87 Difference]: Start difference. First operand 737 states and 987 transitions. Second operand 3 states. [2020-10-19 22:30:59,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:30:59,924 INFO L93 Difference]: Finished difference Result 1458 states and 1954 transitions. [2020-10-19 22:30:59,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:30:59,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2020-10-19 22:30:59,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:30:59,929 INFO L225 Difference]: With dead ends: 1458 [2020-10-19 22:30:59,929 INFO L226 Difference]: Without dead ends: 723 [2020-10-19 22:30:59,931 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:30:59,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2020-10-19 22:30:59,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 723. [2020-10-19 22:30:59,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2020-10-19 22:30:59,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 914 transitions. [2020-10-19 22:30:59,950 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 914 transitions. Word has length 140 [2020-10-19 22:30:59,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:30:59,950 INFO L481 AbstractCegarLoop]: Abstraction has 723 states and 914 transitions. [2020-10-19 22:30:59,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:30:59,951 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 914 transitions. [2020-10-19 22:30:59,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-19 22:30:59,954 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:59,955 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:30:59,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 22:30:59,955 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:59,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:59,956 INFO L82 PathProgramCache]: Analyzing trace with hash -710123985, now seen corresponding path program 1 times [2020-10-19 22:30:59,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:59,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817103015] [2020-10-19 22:30:59,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:00,047 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-19 22:31:00,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817103015] [2020-10-19 22:31:00,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:00,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:31:00,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238575802] [2020-10-19 22:31:00,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:00,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:00,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:00,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:00,050 INFO L87 Difference]: Start difference. First operand 723 states and 914 transitions. Second operand 3 states. [2020-10-19 22:31:00,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:00,588 INFO L93 Difference]: Finished difference Result 1585 states and 2062 transitions. [2020-10-19 22:31:00,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:00,589 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2020-10-19 22:31:00,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:00,594 INFO L225 Difference]: With dead ends: 1585 [2020-10-19 22:31:00,594 INFO L226 Difference]: Without dead ends: 1004 [2020-10-19 22:31:00,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:00,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2020-10-19 22:31:00,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 1004. [2020-10-19 22:31:00,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1004 states. [2020-10-19 22:31:00,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1245 transitions. [2020-10-19 22:31:00,628 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1245 transitions. Word has length 160 [2020-10-19 22:31:00,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:00,629 INFO L481 AbstractCegarLoop]: Abstraction has 1004 states and 1245 transitions. [2020-10-19 22:31:00,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:00,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1245 transitions. [2020-10-19 22:31:00,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-19 22:31:00,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:00,634 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:00,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 22:31:00,634 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:00,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:00,635 INFO L82 PathProgramCache]: Analyzing trace with hash -618033473, now seen corresponding path program 1 times [2020-10-19 22:31:00,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:00,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981098348] [2020-10-19 22:31:00,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:00,730 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-10-19 22:31:00,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981098348] [2020-10-19 22:31:00,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948274686] [2020-10-19 22:31:00,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:31:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:00,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:31:00,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:31:00,918 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-10-19 22:31:00,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:31:00,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:31:00,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918713023] [2020-10-19 22:31:00,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:00,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:00,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:00,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:31:00,923 INFO L87 Difference]: Start difference. First operand 1004 states and 1245 transitions. Second operand 3 states. [2020-10-19 22:31:01,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:01,570 INFO L93 Difference]: Finished difference Result 1864 states and 2342 transitions. [2020-10-19 22:31:01,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:01,571 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 182 [2020-10-19 22:31:01,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:01,572 INFO L225 Difference]: With dead ends: 1864 [2020-10-19 22:31:01,572 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 22:31:01,577 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:31:01,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 22:31:01,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 22:31:01,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 22:31:01,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 22:31:01,578 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 182 [2020-10-19 22:31:01,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:01,589 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 22:31:01,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:01,590 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 22:31:01,590 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 22:31:01,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:31:01,795 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 22:31:01,894 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-19 22:31:01,894 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-19 22:31:01,894 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-19 22:31:01,894 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-19 22:31:01,894 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-19 22:31:01,895 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-19 22:31:01,895 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-19 22:31:01,895 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,895 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,895 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,895 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-19 22:31:01,895 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-19 22:31:01,895 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-19 22:31:01,895 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-19 22:31:01,896 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-19 22:31:01,896 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-19 22:31:01,896 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-19 22:31:01,896 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,896 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,896 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,896 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-19 22:31:01,896 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-19 22:31:01,896 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-19 22:31:01,897 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-19 22:31:01,897 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-19 22:31:01,897 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-19 22:31:01,897 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-19 22:31:01,900 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,901 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,901 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,901 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-19 22:31:01,901 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-19 22:31:01,901 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-19 22:31:01,901 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-19 22:31:01,902 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-19 22:31:01,902 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,902 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,902 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,902 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-19 22:31:01,903 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-19 22:31:01,903 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-19 22:31:01,903 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-19 22:31:01,903 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-19 22:31:01,903 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-19 22:31:01,903 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-19 22:31:01,904 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-19 22:31:01,904 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,904 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,904 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,904 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-19 22:31:01,904 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-19 22:31:01,905 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-19 22:31:01,905 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-19 22:31:01,905 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-19 22:31:01,906 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-19 22:31:01,906 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-19 22:31:01,906 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-19 22:31:01,906 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,906 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,906 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,907 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-19 22:31:01,907 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-19 22:31:01,907 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-19 22:31:01,907 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-19 22:31:01,908 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-19 22:31:01,908 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-19 22:31:01,908 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-19 22:31:01,908 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-19 22:31:01,908 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-19 22:31:01,908 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,909 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,909 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,909 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-19 22:31:01,909 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-19 22:31:01,909 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-19 22:31:01,909 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-19 22:31:01,910 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-19 22:31:01,910 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-19 22:31:01,910 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 22:31:01,910 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,910 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,910 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,911 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-19 22:31:01,911 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-19 22:31:01,911 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-19 22:31:01,911 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-19 22:31:01,911 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-19 22:31:01,912 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-19 22:31:01,912 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-19 22:31:01,912 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-19 22:31:01,912 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,912 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,912 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,913 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-19 22:31:01,913 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-19 22:31:01,913 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-19 22:31:01,913 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-19 22:31:01,913 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-19 22:31:01,913 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,914 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,914 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,914 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-19 22:31:01,915 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 22:31:01,919 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 22:31:01,919 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-19 22:31:01,919 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-19 22:31:01,919 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-19 22:31:01,920 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-19 22:31:01,920 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-19 22:31:01,920 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-19 22:31:01,920 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-19 22:31:01,920 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-19 22:31:01,921 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-19 22:31:01,921 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-19 22:31:01,921 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,921 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,921 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-19 22:31:01,921 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-19 22:31:01,922 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-19 22:31:01,922 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-19 22:31:01,922 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-19 22:31:01,923 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-19 22:31:01,925 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-19 22:31:01,926 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-19 22:31:01,926 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-19 22:31:01,926 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 22:31:01,928 INFO L270 CegarLoopResult]: At program point L599(lines 31 600) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a17~0 8))) (or (and (= ~a25~0 ~a11~0) .cse0 (<= ~a28~0 7) .cse1) (and .cse0 (= ~a25~0 0) .cse1) (and (<= ~a19~0 0) .cse1) (and .cse0 (<= 8 ~a17~0) .cse1))) [2020-10-19 22:31:01,928 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,928 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,928 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-19 22:31:01,929 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-19 22:31:01,929 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-19 22:31:01,929 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-19 22:31:01,929 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-19 22:31:01,929 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-19 22:31:01,930 INFO L277 CegarLoopResult]: At program point L602(lines 602 619) the Hoare annotation is: true [2020-10-19 22:31:01,930 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,930 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,930 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-19 22:31:01,930 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-19 22:31:01,931 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-19 22:31:01,931 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-19 22:31:01,931 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-19 22:31:01,931 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-19 22:31:01,931 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-19 22:31:01,932 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-19 22:31:01,932 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-19 22:31:01,932 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,932 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,932 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-19 22:31:01,932 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-19 22:31:01,933 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-19 22:31:01,933 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-19 22:31:01,933 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-19 22:31:01,933 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-19 22:31:01,934 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a17~0 8))) (or (and (= ~a25~0 ~a11~0) .cse0 (<= ~a28~0 7) .cse1) (and .cse0 (= ~a25~0 0) .cse1) (and (<= ~a19~0 0) .cse1) (and .cse0 (<= 8 ~a17~0) .cse1))) [2020-10-19 22:31:01,934 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,934 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,934 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-19 22:31:01,934 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-19 22:31:01,935 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-19 22:31:01,935 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-19 22:31:01,935 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-19 22:31:01,935 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,935 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,936 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-19 22:31:01,936 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-19 22:31:01,936 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-19 22:31:01,936 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-19 22:31:01,936 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-19 22:31:01,936 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-19 22:31:01,937 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-19 22:31:01,937 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-19 22:31:01,937 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-19 22:31:01,937 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,937 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,937 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-19 22:31:01,938 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,938 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 22:31:01,938 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-19 22:31:01,938 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-19 22:31:01,938 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-19 22:31:01,939 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-19 22:31:01,939 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-19 22:31:01,939 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-19 22:31:01,939 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,939 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,939 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,940 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-19 22:31:01,940 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-19 22:31:01,940 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-19 22:31:01,940 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-19 22:31:01,940 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-19 22:31:01,940 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,941 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,941 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,941 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-19 22:31:01,941 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-19 22:31:01,941 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-19 22:31:01,941 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-19 22:31:01,942 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-19 22:31:01,942 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-19 22:31:01,942 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 22:31:01,942 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,942 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,942 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,943 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-19 22:31:01,943 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-19 22:31:01,943 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-19 22:31:01,943 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-19 22:31:01,943 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-19 22:31:01,944 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-19 22:31:01,944 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-19 22:31:01,944 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-19 22:31:01,944 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,944 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,944 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,945 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-19 22:31:01,945 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-19 22:31:01,945 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-19 22:31:01,945 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-19 22:31:01,945 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-19 22:31:01,945 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,946 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,946 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:01,946 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-19 22:31:01,946 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-19 22:31:01,946 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-19 22:31:01,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:31:01 BoogieIcfgContainer [2020-10-19 22:31:01,978 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:31:01,978 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:31:01,978 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:31:01,979 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:31:01,980 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:30:55" (3/4) ... [2020-10-19 22:31:01,983 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 22:31:02,014 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 22:31:02,016 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 22:31:02,017 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:31:02,019 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:31:02,177 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 22:31:02,177 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:31:02,180 INFO L168 Benchmark]: Toolchain (without parser) took 8749.96 ms. Allocated memory was 36.2 MB in the beginning and 111.7 MB in the end (delta: 75.5 MB). Free memory was 12.4 MB in the beginning and 37.3 MB in the end (delta: -25.0 MB). Peak memory consumption was 50.5 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:02,180 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 34.1 MB. Free memory was 19.8 MB in the beginning and 19.7 MB in the end (delta: 34.7 kB). Peak memory consumption was 34.7 kB. Max. memory is 14.3 GB. [2020-10-19 22:31:02,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.25 ms. Allocated memory was 36.2 MB in the beginning and 44.6 MB in the end (delta: 8.4 MB). Free memory was 11.6 MB in the beginning and 23.5 MB in the end (delta: -11.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:02,181 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.79 ms. Allocated memory is still 44.6 MB. Free memory was 23.3 MB in the beginning and 17.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:02,182 INFO L168 Benchmark]: Boogie Preprocessor took 114.94 ms. Allocated memory is still 44.6 MB. Free memory was 17.6 MB in the beginning and 13.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:02,182 INFO L168 Benchmark]: RCFGBuilder took 1315.38 ms. Allocated memory was 44.6 MB in the beginning and 58.2 MB in the end (delta: 13.6 MB). Free memory was 13.0 MB in the beginning and 14.6 MB in the end (delta: -1.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:02,183 INFO L168 Benchmark]: TraceAbstraction took 6261.09 ms. Allocated memory was 58.2 MB in the beginning and 111.7 MB in the end (delta: 53.5 MB). Free memory was 14.1 MB in the beginning and 57.4 MB in the end (delta: -43.3 MB). Peak memory consumption was 10.2 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:02,183 INFO L168 Benchmark]: Witness Printer took 199.22 ms. Allocated memory is still 111.7 MB. Free memory was 57.4 MB in the beginning and 37.3 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:02,186 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 34.1 MB. Free memory was 19.8 MB in the beginning and 19.7 MB in the end (delta: 34.7 kB). Peak memory consumption was 34.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 709.25 ms. Allocated memory was 36.2 MB in the beginning and 44.6 MB in the end (delta: 8.4 MB). Free memory was 11.6 MB in the beginning and 23.5 MB in the end (delta: -11.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 136.79 ms. Allocated memory is still 44.6 MB. Free memory was 23.3 MB in the beginning and 17.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 114.94 ms. Allocated memory is still 44.6 MB. Free memory was 17.6 MB in the beginning and 13.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1315.38 ms. Allocated memory was 44.6 MB in the beginning and 58.2 MB in the end (delta: 13.6 MB). Free memory was 13.0 MB in the beginning and 14.6 MB in the end (delta: -1.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 6261.09 ms. Allocated memory was 58.2 MB in the beginning and 111.7 MB in the end (delta: 53.5 MB). Free memory was 14.1 MB in the beginning and 57.4 MB in the end (delta: -43.3 MB). Peak memory consumption was 10.2 MB. Max. memory is 14.3 GB. * Witness Printer took 199.22 ms. Allocated memory is still 111.7 MB. Free memory was 57.4 MB in the beginning and 37.3 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 608]: Loop Invariant Derived loop invariant: (((((a25 == a11 && a19 == 1) && a28 <= 7) && a17 <= 8) || ((a19 == 1 && a25 == 0) && a17 <= 8)) || (a19 <= 0 && a17 <= 8)) || ((a19 == 1 && 8 <= a17) && a17 <= 8) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: (((((a25 == a11 && a19 == 1) && a28 <= 7) && a17 <= 8) || ((a19 == 1 && a25 == 0) && a17 <= 8)) || (a19 <= 0 && a17 <= 8)) || ((a19 == 1 && 8 <= a17) && a17 <= 8) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.0s, OverallIterations: 6, TraceHistogramMax: 5, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 513 SDtfs, 696 SDslu, 78 SDs, 0 SdLazy, 2073 SolverSat, 375 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 332 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1004occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 288 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 19 NumberOfFragments, 83 HoareAnnotationTreeSize, 3 FomulaSimplifications, 134 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1202 NumberOfCodeBlocks, 1202 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1194 ConstructedInterpolants, 0 QuantifiedInterpolants, 334800 SizeOfPredicates, 2 NumberOfNonLiveVariables, 652 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 241/247 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...