./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label11.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/Problem01_label11.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 6acb920632900e8e86d53389c05418caeb315761 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:29:39,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:29:39,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:29:39,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:29:39,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:29:39,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:29:39,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:29:39,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:29:39,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:29:39,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:29:39,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:29:39,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:29:39,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:29:39,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:29:39,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:29:39,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:29:39,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:29:39,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:29:39,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:29:39,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:29:39,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:29:39,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:29:39,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:29:39,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:29:39,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:29:39,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:29:39,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:29:39,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:29:39,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:29:39,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:29:39,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:29:39,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:29:39,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:29:39,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:29:39,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:29:39,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:29:39,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:29:39,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:29:39,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:29:39,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:29:39,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:29:39,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 22:29:39,961 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:29:39,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:29:39,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:29:39,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:29:39,964 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:29:39,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:29:39,964 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:29:39,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 22:29:39,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:29:39,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:29:39,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:29:39,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:29:39,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:29:39,966 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:29:39,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:29:39,967 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:29:39,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:29:39,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:29:39,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:29:39,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:29:39,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:29:39,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:29:39,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:29:39,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:29:39,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:29:39,969 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 22:29:39,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 22:29:39,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:29:39,970 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:29:39,970 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 -> 6acb920632900e8e86d53389c05418caeb315761 [2020-10-19 22:29:40,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:29:40,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:29:40,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:29:40,201 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:29:40,203 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:29:40,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label11.c [2020-10-19 22:29:40,262 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86baee98f/ca38aeb185834b64a5495a35b822c9b1/FLAG7aaf8b522 [2020-10-19 22:29:40,826 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:29:40,827 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label11.c [2020-10-19 22:29:40,856 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86baee98f/ca38aeb185834b64a5495a35b822c9b1/FLAG7aaf8b522 [2020-10-19 22:29:41,128 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86baee98f/ca38aeb185834b64a5495a35b822c9b1 [2020-10-19 22:29:41,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:29:41,138 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:29:41,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:29:41,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:29:41,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:29:41,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:29:41" (1/1) ... [2020-10-19 22:29:41,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@577edb5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:41, skipping insertion in model container [2020-10-19 22:29:41,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:29:41" (1/1) ... [2020-10-19 22:29:41,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:29:41,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:29:41,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:29:41,694 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:29:41,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:29:41,864 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:29:41,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:41 WrapperNode [2020-10-19 22:29:41,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:29:41,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:29:41,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:29:41,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:29:41,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:41" (1/1) ... [2020-10-19 22:29:41,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:41" (1/1) ... [2020-10-19 22:29:41,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:29:41,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:29:41,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:29:41,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:29:41,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:41" (1/1) ... [2020-10-19 22:29:41,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:41" (1/1) ... [2020-10-19 22:29:42,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:41" (1/1) ... [2020-10-19 22:29:42,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:41" (1/1) ... [2020-10-19 22:29:42,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:41" (1/1) ... [2020-10-19 22:29:42,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:41" (1/1) ... [2020-10-19 22:29:42,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:41" (1/1) ... [2020-10-19 22:29:42,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:29:42,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:29:42,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:29:42,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:29:42,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:41" (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 22:29:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 22:29:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:29:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:29:42,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:29:43,513 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:29:43,513 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 22:29:43,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:29:43 BoogieIcfgContainer [2020-10-19 22:29:43,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:29:43,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:29:43,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:29:43,522 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:29:43,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:29:41" (1/3) ... [2020-10-19 22:29:43,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1338bd01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:29:43, skipping insertion in model container [2020-10-19 22:29:43,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:41" (2/3) ... [2020-10-19 22:29:43,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1338bd01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:29:43, skipping insertion in model container [2020-10-19 22:29:43,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:29:43" (3/3) ... [2020-10-19 22:29:43,527 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label11.c [2020-10-19 22:29:43,541 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:29:43,550 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:29:43,565 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:29:43,594 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:29:43,595 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:29:43,595 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:29:43,595 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:29:43,596 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:29:43,596 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:29:43,596 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:29:43,597 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:29:43,619 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-10-19 22:29:43,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-19 22:29:43,631 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:43,633 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] [2020-10-19 22:29:43,633 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:43,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:43,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1067563974, now seen corresponding path program 1 times [2020-10-19 22:29:43,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:43,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681744620] [2020-10-19 22:29:43,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:44,332 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 22:29:44,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681744620] [2020-10-19 22:29:44,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:44,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:29:44,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110226470] [2020-10-19 22:29:44,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:44,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:44,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:44,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:44,360 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-10-19 22:29:45,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:45,241 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions. [2020-10-19 22:29:45,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:45,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-10-19 22:29:45,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:45,259 INFO L225 Difference]: With dead ends: 529 [2020-10-19 22:29:45,260 INFO L226 Difference]: Without dead ends: 266 [2020-10-19 22:29:45,264 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 22:29:45,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-10-19 22:29:45,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-10-19 22:29:45,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-19 22:29:45,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 386 transitions. [2020-10-19 22:29:45,331 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 386 transitions. Word has length 109 [2020-10-19 22:29:45,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:45,332 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 386 transitions. [2020-10-19 22:29:45,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:45,332 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 386 transitions. [2020-10-19 22:29:45,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-19 22:29:45,337 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:45,337 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:29:45,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 22:29:45,338 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:45,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:45,338 INFO L82 PathProgramCache]: Analyzing trace with hash 149189585, now seen corresponding path program 1 times [2020-10-19 22:29:45,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:45,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790239083] [2020-10-19 22:29:45,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:45,451 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:29:45,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790239083] [2020-10-19 22:29:45,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:45,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:29:45,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584641447] [2020-10-19 22:29:45,456 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:45,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:45,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:45,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:45,459 INFO L87 Difference]: Start difference. First operand 266 states and 386 transitions. Second operand 3 states. [2020-10-19 22:29:46,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:46,008 INFO L93 Difference]: Finished difference Result 792 states and 1153 transitions. [2020-10-19 22:29:46,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:46,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-10-19 22:29:46,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:46,013 INFO L225 Difference]: With dead ends: 792 [2020-10-19 22:29:46,014 INFO L226 Difference]: Without dead ends: 528 [2020-10-19 22:29:46,016 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 22:29:46,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-10-19 22:29:46,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2020-10-19 22:29:46,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-10-19 22:29:46,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 727 transitions. [2020-10-19 22:29:46,049 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 727 transitions. Word has length 115 [2020-10-19 22:29:46,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:46,050 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 727 transitions. [2020-10-19 22:29:46,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:46,050 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 727 transitions. [2020-10-19 22:29:46,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-19 22:29:46,054 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:46,054 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-19 22:29:46,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 22:29:46,055 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:46,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:46,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1697454289, now seen corresponding path program 1 times [2020-10-19 22:29:46,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:46,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834974823] [2020-10-19 22:29:46,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:46,347 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:29:46,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834974823] [2020-10-19 22:29:46,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:46,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:29:46,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972322421] [2020-10-19 22:29:46,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 22:29:46,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:46,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 22:29:46,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 22:29:46,350 INFO L87 Difference]: Start difference. First operand 528 states and 727 transitions. Second operand 4 states. [2020-10-19 22:29:47,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:47,227 INFO L93 Difference]: Finished difference Result 1411 states and 1930 transitions. [2020-10-19 22:29:47,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 22:29:47,229 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 116 [2020-10-19 22:29:47,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:47,235 INFO L225 Difference]: With dead ends: 1411 [2020-10-19 22:29:47,235 INFO L226 Difference]: Without dead ends: 790 [2020-10-19 22:29:47,237 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 22:29:47,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-10-19 22:29:47,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2020-10-19 22:29:47,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-10-19 22:29:47,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 948 transitions. [2020-10-19 22:29:47,280 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 948 transitions. Word has length 116 [2020-10-19 22:29:47,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:47,280 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 948 transitions. [2020-10-19 22:29:47,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 22:29:47,281 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 948 transitions. [2020-10-19 22:29:47,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-19 22:29:47,286 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:47,286 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:47,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 22:29:47,287 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:47,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:47,288 INFO L82 PathProgramCache]: Analyzing trace with hash -631154212, now seen corresponding path program 1 times [2020-10-19 22:29:47,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:47,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354314968] [2020-10-19 22:29:47,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:47,367 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:29:47,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354314968] [2020-10-19 22:29:47,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290952663] [2020-10-19 22:29:47,369 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 22:29:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:47,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:29:47,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:29:47,571 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-19 22:29:47,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:29:47,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:29:47,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481139776] [2020-10-19 22:29:47,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:47,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:47,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:47,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:29:47,575 INFO L87 Difference]: Start difference. First operand 790 states and 948 transitions. Second operand 3 states. [2020-10-19 22:29:48,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:48,166 INFO L93 Difference]: Finished difference Result 2102 states and 2570 transitions. [2020-10-19 22:29:48,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:48,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-10-19 22:29:48,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:48,175 INFO L225 Difference]: With dead ends: 2102 [2020-10-19 22:29:48,176 INFO L226 Difference]: Without dead ends: 1314 [2020-10-19 22:29:48,178 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:29:48,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-10-19 22:29:48,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1183. [2020-10-19 22:29:48,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2020-10-19 22:29:48,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1415 transitions. [2020-10-19 22:29:48,214 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1415 transitions. Word has length 121 [2020-10-19 22:29:48,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:48,214 INFO L481 AbstractCegarLoop]: Abstraction has 1183 states and 1415 transitions. [2020-10-19 22:29:48,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:48,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1415 transitions. [2020-10-19 22:29:48,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-19 22:29:48,220 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:48,220 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:29:48,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:29:48,437 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:48,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:48,437 INFO L82 PathProgramCache]: Analyzing trace with hash -312061004, now seen corresponding path program 1 times [2020-10-19 22:29:48,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:48,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751562766] [2020-10-19 22:29:48,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:48,503 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-19 22:29:48,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751562766] [2020-10-19 22:29:48,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:48,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:29:48,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563167082] [2020-10-19 22:29:48,505 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 22:29:48,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:48,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 22:29:48,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 22:29:48,506 INFO L87 Difference]: Start difference. First operand 1183 states and 1415 transitions. Second operand 4 states. [2020-10-19 22:29:49,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:49,273 INFO L93 Difference]: Finished difference Result 3281 states and 3995 transitions. [2020-10-19 22:29:49,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 22:29:49,274 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 138 [2020-10-19 22:29:49,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:49,286 INFO L225 Difference]: With dead ends: 3281 [2020-10-19 22:29:49,286 INFO L226 Difference]: Without dead ends: 2100 [2020-10-19 22:29:49,290 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 22:29:49,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2020-10-19 22:29:49,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1707. [2020-10-19 22:29:49,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2020-10-19 22:29:49,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2032 transitions. [2020-10-19 22:29:49,351 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2032 transitions. Word has length 138 [2020-10-19 22:29:49,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:49,352 INFO L481 AbstractCegarLoop]: Abstraction has 1707 states and 2032 transitions. [2020-10-19 22:29:49,352 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 22:29:49,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2032 transitions. [2020-10-19 22:29:49,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-19 22:29:49,358 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:49,359 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2020-10-19 22:29:49,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 22:29:49,360 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:49,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:49,360 INFO L82 PathProgramCache]: Analyzing trace with hash 2131296848, now seen corresponding path program 1 times [2020-10-19 22:29:49,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:49,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818072384] [2020-10-19 22:29:49,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:49,452 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-19 22:29:49,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818072384] [2020-10-19 22:29:49,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:49,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:29:49,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617197105] [2020-10-19 22:29:49,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:49,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:49,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:49,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:49,456 INFO L87 Difference]: Start difference. First operand 1707 states and 2032 transitions. Second operand 3 states. [2020-10-19 22:29:50,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:50,086 INFO L93 Difference]: Finished difference Result 4329 states and 5114 transitions. [2020-10-19 22:29:50,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:50,087 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2020-10-19 22:29:50,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:50,102 INFO L225 Difference]: With dead ends: 4329 [2020-10-19 22:29:50,103 INFO L226 Difference]: Without dead ends: 2624 [2020-10-19 22:29:50,106 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 22:29:50,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2020-10-19 22:29:50,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2231. [2020-10-19 22:29:50,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-10-19 22:29:50,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2637 transitions. [2020-10-19 22:29:50,188 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2637 transitions. Word has length 147 [2020-10-19 22:29:50,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:50,189 INFO L481 AbstractCegarLoop]: Abstraction has 2231 states and 2637 transitions. [2020-10-19 22:29:50,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:50,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2637 transitions. [2020-10-19 22:29:50,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-19 22:29:50,197 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:50,197 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:29:50,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 22:29:50,198 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:50,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:50,198 INFO L82 PathProgramCache]: Analyzing trace with hash 973670721, now seen corresponding path program 1 times [2020-10-19 22:29:50,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:50,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162184748] [2020-10-19 22:29:50,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:50,324 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 49 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-19 22:29:50,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162184748] [2020-10-19 22:29:50,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662085577] [2020-10-19 22:29:50,326 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 22:29:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:50,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:29:50,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:29:50,570 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-19 22:29:50,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:29:50,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:29:50,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552961418] [2020-10-19 22:29:50,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:50,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:50,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:50,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:29:50,575 INFO L87 Difference]: Start difference. First operand 2231 states and 2637 transitions. Second operand 3 states. [2020-10-19 22:29:51,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:51,110 INFO L93 Difference]: Finished difference Result 5246 states and 6212 transitions. [2020-10-19 22:29:51,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:51,111 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-10-19 22:29:51,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:51,126 INFO L225 Difference]: With dead ends: 5246 [2020-10-19 22:29:51,126 INFO L226 Difference]: Without dead ends: 2886 [2020-10-19 22:29:51,131 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 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 22:29:51,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2020-10-19 22:29:51,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 2231. [2020-10-19 22:29:51,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-10-19 22:29:51,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2581 transitions. [2020-10-19 22:29:51,193 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2581 transitions. Word has length 153 [2020-10-19 22:29:51,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:51,194 INFO L481 AbstractCegarLoop]: Abstraction has 2231 states and 2581 transitions. [2020-10-19 22:29:51,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:51,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2581 transitions. [2020-10-19 22:29:51,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-19 22:29:51,199 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:51,200 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2020-10-19 22:29:51,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:29:51,416 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:51,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:51,417 INFO L82 PathProgramCache]: Analyzing trace with hash 838417912, now seen corresponding path program 1 times [2020-10-19 22:29:51,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:51,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561568649] [2020-10-19 22:29:51,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:51,492 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-19 22:29:51,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561568649] [2020-10-19 22:29:51,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218292674] [2020-10-19 22:29:51,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:29:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:51,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:29:51,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:29:51,677 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-19 22:29:51,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:29:51,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:29:51,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269455997] [2020-10-19 22:29:51,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:51,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:51,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:51,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:29:51,686 INFO L87 Difference]: Start difference. First operand 2231 states and 2581 transitions. Second operand 3 states. [2020-10-19 22:29:52,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:52,339 INFO L93 Difference]: Finished difference Result 4722 states and 5449 transitions. [2020-10-19 22:29:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:52,340 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2020-10-19 22:29:52,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:52,354 INFO L225 Difference]: With dead ends: 4722 [2020-10-19 22:29:52,354 INFO L226 Difference]: Without dead ends: 2493 [2020-10-19 22:29:52,359 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 159 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 22:29:52,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2020-10-19 22:29:52,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 2362. [2020-10-19 22:29:52,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2020-10-19 22:29:52,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2657 transitions. [2020-10-19 22:29:52,438 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2657 transitions. Word has length 160 [2020-10-19 22:29:52,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:52,439 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2657 transitions. [2020-10-19 22:29:52,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:52,439 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2657 transitions. [2020-10-19 22:29:52,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-19 22:29:52,449 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:52,449 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2020-10-19 22:29:52,664 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:29:52,664 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:52,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:52,666 INFO L82 PathProgramCache]: Analyzing trace with hash -981121869, now seen corresponding path program 1 times [2020-10-19 22:29:52,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:52,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922238087] [2020-10-19 22:29:52,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:52,819 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 54 proven. 3 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2020-10-19 22:29:52,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922238087] [2020-10-19 22:29:52,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506821362] [2020-10-19 22:29:52,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:29:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:52,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:29:52,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:29:53,102 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-19 22:29:53,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:29:53,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:29:53,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190538107] [2020-10-19 22:29:53,105 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:53,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:53,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:53,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:29:53,106 INFO L87 Difference]: Start difference. First operand 2362 states and 2657 transitions. Second operand 3 states. [2020-10-19 22:29:53,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:53,742 INFO L93 Difference]: Finished difference Result 5639 states and 6366 transitions. [2020-10-19 22:29:53,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:53,743 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2020-10-19 22:29:53,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:53,758 INFO L225 Difference]: With dead ends: 5639 [2020-10-19 22:29:53,758 INFO L226 Difference]: Without dead ends: 3148 [2020-10-19 22:29:53,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 216 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 22:29:53,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2020-10-19 22:29:53,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 2362. [2020-10-19 22:29:53,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2020-10-19 22:29:53,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2654 transitions. [2020-10-19 22:29:53,821 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2654 transitions. Word has length 217 [2020-10-19 22:29:53,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:53,822 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2654 transitions. [2020-10-19 22:29:53,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:53,825 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2654 transitions. [2020-10-19 22:29:53,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-10-19 22:29:53,835 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:53,835 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 22:29:54,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:29:54,050 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:54,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:54,051 INFO L82 PathProgramCache]: Analyzing trace with hash 2105019540, now seen corresponding path program 1 times [2020-10-19 22:29:54,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:54,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795660386] [2020-10-19 22:29:54,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:54,169 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 86 proven. 3 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-19 22:29:54,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795660386] [2020-10-19 22:29:54,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541692936] [2020-10-19 22:29:54,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:29:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:54,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:29:54,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:29:54,392 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-10-19 22:29:54,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:29:54,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:29:54,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741348230] [2020-10-19 22:29:54,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:54,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:54,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:54,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:29:54,399 INFO L87 Difference]: Start difference. First operand 2362 states and 2654 transitions. Second operand 3 states. [2020-10-19 22:29:54,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:54,904 INFO L93 Difference]: Finished difference Result 4589 states and 5171 transitions. [2020-10-19 22:29:54,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:54,905 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229 [2020-10-19 22:29:54,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:54,906 INFO L225 Difference]: With dead ends: 4589 [2020-10-19 22:29:54,906 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 22:29:54,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 228 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 22:29:54,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 22:29:54,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 22:29:54,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 22:29:54,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 22:29:54,912 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 229 [2020-10-19 22:29:54,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:54,913 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 22:29:54,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:54,913 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 22:29:54,913 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 22:29:55,127 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-19 22:29:55,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 22:29:55,386 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 23 [2020-10-19 22:29:55,511 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 23 [2020-10-19 22:29:55,514 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,515 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,515 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,515 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,516 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,516 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,516 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-19 22:29:55,516 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-19 22:29:55,516 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-19 22:29:55,516 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-19 22:29:55,517 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-19 22:29:55,517 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-19 22:29:55,517 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-19 22:29:55,517 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-19 22:29:55,517 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-19 22:29:55,517 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-19 22:29:55,518 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 22:29:55,518 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-19 22:29:55,518 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-19 22:29:55,521 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,521 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,521 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,522 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,522 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,522 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,523 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-19 22:29:55,524 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-19 22:29:55,524 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-19 22:29:55,524 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-19 22:29:55,524 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-19 22:29:55,525 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-19 22:29:55,525 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-19 22:29:55,525 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-19 22:29:55,525 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-19 22:29:55,526 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-19 22:29:55,526 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,526 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,526 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,527 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,527 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,527 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,527 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-19 22:29:55,528 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-19 22:29:55,528 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-19 22:29:55,528 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-19 22:29:55,528 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-19 22:29:55,529 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-19 22:29:55,529 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-19 22:29:55,529 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-19 22:29:55,529 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-19 22:29:55,530 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-19 22:29:55,530 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-19 22:29:55,530 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-19 22:29:55,530 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-19 22:29:55,531 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-19 22:29:55,531 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-19 22:29:55,531 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,531 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,532 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,532 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,532 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,532 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-19 22:29:55,532 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-19 22:29:55,533 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-19 22:29:55,533 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-19 22:29:55,533 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-19 22:29:55,533 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-19 22:29:55,533 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-19 22:29:55,534 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-19 22:29:55,534 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-19 22:29:55,534 INFO L270 CegarLoopResult]: At program point L576(lines 32 577) the Hoare annotation is: (let ((.cse1 (<= 15 ~a8~0)) (.cse0 (= ~a20~0 1)) (.cse3 (<= ~a16~0 5)) (.cse2 (<= ~a20~0 0))) (or (and .cse0 .cse1) (and .cse1 .cse2) (and (<= ~a7~0 0) .cse0) (and .cse3 (<= ~a8~0 13)) (and .cse0 (<= 5 ~a16~0)) (and .cse3 .cse2))) [2020-10-19 22:29:55,535 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,535 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,535 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,535 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,536 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,536 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-19 22:29:55,537 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-19 22:29:55,537 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-19 22:29:55,537 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-19 22:29:55,538 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-19 22:29:55,538 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-19 22:29:55,538 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-19 22:29:55,538 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-19 22:29:55,539 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-19 22:29:55,539 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-19 22:29:55,539 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-19 22:29:55,539 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-19 22:29:55,540 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-19 22:29:55,540 INFO L277 CegarLoopResult]: At program point L579(lines 579 596) the Hoare annotation is: true [2020-10-19 22:29:55,540 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,540 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,541 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,541 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,541 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,541 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-19 22:29:55,542 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-19 22:29:55,542 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-19 22:29:55,542 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-19 22:29:55,542 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-19 22:29:55,543 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-19 22:29:55,543 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-19 22:29:55,543 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-19 22:29:55,543 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 22:29:55,544 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-19 22:29:55,544 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,544 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,544 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,544 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,544 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-19 22:29:55,545 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,545 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-19 22:29:55,545 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-19 22:29:55,545 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-19 22:29:55,545 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-19 22:29:55,545 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-19 22:29:55,546 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-19 22:29:55,546 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-19 22:29:55,546 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-19 22:29:55,547 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-19 22:29:55,547 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-19 22:29:55,547 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-19 22:29:55,547 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-19 22:29:55,547 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-19 22:29:55,547 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,549 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse1 (<= 15 ~a8~0)) (.cse0 (= ~a20~0 1)) (.cse3 (<= ~a16~0 5)) (.cse2 (<= ~a20~0 0))) (or (and .cse0 .cse1) (and .cse1 .cse2) (and (<= ~a7~0 0) .cse0) (and .cse3 (<= ~a8~0 13)) (and .cse0 (<= 5 ~a16~0)) (and .cse3 .cse2))) [2020-10-19 22:29:55,549 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,550 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,550 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,550 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,550 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-19 22:29:55,550 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-19 22:29:55,551 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-19 22:29:55,551 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-19 22:29:55,551 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-19 22:29:55,551 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-19 22:29:55,551 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-19 22:29:55,552 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 22:29:55,552 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-19 22:29:55,552 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,553 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,553 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,553 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,553 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,554 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-19 22:29:55,554 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-19 22:29:55,554 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-19 22:29:55,554 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-19 22:29:55,555 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-19 22:29:55,555 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-19 22:29:55,555 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-19 22:29:55,555 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-19 22:29:55,556 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-19 22:29:55,556 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-19 22:29:55,556 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 22:29:55,556 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-19 22:29:55,557 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-19 22:29:55,557 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,557 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,557 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,558 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,558 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-19 22:29:55,558 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,558 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,559 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-19 22:29:55,559 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-19 22:29:55,559 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-19 22:29:55,559 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-19 22:29:55,560 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-19 22:29:55,560 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-19 22:29:55,560 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-19 22:29:55,560 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-19 22:29:55,561 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-19 22:29:55,561 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-19 22:29:55,561 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-19 22:29:55,561 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-19 22:29:55,562 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 22:29:55,562 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 22:29:55,562 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,562 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,563 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,563 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,563 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,563 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-19 22:29:55,564 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:55,564 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-19 22:29:55,564 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-19 22:29:55,564 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-19 22:29:55,565 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-19 22:29:55,565 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-19 22:29:55,565 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-19 22:29:55,565 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-19 22:29:55,566 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-19 22:29:55,566 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-19 22:29:55,566 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-19 22:29:55,566 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-19 22:29:55,567 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-19 22:29:55,567 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-19 22:29:55,567 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-19 22:29:55,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:29:55 BoogieIcfgContainer [2020-10-19 22:29:55,608 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:29:55,609 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:29:55,609 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:29:55,610 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:29:55,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:29:43" (3/4) ... [2020-10-19 22:29:55,616 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 22:29:55,647 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 22:29:55,649 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 22:29:55,651 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:29:55,652 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:29:55,872 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 22:29:55,872 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:29:55,875 INFO L168 Benchmark]: Toolchain (without parser) took 14741.40 ms. Allocated memory was 36.7 MB in the beginning and 156.2 MB in the end (delta: 119.5 MB). Free memory was 12.5 MB in the beginning and 54.6 MB in the end (delta: -42.1 MB). Peak memory consumption was 77.5 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:55,875 INFO L168 Benchmark]: CDTParser took 0.87 ms. Allocated memory is still 34.1 MB. Free memory was 19.6 MB in the beginning and 19.6 MB in the end (delta: 30.3 kB). Peak memory consumption was 30.3 kB. Max. memory is 14.3 GB. [2020-10-19 22:29:55,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.84 ms. Allocated memory was 36.7 MB in the beginning and 44.6 MB in the end (delta: 7.9 MB). Free memory was 11.6 MB in the beginning and 22.3 MB in the end (delta: -10.7 MB). Peak memory consumption was 11.6 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:55,877 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.21 ms. Allocated memory is still 44.6 MB. Free memory was 22.3 MB in the beginning and 16.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:55,877 INFO L168 Benchmark]: Boogie Preprocessor took 107.99 ms. Allocated memory is still 44.6 MB. Free memory was 16.4 MB in the beginning and 11.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:55,878 INFO L168 Benchmark]: RCFGBuilder took 1427.23 ms. Allocated memory was 44.6 MB in the beginning and 59.2 MB in the end (delta: 14.7 MB). Free memory was 11.7 MB in the beginning and 18.2 MB in the end (delta: -6.6 MB). Peak memory consumption was 15.0 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:55,878 INFO L168 Benchmark]: TraceAbstraction took 12090.72 ms. Allocated memory was 59.2 MB in the beginning and 156.2 MB in the end (delta: 97.0 MB). Free memory was 17.7 MB in the beginning and 73.4 MB in the end (delta: -55.7 MB). Peak memory consumption was 96.6 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:55,879 INFO L168 Benchmark]: Witness Printer took 263.79 ms. Allocated memory is still 156.2 MB. Free memory was 73.4 MB in the beginning and 54.6 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:55,883 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 ms. Allocated memory is still 34.1 MB. Free memory was 19.6 MB in the beginning and 19.6 MB in the end (delta: 30.3 kB). Peak memory consumption was 30.3 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 725.84 ms. Allocated memory was 36.7 MB in the beginning and 44.6 MB in the end (delta: 7.9 MB). Free memory was 11.6 MB in the beginning and 22.3 MB in the end (delta: -10.7 MB). Peak memory consumption was 11.6 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 114.21 ms. Allocated memory is still 44.6 MB. Free memory was 22.3 MB in the beginning and 16.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 107.99 ms. Allocated memory is still 44.6 MB. Free memory was 16.4 MB in the beginning and 11.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1427.23 ms. Allocated memory was 44.6 MB in the beginning and 59.2 MB in the end (delta: 14.7 MB). Free memory was 11.7 MB in the beginning and 18.2 MB in the end (delta: -6.6 MB). Peak memory consumption was 15.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 12090.72 ms. Allocated memory was 59.2 MB in the beginning and 156.2 MB in the end (delta: 97.0 MB). Free memory was 17.7 MB in the beginning and 73.4 MB in the end (delta: -55.7 MB). Peak memory consumption was 96.6 MB. Max. memory is 14.3 GB. * Witness Printer took 263.79 ms. Allocated memory is still 156.2 MB. Free memory was 73.4 MB in the beginning and 54.6 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 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: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((((a20 == 1 && 15 <= a8) || (15 <= a8 && a20 <= 0)) || (a7 <= 0 && a20 == 1)) || (a16 <= 5 && a8 <= 13)) || (a20 == 1 && 5 <= a16)) || (a16 <= 5 && a20 <= 0) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((a20 == 1 && 15 <= a8) || (15 <= a8 && a20 <= 0)) || (a7 <= 0 && a20 == 1)) || (a16 <= 5 && a8 <= 13)) || (a20 == 1 && 5 <= a16)) || (a16 <= 5 && a20 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.5s, OverallIterations: 10, TraceHistogramMax: 7, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 727 SDtfs, 1120 SDslu, 61 SDs, 0 SdLazy, 3568 SolverSat, 583 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 903 GetRequests, 881 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2362occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 2489 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 47 NumberOfFragments, 87 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1504 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 316 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2385 NumberOfCodeBlocks, 2385 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2370 ConstructedInterpolants, 0 QuantifiedInterpolants, 978087 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1897 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 1402/1417 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...