./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label55.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem02_label55.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 e10551180082b0dadb56dddd6c9f8fc502572c2e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:31:48,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:31:48,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:31:48,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:31:48,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:31:48,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:31:48,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:31:48,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:31:48,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:31:48,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:31:48,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:31:48,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:31:48,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:31:48,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:31:48,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:31:48,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:31:48,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:31:48,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:31:48,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:31:48,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:31:48,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:31:48,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:31:48,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:31:48,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:31:48,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:31:48,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:31:48,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:31:48,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:31:48,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:31:48,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:31:48,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:31:48,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:31:48,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:31:48,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:31:48,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:31:48,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:31:48,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:31:48,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:31:48,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:31:48,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:31:48,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:31:48,699 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 22:31:48,748 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:31:48,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:31:48,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:31:48,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:31:48,752 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:31:48,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:31:48,753 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:31:48,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 22:31:48,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:31:48,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:31:48,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:31:48,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:31:48,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:31:48,754 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:31:48,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:31:48,755 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:31:48,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:31:48,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:31:48,756 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:31:48,756 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:31:48,756 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:31:48,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:31:48,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:31:48,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:31:48,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:31:48,757 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 22:31:48,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 22:31:48,757 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:31:48,757 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:31:48,758 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 -> e10551180082b0dadb56dddd6c9f8fc502572c2e [2020-10-19 22:31:48,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:31:48,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:31:48,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:31:48,990 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:31:48,991 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:31:48,992 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label55.c [2020-10-19 22:31:49,054 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa9529a3a/0c74a1174f094187be608eb6d17acdf6/FLAG236f563f7 [2020-10-19 22:31:49,601 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:31:49,602 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label55.c [2020-10-19 22:31:49,612 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa9529a3a/0c74a1174f094187be608eb6d17acdf6/FLAG236f563f7 [2020-10-19 22:31:49,839 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa9529a3a/0c74a1174f094187be608eb6d17acdf6 [2020-10-19 22:31:49,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:31:49,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:31:49,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:31:49,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:31:49,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:31:49,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:31:49" (1/1) ... [2020-10-19 22:31:49,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fc8754e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:49, skipping insertion in model container [2020-10-19 22:31:49,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:31:49" (1/1) ... [2020-10-19 22:31:49,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:31:49,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:31:50,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:31:50,350 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:31:50,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:31:50,539 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:31:50,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:50 WrapperNode [2020-10-19 22:31:50,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:31:50,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:31:50,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:31:50,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:31:50,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:50" (1/1) ... [2020-10-19 22:31:50,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:50" (1/1) ... [2020-10-19 22:31:50,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:31:50,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:31:50,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:31:50,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:31:50,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:50" (1/1) ... [2020-10-19 22:31:50,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:50" (1/1) ... [2020-10-19 22:31:50,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:50" (1/1) ... [2020-10-19 22:31:50,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:50" (1/1) ... [2020-10-19 22:31:50,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:50" (1/1) ... [2020-10-19 22:31:50,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:50" (1/1) ... [2020-10-19 22:31:50,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:50" (1/1) ... [2020-10-19 22:31:50,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:31:50,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:31:50,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:31:50,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:31:50,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:50" (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 22:31:50,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 22:31:50,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:31:50,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:31:50,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:31:52,082 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:31:52,083 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 22:31:52,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:31:52 BoogieIcfgContainer [2020-10-19 22:31:52,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:31:52,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:31:52,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:31:52,094 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:31:52,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:31:49" (1/3) ... [2020-10-19 22:31:52,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60200b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:31:52, skipping insertion in model container [2020-10-19 22:31:52,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:50" (2/3) ... [2020-10-19 22:31:52,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60200b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:31:52, skipping insertion in model container [2020-10-19 22:31:52,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:31:52" (3/3) ... [2020-10-19 22:31:52,099 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label55.c [2020-10-19 22:31:52,110 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:31:52,118 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:31:52,131 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:31:52,156 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:31:52,156 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:31:52,156 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:31:52,156 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:31:52,157 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:31:52,157 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:31:52,158 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:31:52,158 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:31:52,180 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-10-19 22:31:52,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-19 22:31:52,192 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:52,194 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] [2020-10-19 22:31:52,194 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:52,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:52,201 INFO L82 PathProgramCache]: Analyzing trace with hash -673842037, now seen corresponding path program 1 times [2020-10-19 22:31:52,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:52,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746256937] [2020-10-19 22:31:52,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:52,597 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 22:31:52,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746256937] [2020-10-19 22:31:52,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:52,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:31:52,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618597957] [2020-10-19 22:31:52,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:52,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:52,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:52,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:52,623 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-10-19 22:31:53,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:53,605 INFO L93 Difference]: Finished difference Result 602 states and 1036 transitions. [2020-10-19 22:31:53,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:53,607 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-10-19 22:31:53,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:53,632 INFO L225 Difference]: With dead ends: 602 [2020-10-19 22:31:53,632 INFO L226 Difference]: Without dead ends: 310 [2020-10-19 22:31:53,636 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:53,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-10-19 22:31:53,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2020-10-19 22:31:53,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-10-19 22:31:53,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 444 transitions. [2020-10-19 22:31:53,691 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 444 transitions. Word has length 105 [2020-10-19 22:31:53,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:53,692 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 444 transitions. [2020-10-19 22:31:53,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:53,693 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 444 transitions. [2020-10-19 22:31:53,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-19 22:31:53,698 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:53,698 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:53,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 22:31:53,699 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:53,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:53,699 INFO L82 PathProgramCache]: Analyzing trace with hash -2130677400, now seen corresponding path program 1 times [2020-10-19 22:31:53,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:53,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268039589] [2020-10-19 22:31:53,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:53,825 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:31:53,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268039589] [2020-10-19 22:31:53,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:53,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:31:53,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136584649] [2020-10-19 22:31:53,828 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:53,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:53,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:53,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:53,829 INFO L87 Difference]: Start difference. First operand 310 states and 444 transitions. Second operand 3 states. [2020-10-19 22:31:54,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:54,508 INFO L93 Difference]: Finished difference Result 902 states and 1298 transitions. [2020-10-19 22:31:54,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:54,509 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-10-19 22:31:54,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:54,518 INFO L225 Difference]: With dead ends: 902 [2020-10-19 22:31:54,518 INFO L226 Difference]: Without dead ends: 594 [2020-10-19 22:31:54,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:54,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-10-19 22:31:54,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 592. [2020-10-19 22:31:54,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-10-19 22:31:54,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 751 transitions. [2020-10-19 22:31:54,587 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 751 transitions. Word has length 123 [2020-10-19 22:31:54,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:54,587 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 751 transitions. [2020-10-19 22:31:54,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:54,588 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 751 transitions. [2020-10-19 22:31:54,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-19 22:31:54,594 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:54,598 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:54,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 22:31:54,598 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:54,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:54,599 INFO L82 PathProgramCache]: Analyzing trace with hash 2098049800, now seen corresponding path program 1 times [2020-10-19 22:31:54,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:54,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998045247] [2020-10-19 22:31:54,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:54,705 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:31:54,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998045247] [2020-10-19 22:31:54,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:54,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:31:54,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278180971] [2020-10-19 22:31:54,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:54,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:54,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:54,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:54,708 INFO L87 Difference]: Start difference. First operand 592 states and 751 transitions. Second operand 3 states. [2020-10-19 22:31:55,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:55,006 INFO L93 Difference]: Finished difference Result 1172 states and 1487 transitions. [2020-10-19 22:31:55,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:55,007 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-10-19 22:31:55,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:55,012 INFO L225 Difference]: With dead ends: 1172 [2020-10-19 22:31:55,012 INFO L226 Difference]: Without dead ends: 582 [2020-10-19 22:31:55,014 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:55,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2020-10-19 22:31:55,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2020-10-19 22:31:55,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-10-19 22:31:55,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 698 transitions. [2020-10-19 22:31:55,046 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 698 transitions. Word has length 124 [2020-10-19 22:31:55,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:55,048 INFO L481 AbstractCegarLoop]: Abstraction has 582 states and 698 transitions. [2020-10-19 22:31:55,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:55,049 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 698 transitions. [2020-10-19 22:31:55,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-19 22:31:55,052 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:55,052 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:55,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 22:31:55,053 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:55,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:55,054 INFO L82 PathProgramCache]: Analyzing trace with hash 252564923, now seen corresponding path program 1 times [2020-10-19 22:31:55,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:55,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774419613] [2020-10-19 22:31:55,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:55,162 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:31:55,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774419613] [2020-10-19 22:31:55,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:55,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:31:55,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104739305] [2020-10-19 22:31:55,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:55,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:55,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:55,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:55,165 INFO L87 Difference]: Start difference. First operand 582 states and 698 transitions. Second operand 3 states. [2020-10-19 22:31:55,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:55,686 INFO L93 Difference]: Finished difference Result 1302 states and 1569 transitions. [2020-10-19 22:31:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:55,687 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2020-10-19 22:31:55,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:55,694 INFO L225 Difference]: With dead ends: 1302 [2020-10-19 22:31:55,694 INFO L226 Difference]: Without dead ends: 722 [2020-10-19 22:31:55,696 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 22:31:55,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2020-10-19 22:31:55,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2020-10-19 22:31:55,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2020-10-19 22:31:55,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 853 transitions. [2020-10-19 22:31:55,720 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 853 transitions. Word has length 128 [2020-10-19 22:31:55,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:55,720 INFO L481 AbstractCegarLoop]: Abstraction has 722 states and 853 transitions. [2020-10-19 22:31:55,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:55,721 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 853 transitions. [2020-10-19 22:31:55,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-19 22:31:55,723 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:55,723 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:55,724 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 22:31:55,724 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:55,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:55,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1693136251, now seen corresponding path program 1 times [2020-10-19 22:31:55,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:55,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248992174] [2020-10-19 22:31:55,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:56,165 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:31:56,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248992174] [2020-10-19 22:31:56,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933244557] [2020-10-19 22:31:56,166 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 22:31:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:56,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:31:56,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:31:56,443 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-19 22:31:56,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:31:56,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 22:31:56,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372776883] [2020-10-19 22:31:56,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:56,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:56,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:56,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:31:56,447 INFO L87 Difference]: Start difference. First operand 722 states and 853 transitions. Second operand 3 states. [2020-10-19 22:31:56,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:56,989 INFO L93 Difference]: Finished difference Result 2007 states and 2364 transitions. [2020-10-19 22:31:56,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:56,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2020-10-19 22:31:56,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:56,997 INFO L225 Difference]: With dead ends: 2007 [2020-10-19 22:31:56,997 INFO L226 Difference]: Without dead ends: 1287 [2020-10-19 22:31:56,999 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:31:57,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2020-10-19 22:31:57,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1283. [2020-10-19 22:31:57,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1283 states. [2020-10-19 22:31:57,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1283 states and 1489 transitions. [2020-10-19 22:31:57,027 INFO L78 Accepts]: Start accepts. Automaton has 1283 states and 1489 transitions. Word has length 132 [2020-10-19 22:31:57,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:57,028 INFO L481 AbstractCegarLoop]: Abstraction has 1283 states and 1489 transitions. [2020-10-19 22:31:57,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:57,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1489 transitions. [2020-10-19 22:31:57,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-19 22:31:57,032 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:57,032 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:57,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:31:57,246 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:57,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:57,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1898273489, now seen corresponding path program 1 times [2020-10-19 22:31:57,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:57,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191418552] [2020-10-19 22:31:57,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:57,345 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-19 22:31:57,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191418552] [2020-10-19 22:31:57,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778026026] [2020-10-19 22:31:57,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:31:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:57,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:31:57,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:31:57,484 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-19 22:31:57,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:31:57,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:31:57,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771745709] [2020-10-19 22:31:57,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:57,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:57,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:57,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:31:57,487 INFO L87 Difference]: Start difference. First operand 1283 states and 1489 transitions. Second operand 3 states. [2020-10-19 22:31:57,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:57,978 INFO L93 Difference]: Finished difference Result 2846 states and 3370 transitions. [2020-10-19 22:31:57,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:57,979 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2020-10-19 22:31:57,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:57,987 INFO L225 Difference]: With dead ends: 2846 [2020-10-19 22:31:57,988 INFO L226 Difference]: Without dead ends: 1705 [2020-10-19 22:31:57,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 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 22:31:57,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2020-10-19 22:31:58,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1284. [2020-10-19 22:31:58,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1284 states. [2020-10-19 22:31:58,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 1526 transitions. [2020-10-19 22:31:58,035 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 1526 transitions. Word has length 146 [2020-10-19 22:31:58,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:58,036 INFO L481 AbstractCegarLoop]: Abstraction has 1284 states and 1526 transitions. [2020-10-19 22:31:58,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:58,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1526 transitions. [2020-10-19 22:31:58,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-19 22:31:58,039 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:58,040 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:58,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:31:58,254 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:58,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:58,255 INFO L82 PathProgramCache]: Analyzing trace with hash 468934390, now seen corresponding path program 1 times [2020-10-19 22:31:58,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:58,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731124778] [2020-10-19 22:31:58,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:58,396 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-19 22:31:58,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731124778] [2020-10-19 22:31:58,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:58,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:31:58,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040401753] [2020-10-19 22:31:58,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:58,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:58,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:58,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:58,402 INFO L87 Difference]: Start difference. First operand 1284 states and 1526 transitions. Second operand 3 states. [2020-10-19 22:31:59,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:59,002 INFO L93 Difference]: Finished difference Result 2986 states and 3551 transitions. [2020-10-19 22:31:59,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:59,003 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2020-10-19 22:31:59,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:59,015 INFO L225 Difference]: With dead ends: 2986 [2020-10-19 22:31:59,015 INFO L226 Difference]: Without dead ends: 1562 [2020-10-19 22:31:59,018 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 22:31:59,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2020-10-19 22:31:59,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 1562. [2020-10-19 22:31:59,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1562 states. [2020-10-19 22:31:59,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 1733 transitions. [2020-10-19 22:31:59,070 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 1733 transitions. Word has length 158 [2020-10-19 22:31:59,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:59,071 INFO L481 AbstractCegarLoop]: Abstraction has 1562 states and 1733 transitions. [2020-10-19 22:31:59,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:59,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 1733 transitions. [2020-10-19 22:31:59,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-19 22:31:59,078 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:59,079 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 22:31:59,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 22:31:59,079 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:59,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:59,080 INFO L82 PathProgramCache]: Analyzing trace with hash -739491797, now seen corresponding path program 1 times [2020-10-19 22:31:59,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:59,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379318710] [2020-10-19 22:31:59,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:59,215 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:31:59,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379318710] [2020-10-19 22:31:59,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:59,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:31:59,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485458842] [2020-10-19 22:31:59,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:59,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:59,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:59,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:59,219 INFO L87 Difference]: Start difference. First operand 1562 states and 1733 transitions. Second operand 3 states. [2020-10-19 22:31:59,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:59,702 INFO L93 Difference]: Finished difference Result 3402 states and 3727 transitions. [2020-10-19 22:31:59,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:59,703 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2020-10-19 22:31:59,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:59,714 INFO L225 Difference]: With dead ends: 3402 [2020-10-19 22:31:59,714 INFO L226 Difference]: Without dead ends: 1700 [2020-10-19 22:31:59,717 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 22:31:59,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2020-10-19 22:31:59,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1697. [2020-10-19 22:31:59,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1697 states. [2020-10-19 22:31:59,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1697 states and 1796 transitions. [2020-10-19 22:31:59,768 INFO L78 Accepts]: Start accepts. Automaton has 1697 states and 1796 transitions. Word has length 179 [2020-10-19 22:31:59,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:59,769 INFO L481 AbstractCegarLoop]: Abstraction has 1697 states and 1796 transitions. [2020-10-19 22:31:59,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:59,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 1796 transitions. [2020-10-19 22:31:59,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-19 22:31:59,777 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:59,777 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:59,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 22:31:59,778 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:59,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:59,779 INFO L82 PathProgramCache]: Analyzing trace with hash 2121193629, now seen corresponding path program 1 times [2020-10-19 22:31:59,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:59,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159954462] [2020-10-19 22:31:59,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:32:00,006 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-19 22:32:00,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159954462] [2020-10-19 22:32:00,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768171404] [2020-10-19 22:32:00,008 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 22:32:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:32:00,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:32:00,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:32:00,283 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-19 22:32:00,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:32:00,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-10-19 22:32:00,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095341145] [2020-10-19 22:32:00,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:32:00,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:32:00,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:32:00,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:32:00,286 INFO L87 Difference]: Start difference. First operand 1697 states and 1796 transitions. Second operand 3 states. [2020-10-19 22:32:00,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:32:00,747 INFO L93 Difference]: Finished difference Result 4524 states and 4797 transitions. [2020-10-19 22:32:00,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:32:00,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2020-10-19 22:32:00,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:32:00,762 INFO L225 Difference]: With dead ends: 4524 [2020-10-19 22:32:00,763 INFO L226 Difference]: Without dead ends: 2969 [2020-10-19 22:32:00,765 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 189 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 22:32:00,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2969 states. [2020-10-19 22:32:00,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2969 to 2829. [2020-10-19 22:32:00,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2829 states. [2020-10-19 22:32:00,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2829 states to 2829 states and 3002 transitions. [2020-10-19 22:32:00,827 INFO L78 Accepts]: Start accepts. Automaton has 2829 states and 3002 transitions. Word has length 190 [2020-10-19 22:32:00,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:32:00,828 INFO L481 AbstractCegarLoop]: Abstraction has 2829 states and 3002 transitions. [2020-10-19 22:32:00,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:32:00,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2829 states and 3002 transitions. [2020-10-19 22:32:00,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-19 22:32:00,834 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:32:00,834 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 22:32:01,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:32:01,048 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:32:01,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:32:01,049 INFO L82 PathProgramCache]: Analyzing trace with hash 196926268, now seen corresponding path program 1 times [2020-10-19 22:32:01,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:32:01,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581798577] [2020-10-19 22:32:01,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:32:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:32:01,367 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:32:01,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581798577] [2020-10-19 22:32:01,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206106981] [2020-10-19 22:32:01,368 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 22:32:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:32:01,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:32:01,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:32:01,508 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-19 22:32:01,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:32:01,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 22:32:01,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079906233] [2020-10-19 22:32:01,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:32:01,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:32:01,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:32:01,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:32:01,511 INFO L87 Difference]: Start difference. First operand 2829 states and 3002 transitions. Second operand 3 states. [2020-10-19 22:32:02,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:32:02,021 INFO L93 Difference]: Finished difference Result 5372 states and 5712 transitions. [2020-10-19 22:32:02,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:32:02,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 203 [2020-10-19 22:32:02,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:32:02,034 INFO L225 Difference]: With dead ends: 5372 [2020-10-19 22:32:02,035 INFO L226 Difference]: Without dead ends: 2685 [2020-10-19 22:32:02,039 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:32:02,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2020-10-19 22:32:02,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 2683. [2020-10-19 22:32:02,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2683 states. [2020-10-19 22:32:02,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2683 states to 2683 states and 2828 transitions. [2020-10-19 22:32:02,085 INFO L78 Accepts]: Start accepts. Automaton has 2683 states and 2828 transitions. Word has length 203 [2020-10-19 22:32:02,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:32:02,086 INFO L481 AbstractCegarLoop]: Abstraction has 2683 states and 2828 transitions. [2020-10-19 22:32:02,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:32:02,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 2828 transitions. [2020-10-19 22:32:02,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-10-19 22:32:02,093 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:32:02,094 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:32:02,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:32:02,307 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:32:02,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:32:02,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1294945328, now seen corresponding path program 1 times [2020-10-19 22:32:02,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:32:02,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553944255] [2020-10-19 22:32:02,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:32:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:32:02,463 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-10-19 22:32:02,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553944255] [2020-10-19 22:32:02,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:32:02,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:32:02,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466320545] [2020-10-19 22:32:02,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:32:02,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:32:02,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:32:02,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:32:02,466 INFO L87 Difference]: Start difference. First operand 2683 states and 2828 transitions. Second operand 3 states. [2020-10-19 22:32:02,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:32:02,911 INFO L93 Difference]: Finished difference Result 3523 states and 3697 transitions. [2020-10-19 22:32:02,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:32:02,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 277 [2020-10-19 22:32:02,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:32:02,912 INFO L225 Difference]: With dead ends: 3523 [2020-10-19 22:32:02,913 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 22:32:02,917 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 22:32:02,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 22:32:02,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 22:32:02,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 22:32:02,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 22:32:02,918 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 277 [2020-10-19 22:32:02,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:32:02,918 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 22:32:02,918 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:32:02,919 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 22:32:02,919 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 22:32:02,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-19 22:32:02,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 22:32:03,203 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2020-10-19 22:32:03,445 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2020-10-19 22:32:03,450 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-19 22:32:03,450 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-19 22:32:03,450 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-19 22:32:03,450 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-19 22:32:03,450 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-19 22:32:03,450 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-19 22:32:03,450 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-19 22:32:03,451 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,451 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,451 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,451 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-19 22:32:03,454 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-19 22:32:03,454 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-19 22:32:03,454 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-19 22:32:03,454 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-19 22:32:03,454 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-19 22:32:03,454 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-19 22:32:03,454 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,454 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,454 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,454 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-19 22:32:03,455 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-19 22:32:03,455 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-19 22:32:03,455 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-19 22:32:03,455 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-19 22:32:03,455 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-19 22:32:03,455 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-19 22:32:03,455 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,455 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,455 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,455 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-19 22:32:03,455 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-19 22:32:03,455 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-19 22:32:03,456 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-19 22:32:03,456 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-19 22:32:03,456 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,456 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,456 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,456 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-19 22:32:03,456 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-19 22:32:03,456 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-19 22:32:03,456 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-19 22:32:03,456 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-19 22:32:03,456 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-19 22:32:03,456 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-19 22:32:03,457 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-19 22:32:03,457 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,457 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,457 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,457 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-19 22:32:03,457 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-19 22:32:03,458 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-19 22:32:03,458 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-19 22:32:03,458 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-19 22:32:03,458 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-19 22:32:03,458 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-19 22:32:03,458 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-19 22:32:03,458 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,458 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,458 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,458 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-19 22:32:03,458 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-19 22:32:03,458 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-19 22:32:03,459 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-19 22:32:03,459 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-19 22:32:03,459 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-19 22:32:03,459 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-19 22:32:03,459 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-19 22:32:03,459 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-19 22:32:03,459 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,459 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,459 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,459 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-19 22:32:03,459 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-19 22:32:03,460 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-19 22:32:03,460 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-19 22:32:03,460 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-19 22:32:03,460 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-19 22:32:03,460 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 22:32:03,460 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,460 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,460 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,460 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-19 22:32:03,460 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-19 22:32:03,460 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-19 22:32:03,461 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-19 22:32:03,461 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-19 22:32:03,461 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-19 22:32:03,461 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-19 22:32:03,461 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-19 22:32:03,461 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,461 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,461 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,461 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-19 22:32:03,461 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-19 22:32:03,461 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-19 22:32:03,462 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-19 22:32:03,462 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-19 22:32:03,462 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,462 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,462 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,462 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-19 22:32:03,462 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 22:32:03,462 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 22:32:03,462 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-19 22:32:03,462 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-19 22:32:03,462 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-19 22:32:03,463 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-19 22:32:03,463 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-19 22:32:03,463 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-19 22:32:03,463 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-19 22:32:03,463 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-19 22:32:03,463 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-19 22:32:03,463 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-19 22:32:03,463 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,463 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,463 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-19 22:32:03,463 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-19 22:32:03,463 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-19 22:32:03,464 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-19 22:32:03,464 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-19 22:32:03,464 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-19 22:32:03,464 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-19 22:32:03,464 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-19 22:32:03,464 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-19 22:32:03,464 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 22:32:03,465 INFO L270 CegarLoopResult]: At program point L599(lines 31 600) the Hoare annotation is: (let ((.cse9 (<= ~a25~0 0)) (.cse7 (<= ~a28~0 7)) (.cse2 (= ~a19~0 1)) (.cse1 (<= 9 ~a28~0)) (.cse8 (<= ~a28~0 9)) (.cse5 (= ~a11~0 1)) (.cse0 (<= ~a11~0 0)) (.cse10 (<= 10 ~a28~0)) (.cse6 (= ~a25~0 1)) (.cse3 (<= ~a17~0 8)) (.cse4 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse2 .cse6 .cse7 .cse3) (and .cse0 .cse2 .cse6 .cse3) (and .cse0 .cse8 .cse3 .cse9) (and .cse5 .cse7 .cse3) (and .cse10 .cse5 .cse3 .cse9 .cse4) (and .cse10 .cse2 .cse3 .cse4) (and .cse0 .cse7 .cse3) (and .cse2 .cse10 .cse6 .cse3) (and .cse1 .cse6 .cse8 .cse5 .cse3) (and .cse0 .cse10 .cse6 .cse3 .cse4))) [2020-10-19 22:32:03,465 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,465 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,465 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-19 22:32:03,465 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-19 22:32:03,466 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-19 22:32:03,466 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-19 22:32:03,466 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-19 22:32:03,466 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-19 22:32:03,466 INFO L277 CegarLoopResult]: At program point L602(lines 602 619) the Hoare annotation is: true [2020-10-19 22:32:03,466 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,466 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,466 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-19 22:32:03,466 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-19 22:32:03,466 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-19 22:32:03,466 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-19 22:32:03,466 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-19 22:32:03,467 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-19 22:32:03,467 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-19 22:32:03,467 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-19 22:32:03,467 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-19 22:32:03,467 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,467 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,467 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-19 22:32:03,467 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-19 22:32:03,467 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-19 22:32:03,467 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-19 22:32:03,467 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-19 22:32:03,468 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-19 22:32:03,468 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse9 (<= ~a25~0 0)) (.cse7 (<= ~a28~0 7)) (.cse2 (= ~a19~0 1)) (.cse1 (<= 9 ~a28~0)) (.cse8 (<= ~a28~0 9)) (.cse5 (= ~a11~0 1)) (.cse0 (<= ~a11~0 0)) (.cse10 (<= 10 ~a28~0)) (.cse6 (= ~a25~0 1)) (.cse3 (<= ~a17~0 8)) (.cse4 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse2 .cse6 .cse7 .cse3) (and .cse0 .cse2 .cse6 .cse3) (and .cse0 .cse8 .cse3 .cse9) (and .cse5 .cse7 .cse3) (and .cse10 .cse5 .cse3 .cse9 .cse4) (and .cse10 .cse2 .cse3 .cse4) (and .cse0 .cse7 .cse3) (and .cse2 .cse10 .cse6 .cse3) (and .cse1 .cse6 .cse8 .cse5 .cse3) (and .cse0 .cse10 .cse6 .cse3 .cse4))) [2020-10-19 22:32:03,468 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,468 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,468 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-19 22:32:03,468 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-19 22:32:03,468 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-19 22:32:03,468 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-19 22:32:03,468 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-19 22:32:03,468 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,469 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,469 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-19 22:32:03,469 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-19 22:32:03,469 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-19 22:32:03,469 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-19 22:32:03,469 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-19 22:32:03,469 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-19 22:32:03,469 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-19 22:32:03,469 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-19 22:32:03,469 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-19 22:32:03,469 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,469 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,470 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-19 22:32:03,470 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,470 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 22:32:03,470 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-19 22:32:03,470 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-19 22:32:03,470 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-19 22:32:03,470 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-19 22:32:03,470 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-19 22:32:03,470 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-19 22:32:03,470 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,470 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,470 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,471 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-19 22:32:03,471 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-19 22:32:03,471 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-19 22:32:03,471 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-19 22:32:03,471 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-19 22:32:03,471 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,471 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,471 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,471 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-19 22:32:03,471 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-19 22:32:03,471 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-19 22:32:03,471 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-19 22:32:03,472 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-19 22:32:03,472 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-19 22:32:03,472 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 22:32:03,472 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,472 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,472 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,472 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-19 22:32:03,472 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-19 22:32:03,472 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-19 22:32:03,472 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-19 22:32:03,472 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-19 22:32:03,472 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-19 22:32:03,473 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-19 22:32:03,473 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-19 22:32:03,473 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,473 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,473 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,473 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-19 22:32:03,473 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-19 22:32:03,473 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-19 22:32:03,473 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-19 22:32:03,473 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-19 22:32:03,473 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,473 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,474 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:32:03,474 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-19 22:32:03,474 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-19 22:32:03,474 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-19 22:32:03,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:32:03 BoogieIcfgContainer [2020-10-19 22:32:03,508 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:32:03,508 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:32:03,508 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:32:03,508 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:32:03,512 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:31:52" (3/4) ... [2020-10-19 22:32:03,518 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 22:32:03,543 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 22:32:03,544 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 22:32:03,545 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:32:03,547 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:32:03,714 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 22:32:03,715 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:32:03,716 INFO L168 Benchmark]: Toolchain (without parser) took 13872.42 ms. Allocated memory was 37.2 MB in the beginning and 166.7 MB in the end (delta: 129.5 MB). Free memory was 17.6 MB in the beginning and 69.0 MB in the end (delta: -51.5 MB). Peak memory consumption was 78.0 MB. Max. memory is 14.3 GB. [2020-10-19 22:32:03,717 INFO L168 Benchmark]: CDTParser took 0.66 ms. Allocated memory is still 34.1 MB. Free memory was 11.0 MB in the beginning and 11.0 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. [2020-10-19 22:32:03,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.06 ms. Allocated memory was 37.2 MB in the beginning and 46.7 MB in the end (delta: 9.4 MB). Free memory was 16.7 MB in the beginning and 22.9 MB in the end (delta: -6.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 14.3 GB. [2020-10-19 22:32:03,718 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.91 ms. Allocated memory is still 46.7 MB. Free memory was 22.9 MB in the beginning and 17.1 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 14.3 GB. [2020-10-19 22:32:03,718 INFO L168 Benchmark]: Boogie Preprocessor took 128.21 ms. Allocated memory is still 46.7 MB. Free memory was 17.1 MB in the beginning and 12.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 14.3 GB. [2020-10-19 22:32:03,719 INFO L168 Benchmark]: RCFGBuilder took 1339.13 ms. Allocated memory was 46.7 MB in the beginning and 59.8 MB in the end (delta: 13.1 MB). Free memory was 12.6 MB in the beginning and 30.6 MB in the end (delta: -18.0 MB). Peak memory consumption was 10.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:32:03,719 INFO L168 Benchmark]: TraceAbstraction took 11417.74 ms. Allocated memory was 59.8 MB in the beginning and 166.7 MB in the end (delta: 107.0 MB). Free memory was 30.6 MB in the beginning and 88.1 MB in the end (delta: -57.5 MB). Peak memory consumption was 127.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:32:03,719 INFO L168 Benchmark]: Witness Printer took 206.91 ms. Allocated memory is still 166.7 MB. Free memory was 88.1 MB in the beginning and 69.0 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 14.3 GB. [2020-10-19 22:32:03,722 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 ms. Allocated memory is still 34.1 MB. Free memory was 11.0 MB in the beginning and 11.0 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 690.06 ms. Allocated memory was 37.2 MB in the beginning and 46.7 MB in the end (delta: 9.4 MB). Free memory was 16.7 MB in the beginning and 22.9 MB in the end (delta: -6.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 77.91 ms. Allocated memory is still 46.7 MB. Free memory was 22.9 MB in the beginning and 17.1 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 128.21 ms. Allocated memory is still 46.7 MB. Free memory was 17.1 MB in the beginning and 12.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1339.13 ms. Allocated memory was 46.7 MB in the beginning and 59.8 MB in the end (delta: 13.1 MB). Free memory was 12.6 MB in the beginning and 30.6 MB in the end (delta: -18.0 MB). Peak memory consumption was 10.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 11417.74 ms. Allocated memory was 59.8 MB in the beginning and 166.7 MB in the end (delta: 107.0 MB). Free memory was 30.6 MB in the beginning and 88.1 MB in the end (delta: -57.5 MB). Peak memory consumption was 127.7 MB. Max. memory is 14.3 GB. * Witness Printer took 206.91 ms. Allocated memory is still 166.7 MB. Free memory was 88.1 MB in the beginning and 69.0 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((((((((((((a11 <= 0 && 9 <= a28) && a19 == 1) && a17 <= 8) && a28 <= 10) || ((((9 <= a28 && a19 == 1) && a11 == 1) && a17 <= 8) && a28 <= 10)) || (((a19 == 1 && a25 == 1) && a28 <= 7) && a17 <= 8)) || (((a11 <= 0 && a19 == 1) && a25 == 1) && a17 <= 8)) || (((a11 <= 0 && a28 <= 9) && a17 <= 8) && a25 <= 0)) || ((a11 == 1 && a28 <= 7) && a17 <= 8)) || ((((10 <= a28 && a11 == 1) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || (((10 <= a28 && a19 == 1) && a17 <= 8) && a28 <= 10)) || ((a11 <= 0 && a28 <= 7) && a17 <= 8)) || (((a19 == 1 && 10 <= a28) && a25 == 1) && a17 <= 8)) || ((((9 <= a28 && a25 == 1) && a28 <= 9) && a11 == 1) && a17 <= 8)) || ((((a11 <= 0 && 10 <= a28) && a25 == 1) && a17 <= 8) && a28 <= 10) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: ((((((((((((((a11 <= 0 && 9 <= a28) && a19 == 1) && a17 <= 8) && a28 <= 10) || ((((9 <= a28 && a19 == 1) && a11 == 1) && a17 <= 8) && a28 <= 10)) || (((a19 == 1 && a25 == 1) && a28 <= 7) && a17 <= 8)) || (((a11 <= 0 && a19 == 1) && a25 == 1) && a17 <= 8)) || (((a11 <= 0 && a28 <= 9) && a17 <= 8) && a25 <= 0)) || ((a11 == 1 && a28 <= 7) && a17 <= 8)) || ((((10 <= a28 && a11 == 1) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || (((10 <= a28 && a19 == 1) && a17 <= 8) && a28 <= 10)) || ((a11 <= 0 && a28 <= 7) && a17 <= 8)) || (((a19 == 1 && 10 <= a28) && a25 == 1) && a17 <= 8)) || ((((9 <= a28 && a25 == 1) && a28 <= 9) && a11 == 1) && a17 <= 8)) || ((((a11 <= 0 && 10 <= a28) && a25 == 1) && a17 <= 8) && a28 <= 10) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.7s, OverallIterations: 11, TraceHistogramMax: 7, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1149 SDtfs, 1252 SDslu, 138 SDs, 0 SdLazy, 3583 SolverSat, 570 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 699 GetRequests, 678 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2829occurred in iteration=9, 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, 11 MinimizatonAttempts, 572 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 37 NumberOfFragments, 333 HoareAnnotationTreeSize, 3 FomulaSimplifications, 426 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 178 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2436 NumberOfCodeBlocks, 2436 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2421 ConstructedInterpolants, 0 QuantifiedInterpolants, 1382784 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1253 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 1133/1293 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...