./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label01.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_label01.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 33589766452b0715c8a217b98b709a5695e5030a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-19 22:30:48,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:30:48,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:30:48,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:30:48,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:30:48,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:30:48,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:30:48,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:30:48,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:30:48,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:30:48,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:30:48,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:30:48,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:30:48,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:30:48,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:30:48,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:30:48,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:30:48,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:30:48,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:30:48,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:30:48,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:30:48,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:30:48,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:30:48,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:30:48,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:30:48,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:30:48,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:30:48,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:30:48,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:30:48,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:30:48,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:30:48,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:30:48,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:30:48,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:30:48,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:30:48,547 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:30:48,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:30:48,548 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:30:48,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:30:48,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:30:48,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:30:48,552 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 22:30:48,594 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:30:48,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:30:48,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:30:48,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:30:48,598 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:30:48,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:30:48,599 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:30:48,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 22:30:48,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:30:48,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:30:48,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:30:48,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:30:48,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:30:48,602 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:30:48,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:30:48,602 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:30:48,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:30:48,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:30:48,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:30:48,604 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:30:48,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:30:48,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:30:48,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:30:48,605 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:30:48,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:30:48,606 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 22:30:48,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 22:30:48,606 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:30:48,606 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:30:48,606 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 -> 33589766452b0715c8a217b98b709a5695e5030a [2020-10-19 22:30:48,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:30:48,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:30:48,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:30:48,860 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:30:48,861 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:30:48,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label01.c [2020-10-19 22:30:48,922 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/285823c2e/329d71f7ec0f4938bfffae2a2c1622ce/FLAG8001257f3 [2020-10-19 22:30:49,618 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:30:49,619 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label01.c [2020-10-19 22:30:49,645 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/285823c2e/329d71f7ec0f4938bfffae2a2c1622ce/FLAG8001257f3 [2020-10-19 22:30:49,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/285823c2e/329d71f7ec0f4938bfffae2a2c1622ce [2020-10-19 22:30:49,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:30:49,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:30:49,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:30:49,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:30:49,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:30:49,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:30:49" (1/1) ... [2020-10-19 22:30:49,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@103c2e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:49, skipping insertion in model container [2020-10-19 22:30:49,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:30:49" (1/1) ... [2020-10-19 22:30:49,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:30:50,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:30:50,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:30:50,510 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:30:50,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:30:50,642 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:30:50,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:50 WrapperNode [2020-10-19 22:30:50,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:30:50,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:30:50,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:30:50,644 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:30:50,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:50" (1/1) ... [2020-10-19 22:30:50,674 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:50" (1/1) ... [2020-10-19 22:30:50,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:30:50,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:30:50,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:30:50,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:30:50,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:50" (1/1) ... [2020-10-19 22:30:50,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:50" (1/1) ... [2020-10-19 22:30:50,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:50" (1/1) ... [2020-10-19 22:30:50,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:50" (1/1) ... [2020-10-19 22:30:50,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:50" (1/1) ... [2020-10-19 22:30:50,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:50" (1/1) ... [2020-10-19 22:30:50,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:50" (1/1) ... [2020-10-19 22:30:50,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:30:50,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:30:50,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:30:50,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:30:50,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:50" (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 22:30:50,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 22:30:50,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:30:50,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:30:50,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:30:52,295 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:30:52,295 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 22:30:52,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:30:52 BoogieIcfgContainer [2020-10-19 22:30:52,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:30:52,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:30:52,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:30:52,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:30:52,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:30:49" (1/3) ... [2020-10-19 22:30:52,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31f53e73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:30:52, skipping insertion in model container [2020-10-19 22:30:52,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:50" (2/3) ... [2020-10-19 22:30:52,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31f53e73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:30:52, skipping insertion in model container [2020-10-19 22:30:52,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:30:52" (3/3) ... [2020-10-19 22:30:52,307 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label01.c [2020-10-19 22:30:52,319 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:30:52,328 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:30:52,343 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:30:52,371 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:30:52,372 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:30:52,372 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:30:52,372 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:30:52,372 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:30:52,372 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:30:52,373 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:30:52,373 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:30:52,397 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-10-19 22:30:52,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-19 22:30:52,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:52,411 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:30:52,411 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:52,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:52,418 INFO L82 PathProgramCache]: Analyzing trace with hash 394505643, now seen corresponding path program 1 times [2020-10-19 22:30:52,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:52,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105635483] [2020-10-19 22:30:52,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:53,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:30:53,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105635483] [2020-10-19 22:30:53,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:30:53,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:30:53,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625027023] [2020-10-19 22:30:53,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:30:53,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:53,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:30:53,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:30:53,094 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-10-19 22:30:54,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:30:54,148 INFO L93 Difference]: Finished difference Result 631 states and 1071 transitions. [2020-10-19 22:30:54,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:30:54,151 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-10-19 22:30:54,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:30:54,167 INFO L225 Difference]: With dead ends: 631 [2020-10-19 22:30:54,167 INFO L226 Difference]: Without dead ends: 318 [2020-10-19 22:30:54,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:30:54,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-10-19 22:30:54,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2020-10-19 22:30:54,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-19 22:30:54,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 467 transitions. [2020-10-19 22:30:54,238 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 467 transitions. Word has length 113 [2020-10-19 22:30:54,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:30:54,239 INFO L481 AbstractCegarLoop]: Abstraction has 318 states and 467 transitions. [2020-10-19 22:30:54,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:30:54,240 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 467 transitions. [2020-10-19 22:30:54,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-19 22:30:54,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:54,243 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:30:54,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 22:30:54,244 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:54,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:54,245 INFO L82 PathProgramCache]: Analyzing trace with hash -514895522, now seen corresponding path program 1 times [2020-10-19 22:30:54,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:54,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681023551] [2020-10-19 22:30:54,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:54,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:30:54,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681023551] [2020-10-19 22:30:54,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:30:54,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:30:54,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633509265] [2020-10-19 22:30:54,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:30:54,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:54,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:30:54,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:30:54,349 INFO L87 Difference]: Start difference. First operand 318 states and 467 transitions. Second operand 3 states. [2020-10-19 22:30:54,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:30:54,984 INFO L93 Difference]: Finished difference Result 919 states and 1357 transitions. [2020-10-19 22:30:54,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:30:54,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-10-19 22:30:54,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:30:54,989 INFO L225 Difference]: With dead ends: 919 [2020-10-19 22:30:54,989 INFO L226 Difference]: Without dead ends: 603 [2020-10-19 22:30:54,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:30:54,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2020-10-19 22:30:55,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 601. [2020-10-19 22:30:55,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2020-10-19 22:30:55,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 775 transitions. [2020-10-19 22:30:55,034 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 775 transitions. Word has length 117 [2020-10-19 22:30:55,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:30:55,035 INFO L481 AbstractCegarLoop]: Abstraction has 601 states and 775 transitions. [2020-10-19 22:30:55,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:30:55,035 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 775 transitions. [2020-10-19 22:30:55,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-19 22:30:55,039 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:55,040 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:30:55,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 22:30:55,040 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:55,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:55,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1292316657, now seen corresponding path program 1 times [2020-10-19 22:30:55,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:55,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150781931] [2020-10-19 22:30:55,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:55,121 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:30:55,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150781931] [2020-10-19 22:30:55,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502955428] [2020-10-19 22:30:55,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:30:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:55,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:30:55,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:30:55,321 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-19 22:30:55,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:30:55,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-10-19 22:30:55,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87988937] [2020-10-19 22:30:55,323 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:30:55,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:55,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:30:55,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:30:55,326 INFO L87 Difference]: Start difference. First operand 601 states and 775 transitions. Second operand 3 states. [2020-10-19 22:30:56,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:30:56,013 INFO L93 Difference]: Finished difference Result 1619 states and 2118 transitions. [2020-10-19 22:30:56,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:30:56,016 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-10-19 22:30:56,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:30:56,027 INFO L225 Difference]: With dead ends: 1619 [2020-10-19 22:30:56,033 INFO L226 Difference]: Without dead ends: 1020 [2020-10-19 22:30:56,035 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:30:56,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2020-10-19 22:30:56,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 739. [2020-10-19 22:30:56,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2020-10-19 22:30:56,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 986 transitions. [2020-10-19 22:30:56,079 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 986 transitions. Word has length 122 [2020-10-19 22:30:56,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:30:56,080 INFO L481 AbstractCegarLoop]: Abstraction has 739 states and 986 transitions. [2020-10-19 22:30:56,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:30:56,080 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 986 transitions. [2020-10-19 22:30:56,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-19 22:30:56,091 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:56,091 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:30:56,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-19 22:30:56,306 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:56,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:56,307 INFO L82 PathProgramCache]: Analyzing trace with hash -156805413, now seen corresponding path program 1 times [2020-10-19 22:30:56,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:56,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763800288] [2020-10-19 22:30:56,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:56,457 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 22:30:56,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763800288] [2020-10-19 22:30:56,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:30:56,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:30:56,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571840754] [2020-10-19 22:30:56,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:30:56,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:56,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:30:56,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:30:56,462 INFO L87 Difference]: Start difference. First operand 739 states and 986 transitions. Second operand 3 states. [2020-10-19 22:30:57,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:30:57,160 INFO L93 Difference]: Finished difference Result 1900 states and 2607 transitions. [2020-10-19 22:30:57,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:30:57,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2020-10-19 22:30:57,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:30:57,170 INFO L225 Difference]: With dead ends: 1900 [2020-10-19 22:30:57,170 INFO L226 Difference]: Without dead ends: 1163 [2020-10-19 22:30:57,173 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 22:30:57,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2020-10-19 22:30:57,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 1160. [2020-10-19 22:30:57,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1160 states. [2020-10-19 22:30:57,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1588 transitions. [2020-10-19 22:30:57,211 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1588 transitions. Word has length 136 [2020-10-19 22:30:57,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:30:57,213 INFO L481 AbstractCegarLoop]: Abstraction has 1160 states and 1588 transitions. [2020-10-19 22:30:57,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:30:57,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1588 transitions. [2020-10-19 22:30:57,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-19 22:30:57,220 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:57,220 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:30:57,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 22:30:57,220 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:57,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:57,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1417273765, now seen corresponding path program 1 times [2020-10-19 22:30:57,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:57,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462677353] [2020-10-19 22:30:57,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:57,550 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 22:30:57,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462677353] [2020-10-19 22:30:57,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011832954] [2020-10-19 22:30:57,551 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 22:30:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:57,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:30:57,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:30:57,736 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 22:30:57,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:30:57,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 22:30:57,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552383897] [2020-10-19 22:30:57,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:30:57,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:57,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:30:57,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:30:57,740 INFO L87 Difference]: Start difference. First operand 1160 states and 1588 transitions. Second operand 3 states. [2020-10-19 22:30:58,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:30:58,312 INFO L93 Difference]: Finished difference Result 3179 states and 4437 transitions. [2020-10-19 22:30:58,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:30:58,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2020-10-19 22:30:58,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:30:58,324 INFO L225 Difference]: With dead ends: 3179 [2020-10-19 22:30:58,324 INFO L226 Difference]: Without dead ends: 2021 [2020-10-19 22:30:58,327 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 139 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 22:30:58,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2021 states. [2020-10-19 22:30:58,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2021 to 1734. [2020-10-19 22:30:58,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1734 states. [2020-10-19 22:30:58,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2363 transitions. [2020-10-19 22:30:58,371 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2363 transitions. Word has length 140 [2020-10-19 22:30:58,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:30:58,372 INFO L481 AbstractCegarLoop]: Abstraction has 1734 states and 2363 transitions. [2020-10-19 22:30:58,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:30:58,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2363 transitions. [2020-10-19 22:30:58,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-19 22:30:58,377 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:58,378 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:30:58,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:30:58,592 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:58,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:58,592 INFO L82 PathProgramCache]: Analyzing trace with hash -90504209, now seen corresponding path program 1 times [2020-10-19 22:30:58,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:58,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772806956] [2020-10-19 22:30:58,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:58,736 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-19 22:30:58,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772806956] [2020-10-19 22:30:58,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:30:58,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:30:58,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568212758] [2020-10-19 22:30:58,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:30:58,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:58,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:30:58,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:30:58,746 INFO L87 Difference]: Start difference. First operand 1734 states and 2363 transitions. Second operand 3 states. [2020-10-19 22:30:59,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:30:59,390 INFO L93 Difference]: Finished difference Result 4445 states and 6034 transitions. [2020-10-19 22:30:59,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:30:59,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2020-10-19 22:30:59,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:30:59,407 INFO L225 Difference]: With dead ends: 4445 [2020-10-19 22:30:59,407 INFO L226 Difference]: Without dead ends: 2713 [2020-10-19 22:30:59,412 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:30:59,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2713 states. [2020-10-19 22:30:59,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2713 to 2713. [2020-10-19 22:30:59,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2713 states. [2020-10-19 22:30:59,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2713 states to 2713 states and 3432 transitions. [2020-10-19 22:30:59,473 INFO L78 Accepts]: Start accepts. Automaton has 2713 states and 3432 transitions. Word has length 144 [2020-10-19 22:30:59,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:30:59,477 INFO L481 AbstractCegarLoop]: Abstraction has 2713 states and 3432 transitions. [2020-10-19 22:30:59,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:30:59,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2713 states and 3432 transitions. [2020-10-19 22:30:59,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-19 22:30:59,484 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:59,484 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:30:59,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 22:30:59,485 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:59,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:59,486 INFO L82 PathProgramCache]: Analyzing trace with hash 431584534, now seen corresponding path program 1 times [2020-10-19 22:30:59,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:59,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13906191] [2020-10-19 22:30:59,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:59,611 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 22:30:59,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13906191] [2020-10-19 22:30:59,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:30:59,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:30:59,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309695961] [2020-10-19 22:30:59,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:30:59,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:59,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:30:59,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:30:59,615 INFO L87 Difference]: Start difference. First operand 2713 states and 3432 transitions. Second operand 3 states. [2020-10-19 22:31:00,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:00,265 INFO L93 Difference]: Finished difference Result 6406 states and 8134 transitions. [2020-10-19 22:31:00,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:00,266 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2020-10-19 22:31:00,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:00,281 INFO L225 Difference]: With dead ends: 6406 [2020-10-19 22:31:00,281 INFO L226 Difference]: Without dead ends: 3131 [2020-10-19 22:31:00,286 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 22:31:00,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3131 states. [2020-10-19 22:31:00,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3131 to 2991. [2020-10-19 22:31:00,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2991 states. [2020-10-19 22:31:00,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2991 states to 2991 states and 3394 transitions. [2020-10-19 22:31:00,367 INFO L78 Accepts]: Start accepts. Automaton has 2991 states and 3394 transitions. Word has length 166 [2020-10-19 22:31:00,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:00,368 INFO L481 AbstractCegarLoop]: Abstraction has 2991 states and 3394 transitions. [2020-10-19 22:31:00,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:00,368 INFO L276 IsEmpty]: Start isEmpty. Operand 2991 states and 3394 transitions. [2020-10-19 22:31:00,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-19 22:31:00,375 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:00,375 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:00,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 22:31:00,376 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:00,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:00,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1764179109, now seen corresponding path program 1 times [2020-10-19 22:31:00,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:00,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571825474] [2020-10-19 22:31:00,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:00,492 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 64 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-19 22:31:00,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571825474] [2020-10-19 22:31:00,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51120937] [2020-10-19 22:31:00,494 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 22:31:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:00,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:31:00,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:31:00,674 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-19 22:31:00,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:31:00,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 22:31:00,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239303606] [2020-10-19 22:31:00,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:00,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:00,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:00,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:31:00,677 INFO L87 Difference]: Start difference. First operand 2991 states and 3394 transitions. Second operand 3 states. [2020-10-19 22:31:01,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:01,259 INFO L93 Difference]: Finished difference Result 6685 states and 7660 transitions. [2020-10-19 22:31:01,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:01,260 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2020-10-19 22:31:01,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:01,278 INFO L225 Difference]: With dead ends: 6685 [2020-10-19 22:31:01,279 INFO L226 Difference]: Without dead ends: 3696 [2020-10-19 22:31:01,283 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:31:01,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3696 states. [2020-10-19 22:31:01,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3696 to 3412. [2020-10-19 22:31:01,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3412 states. [2020-10-19 22:31:01,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3412 states to 3412 states and 3818 transitions. [2020-10-19 22:31:01,584 INFO L78 Accepts]: Start accepts. Automaton has 3412 states and 3818 transitions. Word has length 172 [2020-10-19 22:31:01,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:01,585 INFO L481 AbstractCegarLoop]: Abstraction has 3412 states and 3818 transitions. [2020-10-19 22:31:01,585 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:01,585 INFO L276 IsEmpty]: Start isEmpty. Operand 3412 states and 3818 transitions. [2020-10-19 22:31:01,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-19 22:31:01,593 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:01,593 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:01,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:31:01,806 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:01,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:01,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1561562145, now seen corresponding path program 1 times [2020-10-19 22:31:01,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:01,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940083649] [2020-10-19 22:31:01,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:01,953 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 87 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-10-19 22:31:01,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940083649] [2020-10-19 22:31:01,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650972287] [2020-10-19 22:31:01,955 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 22:31:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:02,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:31:02,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:31:02,146 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-10-19 22:31:02,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:31:02,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 22:31:02,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765907482] [2020-10-19 22:31:02,148 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:02,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:02,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:02,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:31:02,149 INFO L87 Difference]: Start difference. First operand 3412 states and 3818 transitions. Second operand 3 states. [2020-10-19 22:31:02,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:02,921 INFO L93 Difference]: Finished difference Result 6680 states and 7488 transitions. [2020-10-19 22:31:02,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:02,922 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-10-19 22:31:02,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:02,941 INFO L225 Difference]: With dead ends: 6680 [2020-10-19 22:31:02,941 INFO L226 Difference]: Without dead ends: 3270 [2020-10-19 22:31:02,947 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:31:02,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3270 states. [2020-10-19 22:31:02,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3270 to 2850. [2020-10-19 22:31:02,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2850 states. [2020-10-19 22:31:03,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2850 states to 2850 states and 3093 transitions. [2020-10-19 22:31:03,003 INFO L78 Accepts]: Start accepts. Automaton has 2850 states and 3093 transitions. Word has length 189 [2020-10-19 22:31:03,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:03,003 INFO L481 AbstractCegarLoop]: Abstraction has 2850 states and 3093 transitions. [2020-10-19 22:31:03,004 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:03,004 INFO L276 IsEmpty]: Start isEmpty. Operand 2850 states and 3093 transitions. [2020-10-19 22:31:03,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-19 22:31:03,013 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:03,013 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:03,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:31:03,226 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:03,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:03,227 INFO L82 PathProgramCache]: Analyzing trace with hash 743696707, now seen corresponding path program 1 times [2020-10-19 22:31:03,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:03,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165700941] [2020-10-19 22:31:03,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:03,422 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-19 22:31:03,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165700941] [2020-10-19 22:31:03,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:03,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:31:03,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358686623] [2020-10-19 22:31:03,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:03,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:03,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:03,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:03,425 INFO L87 Difference]: Start difference. First operand 2850 states and 3093 transitions. Second operand 3 states. [2020-10-19 22:31:04,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:04,088 INFO L93 Difference]: Finished difference Result 6254 states and 6832 transitions. [2020-10-19 22:31:04,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:04,089 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 223 [2020-10-19 22:31:04,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:04,106 INFO L225 Difference]: With dead ends: 6254 [2020-10-19 22:31:04,106 INFO L226 Difference]: Without dead ends: 3406 [2020-10-19 22:31:04,112 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 22:31:04,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3406 states. [2020-10-19 22:31:04,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3406 to 2984. [2020-10-19 22:31:04,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2984 states. [2020-10-19 22:31:04,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 2984 states and 3237 transitions. [2020-10-19 22:31:04,190 INFO L78 Accepts]: Start accepts. Automaton has 2984 states and 3237 transitions. Word has length 223 [2020-10-19 22:31:04,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:04,191 INFO L481 AbstractCegarLoop]: Abstraction has 2984 states and 3237 transitions. [2020-10-19 22:31:04,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:04,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2984 states and 3237 transitions. [2020-10-19 22:31:04,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-10-19 22:31:04,203 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:04,204 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 22:31:04,204 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 22:31:04,205 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:04,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:04,206 INFO L82 PathProgramCache]: Analyzing trace with hash -493732960, now seen corresponding path program 1 times [2020-10-19 22:31:04,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:04,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8425167] [2020-10-19 22:31:04,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:04,422 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-19 22:31:04,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8425167] [2020-10-19 22:31:04,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:04,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:31:04,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085478313] [2020-10-19 22:31:04,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:04,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:04,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:04,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:04,426 INFO L87 Difference]: Start difference. First operand 2984 states and 3237 transitions. Second operand 3 states. [2020-10-19 22:31:04,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:04,872 INFO L93 Difference]: Finished difference Result 5673 states and 6141 transitions. [2020-10-19 22:31:04,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:04,873 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 266 [2020-10-19 22:31:04,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:04,874 INFO L225 Difference]: With dead ends: 5673 [2020-10-19 22:31:04,874 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 22:31:04,883 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 22:31:04,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 22:31:04,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 22:31:04,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 22:31:04,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 22:31:04,885 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 266 [2020-10-19 22:31:04,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:04,885 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 22:31:04,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:04,886 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 22:31:04,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 22:31:04,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-19 22:31:04,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 22:31:05,180 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2020-10-19 22:31:05,327 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2020-10-19 22:31:05,332 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-19 22:31:05,332 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-19 22:31:05,332 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-19 22:31:05,332 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-19 22:31:05,333 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-19 22:31:05,333 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-19 22:31:05,333 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-19 22:31:05,333 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,333 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,333 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,333 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-19 22:31:05,333 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-19 22:31:05,333 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-19 22:31:05,334 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-19 22:31:05,334 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-19 22:31:05,334 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-19 22:31:05,334 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-19 22:31:05,334 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,334 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,334 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,334 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-19 22:31:05,334 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-19 22:31:05,334 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-19 22:31:05,335 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-19 22:31:05,335 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-19 22:31:05,335 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-19 22:31:05,335 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-19 22:31:05,335 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,335 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,335 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,335 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-19 22:31:05,335 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-19 22:31:05,335 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-19 22:31:05,336 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-19 22:31:05,336 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-19 22:31:05,336 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,336 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,336 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,336 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-19 22:31:05,336 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-19 22:31:05,336 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-19 22:31:05,336 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-19 22:31:05,336 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-19 22:31:05,337 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-19 22:31:05,337 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-19 22:31:05,337 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-19 22:31:05,337 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,337 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,338 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,338 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-19 22:31:05,338 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-19 22:31:05,338 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-19 22:31:05,338 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-19 22:31:05,339 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-19 22:31:05,339 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-19 22:31:05,339 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-19 22:31:05,339 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-19 22:31:05,339 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,340 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,340 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,340 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-19 22:31:05,340 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-19 22:31:05,340 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-19 22:31:05,340 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-19 22:31:05,341 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-19 22:31:05,341 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-19 22:31:05,341 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-19 22:31:05,341 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-19 22:31:05,341 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-19 22:31:05,341 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,342 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,342 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,342 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-19 22:31:05,342 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-19 22:31:05,342 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-19 22:31:05,343 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-19 22:31:05,343 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-19 22:31:05,343 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-19 22:31:05,343 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 22:31:05,343 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,343 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,343 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,344 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-19 22:31:05,344 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-19 22:31:05,344 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-19 22:31:05,344 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-19 22:31:05,344 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-19 22:31:05,344 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-19 22:31:05,345 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-19 22:31:05,345 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-19 22:31:05,345 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,345 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,345 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,346 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-19 22:31:05,346 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-19 22:31:05,346 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-19 22:31:05,346 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-19 22:31:05,346 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-19 22:31:05,346 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,347 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,347 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,347 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-19 22:31:05,347 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 22:31:05,347 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 22:31:05,347 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-19 22:31:05,348 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-19 22:31:05,348 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-19 22:31:05,348 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-19 22:31:05,348 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-19 22:31:05,348 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-19 22:31:05,348 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-19 22:31:05,349 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-19 22:31:05,349 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-19 22:31:05,349 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-19 22:31:05,349 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,349 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,349 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-19 22:31:05,349 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-19 22:31:05,350 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-19 22:31:05,350 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-19 22:31:05,350 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-19 22:31:05,350 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-19 22:31:05,350 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-19 22:31:05,350 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-19 22:31:05,351 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-19 22:31:05,351 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 22:31:05,351 INFO L270 CegarLoopResult]: At program point L599(lines 31 600) the Hoare annotation is: (let ((.cse2 (<= ~a28~0 10)) (.cse3 (<= 10 ~a28~0)) (.cse0 (= ~a19~0 1)) (.cse1 (<= ~a17~0 8))) (or (and (= ~a25~0 ~a11~0) .cse0 (<= ~a28~0 7) .cse1) (and (<= ~a19~0 0) .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse0 (= ~a11~0 0) .cse1) (and (<= 9 ~a28~0) .cse0 .cse1 (<= ~a25~0 0)) (and .cse0 .cse3 .cse1) (and .cse0 (<= 8 ~a17~0) .cse1))) [2020-10-19 22:31:05,352 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,352 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,352 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-19 22:31:05,352 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-19 22:31:05,352 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-19 22:31:05,353 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-19 22:31:05,353 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-19 22:31:05,353 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-19 22:31:05,353 INFO L277 CegarLoopResult]: At program point L602(lines 602 619) the Hoare annotation is: true [2020-10-19 22:31:05,353 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,353 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,354 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-19 22:31:05,354 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-19 22:31:05,354 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-19 22:31:05,354 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-19 22:31:05,354 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-19 22:31:05,354 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-19 22:31:05,355 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-19 22:31:05,355 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-19 22:31:05,355 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-19 22:31:05,355 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,355 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,355 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-19 22:31:05,356 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-19 22:31:05,356 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-19 22:31:05,356 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-19 22:31:05,356 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-19 22:31:05,356 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-19 22:31:05,357 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse2 (<= ~a28~0 10)) (.cse3 (<= 10 ~a28~0)) (.cse0 (= ~a19~0 1)) (.cse1 (<= ~a17~0 8))) (or (and (= ~a25~0 ~a11~0) .cse0 (<= ~a28~0 7) .cse1) (and (<= ~a19~0 0) .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse0 (= ~a11~0 0) .cse1) (and (<= 9 ~a28~0) .cse0 .cse1 (<= ~a25~0 0)) (and .cse0 .cse3 .cse1) (and .cse0 (<= 8 ~a17~0) .cse1))) [2020-10-19 22:31:05,357 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,357 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,357 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-19 22:31:05,357 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-19 22:31:05,357 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-19 22:31:05,358 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-19 22:31:05,358 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-19 22:31:05,358 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,358 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,358 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-19 22:31:05,358 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-19 22:31:05,359 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-19 22:31:05,359 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-19 22:31:05,359 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-19 22:31:05,359 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-19 22:31:05,359 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-19 22:31:05,359 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-19 22:31:05,359 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-19 22:31:05,360 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,360 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,360 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-19 22:31:05,360 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,360 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 22:31:05,360 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-19 22:31:05,361 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-19 22:31:05,361 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-19 22:31:05,361 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-19 22:31:05,361 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-19 22:31:05,361 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-19 22:31:05,361 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,361 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,362 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,362 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-19 22:31:05,362 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-19 22:31:05,362 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-19 22:31:05,362 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-19 22:31:05,362 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-19 22:31:05,363 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,363 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,363 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,363 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-19 22:31:05,363 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-19 22:31:05,363 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-19 22:31:05,363 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-19 22:31:05,364 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-19 22:31:05,364 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-19 22:31:05,364 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 22:31:05,364 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,364 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,364 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,365 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-19 22:31:05,365 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-19 22:31:05,365 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-19 22:31:05,365 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-19 22:31:05,365 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-19 22:31:05,365 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-19 22:31:05,365 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-19 22:31:05,366 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-19 22:31:05,366 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,366 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,366 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,366 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-19 22:31:05,366 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-19 22:31:05,367 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-19 22:31:05,367 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-19 22:31:05,367 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-19 22:31:05,367 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,367 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,367 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:05,368 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-19 22:31:05,368 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-19 22:31:05,368 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-19 22:31:05,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:31:05 BoogieIcfgContainer [2020-10-19 22:31:05,399 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:31:05,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:31:05,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:31:05,400 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:31:05,400 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:30:52" (3/4) ... [2020-10-19 22:31:05,404 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 22:31:05,437 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 22:31:05,438 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 22:31:05,439 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:31:05,440 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:31:05,655 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 22:31:05,655 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:31:05,657 INFO L168 Benchmark]: Toolchain (without parser) took 15724.11 ms. Allocated memory was 41.9 MB in the beginning and 191.9 MB in the end (delta: 149.9 MB). Free memory was 21.1 MB in the beginning and 76.8 MB in the end (delta: -55.7 MB). Peak memory consumption was 94.2 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:05,657 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 32.0 MB. Free memory was 11.0 MB in the beginning and 10.9 MB in the end (delta: 45.5 kB). Peak memory consumption was 45.5 kB. Max. memory is 14.3 GB. [2020-10-19 22:31:05,658 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.12 ms. Allocated memory was 41.9 MB in the beginning and 44.6 MB in the end (delta: 2.6 MB). Free memory was 20.2 MB in the beginning and 21.6 MB in the end (delta: -1.4 MB). Peak memory consumption was 10.9 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:05,658 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.19 ms. Allocated memory is still 44.6 MB. Free memory was 21.4 MB in the beginning and 15.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:05,659 INFO L168 Benchmark]: Boogie Preprocessor took 110.96 ms. Allocated memory is still 44.6 MB. Free memory was 15.7 MB in the beginning and 11.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:05,659 INFO L168 Benchmark]: RCFGBuilder took 1447.08 ms. Allocated memory was 44.6 MB in the beginning and 56.1 MB in the end (delta: 11.5 MB). Free memory was 11.0 MB in the beginning and 30.0 MB in the end (delta: -18.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:05,660 INFO L168 Benchmark]: TraceAbstraction took 13100.23 ms. Allocated memory was 56.1 MB in the beginning and 191.9 MB in the end (delta: 135.8 MB). Free memory was 29.5 MB in the beginning and 95.4 MB in the end (delta: -65.9 MB). Peak memory consumption was 139.3 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:05,660 INFO L168 Benchmark]: Witness Printer took 255.98 ms. Allocated memory is still 191.9 MB. Free memory was 95.4 MB in the beginning and 76.8 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:05,663 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 32.0 MB. Free memory was 11.0 MB in the beginning and 10.9 MB in the end (delta: 45.5 kB). Peak memory consumption was 45.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 701.12 ms. Allocated memory was 41.9 MB in the beginning and 44.6 MB in the end (delta: 2.6 MB). Free memory was 20.2 MB in the beginning and 21.6 MB in the end (delta: -1.4 MB). Peak memory consumption was 10.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 95.19 ms. Allocated memory is still 44.6 MB. Free memory was 21.4 MB in the beginning and 15.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 110.96 ms. Allocated memory is still 44.6 MB. Free memory was 15.7 MB in the beginning and 11.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1447.08 ms. Allocated memory was 44.6 MB in the beginning and 56.1 MB in the end (delta: 11.5 MB). Free memory was 11.0 MB in the beginning and 30.0 MB in the end (delta: -18.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 14.3 GB. * TraceAbstraction took 13100.23 ms. Allocated memory was 56.1 MB in the beginning and 191.9 MB in the end (delta: 135.8 MB). Free memory was 29.5 MB in the beginning and 95.4 MB in the end (delta: -65.9 MB). Peak memory consumption was 139.3 MB. Max. memory is 14.3 GB. * Witness Printer took 255.98 ms. Allocated memory is still 191.9 MB. Free memory was 95.4 MB in the beginning and 76.8 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((((((a25 == a11 && a19 == 1) && a28 <= 7) && a17 <= 8) || ((a19 <= 0 && a17 <= 8) && a28 <= 10)) || ((a19 == 1 && 10 <= a28) && a28 <= 10)) || ((a19 == 1 && a11 == 0) && a17 <= 8)) || (((9 <= a28 && a19 == 1) && a17 <= 8) && a25 <= 0)) || ((a19 == 1 && 10 <= a28) && a17 <= 8)) || ((a19 == 1 && 8 <= a17) && a17 <= 8) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: ((((((((a25 == a11 && a19 == 1) && a28 <= 7) && a17 <= 8) || ((a19 <= 0 && a17 <= 8) && a28 <= 10)) || ((a19 == 1 && 10 <= a28) && a28 <= 10)) || ((a19 == 1 && a11 == 0) && a17 <= 8)) || (((9 <= a28 && a19 == 1) && a17 <= 8) && a25 <= 0)) || ((a19 == 1 && 10 <= a28) && a17 <= 8)) || ((a19 == 1 && 8 <= a17) && a17 <= 8) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.5s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 7.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1191 SDtfs, 1211 SDslu, 162 SDs, 0 SdLazy, 3875 SolverSat, 739 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 651 GetRequests, 629 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3412occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 1839 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 51 NumberOfFragments, 155 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1150 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 88 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2411 NumberOfCodeBlocks, 2411 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2396 ConstructedInterpolants, 0 QuantifiedInterpolants, 1119086 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1259 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 1111/1146 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...