./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label08.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/Problem10_label08.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 2e14fd8c33f829f202fb67f490ce9341a2d85b7e ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:09:19,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 23:09:19,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 23:09:19,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 23:09:19,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 23:09:19,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 23:09:19,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 23:09:19,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 23:09:19,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 23:09:19,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 23:09:19,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 23:09:19,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 23:09:19,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 23:09:19,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 23:09:19,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 23:09:19,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 23:09:19,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 23:09:19,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 23:09:19,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 23:09:19,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 23:09:19,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 23:09:19,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 23:09:19,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 23:09:19,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 23:09:19,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 23:09:19,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 23:09:19,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 23:09:19,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 23:09:19,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 23:09:19,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 23:09:19,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 23:09:19,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 23:09:19,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 23:09:19,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 23:09:19,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 23:09:19,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 23:09:19,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 23:09:19,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 23:09:19,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 23:09:19,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 23:09:19,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 23:09:19,684 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 23:09:19,725 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 23:09:19,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 23:09:19,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 23:09:19,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 23:09:19,729 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 23:09:19,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 23:09:19,730 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 23:09:19,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 23:09:19,730 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 23:09:19,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 23:09:19,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 23:09:19,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 23:09:19,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 23:09:19,732 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 23:09:19,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 23:09:19,733 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 23:09:19,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 23:09:19,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 23:09:19,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 23:09:19,734 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 23:09:19,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 23:09:19,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:09:19,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 23:09:19,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 23:09:19,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 23:09:19,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 23:09:19,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 23:09:19,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 23:09:19,736 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 23:09:19,736 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 -> 2e14fd8c33f829f202fb67f490ce9341a2d85b7e [2020-10-19 23:09:19,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 23:09:19,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 23:09:19,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 23:09:19,975 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 23:09:19,976 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 23:09:19,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label08.c [2020-10-19 23:09:20,042 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f1e3e3a9/a0ba77fae9e54fe2b23981a9416934e5/FLAG1a7bcd2fd [2020-10-19 23:09:20,776 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 23:09:20,776 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label08.c [2020-10-19 23:09:20,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f1e3e3a9/a0ba77fae9e54fe2b23981a9416934e5/FLAG1a7bcd2fd [2020-10-19 23:09:20,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f1e3e3a9/a0ba77fae9e54fe2b23981a9416934e5 [2020-10-19 23:09:20,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 23:09:21,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 23:09:21,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 23:09:21,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 23:09:21,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 23:09:21,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:09:20" (1/1) ... [2020-10-19 23:09:21,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c72c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:21, skipping insertion in model container [2020-10-19 23:09:21,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:09:20" (1/1) ... [2020-10-19 23:09:21,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 23:09:21,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 23:09:21,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:09:21,575 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 23:09:21,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:09:21,751 INFO L208 MainTranslator]: Completed translation [2020-10-19 23:09:21,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:21 WrapperNode [2020-10-19 23:09:21,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 23:09:21,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 23:09:21,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 23:09:21,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 23:09:21,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:21" (1/1) ... [2020-10-19 23:09:21,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:21" (1/1) ... [2020-10-19 23:09:21,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 23:09:21,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 23:09:21,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 23:09:21,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 23:09:21,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:21" (1/1) ... [2020-10-19 23:09:21,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:21" (1/1) ... [2020-10-19 23:09:21,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:21" (1/1) ... [2020-10-19 23:09:21,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:21" (1/1) ... [2020-10-19 23:09:21,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:21" (1/1) ... [2020-10-19 23:09:21,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:21" (1/1) ... [2020-10-19 23:09:21,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:21" (1/1) ... [2020-10-19 23:09:21,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 23:09:21,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 23:09:21,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 23:09:21,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 23:09:21,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:21" (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 23:09:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 23:09:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 23:09:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 23:09:22,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 23:09:23,446 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 23:09:23,447 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 23:09:23,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:09:23 BoogieIcfgContainer [2020-10-19 23:09:23,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 23:09:23,450 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 23:09:23,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 23:09:23,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 23:09:23,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 11:09:20" (1/3) ... [2020-10-19 23:09:23,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3759693f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:09:23, skipping insertion in model container [2020-10-19 23:09:23,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:21" (2/3) ... [2020-10-19 23:09:23,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3759693f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:09:23, skipping insertion in model container [2020-10-19 23:09:23,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:09:23" (3/3) ... [2020-10-19 23:09:23,457 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label08.c [2020-10-19 23:09:23,468 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 23:09:23,476 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 23:09:23,490 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 23:09:23,518 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 23:09:23,518 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 23:09:23,518 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 23:09:23,519 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 23:09:23,519 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 23:09:23,519 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 23:09:23,519 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 23:09:23,519 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 23:09:23,541 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-19 23:09:23,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-19 23:09:23,549 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:09:23,550 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] [2020-10-19 23:09:23,551 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:09:23,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:09:23,558 INFO L82 PathProgramCache]: Analyzing trace with hash 2102454322, now seen corresponding path program 1 times [2020-10-19 23:09:23,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:09:23,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646785154] [2020-10-19 23:09:23,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:09:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:09:23,884 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 23:09:23,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646785154] [2020-10-19 23:09:23,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:09:23,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:09:23,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567425075] [2020-10-19 23:09:23,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:09:23,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:09:23,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:09:23,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:09:23,914 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-10-19 23:09:25,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:09:25,187 INFO L93 Difference]: Finished difference Result 553 states and 967 transitions. [2020-10-19 23:09:25,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:09:25,189 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-10-19 23:09:25,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:09:25,206 INFO L225 Difference]: With dead ends: 553 [2020-10-19 23:09:25,206 INFO L226 Difference]: Without dead ends: 282 [2020-10-19 23:09:25,211 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 23:09:25,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-10-19 23:09:25,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-10-19 23:09:25,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-10-19 23:09:25,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2020-10-19 23:09:25,289 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 40 [2020-10-19 23:09:25,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:09:25,289 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2020-10-19 23:09:25,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:09:25,290 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2020-10-19 23:09:25,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-19 23:09:25,294 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:09:25,295 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:09:25,295 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 23:09:25,296 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:09:25,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:09:25,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1524090973, now seen corresponding path program 1 times [2020-10-19 23:09:25,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:09:25,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234591053] [2020-10-19 23:09:25,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:09:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:09:25,474 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:09:25,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234591053] [2020-10-19 23:09:25,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:09:25,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:09:25,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459562877] [2020-10-19 23:09:25,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:09:25,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:09:25,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:09:25,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:09:25,478 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 3 states. [2020-10-19 23:09:26,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:09:26,185 INFO L93 Difference]: Finished difference Result 701 states and 1076 transitions. [2020-10-19 23:09:26,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:09:26,186 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-10-19 23:09:26,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:09:26,193 INFO L225 Difference]: With dead ends: 701 [2020-10-19 23:09:26,193 INFO L226 Difference]: Without dead ends: 421 [2020-10-19 23:09:26,195 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 23:09:26,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-10-19 23:09:26,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-10-19 23:09:26,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-10-19 23:09:26,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 596 transitions. [2020-10-19 23:09:26,218 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 596 transitions. Word has length 109 [2020-10-19 23:09:26,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:09:26,218 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 596 transitions. [2020-10-19 23:09:26,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:09:26,219 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 596 transitions. [2020-10-19 23:09:26,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-19 23:09:26,223 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:09:26,224 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:09:26,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 23:09:26,224 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:09:26,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:09:26,225 INFO L82 PathProgramCache]: Analyzing trace with hash 2061521422, now seen corresponding path program 1 times [2020-10-19 23:09:26,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:09:26,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959036840] [2020-10-19 23:09:26,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:09:26,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:09:26,364 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:09:26,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959036840] [2020-10-19 23:09:26,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:09:26,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:09:26,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929290655] [2020-10-19 23:09:26,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:09:26,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:09:26,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:09:26,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:09:26,367 INFO L87 Difference]: Start difference. First operand 421 states and 596 transitions. Second operand 3 states. [2020-10-19 23:09:27,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:09:27,032 INFO L93 Difference]: Finished difference Result 562 states and 787 transitions. [2020-10-19 23:09:27,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:09:27,033 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-10-19 23:09:27,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:09:27,044 INFO L225 Difference]: With dead ends: 562 [2020-10-19 23:09:27,044 INFO L226 Difference]: Without dead ends: 560 [2020-10-19 23:09:27,044 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 23:09:27,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-10-19 23:09:27,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 421. [2020-10-19 23:09:27,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-10-19 23:09:27,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 596 transitions. [2020-10-19 23:09:27,074 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 596 transitions. Word has length 115 [2020-10-19 23:09:27,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:09:27,075 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 596 transitions. [2020-10-19 23:09:27,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:09:27,075 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 596 transitions. [2020-10-19 23:09:27,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-19 23:09:27,083 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:09:27,084 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:09:27,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 23:09:27,086 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:09:27,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:09:27,087 INFO L82 PathProgramCache]: Analyzing trace with hash -532965216, now seen corresponding path program 1 times [2020-10-19 23:09:27,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:09:27,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797403817] [2020-10-19 23:09:27,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:09:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:09:27,345 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:09:27,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797403817] [2020-10-19 23:09:27,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:09:27,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:09:27,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115895718] [2020-10-19 23:09:27,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:09:27,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:09:27,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:09:27,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:09:27,347 INFO L87 Difference]: Start difference. First operand 421 states and 596 transitions. Second operand 4 states. [2020-10-19 23:09:28,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:09:28,171 INFO L93 Difference]: Finished difference Result 990 states and 1390 transitions. [2020-10-19 23:09:28,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 23:09:28,175 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 118 [2020-10-19 23:09:28,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:09:28,178 INFO L225 Difference]: With dead ends: 990 [2020-10-19 23:09:28,178 INFO L226 Difference]: Without dead ends: 571 [2020-10-19 23:09:28,179 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:09:28,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2020-10-19 23:09:28,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 560. [2020-10-19 23:09:28,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-19 23:09:28,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 740 transitions. [2020-10-19 23:09:28,193 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 740 transitions. Word has length 118 [2020-10-19 23:09:28,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:09:28,193 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 740 transitions. [2020-10-19 23:09:28,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:09:28,194 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 740 transitions. [2020-10-19 23:09:28,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-19 23:09:28,197 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:09:28,197 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-19 23:09:28,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 23:09:28,198 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:09:28,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:09:28,198 INFO L82 PathProgramCache]: Analyzing trace with hash 993413868, now seen corresponding path program 1 times [2020-10-19 23:09:28,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:09:28,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928548358] [2020-10-19 23:09:28,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:09:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:09:28,425 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:09:28,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928548358] [2020-10-19 23:09:28,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:09:28,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:09:28,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968861602] [2020-10-19 23:09:28,428 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:09:28,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:09:28,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:09:28,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:09:28,430 INFO L87 Difference]: Start difference. First operand 560 states and 740 transitions. Second operand 3 states. [2020-10-19 23:09:29,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:09:29,221 INFO L93 Difference]: Finished difference Result 1257 states and 1713 transitions. [2020-10-19 23:09:29,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:09:29,222 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2020-10-19 23:09:29,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:09:29,227 INFO L225 Difference]: With dead ends: 1257 [2020-10-19 23:09:29,227 INFO L226 Difference]: Without dead ends: 838 [2020-10-19 23:09:29,229 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 23:09:29,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-10-19 23:09:29,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2020-10-19 23:09:29,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-10-19 23:09:29,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1039 transitions. [2020-10-19 23:09:29,248 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1039 transitions. Word has length 184 [2020-10-19 23:09:29,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:09:29,248 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1039 transitions. [2020-10-19 23:09:29,248 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:09:29,249 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1039 transitions. [2020-10-19 23:09:29,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-19 23:09:29,251 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:09:29,252 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-19 23:09:29,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 23:09:29,252 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:09:29,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:09:29,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1803137404, now seen corresponding path program 1 times [2020-10-19 23:09:29,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:09:29,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297538802] [2020-10-19 23:09:29,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:09:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:09:29,535 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:09:29,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297538802] [2020-10-19 23:09:29,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:09:29,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-19 23:09:29,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978608922] [2020-10-19 23:09:29,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 23:09:29,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:09:29,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 23:09:29,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:09:29,538 INFO L87 Difference]: Start difference. First operand 838 states and 1039 transitions. Second operand 7 states. [2020-10-19 23:09:30,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:09:30,121 INFO L93 Difference]: Finished difference Result 1590 states and 1987 transitions. [2020-10-19 23:09:30,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-19 23:09:30,122 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 193 [2020-10-19 23:09:30,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:09:30,127 INFO L225 Difference]: With dead ends: 1590 [2020-10-19 23:09:30,127 INFO L226 Difference]: Without dead ends: 838 [2020-10-19 23:09:30,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:09:30,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-10-19 23:09:30,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2020-10-19 23:09:30,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-10-19 23:09:30,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1035 transitions. [2020-10-19 23:09:30,150 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1035 transitions. Word has length 193 [2020-10-19 23:09:30,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:09:30,159 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1035 transitions. [2020-10-19 23:09:30,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 23:09:30,159 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1035 transitions. [2020-10-19 23:09:30,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-10-19 23:09:30,163 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:09:30,163 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-19 23:09:30,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 23:09:30,164 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:09:30,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:09:30,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1363633442, now seen corresponding path program 1 times [2020-10-19 23:09:30,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:09:30,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532348189] [2020-10-19 23:09:30,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:09:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:09:30,370 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:09:30,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532348189] [2020-10-19 23:09:30,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:09:30,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:09:30,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275079351] [2020-10-19 23:09:30,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:09:30,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:09:30,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:09:30,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:09:30,376 INFO L87 Difference]: Start difference. First operand 838 states and 1035 transitions. Second operand 3 states. [2020-10-19 23:09:31,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:09:31,048 INFO L93 Difference]: Finished difference Result 1952 states and 2515 transitions. [2020-10-19 23:09:31,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:09:31,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229 [2020-10-19 23:09:31,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:09:31,056 INFO L225 Difference]: With dead ends: 1952 [2020-10-19 23:09:31,057 INFO L226 Difference]: Without dead ends: 1255 [2020-10-19 23:09:31,059 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 23:09:31,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-10-19 23:09:31,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1116. [2020-10-19 23:09:31,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-10-19 23:09:31,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1363 transitions. [2020-10-19 23:09:31,090 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1363 transitions. Word has length 229 [2020-10-19 23:09:31,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:09:31,091 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1363 transitions. [2020-10-19 23:09:31,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:09:31,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1363 transitions. [2020-10-19 23:09:31,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-10-19 23:09:31,097 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:09:31,098 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 23:09:31,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 23:09:31,099 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:09:31,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:09:31,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1513176356, now seen corresponding path program 1 times [2020-10-19 23:09:31,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:09:31,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156001974] [2020-10-19 23:09:31,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:09:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:09:31,305 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-10-19 23:09:31,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156001974] [2020-10-19 23:09:31,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:09:31,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:09:31,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723866333] [2020-10-19 23:09:31,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:09:31,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:09:31,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:09:31,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:09:31,307 INFO L87 Difference]: Start difference. First operand 1116 states and 1363 transitions. Second operand 3 states. [2020-10-19 23:09:31,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:09:31,925 INFO L93 Difference]: Finished difference Result 2369 states and 2958 transitions. [2020-10-19 23:09:31,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:09:31,926 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 264 [2020-10-19 23:09:31,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:09:31,936 INFO L225 Difference]: With dead ends: 2369 [2020-10-19 23:09:31,937 INFO L226 Difference]: Without dead ends: 1394 [2020-10-19 23:09:31,939 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 23:09:31,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-10-19 23:09:31,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1255. [2020-10-19 23:09:31,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-10-19 23:09:31,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1456 transitions. [2020-10-19 23:09:31,981 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1456 transitions. Word has length 264 [2020-10-19 23:09:31,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:09:31,982 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1456 transitions. [2020-10-19 23:09:31,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:09:31,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1456 transitions. [2020-10-19 23:09:31,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-10-19 23:09:31,993 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:09:31,993 INFO L422 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 23:09:31,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 23:09:31,994 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:09:31,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:09:31,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1394803735, now seen corresponding path program 1 times [2020-10-19 23:09:31,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:09:31,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716055513] [2020-10-19 23:09:31,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:09:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:09:32,304 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2020-10-19 23:09:32,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716055513] [2020-10-19 23:09:32,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:09:32,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:09:32,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766373972] [2020-10-19 23:09:32,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:09:32,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:09:32,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:09:32,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:09:32,313 INFO L87 Difference]: Start difference. First operand 1255 states and 1456 transitions. Second operand 3 states. [2020-10-19 23:09:32,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:09:32,945 INFO L93 Difference]: Finished difference Result 1396 states and 1605 transitions. [2020-10-19 23:09:32,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:09:32,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 318 [2020-10-19 23:09:32,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:09:32,953 INFO L225 Difference]: With dead ends: 1396 [2020-10-19 23:09:32,953 INFO L226 Difference]: Without dead ends: 1394 [2020-10-19 23:09:32,954 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 23:09:32,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-10-19 23:09:32,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1116. [2020-10-19 23:09:32,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-10-19 23:09:32,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1306 transitions. [2020-10-19 23:09:32,983 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1306 transitions. Word has length 318 [2020-10-19 23:09:32,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:09:32,984 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1306 transitions. [2020-10-19 23:09:32,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:09:32,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1306 transitions. [2020-10-19 23:09:32,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2020-10-19 23:09:32,993 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:09:32,994 INFO L422 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:09:32,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-19 23:09:32,994 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:09:32,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:09:32,995 INFO L82 PathProgramCache]: Analyzing trace with hash -2085019797, now seen corresponding path program 1 times [2020-10-19 23:09:32,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:09:32,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407699886] [2020-10-19 23:09:32,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:09:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:09:33,217 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-10-19 23:09:33,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407699886] [2020-10-19 23:09:33,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:09:33,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:09:33,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128886258] [2020-10-19 23:09:33,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:09:33,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:09:33,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:09:33,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:09:33,222 INFO L87 Difference]: Start difference. First operand 1116 states and 1306 transitions. Second operand 3 states. [2020-10-19 23:09:33,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:09:33,874 INFO L93 Difference]: Finished difference Result 2369 states and 2844 transitions. [2020-10-19 23:09:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:09:33,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 339 [2020-10-19 23:09:33,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:09:33,883 INFO L225 Difference]: With dead ends: 2369 [2020-10-19 23:09:33,884 INFO L226 Difference]: Without dead ends: 1394 [2020-10-19 23:09:33,886 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 23:09:33,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-10-19 23:09:33,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1255. [2020-10-19 23:09:33,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-10-19 23:09:33,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1460 transitions. [2020-10-19 23:09:33,917 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1460 transitions. Word has length 339 [2020-10-19 23:09:33,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:09:33,919 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1460 transitions. [2020-10-19 23:09:33,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:09:33,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1460 transitions. [2020-10-19 23:09:33,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2020-10-19 23:09:33,933 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:09:33,933 INFO L422 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:09:33,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 23:09:33,934 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:09:33,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:09:33,935 INFO L82 PathProgramCache]: Analyzing trace with hash -169812654, now seen corresponding path program 1 times [2020-10-19 23:09:33,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:09:33,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579291045] [2020-10-19 23:09:33,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:09:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:09:34,644 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 313 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:09:34,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579291045] [2020-10-19 23:09:34,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247661701] [2020-10-19 23:09:34,645 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 23:09:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:09:34,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:09:34,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:09:35,050 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-19 23:09:35,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:09:35,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-19 23:09:35,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189940403] [2020-10-19 23:09:35,052 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:09:35,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:09:35,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:09:35,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:09:35,054 INFO L87 Difference]: Start difference. First operand 1255 states and 1460 transitions. Second operand 3 states. [2020-10-19 23:09:35,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:09:35,778 INFO L93 Difference]: Finished difference Result 3203 states and 3742 transitions. [2020-10-19 23:09:35,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:09:35,779 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 340 [2020-10-19 23:09:35,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:09:35,794 INFO L225 Difference]: With dead ends: 3203 [2020-10-19 23:09:35,794 INFO L226 Difference]: Without dead ends: 2089 [2020-10-19 23:09:35,797 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:09:35,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2020-10-19 23:09:35,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2020-10-19 23:09:35,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2020-10-19 23:09:35,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2369 transitions. [2020-10-19 23:09:35,862 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2369 transitions. Word has length 340 [2020-10-19 23:09:35,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:09:35,863 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2369 transitions. [2020-10-19 23:09:35,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:09:35,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2369 transitions. [2020-10-19 23:09:35,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2020-10-19 23:09:35,878 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:09:35,878 INFO L422 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:09:36,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-10-19 23:09:36,094 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:09:36,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:09:36,095 INFO L82 PathProgramCache]: Analyzing trace with hash -156511504, now seen corresponding path program 1 times [2020-10-19 23:09:36,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:09:36,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11465956] [2020-10-19 23:09:36,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:09:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:09:36,339 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-10-19 23:09:36,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11465956] [2020-10-19 23:09:36,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:09:36,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:09:36,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527712491] [2020-10-19 23:09:36,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:09:36,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:09:36,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:09:36,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:09:36,343 INFO L87 Difference]: Start difference. First operand 2089 states and 2369 transitions. Second operand 3 states. [2020-10-19 23:09:36,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:09:36,906 INFO L93 Difference]: Finished difference Result 4035 states and 4592 transitions. [2020-10-19 23:09:36,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:09:36,907 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 353 [2020-10-19 23:09:36,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:09:36,908 INFO L225 Difference]: With dead ends: 4035 [2020-10-19 23:09:36,908 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 23:09:36,912 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 23:09:36,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 23:09:36,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 23:09:36,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 23:09:36,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 23:09:36,913 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 353 [2020-10-19 23:09:36,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:09:36,914 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 23:09:36,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:09:36,914 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 23:09:36,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 23:09:36,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-19 23:09:36,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 23:09:37,098 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-10-19 23:09:37,231 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-10-19 23:09:37,236 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-19 23:09:37,236 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-19 23:09:37,237 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-19 23:09:37,237 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-19 23:09:37,237 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-19 23:09:37,237 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-19 23:09:37,238 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-19 23:09:37,238 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-19 23:09:37,238 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-19 23:09:37,238 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-19 23:09:37,238 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-19 23:09:37,239 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-19 23:09:37,239 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 23:09:37,239 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-19 23:09:37,239 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,240 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,240 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,240 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,240 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,240 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,241 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-19 23:09:37,241 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-19 23:09:37,241 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-19 23:09:37,241 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-19 23:09:37,241 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-19 23:09:37,242 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-19 23:09:37,242 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-19 23:09:37,242 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-19 23:09:37,242 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-19 23:09:37,242 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-19 23:09:37,242 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-19 23:09:37,243 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,243 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,243 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,243 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,243 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,244 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-19 23:09:37,244 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-19 23:09:37,244 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-19 23:09:37,244 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-19 23:09:37,244 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-19 23:09:37,245 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-19 23:09:37,245 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-19 23:09:37,245 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-19 23:09:37,245 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-19 23:09:37,246 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-19 23:09:37,246 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-19 23:09:37,246 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-19 23:09:37,246 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-19 23:09:37,247 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-19 23:09:37,247 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,247 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,247 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,248 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,248 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,248 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-19 23:09:37,248 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-19 23:09:37,249 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-19 23:09:37,249 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-19 23:09:37,249 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-19 23:09:37,249 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-19 23:09:37,250 INFO L270 CegarLoopResult]: At program point L575(lines 22 576) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse3 (<= 7 ~a19~0)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 .cse1 .cse2 (= ~a10~0 4)) (and .cse0 (= ~a10~0 2) .cse3 .cse1 .cse2) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and (= ~a10~0 1) .cse0 .cse3 .cse1) (and .cse0 (= ~a10~0 0) .cse1))) [2020-10-19 23:09:37,250 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-19 23:09:37,250 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-19 23:09:37,251 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-19 23:09:37,251 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-19 23:09:37,251 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,251 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,251 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,252 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,252 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,252 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-19 23:09:37,252 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-19 23:09:37,252 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-19 23:09:37,252 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-19 23:09:37,253 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-19 23:09:37,253 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-19 23:09:37,253 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-19 23:09:37,253 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-19 23:09:37,253 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-19 23:09:37,253 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-19 23:09:37,254 INFO L277 CegarLoopResult]: At program point L578(lines 578 594) the Hoare annotation is: true [2020-10-19 23:09:37,254 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-19 23:09:37,254 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-19 23:09:37,254 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-19 23:09:37,254 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,254 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,254 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,255 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,255 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,255 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-19 23:09:37,255 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-19 23:09:37,255 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-19 23:09:37,255 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-19 23:09:37,256 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-19 23:09:37,256 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-19 23:09:37,256 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-19 23:09:37,256 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-19 23:09:37,256 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 23:09:37,257 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-19 23:09:37,257 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,257 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,257 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,258 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,258 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,258 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-19 23:09:37,259 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-19 23:09:37,259 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-19 23:09:37,259 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-19 23:09:37,259 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-19 23:09:37,259 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-19 23:09:37,260 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-19 23:09:37,260 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-19 23:09:37,260 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-19 23:09:37,260 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-19 23:09:37,261 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-19 23:09:37,261 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-19 23:09:37,261 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse3 (<= 7 ~a19~0)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 .cse1 .cse2 (= ~a10~0 4)) (and .cse0 (= ~a10~0 2) .cse3 .cse1 .cse2) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and (= ~a10~0 1) .cse0 .cse3 .cse1) (and .cse0 (= ~a10~0 0) .cse1))) [2020-10-19 23:09:37,262 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-19 23:09:37,262 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,262 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,262 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,262 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,263 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-19 23:09:37,263 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,263 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,263 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-19 23:09:37,264 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-19 23:09:37,264 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-19 23:09:37,264 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-19 23:09:37,264 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-19 23:09:37,265 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-19 23:09:37,265 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-19 23:09:37,265 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-19 23:09:37,265 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-19 23:09:37,266 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-19 23:09:37,266 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-19 23:09:37,266 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 23:09:37,266 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-19 23:09:37,267 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-19 23:09:37,267 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,267 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,267 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,268 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,268 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,268 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,268 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-19 23:09:37,269 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-19 23:09:37,269 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-19 23:09:37,269 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-19 23:09:37,269 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-19 23:09:37,269 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-19 23:09:37,270 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-19 23:09:37,270 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-19 23:09:37,270 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-19 23:09:37,270 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-19 23:09:37,271 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-19 23:09:37,271 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-19 23:09:37,271 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 23:09:37,271 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-19 23:09:37,272 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-19 23:09:37,272 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-19 23:09:37,272 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,272 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,273 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,273 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,273 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,273 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,274 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-19 23:09:37,274 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-19 23:09:37,274 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-19 23:09:37,274 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-19 23:09:37,274 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-19 23:09:37,275 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-19 23:09:37,275 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-19 23:09:37,275 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-19 23:09:37,275 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-19 23:09:37,276 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-19 23:09:37,276 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-19 23:09:37,276 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-19 23:09:37,276 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-19 23:09:37,277 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,277 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,277 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,277 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,278 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,278 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 23:09:37,278 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,278 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 23:09:37,279 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-19 23:09:37,279 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-19 23:09:37,279 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-19 23:09:37,279 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-19 23:09:37,279 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-19 23:09:37,280 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-19 23:09:37,280 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-19 23:09:37,280 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-19 23:09:37,280 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-19 23:09:37,281 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-19 23:09:37,281 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-19 23:09:37,281 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-19 23:09:37,281 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,282 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,282 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,282 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,282 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,282 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:09:37,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 11:09:37 BoogieIcfgContainer [2020-10-19 23:09:37,310 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 23:09:37,311 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 23:09:37,311 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 23:09:37,311 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 23:09:37,312 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:09:23" (3/4) ... [2020-10-19 23:09:37,315 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 23:09:37,338 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 23:09:37,339 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 23:09:37,341 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:09:37,342 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:09:37,514 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 23:09:37,514 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 23:09:37,516 INFO L168 Benchmark]: Toolchain (without parser) took 16523.35 ms. Allocated memory was 41.4 MB in the beginning and 192.9 MB in the end (delta: 151.5 MB). Free memory was 19.0 MB in the beginning and 123.1 MB in the end (delta: -104.1 MB). Peak memory consumption was 47.4 MB. Max. memory is 14.3 GB. [2020-10-19 23:09:37,517 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 32.0 MB. Free memory was 9.3 MB in the beginning and 9.2 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. [2020-10-19 23:09:37,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.43 ms. Allocated memory was 41.4 MB in the beginning and 44.0 MB in the end (delta: 2.6 MB). Free memory was 18.1 MB in the beginning and 17.7 MB in the end (delta: 466.8 kB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. [2020-10-19 23:09:37,517 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.31 ms. Allocated memory is still 44.0 MB. Free memory was 17.4 MB in the beginning and 24.9 MB in the end (delta: -7.5 MB). Peak memory consumption was 10.1 MB. Max. memory is 14.3 GB. [2020-10-19 23:09:37,518 INFO L168 Benchmark]: Boogie Preprocessor took 85.91 ms. Allocated memory is still 44.0 MB. Free memory was 24.9 MB in the beginning and 19.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 14.3 GB. [2020-10-19 23:09:37,518 INFO L168 Benchmark]: RCFGBuilder took 1473.60 ms. Allocated memory was 44.0 MB in the beginning and 56.1 MB in the end (delta: 12.1 MB). Free memory was 19.4 MB in the beginning and 16.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 18.8 MB. Max. memory is 14.3 GB. [2020-10-19 23:09:37,519 INFO L168 Benchmark]: TraceAbstraction took 13860.84 ms. Allocated memory was 56.1 MB in the beginning and 192.9 MB in the end (delta: 136.8 MB). Free memory was 16.3 MB in the beginning and 144.3 MB in the end (delta: -128.0 MB). Peak memory consumption was 144.7 MB. Max. memory is 14.3 GB. [2020-10-19 23:09:37,519 INFO L168 Benchmark]: Witness Printer took 203.63 ms. Allocated memory is still 192.9 MB. Free memory was 144.3 MB in the beginning and 123.1 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 14.3 GB. [2020-10-19 23:09:37,523 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 32.0 MB. Free memory was 9.3 MB in the beginning and 9.2 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 748.43 ms. Allocated memory was 41.4 MB in the beginning and 44.0 MB in the end (delta: 2.6 MB). Free memory was 18.1 MB in the beginning and 17.7 MB in the end (delta: 466.8 kB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 136.31 ms. Allocated memory is still 44.0 MB. Free memory was 17.4 MB in the beginning and 24.9 MB in the end (delta: -7.5 MB). Peak memory consumption was 10.1 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 85.91 ms. Allocated memory is still 44.0 MB. Free memory was 24.9 MB in the beginning and 19.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1473.60 ms. Allocated memory was 44.0 MB in the beginning and 56.1 MB in the end (delta: 12.1 MB). Free memory was 19.4 MB in the beginning and 16.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 18.8 MB. Max. memory is 14.3 GB. * TraceAbstraction took 13860.84 ms. Allocated memory was 56.1 MB in the beginning and 192.9 MB in the end (delta: 136.8 MB). Free memory was 16.3 MB in the beginning and 144.3 MB in the end (delta: -128.0 MB). Peak memory consumption was 144.7 MB. Max. memory is 14.3 GB. * Witness Printer took 203.63 ms. Allocated memory is still 192.9 MB. Free memory was 144.3 MB in the beginning and 123.1 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 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: 578]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: ((((((14 == a4 && a12 == 0) && a19 <= 9) && a10 == 4) || ((((14 == a4 && a10 == 2) && 7 <= a19) && a12 == 0) && a19 <= 9)) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((a10 == 1 && 14 == a4) && 7 <= a19) && a12 == 0)) || ((14 == a4 && a10 == 0) && a12 == 0) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((((((14 == a4 && a12 == 0) && a19 <= 9) && a10 == 4) || ((((14 == a4 && a10 == 2) && 7 <= a19) && a12 == 0) && a19 <= 9)) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((a10 == 1 && 14 == a4) && 7 <= a19) && a12 == 0)) || ((14 == a4 && a10 == 0) && a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.4s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1291 SDtfs, 1281 SDslu, 63 SDs, 0 SdLazy, 4615 SolverSat, 822 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 378 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2089occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 845 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 37 NumberOfFragments, 133 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1884 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 266 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 2942 NumberOfCodeBlocks, 2942 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2929 ConstructedInterpolants, 0 QuantifiedInterpolants, 2409731 SizeOfPredicates, 0 NumberOfNonLiveVariables, 486 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 2494/2539 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...