./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label04.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/Problem11_label04.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 e392abf9a5205c2f0feae2d72db9fa157340f739 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:11:04,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 23:11:04,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 23:11:04,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 23:11:04,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 23:11:04,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 23:11:04,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 23:11:04,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 23:11:04,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 23:11:04,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 23:11:04,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 23:11:04,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 23:11:04,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 23:11:04,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 23:11:04,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 23:11:04,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 23:11:04,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 23:11:04,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 23:11:04,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 23:11:04,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 23:11:04,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 23:11:04,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 23:11:04,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 23:11:04,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 23:11:04,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 23:11:04,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 23:11:04,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 23:11:04,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 23:11:04,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 23:11:04,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 23:11:04,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 23:11:04,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 23:11:04,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 23:11:04,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 23:11:04,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 23:11:04,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 23:11:04,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 23:11:04,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 23:11:04,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 23:11:04,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 23:11:04,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 23:11:04,661 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 23:11:04,687 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 23:11:04,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 23:11:04,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 23:11:04,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 23:11:04,689 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 23:11:04,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 23:11:04,689 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 23:11:04,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 23:11:04,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 23:11:04,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 23:11:04,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 23:11:04,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 23:11:04,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 23:11:04,691 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 23:11:04,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 23:11:04,691 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 23:11:04,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 23:11:04,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 23:11:04,691 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 23:11:04,692 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 23:11:04,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 23:11:04,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:11:04,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 23:11:04,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 23:11:04,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 23:11:04,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 23:11:04,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 23:11:04,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 23:11:04,693 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 23:11:04,693 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 -> e392abf9a5205c2f0feae2d72db9fa157340f739 [2020-10-19 23:11:04,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 23:11:04,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 23:11:04,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 23:11:04,906 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 23:11:04,906 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 23:11:04,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label04.c [2020-10-19 23:11:04,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7426127f8/2f48e5fb0c174bbfb5999474f538bc2a/FLAG9c7f3b573 [2020-10-19 23:11:05,688 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 23:11:05,689 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label04.c [2020-10-19 23:11:05,717 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7426127f8/2f48e5fb0c174bbfb5999474f538bc2a/FLAG9c7f3b573 [2020-10-19 23:11:05,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7426127f8/2f48e5fb0c174bbfb5999474f538bc2a [2020-10-19 23:11:05,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 23:11:05,781 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 23:11:05,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 23:11:05,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 23:11:05,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 23:11:05,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:11:05" (1/1) ... [2020-10-19 23:11:05,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e818308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:05, skipping insertion in model container [2020-10-19 23:11:05,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:11:05" (1/1) ... [2020-10-19 23:11:05,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 23:11:05,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 23:11:06,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:11:06,487 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 23:11:06,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:11:06,727 INFO L208 MainTranslator]: Completed translation [2020-10-19 23:11:06,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:06 WrapperNode [2020-10-19 23:11:06,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 23:11:06,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 23:11:06,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 23:11:06,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 23:11:06,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:06" (1/1) ... [2020-10-19 23:11:06,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:06" (1/1) ... [2020-10-19 23:11:06,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 23:11:06,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 23:11:06,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 23:11:06,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 23:11:06,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:06" (1/1) ... [2020-10-19 23:11:06,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:06" (1/1) ... [2020-10-19 23:11:06,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:06" (1/1) ... [2020-10-19 23:11:06,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:06" (1/1) ... [2020-10-19 23:11:07,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:06" (1/1) ... [2020-10-19 23:11:07,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:06" (1/1) ... [2020-10-19 23:11:07,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:06" (1/1) ... [2020-10-19 23:11:07,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 23:11:07,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 23:11:07,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 23:11:07,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 23:11:07,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:06" (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 23:11:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 23:11:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 23:11:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 23:11:07,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 23:11:09,386 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 23:11:09,386 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 23:11:09,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:11:09 BoogieIcfgContainer [2020-10-19 23:11:09,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 23:11:09,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 23:11:09,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 23:11:09,398 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 23:11:09,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 11:11:05" (1/3) ... [2020-10-19 23:11:09,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef83854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:11:09, skipping insertion in model container [2020-10-19 23:11:09,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:06" (2/3) ... [2020-10-19 23:11:09,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef83854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:11:09, skipping insertion in model container [2020-10-19 23:11:09,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:11:09" (3/3) ... [2020-10-19 23:11:09,404 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label04.c [2020-10-19 23:11:09,417 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 23:11:09,427 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 23:11:09,444 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 23:11:09,485 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 23:11:09,485 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 23:11:09,486 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 23:11:09,487 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 23:11:09,487 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 23:11:09,487 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 23:11:09,487 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 23:11:09,488 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 23:11:09,516 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-10-19 23:11:09,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-19 23:11:09,575 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:09,577 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:09,577 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:09,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:09,585 INFO L82 PathProgramCache]: Analyzing trace with hash -92557335, now seen corresponding path program 1 times [2020-10-19 23:11:09,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:09,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420740177] [2020-10-19 23:11:09,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:09,977 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 23:11:09,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420740177] [2020-10-19 23:11:09,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:09,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:11:09,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055618631] [2020-10-19 23:11:09,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:09,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:10,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:10,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:10,003 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-10-19 23:11:11,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:11,714 INFO L93 Difference]: Finished difference Result 764 states and 1353 transitions. [2020-10-19 23:11:11,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:11,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-10-19 23:11:11,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:11,753 INFO L225 Difference]: With dead ends: 764 [2020-10-19 23:11:11,753 INFO L226 Difference]: Without dead ends: 416 [2020-10-19 23:11:11,760 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 23:11:11,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2020-10-19 23:11:11,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 408. [2020-10-19 23:11:11,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2020-10-19 23:11:11,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 657 transitions. [2020-10-19 23:11:11,832 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 657 transitions. Word has length 53 [2020-10-19 23:11:11,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:11,833 INFO L481 AbstractCegarLoop]: Abstraction has 408 states and 657 transitions. [2020-10-19 23:11:11,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:11,833 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 657 transitions. [2020-10-19 23:11:11,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-19 23:11:11,838 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:11,839 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, 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] [2020-10-19 23:11:11,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 23:11:11,839 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:11,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:11,840 INFO L82 PathProgramCache]: Analyzing trace with hash -799094778, now seen corresponding path program 1 times [2020-10-19 23:11:11,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:11,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305807406] [2020-10-19 23:11:11,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:11,966 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:11,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305807406] [2020-10-19 23:11:11,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:11,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:11:11,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906201306] [2020-10-19 23:11:11,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:11,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:11,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:11,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:11,971 INFO L87 Difference]: Start difference. First operand 408 states and 657 transitions. Second operand 3 states. [2020-10-19 23:11:13,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:13,137 INFO L93 Difference]: Finished difference Result 1189 states and 1922 transitions. [2020-10-19 23:11:13,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:13,138 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-10-19 23:11:13,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:13,145 INFO L225 Difference]: With dead ends: 1189 [2020-10-19 23:11:13,145 INFO L226 Difference]: Without dead ends: 783 [2020-10-19 23:11:13,147 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 23:11:13,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2020-10-19 23:11:13,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 783. [2020-10-19 23:11:13,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2020-10-19 23:11:13,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1128 transitions. [2020-10-19 23:11:13,185 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1128 transitions. Word has length 118 [2020-10-19 23:11:13,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:13,186 INFO L481 AbstractCegarLoop]: Abstraction has 783 states and 1128 transitions. [2020-10-19 23:11:13,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:13,186 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1128 transitions. [2020-10-19 23:11:13,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-19 23:11:13,191 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:13,191 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, 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] [2020-10-19 23:11:13,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 23:11:13,192 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:13,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:13,192 INFO L82 PathProgramCache]: Analyzing trace with hash 623343278, now seen corresponding path program 1 times [2020-10-19 23:11:13,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:13,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292301348] [2020-10-19 23:11:13,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:13,351 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:13,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292301348] [2020-10-19 23:11:13,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:13,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:11:13,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494291607] [2020-10-19 23:11:13,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:13,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:13,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:13,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:13,356 INFO L87 Difference]: Start difference. First operand 783 states and 1128 transitions. Second operand 3 states. [2020-10-19 23:11:14,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:14,589 INFO L93 Difference]: Finished difference Result 1942 states and 2803 transitions. [2020-10-19 23:11:14,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:14,590 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-10-19 23:11:14,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:14,597 INFO L225 Difference]: With dead ends: 1942 [2020-10-19 23:11:14,598 INFO L226 Difference]: Without dead ends: 1161 [2020-10-19 23:11:14,600 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 23:11:14,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2020-10-19 23:11:14,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1151. [2020-10-19 23:11:14,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1151 states. [2020-10-19 23:11:14,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1538 transitions. [2020-10-19 23:11:14,641 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1538 transitions. Word has length 121 [2020-10-19 23:11:14,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:14,642 INFO L481 AbstractCegarLoop]: Abstraction has 1151 states and 1538 transitions. [2020-10-19 23:11:14,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:14,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1538 transitions. [2020-10-19 23:11:14,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-19 23:11:14,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:14,648 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, 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 23:11:14,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 23:11:14,648 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:14,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:14,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1675105328, now seen corresponding path program 1 times [2020-10-19 23:11:14,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:14,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106254865] [2020-10-19 23:11:14,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:14,820 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:14,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106254865] [2020-10-19 23:11:14,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:14,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:11:14,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117603686] [2020-10-19 23:11:14,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:14,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:14,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:14,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:14,825 INFO L87 Difference]: Start difference. First operand 1151 states and 1538 transitions. Second operand 3 states. [2020-10-19 23:11:15,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:15,883 INFO L93 Difference]: Finished difference Result 2853 states and 3736 transitions. [2020-10-19 23:11:15,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:15,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-10-19 23:11:15,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:15,894 INFO L225 Difference]: With dead ends: 2853 [2020-10-19 23:11:15,894 INFO L226 Difference]: Without dead ends: 1704 [2020-10-19 23:11:15,897 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 23:11:15,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2020-10-19 23:11:15,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1519. [2020-10-19 23:11:15,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1519 states. [2020-10-19 23:11:15,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 1924 transitions. [2020-10-19 23:11:15,928 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 1924 transitions. Word has length 122 [2020-10-19 23:11:15,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:15,929 INFO L481 AbstractCegarLoop]: Abstraction has 1519 states and 1924 transitions. [2020-10-19 23:11:15,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:15,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 1924 transitions. [2020-10-19 23:11:15,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-19 23:11:15,933 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:15,933 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:15,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 23:11:15,933 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:15,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:15,934 INFO L82 PathProgramCache]: Analyzing trace with hash 945104371, now seen corresponding path program 1 times [2020-10-19 23:11:15,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:15,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388636971] [2020-10-19 23:11:15,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:16,204 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-10-19 23:11:16,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388636971] [2020-10-19 23:11:16,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:16,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:11:16,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774068018] [2020-10-19 23:11:16,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:16,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:16,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:16,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:16,208 INFO L87 Difference]: Start difference. First operand 1519 states and 1924 transitions. Second operand 3 states. [2020-10-19 23:11:17,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:17,185 INFO L93 Difference]: Finished difference Result 3963 states and 4902 transitions. [2020-10-19 23:11:17,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:17,189 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2020-10-19 23:11:17,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:17,201 INFO L225 Difference]: With dead ends: 3963 [2020-10-19 23:11:17,201 INFO L226 Difference]: Without dead ends: 2446 [2020-10-19 23:11:17,204 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 23:11:17,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2020-10-19 23:11:17,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 2261. [2020-10-19 23:11:17,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2261 states. [2020-10-19 23:11:17,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 2261 states and 2763 transitions. [2020-10-19 23:11:17,260 INFO L78 Accepts]: Start accepts. Automaton has 2261 states and 2763 transitions. Word has length 196 [2020-10-19 23:11:17,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:17,262 INFO L481 AbstractCegarLoop]: Abstraction has 2261 states and 2763 transitions. [2020-10-19 23:11:17,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:17,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2763 transitions. [2020-10-19 23:11:17,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-19 23:11:17,267 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:17,267 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:11:17,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 23:11:17,268 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:17,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:17,268 INFO L82 PathProgramCache]: Analyzing trace with hash 935240623, now seen corresponding path program 1 times [2020-10-19 23:11:17,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:17,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955777410] [2020-10-19 23:11:17,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:17,533 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:17,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955777410] [2020-10-19 23:11:17,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:17,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:17,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576401381] [2020-10-19 23:11:17,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:17,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:17,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:17,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:17,537 INFO L87 Difference]: Start difference. First operand 2261 states and 2763 transitions. Second operand 3 states. [2020-10-19 23:11:18,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:18,681 INFO L93 Difference]: Finished difference Result 5263 states and 6501 transitions. [2020-10-19 23:11:18,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:18,682 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2020-10-19 23:11:18,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:18,697 INFO L225 Difference]: With dead ends: 5263 [2020-10-19 23:11:18,699 INFO L226 Difference]: Without dead ends: 3188 [2020-10-19 23:11:18,702 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 23:11:18,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3188 states. [2020-10-19 23:11:18,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3188 to 2813. [2020-10-19 23:11:18,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2813 states. [2020-10-19 23:11:18,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 3417 transitions. [2020-10-19 23:11:18,770 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 3417 transitions. Word has length 233 [2020-10-19 23:11:18,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:18,776 INFO L481 AbstractCegarLoop]: Abstraction has 2813 states and 3417 transitions. [2020-10-19 23:11:18,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:18,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3417 transitions. [2020-10-19 23:11:18,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-19 23:11:18,781 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:18,782 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:11:18,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 23:11:18,782 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:18,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:18,783 INFO L82 PathProgramCache]: Analyzing trace with hash -596222225, now seen corresponding path program 1 times [2020-10-19 23:11:18,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:18,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636741238] [2020-10-19 23:11:18,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:19,011 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-19 23:11:19,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636741238] [2020-10-19 23:11:19,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:19,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:19,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571783923] [2020-10-19 23:11:19,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:19,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:19,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:19,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:19,015 INFO L87 Difference]: Start difference. First operand 2813 states and 3417 transitions. Second operand 3 states. [2020-10-19 23:11:20,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:20,535 INFO L93 Difference]: Finished difference Result 7281 states and 8947 transitions. [2020-10-19 23:11:20,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:20,538 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2020-10-19 23:11:20,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:20,566 INFO L225 Difference]: With dead ends: 7281 [2020-10-19 23:11:20,567 INFO L226 Difference]: Without dead ends: 4470 [2020-10-19 23:11:20,574 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 23:11:20,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4470 states. [2020-10-19 23:11:20,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4470 to 3549. [2020-10-19 23:11:20,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3549 states. [2020-10-19 23:11:20,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 3549 states and 4333 transitions. [2020-10-19 23:11:20,675 INFO L78 Accepts]: Start accepts. Automaton has 3549 states and 4333 transitions. Word has length 234 [2020-10-19 23:11:20,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:20,676 INFO L481 AbstractCegarLoop]: Abstraction has 3549 states and 4333 transitions. [2020-10-19 23:11:20,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:20,677 INFO L276 IsEmpty]: Start isEmpty. Operand 3549 states and 4333 transitions. [2020-10-19 23:11:20,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-10-19 23:11:20,687 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:20,688 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:11:20,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 23:11:20,689 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:20,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:20,690 INFO L82 PathProgramCache]: Analyzing trace with hash 129955340, now seen corresponding path program 1 times [2020-10-19 23:11:20,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:20,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211710333] [2020-10-19 23:11:20,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:20,985 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-10-19 23:11:20,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211710333] [2020-10-19 23:11:20,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:20,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:20,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082323538] [2020-10-19 23:11:20,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:20,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:20,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:20,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:20,988 INFO L87 Difference]: Start difference. First operand 3549 states and 4333 transitions. Second operand 3 states. [2020-10-19 23:11:22,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:22,001 INFO L93 Difference]: Finished difference Result 7094 states and 8662 transitions. [2020-10-19 23:11:22,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:22,002 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 278 [2020-10-19 23:11:22,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:22,017 INFO L225 Difference]: With dead ends: 7094 [2020-10-19 23:11:22,017 INFO L226 Difference]: Without dead ends: 3547 [2020-10-19 23:11:22,022 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 23:11:22,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3547 states. [2020-10-19 23:11:22,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3547 to 3363. [2020-10-19 23:11:22,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3363 states. [2020-10-19 23:11:22,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3363 states to 3363 states and 3910 transitions. [2020-10-19 23:11:22,075 INFO L78 Accepts]: Start accepts. Automaton has 3363 states and 3910 transitions. Word has length 278 [2020-10-19 23:11:22,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:22,076 INFO L481 AbstractCegarLoop]: Abstraction has 3363 states and 3910 transitions. [2020-10-19 23:11:22,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:22,076 INFO L276 IsEmpty]: Start isEmpty. Operand 3363 states and 3910 transitions. [2020-10-19 23:11:22,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-10-19 23:11:22,085 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:22,085 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, 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, 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] [2020-10-19 23:11:22,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 23:11:22,086 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:22,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:22,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1576030718, now seen corresponding path program 1 times [2020-10-19 23:11:22,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:22,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512226581] [2020-10-19 23:11:22,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:22,382 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-10-19 23:11:22,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512226581] [2020-10-19 23:11:22,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:22,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:11:22,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264005565] [2020-10-19 23:11:22,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:22,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:22,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:22,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:22,391 INFO L87 Difference]: Start difference. First operand 3363 states and 3910 transitions. Second operand 3 states. [2020-10-19 23:11:23,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:23,049 INFO L93 Difference]: Finished difference Result 6720 states and 7814 transitions. [2020-10-19 23:11:23,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:23,050 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 335 [2020-10-19 23:11:23,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:23,065 INFO L225 Difference]: With dead ends: 6720 [2020-10-19 23:11:23,066 INFO L226 Difference]: Without dead ends: 3359 [2020-10-19 23:11:23,069 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 23:11:23,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3359 states. [2020-10-19 23:11:23,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3359 to 3359. [2020-10-19 23:11:23,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3359 states. [2020-10-19 23:11:23,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3359 states to 3359 states and 3901 transitions. [2020-10-19 23:11:23,125 INFO L78 Accepts]: Start accepts. Automaton has 3359 states and 3901 transitions. Word has length 335 [2020-10-19 23:11:23,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:23,126 INFO L481 AbstractCegarLoop]: Abstraction has 3359 states and 3901 transitions. [2020-10-19 23:11:23,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:23,126 INFO L276 IsEmpty]: Start isEmpty. Operand 3359 states and 3901 transitions. [2020-10-19 23:11:23,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-10-19 23:11:23,135 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:23,135 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, 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, 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 23:11:23,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-19 23:11:23,136 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:23,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:23,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1254834655, now seen corresponding path program 1 times [2020-10-19 23:11:23,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:23,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948451438] [2020-10-19 23:11:23,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:23,855 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 27 proven. 74 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-10-19 23:11:23,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948451438] [2020-10-19 23:11:23,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950841744] [2020-10-19 23:11:23,857 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 23:11:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:24,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:11:24,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:11:24,341 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-10-19 23:11:24,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:11:24,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 23:11:24,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176563397] [2020-10-19 23:11:24,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:24,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:24,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:24,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:11:24,345 INFO L87 Difference]: Start difference. First operand 3359 states and 3901 transitions. Second operand 3 states. [2020-10-19 23:11:25,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:25,609 INFO L93 Difference]: Finished difference Result 8006 states and 9403 transitions. [2020-10-19 23:11:25,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:25,609 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 336 [2020-10-19 23:11:25,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:25,626 INFO L225 Difference]: With dead ends: 8006 [2020-10-19 23:11:25,626 INFO L226 Difference]: Without dead ends: 4649 [2020-10-19 23:11:25,630 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:11:25,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4649 states. [2020-10-19 23:11:25,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4649 to 4094. [2020-10-19 23:11:25,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4094 states. [2020-10-19 23:11:25,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4094 states to 4094 states and 4701 transitions. [2020-10-19 23:11:25,703 INFO L78 Accepts]: Start accepts. Automaton has 4094 states and 4701 transitions. Word has length 336 [2020-10-19 23:11:25,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:25,704 INFO L481 AbstractCegarLoop]: Abstraction has 4094 states and 4701 transitions. [2020-10-19 23:11:25,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:25,704 INFO L276 IsEmpty]: Start isEmpty. Operand 4094 states and 4701 transitions. [2020-10-19 23:11:25,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2020-10-19 23:11:25,714 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:25,714 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, 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, 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] [2020-10-19 23:11:25,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-19 23:11:25,928 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:25,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:25,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1519429153, now seen corresponding path program 1 times [2020-10-19 23:11:25,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:25,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682042028] [2020-10-19 23:11:25,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:26,517 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 152 proven. 173 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-19 23:11:26,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682042028] [2020-10-19 23:11:26,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381305470] [2020-10-19 23:11:26,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:11:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:26,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 23:11:26,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:11:27,310 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-10-19 23:11:27,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:11:27,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 23:11:27,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166117393] [2020-10-19 23:11:27,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:27,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:27,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:27,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:11:27,314 INFO L87 Difference]: Start difference. First operand 4094 states and 4701 transitions. Second operand 3 states. [2020-10-19 23:11:28,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:28,725 INFO L93 Difference]: Finished difference Result 8187 states and 9402 transitions. [2020-10-19 23:11:28,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:28,726 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 355 [2020-10-19 23:11:28,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:28,756 INFO L225 Difference]: With dead ends: 8187 [2020-10-19 23:11:28,756 INFO L226 Difference]: Without dead ends: 4095 [2020-10-19 23:11:28,764 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:11:28,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4095 states. [2020-10-19 23:11:28,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4095 to 4095. [2020-10-19 23:11:28,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4095 states. [2020-10-19 23:11:28,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4095 states to 4095 states and 4660 transitions. [2020-10-19 23:11:28,826 INFO L78 Accepts]: Start accepts. Automaton has 4095 states and 4660 transitions. Word has length 355 [2020-10-19 23:11:28,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:28,827 INFO L481 AbstractCegarLoop]: Abstraction has 4095 states and 4660 transitions. [2020-10-19 23:11:28,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:28,827 INFO L276 IsEmpty]: Start isEmpty. Operand 4095 states and 4660 transitions. [2020-10-19 23:11:28,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-10-19 23:11:28,838 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:28,839 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, 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, 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] [2020-10-19 23:11:29,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:11:29,053 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:29,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:29,053 INFO L82 PathProgramCache]: Analyzing trace with hash 740055185, now seen corresponding path program 1 times [2020-10-19 23:11:29,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:29,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365947741] [2020-10-19 23:11:29,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:29,449 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 152 proven. 153 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-10-19 23:11:29,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365947741] [2020-10-19 23:11:29,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733970746] [2020-10-19 23:11:29,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:11:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:29,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-19 23:11:29,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:11:29,669 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 23:11:29,703 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 23:11:29,751 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 23:11:30,180 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-10-19 23:11:30,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:11:30,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2020-10-19 23:11:30,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528193] [2020-10-19 23:11:30,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:11:30,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:30,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:11:30,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:11:30,184 INFO L87 Difference]: Start difference. First operand 4095 states and 4660 transitions. Second operand 4 states. [2020-10-19 23:11:31,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:31,471 INFO L93 Difference]: Finished difference Result 8743 states and 9970 transitions. [2020-10-19 23:11:31,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:31,472 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 369 [2020-10-19 23:11:31,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:31,482 INFO L225 Difference]: With dead ends: 8743 [2020-10-19 23:11:31,482 INFO L226 Difference]: Without dead ends: 4650 [2020-10-19 23:11:31,487 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 367 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:11:31,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4650 states. [2020-10-19 23:11:31,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4650 to 4647. [2020-10-19 23:11:31,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4647 states. [2020-10-19 23:11:31,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4647 states to 4647 states and 5236 transitions. [2020-10-19 23:11:31,551 INFO L78 Accepts]: Start accepts. Automaton has 4647 states and 5236 transitions. Word has length 369 [2020-10-19 23:11:31,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:31,552 INFO L481 AbstractCegarLoop]: Abstraction has 4647 states and 5236 transitions. [2020-10-19 23:11:31,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:11:31,552 INFO L276 IsEmpty]: Start isEmpty. Operand 4647 states and 5236 transitions. [2020-10-19 23:11:31,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2020-10-19 23:11:31,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:31,567 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, 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, 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] [2020-10-19 23:11:31,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-19 23:11:31,780 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:31,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:31,781 INFO L82 PathProgramCache]: Analyzing trace with hash -254537968, now seen corresponding path program 1 times [2020-10-19 23:11:31,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:31,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832944565] [2020-10-19 23:11:31,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:32,207 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-19 23:11:32,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832944565] [2020-10-19 23:11:32,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:32,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:32,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223846633] [2020-10-19 23:11:32,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:11:32,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:32,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:11:32,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:11:32,216 INFO L87 Difference]: Start difference. First operand 4647 states and 5236 transitions. Second operand 4 states. [2020-10-19 23:11:34,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:34,260 INFO L93 Difference]: Finished difference Result 12810 states and 14532 transitions. [2020-10-19 23:11:34,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:11:34,261 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 390 [2020-10-19 23:11:34,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:34,277 INFO L225 Difference]: With dead ends: 12810 [2020-10-19 23:11:34,278 INFO L226 Difference]: Without dead ends: 8165 [2020-10-19 23:11:34,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:11:34,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8165 states. [2020-10-19 23:11:34,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8165 to 7977. [2020-10-19 23:11:34,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7977 states. [2020-10-19 23:11:34,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7977 states to 7977 states and 9013 transitions. [2020-10-19 23:11:34,429 INFO L78 Accepts]: Start accepts. Automaton has 7977 states and 9013 transitions. Word has length 390 [2020-10-19 23:11:34,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:34,430 INFO L481 AbstractCegarLoop]: Abstraction has 7977 states and 9013 transitions. [2020-10-19 23:11:34,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:11:34,431 INFO L276 IsEmpty]: Start isEmpty. Operand 7977 states and 9013 transitions. [2020-10-19 23:11:34,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2020-10-19 23:11:34,446 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:34,446 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2020-10-19 23:11:34,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-19 23:11:34,447 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:34,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:34,448 INFO L82 PathProgramCache]: Analyzing trace with hash -762638670, now seen corresponding path program 1 times [2020-10-19 23:11:34,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:34,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005135104] [2020-10-19 23:11:34,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:34,778 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 433 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2020-10-19 23:11:34,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005135104] [2020-10-19 23:11:34,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:34,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:34,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072583376] [2020-10-19 23:11:34,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:34,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:34,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:34,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:34,782 INFO L87 Difference]: Start difference. First operand 7977 states and 9013 transitions. Second operand 3 states. [2020-10-19 23:11:36,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:36,044 INFO L93 Difference]: Finished difference Result 17603 states and 20054 transitions. [2020-10-19 23:11:36,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:36,045 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 450 [2020-10-19 23:11:36,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:36,125 INFO L225 Difference]: With dead ends: 17603 [2020-10-19 23:11:36,125 INFO L226 Difference]: Without dead ends: 9996 [2020-10-19 23:11:36,135 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 23:11:36,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9996 states. [2020-10-19 23:11:36,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9996 to 9993. [2020-10-19 23:11:36,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9993 states. [2020-10-19 23:11:36,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9993 states to 9993 states and 11148 transitions. [2020-10-19 23:11:36,265 INFO L78 Accepts]: Start accepts. Automaton has 9993 states and 11148 transitions. Word has length 450 [2020-10-19 23:11:36,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:36,266 INFO L481 AbstractCegarLoop]: Abstraction has 9993 states and 11148 transitions. [2020-10-19 23:11:36,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:36,266 INFO L276 IsEmpty]: Start isEmpty. Operand 9993 states and 11148 transitions. [2020-10-19 23:11:36,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2020-10-19 23:11:36,284 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:36,284 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2020-10-19 23:11:36,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-19 23:11:36,285 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:36,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:36,285 INFO L82 PathProgramCache]: Analyzing trace with hash 2018170381, now seen corresponding path program 1 times [2020-10-19 23:11:36,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:36,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927383786] [2020-10-19 23:11:36,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:36,576 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2020-10-19 23:11:36,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927383786] [2020-10-19 23:11:36,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:36,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:36,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985216406] [2020-10-19 23:11:36,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:36,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:36,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:36,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:36,579 INFO L87 Difference]: Start difference. First operand 9993 states and 11148 transitions. Second operand 3 states. [2020-10-19 23:11:37,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:37,756 INFO L93 Difference]: Finished difference Result 19611 states and 21878 transitions. [2020-10-19 23:11:37,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:37,757 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 457 [2020-10-19 23:11:37,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:37,780 INFO L225 Difference]: With dead ends: 19611 [2020-10-19 23:11:37,780 INFO L226 Difference]: Without dead ends: 9806 [2020-10-19 23:11:37,792 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 23:11:37,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9806 states. [2020-10-19 23:11:37,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9806 to 9254. [2020-10-19 23:11:37,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9254 states. [2020-10-19 23:11:37,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9254 states to 9254 states and 10221 transitions. [2020-10-19 23:11:37,961 INFO L78 Accepts]: Start accepts. Automaton has 9254 states and 10221 transitions. Word has length 457 [2020-10-19 23:11:37,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:37,962 INFO L481 AbstractCegarLoop]: Abstraction has 9254 states and 10221 transitions. [2020-10-19 23:11:37,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:37,962 INFO L276 IsEmpty]: Start isEmpty. Operand 9254 states and 10221 transitions. [2020-10-19 23:11:37,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2020-10-19 23:11:37,983 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:37,983 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:11:37,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-19 23:11:37,984 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:37,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:37,984 INFO L82 PathProgramCache]: Analyzing trace with hash 2033482954, now seen corresponding path program 1 times [2020-10-19 23:11:37,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:37,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175953100] [2020-10-19 23:11:37,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:38,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1528 backedges. 930 proven. 0 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2020-10-19 23:11:38,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175953100] [2020-10-19 23:11:38,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:38,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:38,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018236683] [2020-10-19 23:11:38,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:38,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:38,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:38,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:38,416 INFO L87 Difference]: Start difference. First operand 9254 states and 10221 transitions. Second operand 3 states. [2020-10-19 23:11:39,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:39,584 INFO L93 Difference]: Finished difference Result 19053 states and 21048 transitions. [2020-10-19 23:11:39,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:39,585 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 629 [2020-10-19 23:11:39,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:39,586 INFO L225 Difference]: With dead ends: 19053 [2020-10-19 23:11:39,586 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 23:11:39,598 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 23:11:39,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 23:11:39,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 23:11:39,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 23:11:39,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 23:11:39,599 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 629 [2020-10-19 23:11:39,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:39,600 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 23:11:39,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:39,600 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 23:11:39,600 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 23:11:39,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-19 23:11:39,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 23:11:40,072 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2020-10-19 23:11:40,383 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2020-10-19 23:11:40,387 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,387 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,387 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,388 INFO L270 CegarLoopResult]: At program point L1027(lines 24 1028) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 138)) (.cse5 (< 0 (+ ~a23~0 43))) (.cse4 (<= 10 ~a25~0)) (.cse7 (= ~a4~0 1)) (.cse6 (<= ~a29~0 140)) (.cse9 (= ~a25~0 11)) (.cse1 (< 277 ~a29~0)) (.cse0 (<= ~a23~0 312)) (.cse2 (= ~a8~0 15)) (.cse8 (* ~a29~0 (- 1)))) (or (and (<= ~a25~0 10) .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse3 .cse6 .cse2 .cse5) (and (<= ~a29~0 130) .cse2 .cse7) (and .cse4 .cse2 .cse7) (and (<= 0 (+ ~a23~0 42)) .cse2 .cse7) (and .cse2 (= ~a25~0 12)) (and (= ~a25~0 10) .cse2 (<= 0 (+ (div (+ .cse8 (- 28690)) 5) 49))) (and .cse9 .cse6 .cse0 .cse2) (and .cse9 .cse0 .cse1 .cse2) (and (<= ~a25~0 9) .cse0 .cse2 (<= (div (+ .cse8 (- 554771)) (- 3)) 245)))) [2020-10-19 23:11:40,388 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,388 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-19 23:11:40,388 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-19 23:11:40,389 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,389 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,389 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,389 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,389 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,390 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,390 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-19 23:11:40,390 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-19 23:11:40,390 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-19 23:11:40,391 INFO L277 CegarLoopResult]: At program point L1030(lines 1030 1046) the Hoare annotation is: true [2020-10-19 23:11:40,391 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,391 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,391 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,391 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,391 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,391 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,391 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,391 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-19 23:11:40,392 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-19 23:11:40,392 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-19 23:11:40,392 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,392 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,392 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,392 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,392 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,392 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,392 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,392 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,393 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,393 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-19 23:11:40,393 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-19 23:11:40,393 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-19 23:11:40,393 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,394 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 138)) (.cse5 (< 0 (+ ~a23~0 43))) (.cse4 (<= 10 ~a25~0)) (.cse7 (= ~a4~0 1)) (.cse6 (<= ~a29~0 140)) (.cse9 (= ~a25~0 11)) (.cse1 (< 277 ~a29~0)) (.cse0 (<= ~a23~0 312)) (.cse2 (= ~a8~0 15)) (.cse8 (* ~a29~0 (- 1)))) (or (and (<= ~a25~0 10) .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse3 .cse6 .cse2 .cse5) (and (<= ~a29~0 130) .cse2 .cse7) (and .cse4 .cse2 .cse7) (and (<= 0 (+ ~a23~0 42)) .cse2 .cse7) (and .cse2 (= ~a25~0 12)) (and (= ~a25~0 10) .cse2 (<= 0 (+ (div (+ .cse8 (- 28690)) 5) 49))) (and .cse9 .cse6 .cse0 .cse2) (and .cse9 .cse0 .cse1 .cse2) (and (<= ~a25~0 9) .cse0 .cse2 (<= (div (+ .cse8 (- 554771)) (- 3)) 245)))) [2020-10-19 23:11:40,394 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,394 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,394 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,394 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,394 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,394 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,394 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,395 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,395 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-19 23:11:40,395 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-19 23:11:40,395 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-19 23:11:40,395 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-19 23:11:40,395 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-19 23:11:40,395 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-19 23:11:40,395 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-19 23:11:40,395 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,395 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,396 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,396 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,396 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,396 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,396 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,396 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,396 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,396 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,396 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-19 23:11:40,396 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-19 23:11:40,397 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-19 23:11:40,397 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-19 23:11:40,397 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,397 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,397 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,397 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,397 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,397 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-19 23:11:40,397 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-19 23:11:40,398 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-19 23:11:40,398 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,398 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,398 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,398 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,398 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-19 23:11:40,398 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-19 23:11:40,398 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,398 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,398 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,399 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,399 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,399 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,399 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-19 23:11:40,399 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-19 23:11:40,399 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,399 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,399 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-19 23:11:40,399 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-19 23:11:40,400 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-19 23:11:40,400 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 23:11:40,400 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,400 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,400 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,400 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,400 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,400 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,400 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,400 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-19 23:11:40,400 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-19 23:11:40,401 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-19 23:11:40,401 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-19 23:11:40,401 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-19 23:11:40,401 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-19 23:11:40,401 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-19 23:11:40,401 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,401 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,401 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-19 23:11:40,401 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-19 23:11:40,401 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,402 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,402 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,402 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,402 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,402 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-19 23:11:40,402 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-19 23:11:40,402 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-19 23:11:40,402 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,402 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,403 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,403 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,403 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,403 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,403 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-19 23:11:40,403 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-19 23:11:40,403 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-19 23:11:40,403 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 23:11:40,403 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,404 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 23:11:40,404 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,404 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,404 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,404 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,404 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,404 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,404 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,404 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-19 23:11:40,404 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-19 23:11:40,405 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-19 23:11:40,405 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,405 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,405 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,405 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,405 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,405 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,405 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,405 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 23:11:40,405 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,406 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,406 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,406 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,406 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-19 23:11:40,406 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-19 23:11:40,406 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-19 23:11:40,406 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-19 23:11:40,406 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-19 23:11:40,406 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,406 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,407 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,407 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,407 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,407 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,407 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,407 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-19 23:11:40,407 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-19 23:11:40,407 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-19 23:11:40,407 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,408 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,408 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,408 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-19 23:11:40,408 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-19 23:11:40,408 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,408 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,408 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,408 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,408 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,409 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-19 23:11:40,409 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-19 23:11:40,409 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,409 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,409 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-19 23:11:40,409 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-19 23:11:40,409 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,409 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,409 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,409 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,410 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,410 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,410 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-19 23:11:40,410 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-19 23:11:40,410 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-19 23:11:40,410 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-19 23:11:40,410 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,410 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,410 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,410 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,411 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,411 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,411 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,411 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,411 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-19 23:11:40,411 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-19 23:11:40,411 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-19 23:11:40,411 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-19 23:11:40,411 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-19 23:11:40,411 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-19 23:11:40,412 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,412 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,412 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,412 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,412 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,412 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,412 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,412 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 23:11:40,412 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-19 23:11:40,413 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-19 23:11:40,413 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,413 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,413 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,413 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,413 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,413 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,413 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-19 23:11:40,413 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-19 23:11:40,413 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,414 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,414 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,414 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,414 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,414 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,414 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,414 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-19 23:11:40,414 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,414 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,415 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,415 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-19 23:11:40,415 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-19 23:11:40,415 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-19 23:11:40,415 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,415 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-19 23:11:40,415 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,415 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-19 23:11:40,415 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,415 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,416 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 23:11:40,416 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,416 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,416 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,416 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,416 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-19 23:11:40,416 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-19 23:11:40,416 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-19 23:11:40,416 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,417 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,417 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,417 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,417 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,417 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,417 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,417 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,417 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,417 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,418 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-19 23:11:40,418 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-19 23:11:40,418 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-19 23:11:40,418 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,418 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-19 23:11:40,418 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-19 23:11:40,418 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,418 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,418 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:40,418 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,418 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,419 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-19 23:11:40,419 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-19 23:11:40,419 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-19 23:11:40,419 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-19 23:11:40,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 11:11:40 BoogieIcfgContainer [2020-10-19 23:11:40,446 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 23:11:40,447 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 23:11:40,447 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 23:11:40,447 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 23:11:40,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:11:09" (3/4) ... [2020-10-19 23:11:40,452 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 23:11:40,482 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 23:11:40,485 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 23:11:40,487 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:11:40,488 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:11:40,718 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 23:11:40,718 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 23:11:40,720 INFO L168 Benchmark]: Toolchain (without parser) took 34944.71 ms. Allocated memory was 42.5 MB in the beginning and 394.3 MB in the end (delta: 351.8 MB). Free memory was 20.2 MB in the beginning and 28.7 MB in the end (delta: -8.6 MB). Peak memory consumption was 343.2 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:40,721 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 32.0 MB. Free memory was 9.8 MB in the beginning and 9.7 MB in the end (delta: 68.2 kB). Peak memory consumption was 68.2 kB. Max. memory is 14.3 GB. [2020-10-19 23:11:40,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 946.37 ms. Allocated memory was 42.5 MB in the beginning and 45.6 MB in the end (delta: 3.1 MB). Free memory was 19.2 MB in the beginning and 16.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 14.9 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:40,722 INFO L168 Benchmark]: Boogie Procedure Inliner took 228.12 ms. Allocated memory was 45.6 MB in the beginning and 47.7 MB in the end (delta: 2.1 MB). Free memory was 16.6 MB in the beginning and 17.2 MB in the end (delta: -547.9 kB). Peak memory consumption was 11.5 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:40,722 INFO L168 Benchmark]: Boogie Preprocessor took 160.87 ms. Allocated memory is still 47.7 MB. Free memory was 17.2 MB in the beginning and 6.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:40,723 INFO L168 Benchmark]: RCFGBuilder took 2271.71 ms. Allocated memory was 47.7 MB in the beginning and 76.0 MB in the end (delta: 28.3 MB). Free memory was 6.6 MB in the beginning and 22.2 MB in the end (delta: -15.6 MB). Peak memory consumption was 19.3 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:40,723 INFO L168 Benchmark]: TraceAbstraction took 31053.78 ms. Allocated memory was 76.0 MB in the beginning and 394.3 MB in the end (delta: 318.2 MB). Free memory was 21.6 MB in the beginning and 60.4 MB in the end (delta: -38.8 MB). Peak memory consumption was 279.4 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:40,723 INFO L168 Benchmark]: Witness Printer took 271.85 ms. Allocated memory is still 394.3 MB. Free memory was 60.4 MB in the beginning and 28.7 MB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:40,727 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 32.0 MB. Free memory was 9.8 MB in the beginning and 9.7 MB in the end (delta: 68.2 kB). Peak memory consumption was 68.2 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 946.37 ms. Allocated memory was 42.5 MB in the beginning and 45.6 MB in the end (delta: 3.1 MB). Free memory was 19.2 MB in the beginning and 16.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 14.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 228.12 ms. Allocated memory was 45.6 MB in the beginning and 47.7 MB in the end (delta: 2.1 MB). Free memory was 16.6 MB in the beginning and 17.2 MB in the end (delta: -547.9 kB). Peak memory consumption was 11.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 160.87 ms. Allocated memory is still 47.7 MB. Free memory was 17.2 MB in the beginning and 6.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 2271.71 ms. Allocated memory was 47.7 MB in the beginning and 76.0 MB in the end (delta: 28.3 MB). Free memory was 6.6 MB in the beginning and 22.2 MB in the end (delta: -15.6 MB). Peak memory consumption was 19.3 MB. Max. memory is 14.3 GB. * TraceAbstraction took 31053.78 ms. Allocated memory was 76.0 MB in the beginning and 394.3 MB in the end (delta: 318.2 MB). Free memory was 21.6 MB in the beginning and 60.4 MB in the end (delta: -38.8 MB). Peak memory consumption was 279.4 MB. Max. memory is 14.3 GB. * Witness Printer took 271.85 ms. Allocated memory is still 394.3 MB. Free memory was 60.4 MB in the beginning and 28.7 MB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: ((((((((((((a25 <= 10 && a23 <= 312) && 277 < a29) && a8 == 15) || (((a23 <= 138 && 10 <= a25) && a8 == 15) && 0 < a23 + 43)) || (((a23 <= 138 && a29 <= 140) && a8 == 15) && 0 < a23 + 43)) || ((a29 <= 130 && a8 == 15) && a4 == 1)) || ((10 <= a25 && a8 == 15) && a4 == 1)) || ((0 <= a23 + 42 && a8 == 15) && a4 == 1)) || (a8 == 15 && a25 == 12)) || ((a25 == 10 && a8 == 15) && 0 <= (a29 * -1 + -28690) / 5 + 49)) || (((a25 == 11 && a29 <= 140) && a23 <= 312) && a8 == 15)) || (((a25 == 11 && a23 <= 312) && 277 < a29) && a8 == 15)) || (((a25 <= 9 && a23 <= 312) && a8 == 15) && (a29 * -1 + -554771) / -3 <= 245) - InvariantResult [Line: 1030]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: ((((((((((((a25 <= 10 && a23 <= 312) && 277 < a29) && a8 == 15) || (((a23 <= 138 && 10 <= a25) && a8 == 15) && 0 < a23 + 43)) || (((a23 <= 138 && a29 <= 140) && a8 == 15) && 0 < a23 + 43)) || ((a29 <= 130 && a8 == 15) && a4 == 1)) || ((10 <= a25 && a8 == 15) && a4 == 1)) || ((0 <= a23 + 42 && a8 == 15) && a4 == 1)) || (a8 == 15 && a25 == 12)) || ((a25 == 10 && a8 == 15) && 0 <= (a29 * -1 + -28690) / 5 + 49)) || (((a25 == 11 && a29 <= 140) && a23 <= 312) && a8 == 15)) || (((a25 == 11 && a23 <= 312) && 277 < a29) && a8 == 15)) || (((a25 <= 9 && a23 <= 312) && a8 == 15) && (a29 * -1 + -554771) / -3 <= 245) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 30.1s, OverallIterations: 16, TraceHistogramMax: 7, AutomataDifference: 20.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3234 SDtfs, 2510 SDslu, 330 SDs, 0 SdLazy, 8789 SolverSat, 1494 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1104 GetRequests, 1075 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9993occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 3169 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 127 NumberOfFragments, 293 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4484 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 600 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 5736 NumberOfCodeBlocks, 5736 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 5717 ConstructedInterpolants, 1 QuantifiedInterpolants, 5460449 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1498 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 19 InterpolantComputations, 16 PerfectInterpolantSequences, 6045/6445 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...