./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem03_label29.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/Problem03_label29.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 8d0e6a0a0e68fb9cee16759d846dfca021f8f027 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-19 22:33:41,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:33:41,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:33:41,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:33:41,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:33:41,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:33:41,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:33:41,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:33:41,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:33:41,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:33:41,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:33:41,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:33:41,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:33:41,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:33:41,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:33:41,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:33:41,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:33:41,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:33:41,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:33:41,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:33:41,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:33:41,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:33:41,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:33:41,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:33:41,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:33:41,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:33:41,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:33:41,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:33:41,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:33:41,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:33:41,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:33:41,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:33:41,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:33:41,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:33:41,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:33:41,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:33:41,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:33:41,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:33:41,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:33:41,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:33:41,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:33:41,705 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 22:33:41,753 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:33:41,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:33:41,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:33:41,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:33:41,757 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:33:41,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:33:41,757 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:33:41,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 22:33:41,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:33:41,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:33:41,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:33:41,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:33:41,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:33:41,760 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:33:41,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:33:41,761 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:33:41,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:33:41,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:33:41,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:33:41,762 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:33:41,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:33:41,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:33:41,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:33:41,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:33:41,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:33:41,764 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 22:33:41,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 22:33:41,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:33:41,765 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:33:41,765 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 -> 8d0e6a0a0e68fb9cee16759d846dfca021f8f027 [2020-10-19 22:33:41,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:33:41,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:33:42,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:33:42,002 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:33:42,003 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:33:42,004 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label29.c [2020-10-19 22:33:42,071 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d26ef476/a24f9be75add4f7983081621acd3d0bc/FLAG78adc6125 [2020-10-19 22:33:42,743 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:33:42,744 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label29.c [2020-10-19 22:33:42,759 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d26ef476/a24f9be75add4f7983081621acd3d0bc/FLAG78adc6125 [2020-10-19 22:33:42,884 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d26ef476/a24f9be75add4f7983081621acd3d0bc [2020-10-19 22:33:42,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:33:42,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:33:42,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:33:42,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:33:42,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:33:42,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:33:42" (1/1) ... [2020-10-19 22:33:42,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@598b369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:33:42, skipping insertion in model container [2020-10-19 22:33:42,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:33:42" (1/1) ... [2020-10-19 22:33:42,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:33:42,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:33:43,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:33:43,701 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:33:44,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:33:44,120 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:33:44,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:33:44 WrapperNode [2020-10-19 22:33:44,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:33:44,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:33:44,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:33:44,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:33:44,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:33:44" (1/1) ... [2020-10-19 22:33:44,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:33:44" (1/1) ... [2020-10-19 22:33:44,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:33:44,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:33:44,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:33:44,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:33:44,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:33:44" (1/1) ... [2020-10-19 22:33:44,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:33:44" (1/1) ... [2020-10-19 22:33:44,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:33:44" (1/1) ... [2020-10-19 22:33:44,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:33:44" (1/1) ... [2020-10-19 22:33:44,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:33:44" (1/1) ... [2020-10-19 22:33:44,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:33:44" (1/1) ... [2020-10-19 22:33:44,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:33:44" (1/1) ... [2020-10-19 22:33:44,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:33:44,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:33:44,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:33:44,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:33:44,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:33:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:33:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 22:33:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:33:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:33:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:33:46,739 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:33:46,739 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 22:33:46,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:33:46 BoogieIcfgContainer [2020-10-19 22:33:46,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:33:46,743 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:33:46,744 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:33:46,748 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:33:46,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:33:42" (1/3) ... [2020-10-19 22:33:46,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68c4f3a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:33:46, skipping insertion in model container [2020-10-19 22:33:46,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:33:44" (2/3) ... [2020-10-19 22:33:46,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68c4f3a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:33:46, skipping insertion in model container [2020-10-19 22:33:46,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:33:46" (3/3) ... [2020-10-19 22:33:46,752 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label29.c [2020-10-19 22:33:46,767 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:33:46,777 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:33:46,792 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:33:46,823 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:33:46,823 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:33:46,823 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:33:46,824 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:33:46,824 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:33:46,824 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:33:46,824 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:33:46,824 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:33:46,849 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2020-10-19 22:33:46,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-19 22:33:46,865 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:33:46,867 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:33:46,867 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:33:46,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:33:46,874 INFO L82 PathProgramCache]: Analyzing trace with hash 800753066, now seen corresponding path program 1 times [2020-10-19 22:33:46,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:33:46,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312498612] [2020-10-19 22:33:46,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:33:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:33:47,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:33:47,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312498612] [2020-10-19 22:33:47,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:33:47,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:33:47,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624957782] [2020-10-19 22:33:47,684 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:33:47,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:33:47,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:33:47,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:33:47,702 INFO L87 Difference]: Start difference. First operand 303 states. Second operand 3 states. [2020-10-19 22:33:49,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:33:49,110 INFO L93 Difference]: Finished difference Result 811 states and 1446 transitions. [2020-10-19 22:33:49,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:33:49,112 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2020-10-19 22:33:49,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:33:49,132 INFO L225 Difference]: With dead ends: 811 [2020-10-19 22:33:49,132 INFO L226 Difference]: Without dead ends: 444 [2020-10-19 22:33:49,138 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:33:49,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2020-10-19 22:33:49,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2020-10-19 22:33:49,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-10-19 22:33:49,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 633 transitions. [2020-10-19 22:33:49,232 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 633 transitions. Word has length 178 [2020-10-19 22:33:49,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:33:49,233 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 633 transitions. [2020-10-19 22:33:49,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:33:49,233 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 633 transitions. [2020-10-19 22:33:49,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-19 22:33:49,238 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:33:49,239 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:33:49,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 22:33:49,240 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:33:49,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:33:49,240 INFO L82 PathProgramCache]: Analyzing trace with hash 872327563, now seen corresponding path program 1 times [2020-10-19 22:33:49,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:33:49,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792860751] [2020-10-19 22:33:49,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:33:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:33:49,354 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:33:49,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792860751] [2020-10-19 22:33:49,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:33:49,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:33:49,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154667811] [2020-10-19 22:33:49,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:33:49,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:33:49,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:33:49,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:33:49,359 INFO L87 Difference]: Start difference. First operand 444 states and 633 transitions. Second operand 3 states. [2020-10-19 22:33:50,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:33:50,598 INFO L93 Difference]: Finished difference Result 1312 states and 1878 transitions. [2020-10-19 22:33:50,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:33:50,599 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2020-10-19 22:33:50,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:33:50,605 INFO L225 Difference]: With dead ends: 1312 [2020-10-19 22:33:50,605 INFO L226 Difference]: Without dead ends: 870 [2020-10-19 22:33:50,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:33:50,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2020-10-19 22:33:50,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 856. [2020-10-19 22:33:50,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-10-19 22:33:50,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1192 transitions. [2020-10-19 22:33:50,648 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1192 transitions. Word has length 186 [2020-10-19 22:33:50,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:33:50,648 INFO L481 AbstractCegarLoop]: Abstraction has 856 states and 1192 transitions. [2020-10-19 22:33:50,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:33:50,649 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1192 transitions. [2020-10-19 22:33:50,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-10-19 22:33:50,656 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:33:50,657 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:33:50,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 22:33:50,657 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:33:50,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:33:50,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1516638610, now seen corresponding path program 1 times [2020-10-19 22:33:50,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:33:50,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036189277] [2020-10-19 22:33:50,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:33:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:33:50,803 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-19 22:33:50,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036189277] [2020-10-19 22:33:50,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:33:50,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:33:50,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522991248] [2020-10-19 22:33:50,806 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:33:50,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:33:50,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:33:50,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:33:50,807 INFO L87 Difference]: Start difference. First operand 856 states and 1192 transitions. Second operand 3 states. [2020-10-19 22:33:52,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:33:52,162 INFO L93 Difference]: Finished difference Result 2535 states and 3531 transitions. [2020-10-19 22:33:52,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:33:52,163 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 198 [2020-10-19 22:33:52,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:33:52,173 INFO L225 Difference]: With dead ends: 2535 [2020-10-19 22:33:52,173 INFO L226 Difference]: Without dead ends: 1681 [2020-10-19 22:33:52,175 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:33:52,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2020-10-19 22:33:52,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 1680. [2020-10-19 22:33:52,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1680 states. [2020-10-19 22:33:52,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2198 transitions. [2020-10-19 22:33:52,238 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2198 transitions. Word has length 198 [2020-10-19 22:33:52,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:33:52,239 INFO L481 AbstractCegarLoop]: Abstraction has 1680 states and 2198 transitions. [2020-10-19 22:33:52,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:33:52,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2198 transitions. [2020-10-19 22:33:52,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-10-19 22:33:52,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:33:52,246 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:33:52,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 22:33:52,246 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:33:52,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:33:52,247 INFO L82 PathProgramCache]: Analyzing trace with hash 128896908, now seen corresponding path program 1 times [2020-10-19 22:33:52,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:33:52,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341107829] [2020-10-19 22:33:52,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:33:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:33:52,365 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-19 22:33:52,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341107829] [2020-10-19 22:33:52,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:33:52,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:33:52,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686069469] [2020-10-19 22:33:52,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:33:52,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:33:52,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:33:52,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:33:52,369 INFO L87 Difference]: Start difference. First operand 1680 states and 2198 transitions. Second operand 3 states. [2020-10-19 22:33:53,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:33:53,561 INFO L93 Difference]: Finished difference Result 4173 states and 5623 transitions. [2020-10-19 22:33:53,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:33:53,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2020-10-19 22:33:53,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:33:53,574 INFO L225 Difference]: With dead ends: 4173 [2020-10-19 22:33:53,574 INFO L226 Difference]: Without dead ends: 2495 [2020-10-19 22:33:53,577 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:33:53,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2020-10-19 22:33:53,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2492. [2020-10-19 22:33:53,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2492 states. [2020-10-19 22:33:53,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 2492 states and 3160 transitions. [2020-10-19 22:33:53,637 INFO L78 Accepts]: Start accepts. Automaton has 2492 states and 3160 transitions. Word has length 212 [2020-10-19 22:33:53,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:33:53,637 INFO L481 AbstractCegarLoop]: Abstraction has 2492 states and 3160 transitions. [2020-10-19 22:33:53,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:33:53,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2492 states and 3160 transitions. [2020-10-19 22:33:53,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-19 22:33:53,645 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:33:53,646 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:33:53,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 22:33:53,646 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:33:53,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:33:53,647 INFO L82 PathProgramCache]: Analyzing trace with hash 267591806, now seen corresponding path program 1 times [2020-10-19 22:33:53,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:33:53,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554392970] [2020-10-19 22:33:53,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:33:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:33:53,795 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-19 22:33:53,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554392970] [2020-10-19 22:33:53,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:33:53,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:33:53,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982712884] [2020-10-19 22:33:53,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 22:33:53,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:33:53,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 22:33:53,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 22:33:53,799 INFO L87 Difference]: Start difference. First operand 2492 states and 3160 transitions. Second operand 4 states. [2020-10-19 22:33:55,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:33:55,120 INFO L93 Difference]: Finished difference Result 4959 states and 6290 transitions. [2020-10-19 22:33:55,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 22:33:55,121 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 216 [2020-10-19 22:33:55,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:33:55,133 INFO L225 Difference]: With dead ends: 4959 [2020-10-19 22:33:55,133 INFO L226 Difference]: Without dead ends: 2469 [2020-10-19 22:33:55,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 22:33:55,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2469 states. [2020-10-19 22:33:55,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2469 to 2465. [2020-10-19 22:33:55,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2465 states. [2020-10-19 22:33:55,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2465 states to 2465 states and 2972 transitions. [2020-10-19 22:33:55,186 INFO L78 Accepts]: Start accepts. Automaton has 2465 states and 2972 transitions. Word has length 216 [2020-10-19 22:33:55,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:33:55,187 INFO L481 AbstractCegarLoop]: Abstraction has 2465 states and 2972 transitions. [2020-10-19 22:33:55,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 22:33:55,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2465 states and 2972 transitions. [2020-10-19 22:33:55,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-19 22:33:55,194 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:33:55,194 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:33:55,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 22:33:55,195 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:33:55,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:33:55,195 INFO L82 PathProgramCache]: Analyzing trace with hash -2055830927, now seen corresponding path program 1 times [2020-10-19 22:33:55,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:33:55,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661214433] [2020-10-19 22:33:55,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:33:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:33:55,369 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 73 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-19 22:33:55,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661214433] [2020-10-19 22:33:55,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285114557] [2020-10-19 22:33:55,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:33:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:33:55,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 22:33:55,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:33:55,662 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-19 22:33:55,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:33:55,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:33:55,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640511173] [2020-10-19 22:33:55,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:33:55,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:33:55,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:33:55,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:33:55,665 INFO L87 Difference]: Start difference. First operand 2465 states and 2972 transitions. Second operand 3 states. [2020-10-19 22:33:56,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:33:56,740 INFO L93 Difference]: Finished difference Result 7367 states and 8883 transitions. [2020-10-19 22:33:56,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:33:56,740 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2020-10-19 22:33:56,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:33:56,768 INFO L225 Difference]: With dead ends: 7367 [2020-10-19 22:33:56,768 INFO L226 Difference]: Without dead ends: 4904 [2020-10-19 22:33:56,773 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:33:56,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4904 states. [2020-10-19 22:33:56,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4904 to 4901. [2020-10-19 22:33:56,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4901 states. [2020-10-19 22:33:56,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4901 states to 4901 states and 5713 transitions. [2020-10-19 22:33:56,890 INFO L78 Accepts]: Start accepts. Automaton has 4901 states and 5713 transitions. Word has length 246 [2020-10-19 22:33:56,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:33:56,891 INFO L481 AbstractCegarLoop]: Abstraction has 4901 states and 5713 transitions. [2020-10-19 22:33:56,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:33:56,891 INFO L276 IsEmpty]: Start isEmpty. Operand 4901 states and 5713 transitions. [2020-10-19 22:33:56,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-10-19 22:33:56,903 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:33:56,904 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, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2020-10-19 22:33:57,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-19 22:33:57,118 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:33:57,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:33:57,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1724178926, now seen corresponding path program 1 times [2020-10-19 22:33:57,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:33:57,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002123386] [2020-10-19 22:33:57,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:33:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:33:57,310 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:33:57,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002123386] [2020-10-19 22:33:57,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:33:57,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:33:57,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866048778] [2020-10-19 22:33:57,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:33:57,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:33:57,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:33:57,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:33:57,314 INFO L87 Difference]: Start difference. First operand 4901 states and 5713 transitions. Second operand 3 states. [2020-10-19 22:33:58,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:33:58,256 INFO L93 Difference]: Finished difference Result 9803 states and 11429 transitions. [2020-10-19 22:33:58,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:33:58,257 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 256 [2020-10-19 22:33:58,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:33:58,280 INFO L225 Difference]: With dead ends: 9803 [2020-10-19 22:33:58,281 INFO L226 Difference]: Without dead ends: 4904 [2020-10-19 22:33:58,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:33:58,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4904 states. [2020-10-19 22:33:58,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4904 to 4901. [2020-10-19 22:33:58,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4901 states. [2020-10-19 22:33:58,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4901 states to 4901 states and 5572 transitions. [2020-10-19 22:33:58,385 INFO L78 Accepts]: Start accepts. Automaton has 4901 states and 5572 transitions. Word has length 256 [2020-10-19 22:33:58,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:33:58,386 INFO L481 AbstractCegarLoop]: Abstraction has 4901 states and 5572 transitions. [2020-10-19 22:33:58,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:33:58,386 INFO L276 IsEmpty]: Start isEmpty. Operand 4901 states and 5572 transitions. [2020-10-19 22:33:58,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-10-19 22:33:58,399 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:33:58,399 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:33:58,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 22:33:58,400 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:33:58,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:33:58,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1969398332, now seen corresponding path program 1 times [2020-10-19 22:33:58,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:33:58,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598990870] [2020-10-19 22:33:58,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:33:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:33:58,627 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-19 22:33:58,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598990870] [2020-10-19 22:33:58,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:33:58,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:33:58,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844313496] [2020-10-19 22:33:58,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:33:58,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:33:58,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:33:58,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:33:58,630 INFO L87 Difference]: Start difference. First operand 4901 states and 5572 transitions. Second operand 3 states. [2020-10-19 22:33:59,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:33:59,735 INFO L93 Difference]: Finished difference Result 13867 states and 15710 transitions. [2020-10-19 22:33:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:33:59,736 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 271 [2020-10-19 22:33:59,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:33:59,773 INFO L225 Difference]: With dead ends: 13867 [2020-10-19 22:33:59,774 INFO L226 Difference]: Without dead ends: 8968 [2020-10-19 22:33:59,781 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:33:59,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8968 states. [2020-10-19 22:33:59,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8968 to 8965. [2020-10-19 22:33:59,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8965 states. [2020-10-19 22:33:59,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8965 states to 8965 states and 9894 transitions. [2020-10-19 22:33:59,924 INFO L78 Accepts]: Start accepts. Automaton has 8965 states and 9894 transitions. Word has length 271 [2020-10-19 22:33:59,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:33:59,925 INFO L481 AbstractCegarLoop]: Abstraction has 8965 states and 9894 transitions. [2020-10-19 22:33:59,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:33:59,925 INFO L276 IsEmpty]: Start isEmpty. Operand 8965 states and 9894 transitions. [2020-10-19 22:33:59,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-10-19 22:33:59,942 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:33:59,942 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2020-10-19 22:33:59,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 22:33:59,943 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:33:59,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:33:59,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1758892586, now seen corresponding path program 1 times [2020-10-19 22:33:59,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:33:59,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520489173] [2020-10-19 22:33:59,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:33:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:00,382 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-19 22:34:00,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520489173] [2020-10-19 22:34:00,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:00,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:34:00,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565937458] [2020-10-19 22:34:00,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:00,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:00,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:00,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:00,386 INFO L87 Difference]: Start difference. First operand 8965 states and 9894 transitions. Second operand 3 states. [2020-10-19 22:34:01,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:01,408 INFO L93 Difference]: Finished difference Result 22407 states and 24703 transitions. [2020-10-19 22:34:01,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:01,410 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 284 [2020-10-19 22:34:01,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:01,451 INFO L225 Difference]: With dead ends: 22407 [2020-10-19 22:34:01,451 INFO L226 Difference]: Without dead ends: 13444 [2020-10-19 22:34:01,464 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:01,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13444 states. [2020-10-19 22:34:01,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13444 to 13442. [2020-10-19 22:34:01,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13442 states. [2020-10-19 22:34:01,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13442 states to 13442 states and 14790 transitions. [2020-10-19 22:34:01,694 INFO L78 Accepts]: Start accepts. Automaton has 13442 states and 14790 transitions. Word has length 284 [2020-10-19 22:34:01,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:01,694 INFO L481 AbstractCegarLoop]: Abstraction has 13442 states and 14790 transitions. [2020-10-19 22:34:01,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:01,694 INFO L276 IsEmpty]: Start isEmpty. Operand 13442 states and 14790 transitions. [2020-10-19 22:34:01,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-10-19 22:34:01,720 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:01,721 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:34:01,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-19 22:34:01,721 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:01,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:01,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1737275663, now seen corresponding path program 1 times [2020-10-19 22:34:01,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:01,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996411315] [2020-10-19 22:34:01,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:02,143 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-19 22:34:02,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996411315] [2020-10-19 22:34:02,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:02,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:34:02,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513986156] [2020-10-19 22:34:02,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:02,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:02,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:02,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:02,146 INFO L87 Difference]: Start difference. First operand 13442 states and 14790 transitions. Second operand 3 states. [2020-10-19 22:34:03,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:03,289 INFO L93 Difference]: Finished difference Result 30754 states and 33867 transitions. [2020-10-19 22:34:03,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:03,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 286 [2020-10-19 22:34:03,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:03,321 INFO L225 Difference]: With dead ends: 30754 [2020-10-19 22:34:03,322 INFO L226 Difference]: Without dead ends: 17314 [2020-10-19 22:34:03,336 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:03,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17314 states. [2020-10-19 22:34:03,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17314 to 17303. [2020-10-19 22:34:03,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17303 states. [2020-10-19 22:34:03,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17303 states to 17303 states and 19043 transitions. [2020-10-19 22:34:03,634 INFO L78 Accepts]: Start accepts. Automaton has 17303 states and 19043 transitions. Word has length 286 [2020-10-19 22:34:03,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:03,635 INFO L481 AbstractCegarLoop]: Abstraction has 17303 states and 19043 transitions. [2020-10-19 22:34:03,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:03,635 INFO L276 IsEmpty]: Start isEmpty. Operand 17303 states and 19043 transitions. [2020-10-19 22:34:03,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-10-19 22:34:03,665 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:03,666 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:34:03,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 22:34:03,666 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:03,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:03,667 INFO L82 PathProgramCache]: Analyzing trace with hash 2037618563, now seen corresponding path program 1 times [2020-10-19 22:34:03,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:03,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743858626] [2020-10-19 22:34:03,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:03,862 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 68 proven. 6 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-19 22:34:03,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743858626] [2020-10-19 22:34:03,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40666738] [2020-10-19 22:34:03,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:34:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:04,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:34:04,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:34:04,231 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-19 22:34:04,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:34:04,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:34:04,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953218392] [2020-10-19 22:34:04,232 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:04,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:04,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:04,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:34:04,234 INFO L87 Difference]: Start difference. First operand 17303 states and 19043 transitions. Second operand 3 states. [2020-10-19 22:34:05,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:05,529 INFO L93 Difference]: Finished difference Result 39687 states and 43899 transitions. [2020-10-19 22:34:05,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:05,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 291 [2020-10-19 22:34:05,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:05,531 INFO L225 Difference]: With dead ends: 39687 [2020-10-19 22:34:05,531 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 22:34:05,554 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:34:05,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 22:34:05,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 22:34:05,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 22:34:05,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 22:34:05,556 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 291 [2020-10-19 22:34:05,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:05,556 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 22:34:05,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:05,557 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 22:34:05,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 22:34:05,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:34:05,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 22:34:06,070 INFO L274 CegarLoopResult]: For program point L1621-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,071 INFO L274 CegarLoopResult]: For program point L1555-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,071 INFO L274 CegarLoopResult]: For program point L1489-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,071 INFO L274 CegarLoopResult]: For program point L763(lines 763 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,071 INFO L274 CegarLoopResult]: For program point L1622(line 1622) no Hoare annotation was computed. [2020-10-19 22:34:06,071 INFO L274 CegarLoopResult]: For program point L1556(line 1556) no Hoare annotation was computed. [2020-10-19 22:34:06,072 INFO L274 CegarLoopResult]: For program point L499(lines 499 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,072 INFO L274 CegarLoopResult]: For program point L1490(line 1490) no Hoare annotation was computed. [2020-10-19 22:34:06,072 INFO L274 CegarLoopResult]: For program point L235(lines 235 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,072 INFO L274 CegarLoopResult]: For program point L500(lines 500 513) no Hoare annotation was computed. [2020-10-19 22:34:06,072 INFO L274 CegarLoopResult]: For program point L500-2(lines 500 513) no Hoare annotation was computed. [2020-10-19 22:34:06,072 INFO L274 CegarLoopResult]: For program point L1425(lines 1425 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,073 INFO L274 CegarLoopResult]: For program point L368(lines 368 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,073 INFO L274 CegarLoopResult]: For program point L1624-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,074 INFO L274 CegarLoopResult]: For program point L1558-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,074 INFO L274 CegarLoopResult]: For program point L1492-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,074 INFO L274 CegarLoopResult]: For program point L303(lines 303 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,075 INFO L274 CegarLoopResult]: For program point L1228(lines 1228 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,076 INFO L274 CegarLoopResult]: For program point L1625(line 1625) no Hoare annotation was computed. [2020-10-19 22:34:06,076 INFO L274 CegarLoopResult]: For program point L568(lines 568 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,076 INFO L274 CegarLoopResult]: For program point L1559(line 1559) no Hoare annotation was computed. [2020-10-19 22:34:06,077 INFO L274 CegarLoopResult]: For program point L1493(line 1493) no Hoare annotation was computed. [2020-10-19 22:34:06,077 INFO L274 CegarLoopResult]: For program point L436(lines 436 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,077 INFO L274 CegarLoopResult]: For program point L1361(lines 1361 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,077 INFO L274 CegarLoopResult]: For program point L1097(lines 1097 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,078 INFO L274 CegarLoopResult]: For program point L635(lines 635 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,078 INFO L274 CegarLoopResult]: For program point L1362(lines 1362 1381) no Hoare annotation was computed. [2020-10-19 22:34:06,078 INFO L274 CegarLoopResult]: For program point L1362-2(lines 1362 1381) no Hoare annotation was computed. [2020-10-19 22:34:06,078 INFO L274 CegarLoopResult]: For program point L1164(lines 1164 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,078 INFO L274 CegarLoopResult]: For program point L107(lines 107 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,079 INFO L274 CegarLoopResult]: For program point L1627-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,079 INFO L274 CegarLoopResult]: For program point L1561-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,079 INFO L274 CegarLoopResult]: For program point L1495-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,079 INFO L274 CegarLoopResult]: For program point L240(lines 240 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,080 INFO L274 CegarLoopResult]: For program point L174(lines 174 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,080 INFO L274 CegarLoopResult]: For program point L1033(lines 1033 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,080 INFO L274 CegarLoopResult]: For program point L901(lines 901 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,080 INFO L274 CegarLoopResult]: For program point L703(lines 703 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,081 INFO L274 CegarLoopResult]: For program point L1628(line 1628) no Hoare annotation was computed. [2020-10-19 22:34:06,081 INFO L274 CegarLoopResult]: For program point L1562(line 1562) no Hoare annotation was computed. [2020-10-19 22:34:06,081 INFO L274 CegarLoopResult]: For program point L1496(line 1496) no Hoare annotation was computed. [2020-10-19 22:34:06,082 INFO L274 CegarLoopResult]: For program point L968(lines 968 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,082 INFO L274 CegarLoopResult]: For program point L771(lines 771 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,082 INFO L274 CegarLoopResult]: For program point L1630-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,082 INFO L274 CegarLoopResult]: For program point L1564-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,082 INFO L274 CegarLoopResult]: For program point L1498-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,083 INFO L274 CegarLoopResult]: For program point L838(lines 838 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,083 INFO L274 CegarLoopResult]: For program point L1631(line 1631) no Hoare annotation was computed. [2020-10-19 22:34:06,083 INFO L274 CegarLoopResult]: For program point L1565(line 1565) no Hoare annotation was computed. [2020-10-19 22:34:06,083 INFO L274 CegarLoopResult]: For program point L1499(line 1499) no Hoare annotation was computed. [2020-10-19 22:34:06,084 INFO L274 CegarLoopResult]: For program point L443(lines 443 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,084 INFO L274 CegarLoopResult]: For program point L1434(lines 1434 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,084 INFO L274 CegarLoopResult]: For program point L576(lines 576 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,084 INFO L274 CegarLoopResult]: For program point L1633-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,085 INFO L274 CegarLoopResult]: For program point L1567-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,085 INFO L274 CegarLoopResult]: For program point L1501-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,085 INFO L274 CegarLoopResult]: For program point L1634(line 1634) no Hoare annotation was computed. [2020-10-19 22:34:06,085 INFO L274 CegarLoopResult]: For program point L1568(line 1568) no Hoare annotation was computed. [2020-10-19 22:34:06,085 INFO L274 CegarLoopResult]: For program point L1502(line 1502) no Hoare annotation was computed. [2020-10-19 22:34:06,085 INFO L274 CegarLoopResult]: For program point L379(lines 379 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,087 INFO L274 CegarLoopResult]: For program point L1106(lines 1106 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,087 INFO L274 CegarLoopResult]: For program point L1040(lines 1040 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,087 INFO L274 CegarLoopResult]: For program point L380(lines 380 397) no Hoare annotation was computed. [2020-10-19 22:34:06,088 INFO L274 CegarLoopResult]: For program point L314(lines 314 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,088 INFO L274 CegarLoopResult]: For program point L380-2(lines 380 397) no Hoare annotation was computed. [2020-10-19 22:34:06,088 INFO L274 CegarLoopResult]: For program point L1239(lines 1239 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,088 INFO L274 CegarLoopResult]: For program point L116(lines 116 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,088 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1061) no Hoare annotation was computed. [2020-10-19 22:34:06,089 INFO L274 CegarLoopResult]: For program point L1041-2(lines 1041 1061) no Hoare annotation was computed. [2020-10-19 22:34:06,089 INFO L274 CegarLoopResult]: For program point L909(lines 909 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,089 INFO L274 CegarLoopResult]: For program point L711(lines 711 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,089 INFO L274 CegarLoopResult]: For program point L645(lines 645 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,089 INFO L274 CegarLoopResult]: For program point L1636-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,089 INFO L274 CegarLoopResult]: For program point L1570-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,090 INFO L274 CegarLoopResult]: For program point L1504-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,090 INFO L274 CegarLoopResult]: For program point L183(lines 183 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,090 INFO L274 CegarLoopResult]: For program point L712(lines 712 733) no Hoare annotation was computed. [2020-10-19 22:34:06,090 INFO L274 CegarLoopResult]: For program point L712-2(lines 712 733) no Hoare annotation was computed. [2020-10-19 22:34:06,090 INFO L274 CegarLoopResult]: For program point L1637(line 1637) no Hoare annotation was computed. [2020-10-19 22:34:06,090 INFO L274 CegarLoopResult]: For program point L1571(line 1571) no Hoare annotation was computed. [2020-10-19 22:34:06,091 INFO L274 CegarLoopResult]: For program point L1505(line 1505) no Hoare annotation was computed. [2020-10-19 22:34:06,091 INFO L274 CegarLoopResult]: For program point L1307(lines 1307 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,091 INFO L274 CegarLoopResult]: For program point L250(lines 250 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,091 INFO L274 CegarLoopResult]: For program point L1175(lines 1175 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,091 INFO L274 CegarLoopResult]: For program point L977(lines 977 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,091 INFO L274 CegarLoopResult]: For program point L779(lines 779 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,091 INFO L274 CegarLoopResult]: For program point L515(lines 515 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,092 INFO L274 CegarLoopResult]: For program point L846(lines 846 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,092 INFO L274 CegarLoopResult]: For program point L1639-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,092 INFO L274 CegarLoopResult]: For program point L1573-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,092 INFO L274 CegarLoopResult]: For program point L1507-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,092 INFO L274 CegarLoopResult]: For program point L1640(line 1640) no Hoare annotation was computed. [2020-10-19 22:34:06,092 INFO L274 CegarLoopResult]: For program point L1574(line 1574) no Hoare annotation was computed. [2020-10-19 22:34:06,093 INFO L274 CegarLoopResult]: For program point L1508(line 1508) no Hoare annotation was computed. [2020-10-19 22:34:06,093 INFO L274 CegarLoopResult]: For program point L452(lines 452 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,093 INFO L274 CegarLoopResult]: For program point L585(lines 585 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,093 INFO L274 CegarLoopResult]: For program point L1642-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,094 INFO L274 CegarLoopResult]: For program point L1576-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,094 INFO L274 CegarLoopResult]: For program point L1510-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,094 INFO L274 CegarLoopResult]: For program point L1444(lines 1444 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,095 INFO L274 CegarLoopResult]: For program point L321(lines 321 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,095 INFO L274 CegarLoopResult]: For program point L1114(lines 1114 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,095 INFO L274 CegarLoopResult]: For program point L57(lines 57 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,095 INFO L274 CegarLoopResult]: For program point L1643(line 1643) no Hoare annotation was computed. [2020-10-19 22:34:06,096 INFO L274 CegarLoopResult]: For program point L1577(line 1577) no Hoare annotation was computed. [2020-10-19 22:34:06,096 INFO L274 CegarLoopResult]: For program point L1511(line 1511) no Hoare annotation was computed. [2020-10-19 22:34:06,096 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 22:34:06,096 INFO L274 CegarLoopResult]: For program point L58(lines 58 73) no Hoare annotation was computed. [2020-10-19 22:34:06,097 INFO L274 CegarLoopResult]: For program point L58-2(lines 58 73) no Hoare annotation was computed. [2020-10-19 22:34:06,097 INFO L274 CegarLoopResult]: For program point L786(lines 786 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,097 INFO L274 CegarLoopResult]: For program point L1645-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,097 INFO L274 CegarLoopResult]: For program point L1579-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,098 INFO L274 CegarLoopResult]: For program point L1513-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,098 INFO L274 CegarLoopResult]: For program point L1315(lines 1315 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,098 INFO L274 CegarLoopResult]: For program point L985(lines 985 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,099 INFO L274 CegarLoopResult]: For program point L919(lines 919 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,099 INFO L274 CegarLoopResult]: For program point L655(lines 655 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,099 INFO L274 CegarLoopResult]: For program point L1646(line 1646) no Hoare annotation was computed. [2020-10-19 22:34:06,100 INFO L274 CegarLoopResult]: For program point L1580(line 1580) no Hoare annotation was computed. [2020-10-19 22:34:06,100 INFO L274 CegarLoopResult]: For program point L1514(line 1514) no Hoare annotation was computed. [2020-10-19 22:34:06,100 INFO L274 CegarLoopResult]: For program point L259(lines 259 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,100 INFO L274 CegarLoopResult]: For program point L193(lines 193 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,101 INFO L274 CegarLoopResult]: For program point L1184(lines 1184 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,101 INFO L274 CegarLoopResult]: For program point L920(lines 920 937) no Hoare annotation was computed. [2020-10-19 22:34:06,101 INFO L274 CegarLoopResult]: For program point L920-2(lines 920 937) no Hoare annotation was computed. [2020-10-19 22:34:06,101 INFO L274 CegarLoopResult]: For program point L524(lines 524 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,102 INFO L274 CegarLoopResult]: For program point L1383(lines 1383 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,102 INFO L274 CegarLoopResult]: For program point L1251(lines 1251 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,102 INFO L274 CegarLoopResult]: For program point L194(lines 194 213) no Hoare annotation was computed. [2020-10-19 22:34:06,102 INFO L274 CegarLoopResult]: For program point L128(lines 128 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,103 INFO L274 CegarLoopResult]: For program point L194-2(lines 194 213) no Hoare annotation was computed. [2020-10-19 22:34:06,103 INFO L274 CegarLoopResult]: For program point L855(lines 855 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,103 INFO L274 CegarLoopResult]: For program point L1648-1(lines 1648 1650) no Hoare annotation was computed. [2020-10-19 22:34:06,103 INFO L274 CegarLoopResult]: For program point L1582-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,104 INFO L274 CegarLoopResult]: For program point L1516-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,104 INFO L274 CegarLoopResult]: For program point L1384(lines 1384 1402) no Hoare annotation was computed. [2020-10-19 22:34:06,104 INFO L274 CegarLoopResult]: For program point L1384-2(lines 1384 1402) no Hoare annotation was computed. [2020-10-19 22:34:06,104 INFO L274 CegarLoopResult]: For program point L1252(lines 1252 1274) no Hoare annotation was computed. [2020-10-19 22:34:06,104 INFO L274 CegarLoopResult]: For program point L1252-2(lines 1252 1274) no Hoare annotation was computed. [2020-10-19 22:34:06,105 INFO L274 CegarLoopResult]: For program point L1649(line 1649) no Hoare annotation was computed. [2020-10-19 22:34:06,105 INFO L274 CegarLoopResult]: For program point L1583(line 1583) no Hoare annotation was computed. [2020-10-19 22:34:06,105 INFO L274 CegarLoopResult]: For program point L1517(line 1517) no Hoare annotation was computed. [2020-10-19 22:34:06,105 INFO L274 CegarLoopResult]: For program point L460(lines 460 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,106 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,106 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 22:34:06,106 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 22:34:06,107 INFO L274 CegarLoopResult]: For program point L660(lines 660 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,107 INFO L270 CegarLoopResult]: At program point L1651(lines 56 1652) the Hoare annotation is: (let ((.cse1 (= ~a27~0 1)) (.cse4 (= ~a11~0 1)) (.cse0 (= ~a5~0 1)) (.cse3 (<= ~a26~0 0)) (.cse5 (= ~a3~0 0)) (.cse2 (<= ~a6~0 0))) (or (and .cse0 .cse1 (= ~a15~0 1) .cse2) (and .cse0 .cse3 .cse4 .cse2) (and .cse0 .cse1 .cse4 .cse2) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 (= ~a6~0 1)) (and .cse0 .cse2 (= ~a3~0 1)) (and (= ~a12~0 1) .cse0 (= ~a26~0 1) .cse2) (and .cse0 .cse5 .cse4 .cse2) (and .cse0 .cse3 .cse5 .cse2))) [2020-10-19 22:34:06,108 INFO L274 CegarLoopResult]: For program point L594(lines 594 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,108 INFO L274 CegarLoopResult]: For program point L1585-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,108 INFO L274 CegarLoopResult]: For program point L1519-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,108 INFO L274 CegarLoopResult]: For program point L1586(line 1586) no Hoare annotation was computed. [2020-10-19 22:34:06,109 INFO L274 CegarLoopResult]: For program point L1520(line 1520) no Hoare annotation was computed. [2020-10-19 22:34:06,109 INFO L274 CegarLoopResult]: For program point L1454(lines 1454 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,109 INFO L274 CegarLoopResult]: For program point L331(lines 331 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,109 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,110 INFO L277 CegarLoopResult]: At program point L1654(lines 1654 1671) the Hoare annotation is: true [2020-10-19 22:34:06,110 INFO L274 CegarLoopResult]: For program point L531(lines 531 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,110 INFO L274 CegarLoopResult]: For program point L1588-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,110 INFO L274 CegarLoopResult]: For program point L1522-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,110 INFO L274 CegarLoopResult]: For program point L399(lines 399 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,110 INFO L274 CegarLoopResult]: For program point L267(lines 267 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,111 INFO L274 CegarLoopResult]: For program point L1192(lines 1192 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,111 INFO L274 CegarLoopResult]: For program point L1589(line 1589) no Hoare annotation was computed. [2020-10-19 22:34:06,111 INFO L274 CegarLoopResult]: For program point L1523(line 1523) no Hoare annotation was computed. [2020-10-19 22:34:06,111 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 22:34:06,111 INFO L274 CegarLoopResult]: For program point L797(lines 797 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,111 INFO L274 CegarLoopResult]: For program point L137(lines 137 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,112 INFO L274 CegarLoopResult]: For program point L996(lines 996 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,112 INFO L274 CegarLoopResult]: For program point L1591-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,112 INFO L274 CegarLoopResult]: For program point L1525-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,112 INFO L274 CegarLoopResult]: For program point L1129(lines 1129 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,112 INFO L274 CegarLoopResult]: For program point L1063(lines 1063 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,112 INFO L274 CegarLoopResult]: For program point L865(lines 865 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,113 INFO L274 CegarLoopResult]: For program point L667(lines 667 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,113 INFO L274 CegarLoopResult]: For program point L1592(line 1592) no Hoare annotation was computed. [2020-10-19 22:34:06,113 INFO L274 CegarLoopResult]: For program point L1526(line 1526) no Hoare annotation was computed. [2020-10-19 22:34:06,113 INFO L274 CegarLoopResult]: For program point L469(lines 469 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,113 INFO L274 CegarLoopResult]: For program point L1328(lines 1328 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,113 INFO L274 CegarLoopResult]: For program point L470(lines 470 480) no Hoare annotation was computed. [2020-10-19 22:34:06,114 INFO L274 CegarLoopResult]: For program point L470-2(lines 470 480) no Hoare annotation was computed. [2020-10-19 22:34:06,114 INFO L274 CegarLoopResult]: For program point L735(lines 735 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,114 INFO L270 CegarLoopResult]: At program point L1660-2(lines 1660 1670) the Hoare annotation is: (let ((.cse1 (= ~a27~0 1)) (.cse4 (= ~a11~0 1)) (.cse0 (= ~a5~0 1)) (.cse3 (<= ~a26~0 0)) (.cse5 (= ~a3~0 0)) (.cse2 (<= ~a6~0 0))) (or (and .cse0 .cse1 (= ~a15~0 1) .cse2) (and .cse0 .cse3 .cse4 .cse2) (and .cse0 .cse1 .cse4 .cse2) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 (= ~a6~0 1)) (and .cse0 .cse2 (= ~a3~0 1)) (and (= ~a12~0 1) .cse0 (= ~a26~0 1) .cse2) (and .cse0 .cse5 .cse4 .cse2) (and .cse0 .cse3 .cse5 .cse2))) [2020-10-19 22:34:06,114 INFO L274 CegarLoopResult]: For program point L1594-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,114 INFO L274 CegarLoopResult]: For program point L1528-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,115 INFO L274 CegarLoopResult]: For program point L1462(lines 1462 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,115 INFO L274 CegarLoopResult]: For program point L75(lines 75 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,115 INFO L274 CegarLoopResult]: For program point L1595(line 1595) no Hoare annotation was computed. [2020-10-19 22:34:06,115 INFO L274 CegarLoopResult]: For program point L1529(line 1529) no Hoare annotation was computed. [2020-10-19 22:34:06,115 INFO L274 CegarLoopResult]: For program point L605(lines 605 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,116 INFO L274 CegarLoopResult]: For program point L407(lines 407 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,116 INFO L274 CegarLoopResult]: For program point L341(lines 341 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,116 INFO L274 CegarLoopResult]: For program point L1134(lines 1134 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,116 INFO L274 CegarLoopResult]: For program point L1068(lines 1068 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,116 INFO L274 CegarLoopResult]: For program point L870(lines 870 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,116 INFO L274 CegarLoopResult]: For program point L1597-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,117 INFO L274 CegarLoopResult]: For program point L1531-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,117 INFO L274 CegarLoopResult]: For program point L871(lines 871 889) no Hoare annotation was computed. [2020-10-19 22:34:06,117 INFO L274 CegarLoopResult]: For program point L871-2(lines 871 889) no Hoare annotation was computed. [2020-10-19 22:34:06,117 INFO L274 CegarLoopResult]: For program point L1598(line 1598) no Hoare annotation was computed. [2020-10-19 22:34:06,117 INFO L274 CegarLoopResult]: For program point L541(lines 541 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,117 INFO L274 CegarLoopResult]: For program point L1532(line 1532) no Hoare annotation was computed. [2020-10-19 22:34:06,118 INFO L274 CegarLoopResult]: For program point L1202(lines 1202 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,118 INFO L274 CegarLoopResult]: For program point L806(lines 806 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,118 INFO L274 CegarLoopResult]: For program point L1665(line 1665) no Hoare annotation was computed. [2020-10-19 22:34:06,118 INFO L274 CegarLoopResult]: For program point L278(lines 278 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,118 INFO L274 CegarLoopResult]: For program point L1005(lines 1005 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,118 INFO L274 CegarLoopResult]: For program point L939(lines 939 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,119 INFO L274 CegarLoopResult]: For program point L1600-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,119 INFO L274 CegarLoopResult]: For program point L1534-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,119 INFO L274 CegarLoopResult]: For program point L1468(lines 1468 1470) no Hoare annotation was computed. [2020-10-19 22:34:06,119 INFO L274 CegarLoopResult]: For program point L1468-2(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,119 INFO L274 CegarLoopResult]: For program point L1601(line 1601) no Hoare annotation was computed. [2020-10-19 22:34:06,119 INFO L274 CegarLoopResult]: For program point L1535(line 1535) no Hoare annotation was computed. [2020-10-19 22:34:06,119 INFO L274 CegarLoopResult]: For program point L1469(line 1469) no Hoare annotation was computed. [2020-10-19 22:34:06,120 INFO L274 CegarLoopResult]: For program point L148(lines 148 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,120 INFO L274 CegarLoopResult]: For program point L677(lines 677 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,120 INFO L274 CegarLoopResult]: For program point L1404(lines 1404 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,120 INFO L274 CegarLoopResult]: For program point L1338(lines 1338 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,120 INFO L274 CegarLoopResult]: For program point L215(lines 215 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,120 INFO L274 CegarLoopResult]: For program point L1603-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,121 INFO L274 CegarLoopResult]: For program point L1537-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,121 INFO L274 CegarLoopResult]: For program point L1471-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,121 INFO L274 CegarLoopResult]: For program point L1405(lines 1405 1423) no Hoare annotation was computed. [2020-10-19 22:34:06,121 INFO L274 CegarLoopResult]: For program point L1405-2(lines 1405 1423) no Hoare annotation was computed. [2020-10-19 22:34:06,121 INFO L274 CegarLoopResult]: For program point L84(lines 84 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,121 INFO L274 CegarLoopResult]: For program point L745(lines 745 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,121 INFO L274 CegarLoopResult]: For program point L1604(line 1604) no Hoare annotation was computed. [2020-10-19 22:34:06,122 INFO L274 CegarLoopResult]: For program point L1538(line 1538) no Hoare annotation was computed. [2020-10-19 22:34:06,122 INFO L274 CegarLoopResult]: For program point L1472(line 1472) no Hoare annotation was computed. [2020-10-19 22:34:06,122 INFO L274 CegarLoopResult]: For program point L1076(lines 1076 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,122 INFO L274 CegarLoopResult]: For program point L548(lines 548 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,122 INFO L274 CegarLoopResult]: For program point L482(lines 482 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,123 INFO L274 CegarLoopResult]: For program point L416(lines 416 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,123 INFO L274 CegarLoopResult]: For program point L350(lines 350 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,123 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 22:34:06,123 INFO L274 CegarLoopResult]: For program point L1606-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,123 INFO L274 CegarLoopResult]: For program point L1540-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,123 INFO L274 CegarLoopResult]: For program point L1474-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,124 INFO L274 CegarLoopResult]: For program point L1276(lines 1276 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,124 INFO L274 CegarLoopResult]: For program point L1144(lines 1144 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,124 INFO L274 CegarLoopResult]: For program point L616(lines 616 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,124 INFO L274 CegarLoopResult]: For program point L1607(line 1607) no Hoare annotation was computed. [2020-10-19 22:34:06,124 INFO L274 CegarLoopResult]: For program point L1541(line 1541) no Hoare annotation was computed. [2020-10-19 22:34:06,125 INFO L274 CegarLoopResult]: For program point L1475(line 1475) no Hoare annotation was computed. [2020-10-19 22:34:06,125 INFO L274 CegarLoopResult]: For program point L286(lines 286 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,126 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,126 INFO L274 CegarLoopResult]: For program point L815(lines 815 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,126 INFO L274 CegarLoopResult]: For program point L1212(lines 1212 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,126 INFO L274 CegarLoopResult]: For program point L1609-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,127 INFO L274 CegarLoopResult]: For program point L1543-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,127 INFO L274 CegarLoopResult]: For program point L1477-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,127 INFO L274 CegarLoopResult]: For program point L1213(lines 1213 1226) no Hoare annotation was computed. [2020-10-19 22:34:06,128 INFO L274 CegarLoopResult]: For program point L1213-2(lines 1213 1226) no Hoare annotation was computed. [2020-10-19 22:34:06,128 INFO L274 CegarLoopResult]: For program point L949(lines 949 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,129 INFO L274 CegarLoopResult]: For program point L1610(line 1610) no Hoare annotation was computed. [2020-10-19 22:34:06,129 INFO L274 CegarLoopResult]: For program point L1544(line 1544) no Hoare annotation was computed. [2020-10-19 22:34:06,130 INFO L274 CegarLoopResult]: For program point L1478(line 1478) no Hoare annotation was computed. [2020-10-19 22:34:06,130 INFO L274 CegarLoopResult]: For program point L1346(lines 1346 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,130 INFO L274 CegarLoopResult]: For program point L157(lines 157 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,130 INFO L274 CegarLoopResult]: For program point L91(lines 91 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,130 INFO L274 CegarLoopResult]: For program point L686(lines 686 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,130 INFO L274 CegarLoopResult]: For program point L224(lines 224 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,131 INFO L274 CegarLoopResult]: For program point L687(lines 687 701) no Hoare annotation was computed. [2020-10-19 22:34:06,131 INFO L274 CegarLoopResult]: For program point L687-2(lines 687 701) no Hoare annotation was computed. [2020-10-19 22:34:06,131 INFO L274 CegarLoopResult]: For program point L1612-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,131 INFO L274 CegarLoopResult]: For program point L1546-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,131 INFO L274 CegarLoopResult]: For program point L1480-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,132 INFO L274 CegarLoopResult]: For program point L1613(line 1613) no Hoare annotation was computed. [2020-10-19 22:34:06,132 INFO L274 CegarLoopResult]: For program point L1547(line 1547) no Hoare annotation was computed. [2020-10-19 22:34:06,132 INFO L274 CegarLoopResult]: For program point L490(lines 490 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,132 INFO L274 CegarLoopResult]: For program point L1481(line 1481) no Hoare annotation was computed. [2020-10-19 22:34:06,132 INFO L274 CegarLoopResult]: For program point L424(lines 424 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,133 INFO L274 CegarLoopResult]: For program point L358(lines 358 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,133 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 22:34:06,133 INFO L274 CegarLoopResult]: For program point L755(lines 755 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,133 INFO L274 CegarLoopResult]: For program point L624(lines 624 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,133 INFO L274 CegarLoopResult]: For program point L558(lines 558 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,134 INFO L274 CegarLoopResult]: For program point L1615-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,134 INFO L274 CegarLoopResult]: For program point L1549-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,134 INFO L274 CegarLoopResult]: For program point L1483-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,134 INFO L274 CegarLoopResult]: For program point L294(lines 294 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,134 INFO L274 CegarLoopResult]: For program point L1285(lines 1285 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,135 INFO L274 CegarLoopResult]: For program point L1616(line 1616) no Hoare annotation was computed. [2020-10-19 22:34:06,135 INFO L274 CegarLoopResult]: For program point L1550(line 1550) no Hoare annotation was computed. [2020-10-19 22:34:06,135 INFO L274 CegarLoopResult]: For program point L1484(line 1484) no Hoare annotation was computed. [2020-10-19 22:34:06,135 INFO L274 CegarLoopResult]: For program point L1352(lines 1352 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,135 INFO L274 CegarLoopResult]: For program point L1286(lines 1286 1305) no Hoare annotation was computed. [2020-10-19 22:34:06,136 INFO L274 CegarLoopResult]: For program point L1286-2(lines 1286 1305) no Hoare annotation was computed. [2020-10-19 22:34:06,136 INFO L274 CegarLoopResult]: For program point L1154(lines 1154 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,136 INFO L274 CegarLoopResult]: For program point L97(lines 97 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,136 INFO L274 CegarLoopResult]: For program point L1088(lines 1088 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,136 INFO L274 CegarLoopResult]: For program point L1023(lines 1023 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,137 INFO L274 CegarLoopResult]: For program point L957(lines 957 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,137 INFO L274 CegarLoopResult]: For program point L891(lines 891 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,137 INFO L274 CegarLoopResult]: For program point L1618-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,137 INFO L274 CegarLoopResult]: For program point L1552-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,137 INFO L274 CegarLoopResult]: For program point L1486-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:06,137 INFO L274 CegarLoopResult]: For program point L1619(line 1619) no Hoare annotation was computed. [2020-10-19 22:34:06,138 INFO L274 CegarLoopResult]: For program point L1553(line 1553) no Hoare annotation was computed. [2020-10-19 22:34:06,138 INFO L274 CegarLoopResult]: For program point L1487(line 1487) no Hoare annotation was computed. [2020-10-19 22:34:06,138 INFO L274 CegarLoopResult]: For program point L166(lines 166 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,138 INFO L274 CegarLoopResult]: For program point L827(lines 827 1467) no Hoare annotation was computed. [2020-10-19 22:34:06,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:34:06 BoogieIcfgContainer [2020-10-19 22:34:06,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:34:06,178 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:34:06,179 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:34:06,179 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:34:06,180 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:33:46" (3/4) ... [2020-10-19 22:34:06,183 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 22:34:06,224 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 22:34:06,228 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 22:34:06,231 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:34:06,234 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:34:06,537 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 22:34:06,537 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:34:06,540 INFO L168 Benchmark]: Toolchain (without parser) took 23648.92 ms. Allocated memory was 36.7 MB in the beginning and 316.1 MB in the end (delta: 279.4 MB). Free memory was 14.8 MB in the beginning and 52.6 MB in the end (delta: -37.7 MB). Peak memory consumption was 241.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:34:06,541 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 34.6 MB. Free memory was 12.9 MB in the beginning and 12.9 MB in the end (delta: 68.4 kB). Peak memory consumption was 68.4 kB. Max. memory is 14.3 GB. [2020-10-19 22:34:06,542 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1223.29 ms. Allocated memory was 36.7 MB in the beginning and 50.3 MB in the end (delta: 13.6 MB). Free memory was 14.0 MB in the beginning and 22.3 MB in the end (delta: -8.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 14.3 GB. [2020-10-19 22:34:06,542 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.23 ms. Allocated memory is still 50.3 MB. Free memory was 22.3 MB in the beginning and 7.3 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 14.3 GB. [2020-10-19 22:34:06,543 INFO L168 Benchmark]: Boogie Preprocessor took 325.89 ms. Allocated memory was 50.3 MB in the beginning and 63.4 MB in the end (delta: 13.1 MB). Free memory was 7.3 MB in the beginning and 27.7 MB in the end (delta: -20.3 MB). Peak memory consumption was 8.8 MB. Max. memory is 14.3 GB. [2020-10-19 22:34:06,543 INFO L168 Benchmark]: RCFGBuilder took 2156.98 ms. Allocated memory was 63.4 MB in the beginning and 94.4 MB in the end (delta: 30.9 MB). Free memory was 27.7 MB in the beginning and 45.7 MB in the end (delta: -18.1 MB). Peak memory consumption was 43.4 MB. Max. memory is 14.3 GB. [2020-10-19 22:34:06,544 INFO L168 Benchmark]: TraceAbstraction took 19434.59 ms. Allocated memory was 94.4 MB in the beginning and 316.1 MB in the end (delta: 221.8 MB). Free memory was 45.0 MB in the beginning and 100.5 MB in the end (delta: -55.5 MB). Peak memory consumption was 166.3 MB. Max. memory is 14.3 GB. [2020-10-19 22:34:06,544 INFO L168 Benchmark]: Witness Printer took 358.95 ms. Allocated memory is still 316.1 MB. Free memory was 100.5 MB in the beginning and 52.6 MB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 14.3 GB. [2020-10-19 22:34:06,548 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 34.6 MB. Free memory was 12.9 MB in the beginning and 12.9 MB in the end (delta: 68.4 kB). Peak memory consumption was 68.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1223.29 ms. Allocated memory was 36.7 MB in the beginning and 50.3 MB in the end (delta: 13.6 MB). Free memory was 14.0 MB in the beginning and 22.3 MB in the end (delta: -8.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 136.23 ms. Allocated memory is still 50.3 MB. Free memory was 22.3 MB in the beginning and 7.3 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 325.89 ms. Allocated memory was 50.3 MB in the beginning and 63.4 MB in the end (delta: 13.1 MB). Free memory was 7.3 MB in the beginning and 27.7 MB in the end (delta: -20.3 MB). Peak memory consumption was 8.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 2156.98 ms. Allocated memory was 63.4 MB in the beginning and 94.4 MB in the end (delta: 30.9 MB). Free memory was 27.7 MB in the beginning and 45.7 MB in the end (delta: -18.1 MB). Peak memory consumption was 43.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 19434.59 ms. Allocated memory was 94.4 MB in the beginning and 316.1 MB in the end (delta: 221.8 MB). Free memory was 45.0 MB in the beginning and 100.5 MB in the end (delta: -55.5 MB). Peak memory consumption was 166.3 MB. Max. memory is 14.3 GB. * Witness Printer took 358.95 ms. Allocated memory is still 316.1 MB. Free memory was 100.5 MB in the beginning and 52.6 MB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 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: 56]: Loop Invariant Derived loop invariant: ((((((((((a5 == 1 && a27 == 1) && a15 == 1) && a6 <= 0) || (((a5 == 1 && a26 <= 0) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && a27 == 1) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && a27 == 1) && a26 <= 0) && a6 <= 0)) || (a5 == 1 && a6 == 1)) || ((a5 == 1 && a6 <= 0) && a3 == 1)) || (((a12 == 1 && a5 == 1) && a26 == 1) && a6 <= 0)) || (((a5 == 1 && a3 == 0) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && a26 <= 0) && a3 == 0) && a6 <= 0) - InvariantResult [Line: 1654]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1660]: Loop Invariant Derived loop invariant: ((((((((((a5 == 1 && a27 == 1) && a15 == 1) && a6 <= 0) || (((a5 == 1 && a26 <= 0) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && a27 == 1) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && a27 == 1) && a26 <= 0) && a6 <= 0)) || (a5 == 1 && a6 == 1)) || ((a5 == 1 && a6 <= 0) && a3 == 1)) || (((a12 == 1 && a5 == 1) && a26 == 1) && a6 <= 0)) || (((a5 == 1 && a3 == 0) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && a26 <= 0) && a3 == 0) && a6 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 303 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.9s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 13.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2108 SDtfs, 2599 SDslu, 222 SDs, 0 SdLazy, 6438 SolverSat, 1467 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 563 GetRequests, 547 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17303occurred in iteration=10, 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, 11 MinimizatonAttempts, 44 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 231 NumberOfFragments, 219 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3796 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 3161 NumberOfCodeBlocks, 3161 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3148 ConstructedInterpolants, 0 QuantifiedInterpolants, 1385109 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1030 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 1151/1163 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...