./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem03_label46.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_label46.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 c808068406b0589a26c85a3901316c4ac04c425a ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:34:44,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:34:44,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:34:44,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:34:44,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:34:44,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:34:44,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:34:44,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:34:44,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:34:44,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:34:44,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:34:44,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:34:44,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:34:44,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:34:44,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:34:44,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:34:44,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:34:44,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:34:44,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:34:44,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:34:44,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:34:44,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:34:44,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:34:44,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:34:44,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:34:44,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:34:44,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:34:44,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:34:44,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:34:44,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:34:44,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:34:44,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:34:44,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:34:44,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:34:44,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:34:44,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:34:44,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:34:44,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:34:44,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:34:44,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:34:44,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:34:44,506 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 22:34:44,536 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:34:44,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:34:44,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:34:44,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:34:44,538 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:34:44,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:34:44,539 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:34:44,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 22:34:44,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:34:44,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:34:44,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:34:44,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:34:44,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:34:44,542 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:34:44,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:34:44,542 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:34:44,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:34:44,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:34:44,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:34:44,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:34:44,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:34:44,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:34:44,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:34:44,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:34:44,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:34:44,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 22:34:44,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 22:34:44,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:34:44,546 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:34:44,547 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 -> c808068406b0589a26c85a3901316c4ac04c425a [2020-10-19 22:34:44,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:34:44,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:34:44,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:34:44,782 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:34:44,782 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:34:44,783 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label46.c [2020-10-19 22:34:44,844 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/176689111/2029f0a00f794cebbe8886f3e4de3b2f/FLAG401beb01f [2020-10-19 22:34:45,601 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:34:45,603 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label46.c [2020-10-19 22:34:45,624 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/176689111/2029f0a00f794cebbe8886f3e4de3b2f/FLAG401beb01f [2020-10-19 22:34:45,838 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/176689111/2029f0a00f794cebbe8886f3e4de3b2f [2020-10-19 22:34:45,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:34:45,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:34:45,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:34:45,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:34:45,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:34:45,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:34:45" (1/1) ... [2020-10-19 22:34:45,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f66fc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:45, skipping insertion in model container [2020-10-19 22:34:45,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:34:45" (1/1) ... [2020-10-19 22:34:45,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:34:45,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:34:46,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:34:46,635 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:34:47,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:34:47,107 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:34:47,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:47 WrapperNode [2020-10-19 22:34:47,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:34:47,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:34:47,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:34:47,109 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:34:47,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:47" (1/1) ... [2020-10-19 22:34:47,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:47" (1/1) ... [2020-10-19 22:34:47,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:34:47,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:34:47,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:34:47,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:34:47,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:47" (1/1) ... [2020-10-19 22:34:47,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:47" (1/1) ... [2020-10-19 22:34:47,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:47" (1/1) ... [2020-10-19 22:34:47,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:47" (1/1) ... [2020-10-19 22:34:47,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:47" (1/1) ... [2020-10-19 22:34:47,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:47" (1/1) ... [2020-10-19 22:34:47,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:47" (1/1) ... [2020-10-19 22:34:47,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:34:47,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:34:47,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:34:47,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:34:47,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:47" (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 22:34:47,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 22:34:47,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:34:47,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:34:47,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:34:49,919 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:34:49,919 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 22:34:49,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:34:49 BoogieIcfgContainer [2020-10-19 22:34:49,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:34:49,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:34:49,925 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:34:49,929 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:34:49,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:34:45" (1/3) ... [2020-10-19 22:34:49,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b6ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:34:49, skipping insertion in model container [2020-10-19 22:34:49,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:47" (2/3) ... [2020-10-19 22:34:49,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b6ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:34:49, skipping insertion in model container [2020-10-19 22:34:49,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:34:49" (3/3) ... [2020-10-19 22:34:49,934 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label46.c [2020-10-19 22:34:49,946 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:34:49,955 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:34:49,971 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:34:50,000 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:34:50,001 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:34:50,001 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:34:50,001 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:34:50,002 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:34:50,002 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:34:50,002 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:34:50,002 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:34:50,025 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2020-10-19 22:34:50,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-19 22:34:50,042 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:50,044 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:34:50,044 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:50,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:50,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1730728613, now seen corresponding path program 1 times [2020-10-19 22:34:50,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:50,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190868747] [2020-10-19 22:34:50,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:50,764 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 22:34:50,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190868747] [2020-10-19 22:34:50,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:50,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:34:50,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026582379] [2020-10-19 22:34:50,774 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:50,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:50,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:50,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:50,791 INFO L87 Difference]: Start difference. First operand 303 states. Second operand 3 states. [2020-10-19 22:34:52,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:52,115 INFO L93 Difference]: Finished difference Result 856 states and 1497 transitions. [2020-10-19 22:34:52,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:52,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2020-10-19 22:34:52,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:52,138 INFO L225 Difference]: With dead ends: 856 [2020-10-19 22:34:52,138 INFO L226 Difference]: Without dead ends: 460 [2020-10-19 22:34:52,144 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 22:34:52,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-10-19 22:34:52,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 459. [2020-10-19 22:34:52,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2020-10-19 22:34:52,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 710 transitions. [2020-10-19 22:34:52,221 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 710 transitions. Word has length 185 [2020-10-19 22:34:52,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:52,223 INFO L481 AbstractCegarLoop]: Abstraction has 459 states and 710 transitions. [2020-10-19 22:34:52,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:52,223 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 710 transitions. [2020-10-19 22:34:52,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-19 22:34:52,228 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:52,232 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:34:52,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 22:34:52,233 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:52,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:52,234 INFO L82 PathProgramCache]: Analyzing trace with hash -2082065335, now seen corresponding path program 1 times [2020-10-19 22:34:52,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:52,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71970487] [2020-10-19 22:34:52,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:52,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:34:52,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71970487] [2020-10-19 22:34:52,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:52,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:34:52,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547749434] [2020-10-19 22:34:52,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:52,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:52,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:52,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:52,425 INFO L87 Difference]: Start difference. First operand 459 states and 710 transitions. Second operand 3 states. [2020-10-19 22:34:53,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:53,582 INFO L93 Difference]: Finished difference Result 1342 states and 2082 transitions. [2020-10-19 22:34:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:53,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2020-10-19 22:34:53,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:53,588 INFO L225 Difference]: With dead ends: 1342 [2020-10-19 22:34:53,589 INFO L226 Difference]: Without dead ends: 885 [2020-10-19 22:34:53,590 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 22:34:53,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2020-10-19 22:34:53,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 880. [2020-10-19 22:34:53,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2020-10-19 22:34:53,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1291 transitions. [2020-10-19 22:34:53,642 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1291 transitions. Word has length 190 [2020-10-19 22:34:53,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:53,643 INFO L481 AbstractCegarLoop]: Abstraction has 880 states and 1291 transitions. [2020-10-19 22:34:53,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:53,643 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1291 transitions. [2020-10-19 22:34:53,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-19 22:34:53,651 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:53,651 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:34:53,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 22:34:53,652 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:53,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:53,652 INFO L82 PathProgramCache]: Analyzing trace with hash 371071578, now seen corresponding path program 1 times [2020-10-19 22:34:53,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:53,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056386911] [2020-10-19 22:34:53,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:53,744 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 22:34:53,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056386911] [2020-10-19 22:34:53,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:53,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:34:53,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846908517] [2020-10-19 22:34:53,746 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:53,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:53,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:53,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:53,748 INFO L87 Difference]: Start difference. First operand 880 states and 1291 transitions. Second operand 3 states. [2020-10-19 22:34:55,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:55,270 INFO L93 Difference]: Finished difference Result 2594 states and 3822 transitions. [2020-10-19 22:34:55,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:55,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2020-10-19 22:34:55,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:55,285 INFO L225 Difference]: With dead ends: 2594 [2020-10-19 22:34:55,286 INFO L226 Difference]: Without dead ends: 1716 [2020-10-19 22:34:55,292 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 22:34:55,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2020-10-19 22:34:55,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1696. [2020-10-19 22:34:55,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1696 states. [2020-10-19 22:34:55,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2438 transitions. [2020-10-19 22:34:55,386 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2438 transitions. Word has length 193 [2020-10-19 22:34:55,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:55,389 INFO L481 AbstractCegarLoop]: Abstraction has 1696 states and 2438 transitions. [2020-10-19 22:34:55,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:55,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2438 transitions. [2020-10-19 22:34:55,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-19 22:34:55,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:55,411 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:34:55,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 22:34:55,412 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:55,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:55,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1665589225, now seen corresponding path program 1 times [2020-10-19 22:34:55,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:55,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906416521] [2020-10-19 22:34:55,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:55,595 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 22:34:55,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906416521] [2020-10-19 22:34:55,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:55,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:34:55,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774345521] [2020-10-19 22:34:55,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:55,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:55,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:55,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:55,599 INFO L87 Difference]: Start difference. First operand 1696 states and 2438 transitions. Second operand 3 states. [2020-10-19 22:34:56,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:56,608 INFO L93 Difference]: Finished difference Result 3384 states and 4865 transitions. [2020-10-19 22:34:56,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:56,609 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 205 [2020-10-19 22:34:56,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:56,618 INFO L225 Difference]: With dead ends: 3384 [2020-10-19 22:34:56,618 INFO L226 Difference]: Without dead ends: 1690 [2020-10-19 22:34:56,620 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 22:34:56,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2020-10-19 22:34:56,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1689. [2020-10-19 22:34:56,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1689 states. [2020-10-19 22:34:56,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1689 states and 2247 transitions. [2020-10-19 22:34:56,656 INFO L78 Accepts]: Start accepts. Automaton has 1689 states and 2247 transitions. Word has length 205 [2020-10-19 22:34:56,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:56,656 INFO L481 AbstractCegarLoop]: Abstraction has 1689 states and 2247 transitions. [2020-10-19 22:34:56,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:56,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 2247 transitions. [2020-10-19 22:34:56,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-19 22:34:56,662 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:56,662 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:34:56,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 22:34:56,663 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:56,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:56,663 INFO L82 PathProgramCache]: Analyzing trace with hash 34364197, now seen corresponding path program 1 times [2020-10-19 22:34:56,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:56,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759837497] [2020-10-19 22:34:56,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:56,767 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-19 22:34:56,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759837497] [2020-10-19 22:34:56,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:56,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:34:56,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244760798] [2020-10-19 22:34:56,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:56,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:56,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:56,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:56,770 INFO L87 Difference]: Start difference. First operand 1689 states and 2247 transitions. Second operand 3 states. [2020-10-19 22:34:57,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:57,844 INFO L93 Difference]: Finished difference Result 5003 states and 6659 transitions. [2020-10-19 22:34:57,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:57,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2020-10-19 22:34:57,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:57,860 INFO L225 Difference]: With dead ends: 5003 [2020-10-19 22:34:57,860 INFO L226 Difference]: Without dead ends: 3316 [2020-10-19 22:34:57,863 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 22:34:57,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3316 states. [2020-10-19 22:34:57,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3316 to 3313. [2020-10-19 22:34:57,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3313 states. [2020-10-19 22:34:57,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3313 states to 3313 states and 4059 transitions. [2020-10-19 22:34:57,928 INFO L78 Accepts]: Start accepts. Automaton has 3313 states and 4059 transitions. Word has length 211 [2020-10-19 22:34:57,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:57,928 INFO L481 AbstractCegarLoop]: Abstraction has 3313 states and 4059 transitions. [2020-10-19 22:34:57,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:57,929 INFO L276 IsEmpty]: Start isEmpty. Operand 3313 states and 4059 transitions. [2020-10-19 22:34:57,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-19 22:34:57,936 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:57,936 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:34:57,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 22:34:57,937 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:57,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:57,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1512504601, now seen corresponding path program 1 times [2020-10-19 22:34:57,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:57,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715189316] [2020-10-19 22:34:57,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:58,059 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-19 22:34:58,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715189316] [2020-10-19 22:34:58,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:58,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:34:58,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438248586] [2020-10-19 22:34:58,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:58,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:58,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:58,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:58,063 INFO L87 Difference]: Start difference. First operand 3313 states and 4059 transitions. Second operand 3 states. [2020-10-19 22:34:58,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:58,640 INFO L93 Difference]: Finished difference Result 6592 states and 8073 transitions. [2020-10-19 22:34:58,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:58,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 220 [2020-10-19 22:34:58,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:58,655 INFO L225 Difference]: With dead ends: 6592 [2020-10-19 22:34:58,656 INFO L226 Difference]: Without dead ends: 3281 [2020-10-19 22:34:58,660 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 22:34:58,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3281 states. [2020-10-19 22:34:58,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3281 to 3281. [2020-10-19 22:34:58,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3281 states. [2020-10-19 22:34:58,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3281 states to 3281 states and 3924 transitions. [2020-10-19 22:34:58,720 INFO L78 Accepts]: Start accepts. Automaton has 3281 states and 3924 transitions. Word has length 220 [2020-10-19 22:34:58,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:58,720 INFO L481 AbstractCegarLoop]: Abstraction has 3281 states and 3924 transitions. [2020-10-19 22:34:58,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:58,721 INFO L276 IsEmpty]: Start isEmpty. Operand 3281 states and 3924 transitions. [2020-10-19 22:34:58,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-19 22:34:58,728 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:58,729 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:34:58,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 22:34:58,729 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:58,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:58,730 INFO L82 PathProgramCache]: Analyzing trace with hash 624868714, now seen corresponding path program 1 times [2020-10-19 22:34:58,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:58,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888981847] [2020-10-19 22:34:58,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:58,883 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:34:58,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888981847] [2020-10-19 22:34:58,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:58,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:34:58,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469626156] [2020-10-19 22:34:58,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:58,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:58,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:58,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:58,887 INFO L87 Difference]: Start difference. First operand 3281 states and 3924 transitions. Second operand 3 states. [2020-10-19 22:34:59,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:59,933 INFO L93 Difference]: Finished difference Result 8194 states and 9781 transitions. [2020-10-19 22:34:59,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:59,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2020-10-19 22:34:59,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:59,954 INFO L225 Difference]: With dead ends: 8194 [2020-10-19 22:34:59,955 INFO L226 Difference]: Without dead ends: 4915 [2020-10-19 22:34:59,961 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 22:34:59,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4915 states. [2020-10-19 22:35:00,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4915 to 4914. [2020-10-19 22:35:00,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4914 states. [2020-10-19 22:35:00,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4914 states to 4914 states and 5809 transitions. [2020-10-19 22:35:00,067 INFO L78 Accepts]: Start accepts. Automaton has 4914 states and 5809 transitions. Word has length 226 [2020-10-19 22:35:00,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:35:00,068 INFO L481 AbstractCegarLoop]: Abstraction has 4914 states and 5809 transitions. [2020-10-19 22:35:00,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:35:00,068 INFO L276 IsEmpty]: Start isEmpty. Operand 4914 states and 5809 transitions. [2020-10-19 22:35:00,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-19 22:35:00,078 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:35:00,079 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:35:00,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 22:35:00,079 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:35:00,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:35:00,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1429346647, now seen corresponding path program 1 times [2020-10-19 22:35:00,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:35:00,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25765176] [2020-10-19 22:35:00,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:35:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:35:00,480 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:35:00,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25765176] [2020-10-19 22:35:00,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:35:00,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:35:00,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807987435] [2020-10-19 22:35:00,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 22:35:00,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:35:00,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 22:35:00,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 22:35:00,484 INFO L87 Difference]: Start difference. First operand 4914 states and 5809 transitions. Second operand 4 states. [2020-10-19 22:35:02,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:35:02,017 INFO L93 Difference]: Finished difference Result 13277 states and 16095 transitions. [2020-10-19 22:35:02,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 22:35:02,024 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 233 [2020-10-19 22:35:02,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:35:02,058 INFO L225 Difference]: With dead ends: 13277 [2020-10-19 22:35:02,058 INFO L226 Difference]: Without dead ends: 8365 [2020-10-19 22:35:02,064 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 22:35:02,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8365 states. [2020-10-19 22:35:02,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8365 to 7756. [2020-10-19 22:35:02,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7756 states. [2020-10-19 22:35:02,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7756 states to 7756 states and 8903 transitions. [2020-10-19 22:35:02,199 INFO L78 Accepts]: Start accepts. Automaton has 7756 states and 8903 transitions. Word has length 233 [2020-10-19 22:35:02,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:35:02,200 INFO L481 AbstractCegarLoop]: Abstraction has 7756 states and 8903 transitions. [2020-10-19 22:35:02,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 22:35:02,200 INFO L276 IsEmpty]: Start isEmpty. Operand 7756 states and 8903 transitions. [2020-10-19 22:35:02,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-10-19 22:35:02,215 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:35:02,216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:35:02,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 22:35:02,217 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:35:02,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:35:02,217 INFO L82 PathProgramCache]: Analyzing trace with hash 626324927, now seen corresponding path program 1 times [2020-10-19 22:35:02,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:35:02,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800372079] [2020-10-19 22:35:02,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:35:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:35:02,384 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 68 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-19 22:35:02,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800372079] [2020-10-19 22:35:02,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754268185] [2020-10-19 22:35:02,389 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 22:35:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:35:02,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 22:35:02,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:35:02,709 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-19 22:35:02,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:35:02,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:35:02,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935134177] [2020-10-19 22:35:02,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:35:02,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:35:02,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:35:02,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:35:02,712 INFO L87 Difference]: Start difference. First operand 7756 states and 8903 transitions. Second operand 3 states. [2020-10-19 22:35:03,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:35:03,726 INFO L93 Difference]: Finished difference Result 14697 states and 16869 transitions. [2020-10-19 22:35:03,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:35:03,726 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 261 [2020-10-19 22:35:03,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:35:03,756 INFO L225 Difference]: With dead ends: 14697 [2020-10-19 22:35:03,756 INFO L226 Difference]: Without dead ends: 6943 [2020-10-19 22:35:03,764 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 260 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 22:35:03,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6943 states. [2020-10-19 22:35:03,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6943 to 6940. [2020-10-19 22:35:03,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6940 states. [2020-10-19 22:35:04,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6940 states to 6940 states and 7763 transitions. [2020-10-19 22:35:04,185 INFO L78 Accepts]: Start accepts. Automaton has 6940 states and 7763 transitions. Word has length 261 [2020-10-19 22:35:04,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:35:04,186 INFO L481 AbstractCegarLoop]: Abstraction has 6940 states and 7763 transitions. [2020-10-19 22:35:04,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:35:04,186 INFO L276 IsEmpty]: Start isEmpty. Operand 6940 states and 7763 transitions. [2020-10-19 22:35:04,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-10-19 22:35:04,199 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:35:04,200 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:35:04,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-10-19 22:35:04,414 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:35:04,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:35:04,415 INFO L82 PathProgramCache]: Analyzing trace with hash 276701140, now seen corresponding path program 1 times [2020-10-19 22:35:04,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:35:04,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419987009] [2020-10-19 22:35:04,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:35:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:35:04,626 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-19 22:35:04,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419987009] [2020-10-19 22:35:04,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:35:04,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:35:04,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440792035] [2020-10-19 22:35:04,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:35:04,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:35:04,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:35:04,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:35:04,631 INFO L87 Difference]: Start difference. First operand 6940 states and 7763 transitions. Second operand 3 states. [2020-10-19 22:35:05,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:35:05,828 INFO L93 Difference]: Finished difference Result 18355 states and 20517 transitions. [2020-10-19 22:35:05,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:35:05,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 280 [2020-10-19 22:35:05,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:35:05,871 INFO L225 Difference]: With dead ends: 18355 [2020-10-19 22:35:05,872 INFO L226 Difference]: Without dead ends: 11417 [2020-10-19 22:35:05,879 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 22:35:05,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11417 states. [2020-10-19 22:35:05,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11417 to 8564. [2020-10-19 22:35:05,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8564 states. [2020-10-19 22:35:06,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8564 states to 8564 states and 9609 transitions. [2020-10-19 22:35:06,005 INFO L78 Accepts]: Start accepts. Automaton has 8564 states and 9609 transitions. Word has length 280 [2020-10-19 22:35:06,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:35:06,005 INFO L481 AbstractCegarLoop]: Abstraction has 8564 states and 9609 transitions. [2020-10-19 22:35:06,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:35:06,005 INFO L276 IsEmpty]: Start isEmpty. Operand 8564 states and 9609 transitions. [2020-10-19 22:35:06,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-10-19 22:35:06,025 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:35:06,026 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 22:35:06,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 22:35:06,027 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:35:06,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:35:06,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1697962629, now seen corresponding path program 1 times [2020-10-19 22:35:06,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:35:06,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682102373] [2020-10-19 22:35:06,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:35:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:35:06,531 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 148 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-19 22:35:06,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682102373] [2020-10-19 22:35:06,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534748901] [2020-10-19 22:35:06,533 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 22:35:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:35:06,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 22:35:06,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:35:06,849 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-19 22:35:06,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:35:06,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-10-19 22:35:06,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220640809] [2020-10-19 22:35:06,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:35:06,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:35:06,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:35:06,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:35:06,856 INFO L87 Difference]: Start difference. First operand 8564 states and 9609 transitions. Second operand 3 states. [2020-10-19 22:35:07,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:35:07,334 INFO L93 Difference]: Finished difference Result 23026 states and 25866 transitions. [2020-10-19 22:35:07,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:35:07,335 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 336 [2020-10-19 22:35:07,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:35:07,359 INFO L225 Difference]: With dead ends: 23026 [2020-10-19 22:35:07,359 INFO L226 Difference]: Without dead ends: 14667 [2020-10-19 22:35:07,369 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 335 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 22:35:07,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14667 states. [2020-10-19 22:35:07,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14667 to 14665. [2020-10-19 22:35:07,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14665 states. [2020-10-19 22:35:07,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14665 states to 14665 states and 16471 transitions. [2020-10-19 22:35:07,633 INFO L78 Accepts]: Start accepts. Automaton has 14665 states and 16471 transitions. Word has length 336 [2020-10-19 22:35:07,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:35:07,634 INFO L481 AbstractCegarLoop]: Abstraction has 14665 states and 16471 transitions. [2020-10-19 22:35:07,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:35:07,640 INFO L276 IsEmpty]: Start isEmpty. Operand 14665 states and 16471 transitions. [2020-10-19 22:35:07,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-10-19 22:35:07,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:35:07,682 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:35:07,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:35:07,896 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:35:07,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:35:07,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1448192405, now seen corresponding path program 1 times [2020-10-19 22:35:07,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:35:07,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881054542] [2020-10-19 22:35:07,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:35:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:35:08,530 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:35:08,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881054542] [2020-10-19 22:35:08,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:35:08,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:35:08,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297586275] [2020-10-19 22:35:08,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 22:35:08,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:35:08,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 22:35:08,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 22:35:08,532 INFO L87 Difference]: Start difference. First operand 14665 states and 16471 transitions. Second operand 4 states. [2020-10-19 22:35:10,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:35:10,186 INFO L93 Difference]: Finished difference Result 32179 states and 36016 transitions. [2020-10-19 22:35:10,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 22:35:10,187 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 336 [2020-10-19 22:35:10,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:35:10,219 INFO L225 Difference]: With dead ends: 32179 [2020-10-19 22:35:10,219 INFO L226 Difference]: Without dead ends: 17718 [2020-10-19 22:35:10,236 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 22:35:10,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17718 states. [2020-10-19 22:35:10,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17718 to 17710. [2020-10-19 22:35:10,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17710 states. [2020-10-19 22:35:10,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17710 states to 17710 states and 19679 transitions. [2020-10-19 22:35:10,554 INFO L78 Accepts]: Start accepts. Automaton has 17710 states and 19679 transitions. Word has length 336 [2020-10-19 22:35:10,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:35:10,555 INFO L481 AbstractCegarLoop]: Abstraction has 17710 states and 19679 transitions. [2020-10-19 22:35:10,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 22:35:10,555 INFO L276 IsEmpty]: Start isEmpty. Operand 17710 states and 19679 transitions. [2020-10-19 22:35:10,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-10-19 22:35:10,593 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:35:10,594 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:35:10,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-19 22:35:10,595 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:35:10,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:35:10,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1050072889, now seen corresponding path program 1 times [2020-10-19 22:35:10,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:35:10,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903116418] [2020-10-19 22:35:10,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:35:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:35:10,831 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-10-19 22:35:10,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903116418] [2020-10-19 22:35:10,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:35:10,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:35:10,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507508334] [2020-10-19 22:35:10,838 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 22:35:10,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:35:10,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 22:35:10,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 22:35:10,839 INFO L87 Difference]: Start difference. First operand 17710 states and 19679 transitions. Second operand 4 states. [2020-10-19 22:35:12,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:35:12,594 INFO L93 Difference]: Finished difference Result 42540 states and 47088 transitions. [2020-10-19 22:35:12,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 22:35:12,594 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 342 [2020-10-19 22:35:12,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:35:12,632 INFO L225 Difference]: With dead ends: 42540 [2020-10-19 22:35:12,632 INFO L226 Difference]: Without dead ends: 25035 [2020-10-19 22:35:12,650 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 22:35:12,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25035 states. [2020-10-19 22:35:12,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25035 to 24418. [2020-10-19 22:35:12,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24418 states. [2020-10-19 22:35:13,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24418 states to 24418 states and 26759 transitions. [2020-10-19 22:35:13,024 INFO L78 Accepts]: Start accepts. Automaton has 24418 states and 26759 transitions. Word has length 342 [2020-10-19 22:35:13,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:35:13,024 INFO L481 AbstractCegarLoop]: Abstraction has 24418 states and 26759 transitions. [2020-10-19 22:35:13,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 22:35:13,024 INFO L276 IsEmpty]: Start isEmpty. Operand 24418 states and 26759 transitions. [2020-10-19 22:35:13,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2020-10-19 22:35:13,037 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:35:13,038 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:35:13,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-19 22:35:13,038 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:35:13,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:35:13,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1771748592, now seen corresponding path program 1 times [2020-10-19 22:35:13,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:35:13,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087050482] [2020-10-19 22:35:13,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:35:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:35:13,713 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2020-10-19 22:35:13,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087050482] [2020-10-19 22:35:13,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:35:13,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:35:13,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269228419] [2020-10-19 22:35:13,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:35:13,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:35:13,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:35:13,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:35:13,719 INFO L87 Difference]: Start difference. First operand 24418 states and 26759 transitions. Second operand 3 states. [2020-10-19 22:35:14,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:35:14,761 INFO L93 Difference]: Finished difference Result 50257 states and 55004 transitions. [2020-10-19 22:35:14,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:35:14,762 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 355 [2020-10-19 22:35:14,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:35:14,791 INFO L225 Difference]: With dead ends: 50257 [2020-10-19 22:35:14,791 INFO L226 Difference]: Without dead ends: 26044 [2020-10-19 22:35:14,811 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 22:35:14,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26044 states. [2020-10-19 22:35:15,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26044 to 26042. [2020-10-19 22:35:15,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26042 states. [2020-10-19 22:35:15,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26042 states to 26042 states and 28456 transitions. [2020-10-19 22:35:15,164 INFO L78 Accepts]: Start accepts. Automaton has 26042 states and 28456 transitions. Word has length 355 [2020-10-19 22:35:15,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:35:15,164 INFO L481 AbstractCegarLoop]: Abstraction has 26042 states and 28456 transitions. [2020-10-19 22:35:15,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:35:15,165 INFO L276 IsEmpty]: Start isEmpty. Operand 26042 states and 28456 transitions. [2020-10-19 22:35:15,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2020-10-19 22:35:15,185 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:35:15,186 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:35:15,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-19 22:35:15,186 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:35:15,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:35:15,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1068550973, now seen corresponding path program 1 times [2020-10-19 22:35:15,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:35:15,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195097383] [2020-10-19 22:35:15,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:35:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:35:15,477 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 127 proven. 6 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2020-10-19 22:35:15,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195097383] [2020-10-19 22:35:15,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589469342] [2020-10-19 22:35:15,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:35:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:35:15,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:35:15,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:35:15,886 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-19 22:35:15,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:35:15,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:35:15,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324282868] [2020-10-19 22:35:15,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:35:15,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:35:15,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:35:15,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:35:15,889 INFO L87 Difference]: Start difference. First operand 26042 states and 28456 transitions. Second operand 3 states. [2020-10-19 22:35:17,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:35:17,050 INFO L93 Difference]: Finished difference Result 59208 states and 64996 transitions. [2020-10-19 22:35:17,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:35:17,051 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 362 [2020-10-19 22:35:17,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:35:17,110 INFO L225 Difference]: With dead ends: 59208 [2020-10-19 22:35:17,111 INFO L226 Difference]: Without dead ends: 34995 [2020-10-19 22:35:17,134 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 361 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 22:35:17,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34995 states. [2020-10-19 22:35:18,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34995 to 28074. [2020-10-19 22:35:18,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28074 states. [2020-10-19 22:35:18,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28074 states to 28074 states and 30904 transitions. [2020-10-19 22:35:18,350 INFO L78 Accepts]: Start accepts. Automaton has 28074 states and 30904 transitions. Word has length 362 [2020-10-19 22:35:18,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:35:18,351 INFO L481 AbstractCegarLoop]: Abstraction has 28074 states and 30904 transitions. [2020-10-19 22:35:18,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:35:18,351 INFO L276 IsEmpty]: Start isEmpty. Operand 28074 states and 30904 transitions. [2020-10-19 22:35:18,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-10-19 22:35:18,395 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:35:18,396 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:35:18,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-10-19 22:35:18,610 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:35:18,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:35:18,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1024005253, now seen corresponding path program 1 times [2020-10-19 22:35:18,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:35:18,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110531750] [2020-10-19 22:35:18,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:35:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:35:19,105 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 102 proven. 6 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2020-10-19 22:35:19,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110531750] [2020-10-19 22:35:19,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730521697] [2020-10-19 22:35:19,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:35:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:35:19,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:35:19,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:35:19,670 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-19 22:35:19,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:35:19,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:35:19,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227247222] [2020-10-19 22:35:19,673 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:35:19,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:35:19,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:35:19,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:35:19,675 INFO L87 Difference]: Start difference. First operand 28074 states and 30904 transitions. Second operand 3 states. [2020-10-19 22:35:21,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:35:21,428 INFO L93 Difference]: Finished difference Result 54322 states and 59893 transitions. [2020-10-19 22:35:21,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:35:21,428 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 369 [2020-10-19 22:35:21,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:35:21,457 INFO L225 Difference]: With dead ends: 54322 [2020-10-19 22:35:21,457 INFO L226 Difference]: Without dead ends: 28077 [2020-10-19 22:35:21,475 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 368 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 22:35:21,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28077 states. [2020-10-19 22:35:21,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28077 to 27465. [2020-10-19 22:35:21,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27465 states. [2020-10-19 22:35:21,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27465 states to 27465 states and 30077 transitions. [2020-10-19 22:35:21,966 INFO L78 Accepts]: Start accepts. Automaton has 27465 states and 30077 transitions. Word has length 369 [2020-10-19 22:35:21,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:35:21,967 INFO L481 AbstractCegarLoop]: Abstraction has 27465 states and 30077 transitions. [2020-10-19 22:35:21,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:35:21,967 INFO L276 IsEmpty]: Start isEmpty. Operand 27465 states and 30077 transitions. [2020-10-19 22:35:21,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2020-10-19 22:35:21,995 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:35:21,997 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:35:22,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:35:22,211 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:35:22,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:35:22,211 INFO L82 PathProgramCache]: Analyzing trace with hash -1591995124, now seen corresponding path program 1 times [2020-10-19 22:35:22,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:35:22,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665958282] [2020-10-19 22:35:22,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:35:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:35:22,983 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 148 proven. 6 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2020-10-19 22:35:22,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665958282] [2020-10-19 22:35:22,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197619294] [2020-10-19 22:35:22,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:35:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:35:23,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:35:23,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:35:23,482 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2020-10-19 22:35:23,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:35:23,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:35:23,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535124726] [2020-10-19 22:35:23,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:35:23,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:35:23,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:35:23,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:35:23,484 INFO L87 Difference]: Start difference. First operand 27465 states and 30077 transitions. Second operand 3 states. [2020-10-19 22:35:24,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:35:24,671 INFO L93 Difference]: Finished difference Result 54124 states and 59274 transitions. [2020-10-19 22:35:24,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:35:24,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 495 [2020-10-19 22:35:24,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:35:24,710 INFO L225 Difference]: With dead ends: 54124 [2020-10-19 22:35:24,710 INFO L226 Difference]: Without dead ends: 27067 [2020-10-19 22:35:24,731 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 494 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 22:35:24,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27067 states. [2020-10-19 22:35:25,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27067 to 26653. [2020-10-19 22:35:25,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26653 states. [2020-10-19 22:35:25,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26653 states to 26653 states and 29018 transitions. [2020-10-19 22:35:25,430 INFO L78 Accepts]: Start accepts. Automaton has 26653 states and 29018 transitions. Word has length 495 [2020-10-19 22:35:25,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:35:25,431 INFO L481 AbstractCegarLoop]: Abstraction has 26653 states and 29018 transitions. [2020-10-19 22:35:25,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:35:25,431 INFO L276 IsEmpty]: Start isEmpty. Operand 26653 states and 29018 transitions. [2020-10-19 22:35:25,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2020-10-19 22:35:25,461 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:35:25,462 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:35:25,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-10-19 22:35:25,676 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:35:25,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:35:25,677 INFO L82 PathProgramCache]: Analyzing trace with hash 48332077, now seen corresponding path program 1 times [2020-10-19 22:35:25,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:35:25,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96828791] [2020-10-19 22:35:25,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:35:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:35:25,945 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 175 proven. 6 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2020-10-19 22:35:25,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96828791] [2020-10-19 22:35:25,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3712406] [2020-10-19 22:35:25,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:35:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:35:26,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 926 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 22:35:26,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:35:26,497 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 463 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2020-10-19 22:35:26,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:35:26,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:35:26,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964639212] [2020-10-19 22:35:26,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:35:26,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:35:26,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:35:26,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:35:26,504 INFO L87 Difference]: Start difference. First operand 26653 states and 29018 transitions. Second operand 3 states. [2020-10-19 22:35:28,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:35:28,638 INFO L93 Difference]: Finished difference Result 55962 states and 61033 transitions. [2020-10-19 22:35:28,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:35:28,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 511 [2020-10-19 22:35:28,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:35:28,686 INFO L225 Difference]: With dead ends: 55962 [2020-10-19 22:35:28,687 INFO L226 Difference]: Without dead ends: 29717 [2020-10-19 22:35:28,716 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 513 GetRequests, 510 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 22:35:28,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29717 states. [2020-10-19 22:35:29,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29717 to 29714. [2020-10-19 22:35:29,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29714 states. [2020-10-19 22:35:29,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29714 states to 29714 states and 32117 transitions. [2020-10-19 22:35:29,119 INFO L78 Accepts]: Start accepts. Automaton has 29714 states and 32117 transitions. Word has length 511 [2020-10-19 22:35:29,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:35:29,120 INFO L481 AbstractCegarLoop]: Abstraction has 29714 states and 32117 transitions. [2020-10-19 22:35:29,120 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:35:29,121 INFO L276 IsEmpty]: Start isEmpty. Operand 29714 states and 32117 transitions. [2020-10-19 22:35:29,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2020-10-19 22:35:29,149 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:35:29,149 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-19 22:35:29,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-10-19 22:35:29,363 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:35:29,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:35:29,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1311666016, now seen corresponding path program 1 times [2020-10-19 22:35:29,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:35:29,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941544160] [2020-10-19 22:35:29,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:35:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:35:29,777 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 185 proven. 6 refuted. 0 times theorem prover too weak. 654 trivial. 0 not checked. [2020-10-19 22:35:29,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941544160] [2020-10-19 22:35:29,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918941048] [2020-10-19 22:35:29,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:35:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:35:30,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 22:35:30,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:35:30,430 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 590 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-10-19 22:35:30,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:35:30,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:35:30,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687882159] [2020-10-19 22:35:30,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:35:30,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:35:30,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:35:30,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:35:30,434 INFO L87 Difference]: Start difference. First operand 29714 states and 32117 transitions. Second operand 3 states. [2020-10-19 22:35:32,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:35:32,947 INFO L93 Difference]: Finished difference Result 62479 states and 67698 transitions. [2020-10-19 22:35:32,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:35:32,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 547 [2020-10-19 22:35:32,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:35:32,948 INFO L225 Difference]: With dead ends: 62479 [2020-10-19 22:35:32,948 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 22:35:32,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 546 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 22:35:32,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 22:35:32,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 22:35:32,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 22:35:32,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 22:35:32,968 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 547 [2020-10-19 22:35:32,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:35:32,969 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 22:35:32,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:35:32,969 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 22:35:32,969 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 22:35:33,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:35:33,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 22:35:33,764 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 143 [2020-10-19 22:35:34,207 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 143 [2020-10-19 22:35:35,353 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 129 DAG size of output: 59 [2020-10-19 22:35:36,468 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 129 DAG size of output: 59 [2020-10-19 22:35:36,472 INFO L274 CegarLoopResult]: For program point L1621-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,472 INFO L274 CegarLoopResult]: For program point L1555-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,472 INFO L274 CegarLoopResult]: For program point L1489-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,473 INFO L274 CegarLoopResult]: For program point L763(lines 763 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,473 INFO L274 CegarLoopResult]: For program point L1622(line 1622) no Hoare annotation was computed. [2020-10-19 22:35:36,473 INFO L274 CegarLoopResult]: For program point L1556(line 1556) no Hoare annotation was computed. [2020-10-19 22:35:36,473 INFO L274 CegarLoopResult]: For program point L499(lines 499 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,473 INFO L274 CegarLoopResult]: For program point L1490(line 1490) no Hoare annotation was computed. [2020-10-19 22:35:36,473 INFO L274 CegarLoopResult]: For program point L235(lines 235 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,473 INFO L274 CegarLoopResult]: For program point L500(lines 500 513) no Hoare annotation was computed. [2020-10-19 22:35:36,473 INFO L274 CegarLoopResult]: For program point L500-2(lines 500 513) no Hoare annotation was computed. [2020-10-19 22:35:36,473 INFO L274 CegarLoopResult]: For program point L1425(lines 1425 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,473 INFO L274 CegarLoopResult]: For program point L368(lines 368 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,474 INFO L274 CegarLoopResult]: For program point L1624-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,474 INFO L274 CegarLoopResult]: For program point L1558-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,474 INFO L274 CegarLoopResult]: For program point L1492-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,474 INFO L274 CegarLoopResult]: For program point L303(lines 303 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,474 INFO L274 CegarLoopResult]: For program point L1228(lines 1228 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,474 INFO L274 CegarLoopResult]: For program point L1625(line 1625) no Hoare annotation was computed. [2020-10-19 22:35:36,475 INFO L274 CegarLoopResult]: For program point L568(lines 568 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,475 INFO L274 CegarLoopResult]: For program point L1559(line 1559) no Hoare annotation was computed. [2020-10-19 22:35:36,475 INFO L274 CegarLoopResult]: For program point L1493(line 1493) no Hoare annotation was computed. [2020-10-19 22:35:36,475 INFO L274 CegarLoopResult]: For program point L436(lines 436 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,475 INFO L274 CegarLoopResult]: For program point L1361(lines 1361 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,475 INFO L274 CegarLoopResult]: For program point L1097(lines 1097 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,476 INFO L274 CegarLoopResult]: For program point L635(lines 635 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,476 INFO L274 CegarLoopResult]: For program point L1362(lines 1362 1381) no Hoare annotation was computed. [2020-10-19 22:35:36,476 INFO L274 CegarLoopResult]: For program point L1362-2(lines 1362 1381) no Hoare annotation was computed. [2020-10-19 22:35:36,476 INFO L274 CegarLoopResult]: For program point L1164(lines 1164 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,476 INFO L274 CegarLoopResult]: For program point L107(lines 107 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,476 INFO L274 CegarLoopResult]: For program point L1627-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,476 INFO L274 CegarLoopResult]: For program point L1561-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,476 INFO L274 CegarLoopResult]: For program point L1495-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,476 INFO L274 CegarLoopResult]: For program point L240(lines 240 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,476 INFO L274 CegarLoopResult]: For program point L174(lines 174 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,476 INFO L274 CegarLoopResult]: For program point L1033(lines 1033 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,477 INFO L274 CegarLoopResult]: For program point L901(lines 901 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,477 INFO L274 CegarLoopResult]: For program point L703(lines 703 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,477 INFO L274 CegarLoopResult]: For program point L1628(line 1628) no Hoare annotation was computed. [2020-10-19 22:35:36,477 INFO L274 CegarLoopResult]: For program point L1562(line 1562) no Hoare annotation was computed. [2020-10-19 22:35:36,477 INFO L274 CegarLoopResult]: For program point L1496(line 1496) no Hoare annotation was computed. [2020-10-19 22:35:36,477 INFO L274 CegarLoopResult]: For program point L968(lines 968 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,477 INFO L274 CegarLoopResult]: For program point L771(lines 771 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,477 INFO L274 CegarLoopResult]: For program point L1630-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,477 INFO L274 CegarLoopResult]: For program point L1564-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,477 INFO L274 CegarLoopResult]: For program point L1498-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,477 INFO L274 CegarLoopResult]: For program point L838(lines 838 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,478 INFO L274 CegarLoopResult]: For program point L1631(line 1631) no Hoare annotation was computed. [2020-10-19 22:35:36,478 INFO L274 CegarLoopResult]: For program point L1565(line 1565) no Hoare annotation was computed. [2020-10-19 22:35:36,478 INFO L274 CegarLoopResult]: For program point L1499(line 1499) no Hoare annotation was computed. [2020-10-19 22:35:36,478 INFO L274 CegarLoopResult]: For program point L443(lines 443 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,478 INFO L274 CegarLoopResult]: For program point L1434(lines 1434 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,478 INFO L274 CegarLoopResult]: For program point L576(lines 576 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,479 INFO L274 CegarLoopResult]: For program point L1633-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,479 INFO L274 CegarLoopResult]: For program point L1567-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,479 INFO L274 CegarLoopResult]: For program point L1501-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,479 INFO L274 CegarLoopResult]: For program point L1634(line 1634) no Hoare annotation was computed. [2020-10-19 22:35:36,479 INFO L274 CegarLoopResult]: For program point L1568(line 1568) no Hoare annotation was computed. [2020-10-19 22:35:36,480 INFO L274 CegarLoopResult]: For program point L1502(line 1502) no Hoare annotation was computed. [2020-10-19 22:35:36,480 INFO L274 CegarLoopResult]: For program point L379(lines 379 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,480 INFO L274 CegarLoopResult]: For program point L1106(lines 1106 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,480 INFO L274 CegarLoopResult]: For program point L1040(lines 1040 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,480 INFO L274 CegarLoopResult]: For program point L380(lines 380 397) no Hoare annotation was computed. [2020-10-19 22:35:36,480 INFO L274 CegarLoopResult]: For program point L314(lines 314 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,481 INFO L274 CegarLoopResult]: For program point L380-2(lines 380 397) no Hoare annotation was computed. [2020-10-19 22:35:36,481 INFO L274 CegarLoopResult]: For program point L1239(lines 1239 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,481 INFO L274 CegarLoopResult]: For program point L116(lines 116 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,481 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1061) no Hoare annotation was computed. [2020-10-19 22:35:36,481 INFO L274 CegarLoopResult]: For program point L1041-2(lines 1041 1061) no Hoare annotation was computed. [2020-10-19 22:35:36,481 INFO L274 CegarLoopResult]: For program point L909(lines 909 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,482 INFO L274 CegarLoopResult]: For program point L711(lines 711 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,482 INFO L274 CegarLoopResult]: For program point L645(lines 645 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,482 INFO L274 CegarLoopResult]: For program point L1636-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,482 INFO L274 CegarLoopResult]: For program point L1570-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,482 INFO L274 CegarLoopResult]: For program point L1504-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,482 INFO L274 CegarLoopResult]: For program point L183(lines 183 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,483 INFO L274 CegarLoopResult]: For program point L712(lines 712 733) no Hoare annotation was computed. [2020-10-19 22:35:36,483 INFO L274 CegarLoopResult]: For program point L712-2(lines 712 733) no Hoare annotation was computed. [2020-10-19 22:35:36,483 INFO L274 CegarLoopResult]: For program point L1637(line 1637) no Hoare annotation was computed. [2020-10-19 22:35:36,483 INFO L274 CegarLoopResult]: For program point L1571(line 1571) no Hoare annotation was computed. [2020-10-19 22:35:36,483 INFO L274 CegarLoopResult]: For program point L1505(line 1505) no Hoare annotation was computed. [2020-10-19 22:35:36,484 INFO L274 CegarLoopResult]: For program point L1307(lines 1307 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,484 INFO L274 CegarLoopResult]: For program point L250(lines 250 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,484 INFO L274 CegarLoopResult]: For program point L1175(lines 1175 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,484 INFO L274 CegarLoopResult]: For program point L977(lines 977 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,484 INFO L274 CegarLoopResult]: For program point L779(lines 779 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,484 INFO L274 CegarLoopResult]: For program point L515(lines 515 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,485 INFO L274 CegarLoopResult]: For program point L846(lines 846 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,485 INFO L274 CegarLoopResult]: For program point L1639-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,485 INFO L274 CegarLoopResult]: For program point L1573-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,485 INFO L274 CegarLoopResult]: For program point L1507-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,485 INFO L274 CegarLoopResult]: For program point L1640(line 1640) no Hoare annotation was computed. [2020-10-19 22:35:36,485 INFO L274 CegarLoopResult]: For program point L1574(line 1574) no Hoare annotation was computed. [2020-10-19 22:35:36,485 INFO L274 CegarLoopResult]: For program point L1508(line 1508) no Hoare annotation was computed. [2020-10-19 22:35:36,485 INFO L274 CegarLoopResult]: For program point L452(lines 452 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,485 INFO L274 CegarLoopResult]: For program point L585(lines 585 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,485 INFO L274 CegarLoopResult]: For program point L1642-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,485 INFO L274 CegarLoopResult]: For program point L1576-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,485 INFO L274 CegarLoopResult]: For program point L1510-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,486 INFO L274 CegarLoopResult]: For program point L1444(lines 1444 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,486 INFO L274 CegarLoopResult]: For program point L321(lines 321 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,486 INFO L274 CegarLoopResult]: For program point L1114(lines 1114 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,486 INFO L274 CegarLoopResult]: For program point L57(lines 57 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,486 INFO L274 CegarLoopResult]: For program point L1643(line 1643) no Hoare annotation was computed. [2020-10-19 22:35:36,486 INFO L274 CegarLoopResult]: For program point L1577(line 1577) no Hoare annotation was computed. [2020-10-19 22:35:36,486 INFO L274 CegarLoopResult]: For program point L1511(line 1511) no Hoare annotation was computed. [2020-10-19 22:35:36,486 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 22:35:36,486 INFO L274 CegarLoopResult]: For program point L58(lines 58 73) no Hoare annotation was computed. [2020-10-19 22:35:36,487 INFO L274 CegarLoopResult]: For program point L58-2(lines 58 73) no Hoare annotation was computed. [2020-10-19 22:35:36,487 INFO L274 CegarLoopResult]: For program point L786(lines 786 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,487 INFO L274 CegarLoopResult]: For program point L1645-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,487 INFO L274 CegarLoopResult]: For program point L1579-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,487 INFO L274 CegarLoopResult]: For program point L1513-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,488 INFO L274 CegarLoopResult]: For program point L1315(lines 1315 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,488 INFO L274 CegarLoopResult]: For program point L985(lines 985 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,488 INFO L274 CegarLoopResult]: For program point L919(lines 919 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,488 INFO L274 CegarLoopResult]: For program point L655(lines 655 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,488 INFO L274 CegarLoopResult]: For program point L1646(line 1646) no Hoare annotation was computed. [2020-10-19 22:35:36,488 INFO L274 CegarLoopResult]: For program point L1580(line 1580) no Hoare annotation was computed. [2020-10-19 22:35:36,488 INFO L274 CegarLoopResult]: For program point L1514(line 1514) no Hoare annotation was computed. [2020-10-19 22:35:36,489 INFO L274 CegarLoopResult]: For program point L259(lines 259 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,489 INFO L274 CegarLoopResult]: For program point L193(lines 193 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,489 INFO L274 CegarLoopResult]: For program point L1184(lines 1184 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,489 INFO L274 CegarLoopResult]: For program point L920(lines 920 937) no Hoare annotation was computed. [2020-10-19 22:35:36,489 INFO L274 CegarLoopResult]: For program point L920-2(lines 920 937) no Hoare annotation was computed. [2020-10-19 22:35:36,489 INFO L274 CegarLoopResult]: For program point L524(lines 524 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,489 INFO L274 CegarLoopResult]: For program point L1383(lines 1383 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,489 INFO L274 CegarLoopResult]: For program point L1251(lines 1251 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,489 INFO L274 CegarLoopResult]: For program point L194(lines 194 213) no Hoare annotation was computed. [2020-10-19 22:35:36,489 INFO L274 CegarLoopResult]: For program point L128(lines 128 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,489 INFO L274 CegarLoopResult]: For program point L194-2(lines 194 213) no Hoare annotation was computed. [2020-10-19 22:35:36,489 INFO L274 CegarLoopResult]: For program point L855(lines 855 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,490 INFO L274 CegarLoopResult]: For program point L1648-1(lines 1648 1650) no Hoare annotation was computed. [2020-10-19 22:35:36,490 INFO L274 CegarLoopResult]: For program point L1582-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,490 INFO L274 CegarLoopResult]: For program point L1516-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,490 INFO L274 CegarLoopResult]: For program point L1384(lines 1384 1402) no Hoare annotation was computed. [2020-10-19 22:35:36,490 INFO L274 CegarLoopResult]: For program point L1384-2(lines 1384 1402) no Hoare annotation was computed. [2020-10-19 22:35:36,490 INFO L274 CegarLoopResult]: For program point L1252(lines 1252 1274) no Hoare annotation was computed. [2020-10-19 22:35:36,490 INFO L274 CegarLoopResult]: For program point L1252-2(lines 1252 1274) no Hoare annotation was computed. [2020-10-19 22:35:36,490 INFO L274 CegarLoopResult]: For program point L1649(line 1649) no Hoare annotation was computed. [2020-10-19 22:35:36,490 INFO L274 CegarLoopResult]: For program point L1583(line 1583) no Hoare annotation was computed. [2020-10-19 22:35:36,490 INFO L274 CegarLoopResult]: For program point L1517(line 1517) no Hoare annotation was computed. [2020-10-19 22:35:36,490 INFO L274 CegarLoopResult]: For program point L460(lines 460 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,490 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,491 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 22:35:36,491 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 22:35:36,491 INFO L274 CegarLoopResult]: For program point L660(lines 660 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,492 INFO L270 CegarLoopResult]: At program point L1651(lines 56 1652) the Hoare annotation is: (let ((.cse10 (= ~a26~0 ~a11~0)) (.cse11 (= ~a3~0 1)) (.cse8 (= ~a12~0 1)) (.cse12 (= ~a0~0 1)) (.cse2 (= ~a3~0 0)) (.cse9 (<= ~a27~0 0)) (.cse7 (<= ~a6~0 0)) (.cse13 (<= ~a26~0 0)) (.cse6 (= ~a11~0 1)) (.cse5 (<= 2 ~a3~0)) (.cse0 (= ~a5~0 1)) (.cse1 (= ~a27~0 1)) (.cse3 (= ~a11~0 0)) (.cse4 (= ~a6~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse6 .cse7) (and .cse0 .cse1 .cse5 .cse3 .cse7) (and .cse8 .cse0 .cse9 .cse2 .cse10 .cse6 .cse4) (and .cse0 .cse1 .cse2 .cse6 .cse4) (and .cse8 .cse0 .cse5 .cse9 .cse6 .cse7) (and .cse0 .cse9 .cse3 .cse4 .cse11) (and .cse0 .cse1 .cse12 .cse3 .cse7 .cse11) (and .cse8 .cse0 .cse5 .cse9 .cse3 .cse7) (and .cse5 .cse0 .cse1 .cse12 .cse6 .cse4) (and .cse0 .cse9 .cse12 .cse10 .cse6 .cse7 .cse11) (and .cse0 .cse9 .cse12 .cse2 .cse10 .cse6 .cse7) (and .cse0 .cse9 .cse2 .cse3 .cse4) (and .cse0 .cse9 .cse6 .cse4 .cse11) (and .cse0 .cse1 .cse6 .cse11) (and .cse0 .cse9 .cse3 .cse7 .cse11) (and .cse5 .cse0 .cse9 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse4 .cse11) (and .cse0 .cse9 .cse12 .cse2 .cse10 .cse6 .cse4) (and .cse0 .cse5 .cse9 .cse10 .cse6 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse7) (and .cse8 .cse0 .cse9 .cse2 .cse10 .cse6 .cse7) (and .cse8 .cse5 .cse0 .cse1 .cse6 .cse4) (and .cse8 .cse0 .cse9 .cse6 .cse7 .cse11) (and .cse8 .cse0 .cse13 .cse9 .cse2 .cse3 .cse7) (and .cse8 .cse0 .cse9 .cse12 .cse2 .cse3 .cse7) (and .cse0 .cse5 .cse13 .cse9 .cse6 .cse7) (and .cse5 .cse13 .cse0 .cse1 .cse6 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4))) [2020-10-19 22:35:36,492 INFO L274 CegarLoopResult]: For program point L594(lines 594 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,492 INFO L274 CegarLoopResult]: For program point L1585-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,492 INFO L274 CegarLoopResult]: For program point L1519-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,493 INFO L274 CegarLoopResult]: For program point L1586(line 1586) no Hoare annotation was computed. [2020-10-19 22:35:36,493 INFO L274 CegarLoopResult]: For program point L1520(line 1520) no Hoare annotation was computed. [2020-10-19 22:35:36,493 INFO L274 CegarLoopResult]: For program point L1454(lines 1454 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,493 INFO L274 CegarLoopResult]: For program point L331(lines 331 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,493 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,493 INFO L277 CegarLoopResult]: At program point L1654(lines 1654 1671) the Hoare annotation is: true [2020-10-19 22:35:36,493 INFO L274 CegarLoopResult]: For program point L531(lines 531 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,493 INFO L274 CegarLoopResult]: For program point L1588-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,493 INFO L274 CegarLoopResult]: For program point L1522-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,493 INFO L274 CegarLoopResult]: For program point L399(lines 399 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,493 INFO L274 CegarLoopResult]: For program point L267(lines 267 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,493 INFO L274 CegarLoopResult]: For program point L1192(lines 1192 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,494 INFO L274 CegarLoopResult]: For program point L1589(line 1589) no Hoare annotation was computed. [2020-10-19 22:35:36,494 INFO L274 CegarLoopResult]: For program point L1523(line 1523) no Hoare annotation was computed. [2020-10-19 22:35:36,494 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 22:35:36,494 INFO L274 CegarLoopResult]: For program point L797(lines 797 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,494 INFO L274 CegarLoopResult]: For program point L137(lines 137 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,494 INFO L274 CegarLoopResult]: For program point L996(lines 996 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,494 INFO L274 CegarLoopResult]: For program point L1591-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,494 INFO L274 CegarLoopResult]: For program point L1525-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,494 INFO L274 CegarLoopResult]: For program point L1129(lines 1129 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,494 INFO L274 CegarLoopResult]: For program point L1063(lines 1063 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,494 INFO L274 CegarLoopResult]: For program point L865(lines 865 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,494 INFO L274 CegarLoopResult]: For program point L667(lines 667 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,495 INFO L274 CegarLoopResult]: For program point L1592(line 1592) no Hoare annotation was computed. [2020-10-19 22:35:36,495 INFO L274 CegarLoopResult]: For program point L1526(line 1526) no Hoare annotation was computed. [2020-10-19 22:35:36,495 INFO L274 CegarLoopResult]: For program point L469(lines 469 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,495 INFO L274 CegarLoopResult]: For program point L1328(lines 1328 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,495 INFO L274 CegarLoopResult]: For program point L470(lines 470 480) no Hoare annotation was computed. [2020-10-19 22:35:36,495 INFO L274 CegarLoopResult]: For program point L470-2(lines 470 480) no Hoare annotation was computed. [2020-10-19 22:35:36,495 INFO L274 CegarLoopResult]: For program point L735(lines 735 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,495 INFO L270 CegarLoopResult]: At program point L1660-2(lines 1660 1670) the Hoare annotation is: (let ((.cse10 (= ~a26~0 ~a11~0)) (.cse11 (= ~a3~0 1)) (.cse8 (= ~a12~0 1)) (.cse12 (= ~a0~0 1)) (.cse2 (= ~a3~0 0)) (.cse9 (<= ~a27~0 0)) (.cse7 (<= ~a6~0 0)) (.cse13 (<= ~a26~0 0)) (.cse6 (= ~a11~0 1)) (.cse5 (<= 2 ~a3~0)) (.cse0 (= ~a5~0 1)) (.cse1 (= ~a27~0 1)) (.cse3 (= ~a11~0 0)) (.cse4 (= ~a6~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse6 .cse7) (and .cse0 .cse1 .cse5 .cse3 .cse7) (and .cse8 .cse0 .cse9 .cse2 .cse10 .cse6 .cse4) (and .cse0 .cse1 .cse2 .cse6 .cse4) (and .cse8 .cse0 .cse5 .cse9 .cse6 .cse7) (and .cse0 .cse9 .cse3 .cse4 .cse11) (and .cse0 .cse1 .cse12 .cse3 .cse7 .cse11) (and .cse8 .cse0 .cse5 .cse9 .cse3 .cse7) (and .cse5 .cse0 .cse1 .cse12 .cse6 .cse4) (and .cse0 .cse9 .cse12 .cse10 .cse6 .cse7 .cse11) (and .cse0 .cse9 .cse12 .cse2 .cse10 .cse6 .cse7) (and .cse0 .cse9 .cse2 .cse3 .cse4) (and .cse0 .cse9 .cse6 .cse4 .cse11) (and .cse0 .cse1 .cse6 .cse11) (and .cse0 .cse9 .cse3 .cse7 .cse11) (and .cse5 .cse0 .cse9 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse4 .cse11) (and .cse0 .cse9 .cse12 .cse2 .cse10 .cse6 .cse4) (and .cse0 .cse5 .cse9 .cse10 .cse6 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse7) (and .cse8 .cse0 .cse9 .cse2 .cse10 .cse6 .cse7) (and .cse8 .cse5 .cse0 .cse1 .cse6 .cse4) (and .cse8 .cse0 .cse9 .cse6 .cse7 .cse11) (and .cse8 .cse0 .cse13 .cse9 .cse2 .cse3 .cse7) (and .cse8 .cse0 .cse9 .cse12 .cse2 .cse3 .cse7) (and .cse0 .cse5 .cse13 .cse9 .cse6 .cse7) (and .cse5 .cse13 .cse0 .cse1 .cse6 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4))) [2020-10-19 22:35:36,495 INFO L274 CegarLoopResult]: For program point L1594-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,496 INFO L274 CegarLoopResult]: For program point L1528-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,496 INFO L274 CegarLoopResult]: For program point L1462(lines 1462 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,496 INFO L274 CegarLoopResult]: For program point L75(lines 75 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,496 INFO L274 CegarLoopResult]: For program point L1595(line 1595) no Hoare annotation was computed. [2020-10-19 22:35:36,496 INFO L274 CegarLoopResult]: For program point L1529(line 1529) no Hoare annotation was computed. [2020-10-19 22:35:36,496 INFO L274 CegarLoopResult]: For program point L605(lines 605 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,496 INFO L274 CegarLoopResult]: For program point L407(lines 407 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,496 INFO L274 CegarLoopResult]: For program point L341(lines 341 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,496 INFO L274 CegarLoopResult]: For program point L1134(lines 1134 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,496 INFO L274 CegarLoopResult]: For program point L1068(lines 1068 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,496 INFO L274 CegarLoopResult]: For program point L870(lines 870 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,496 INFO L274 CegarLoopResult]: For program point L1597-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,497 INFO L274 CegarLoopResult]: For program point L1531-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,497 INFO L274 CegarLoopResult]: For program point L871(lines 871 889) no Hoare annotation was computed. [2020-10-19 22:35:36,497 INFO L274 CegarLoopResult]: For program point L871-2(lines 871 889) no Hoare annotation was computed. [2020-10-19 22:35:36,497 INFO L274 CegarLoopResult]: For program point L1598(line 1598) no Hoare annotation was computed. [2020-10-19 22:35:36,497 INFO L274 CegarLoopResult]: For program point L541(lines 541 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,497 INFO L274 CegarLoopResult]: For program point L1532(line 1532) no Hoare annotation was computed. [2020-10-19 22:35:36,497 INFO L274 CegarLoopResult]: For program point L1202(lines 1202 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,497 INFO L274 CegarLoopResult]: For program point L806(lines 806 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,497 INFO L274 CegarLoopResult]: For program point L1665(line 1665) no Hoare annotation was computed. [2020-10-19 22:35:36,497 INFO L274 CegarLoopResult]: For program point L278(lines 278 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,497 INFO L274 CegarLoopResult]: For program point L1005(lines 1005 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,498 INFO L274 CegarLoopResult]: For program point L939(lines 939 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,498 INFO L274 CegarLoopResult]: For program point L1600-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,498 INFO L274 CegarLoopResult]: For program point L1534-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,498 INFO L274 CegarLoopResult]: For program point L1468(lines 1468 1470) no Hoare annotation was computed. [2020-10-19 22:35:36,498 INFO L274 CegarLoopResult]: For program point L1468-2(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,498 INFO L274 CegarLoopResult]: For program point L1601(line 1601) no Hoare annotation was computed. [2020-10-19 22:35:36,498 INFO L274 CegarLoopResult]: For program point L1535(line 1535) no Hoare annotation was computed. [2020-10-19 22:35:36,498 INFO L274 CegarLoopResult]: For program point L1469(line 1469) no Hoare annotation was computed. [2020-10-19 22:35:36,498 INFO L274 CegarLoopResult]: For program point L148(lines 148 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,498 INFO L274 CegarLoopResult]: For program point L677(lines 677 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,498 INFO L274 CegarLoopResult]: For program point L1404(lines 1404 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,499 INFO L274 CegarLoopResult]: For program point L1338(lines 1338 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,499 INFO L274 CegarLoopResult]: For program point L215(lines 215 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,499 INFO L274 CegarLoopResult]: For program point L1603-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,499 INFO L274 CegarLoopResult]: For program point L1537-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,499 INFO L274 CegarLoopResult]: For program point L1471-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,499 INFO L274 CegarLoopResult]: For program point L1405(lines 1405 1423) no Hoare annotation was computed. [2020-10-19 22:35:36,499 INFO L274 CegarLoopResult]: For program point L1405-2(lines 1405 1423) no Hoare annotation was computed. [2020-10-19 22:35:36,499 INFO L274 CegarLoopResult]: For program point L84(lines 84 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,499 INFO L274 CegarLoopResult]: For program point L745(lines 745 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,499 INFO L274 CegarLoopResult]: For program point L1604(line 1604) no Hoare annotation was computed. [2020-10-19 22:35:36,499 INFO L274 CegarLoopResult]: For program point L1538(line 1538) no Hoare annotation was computed. [2020-10-19 22:35:36,499 INFO L274 CegarLoopResult]: For program point L1472(line 1472) no Hoare annotation was computed. [2020-10-19 22:35:36,500 INFO L274 CegarLoopResult]: For program point L1076(lines 1076 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,500 INFO L274 CegarLoopResult]: For program point L548(lines 548 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,500 INFO L274 CegarLoopResult]: For program point L482(lines 482 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,500 INFO L274 CegarLoopResult]: For program point L416(lines 416 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,500 INFO L274 CegarLoopResult]: For program point L350(lines 350 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,500 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 22:35:36,500 INFO L274 CegarLoopResult]: For program point L1606-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,500 INFO L274 CegarLoopResult]: For program point L1540-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,500 INFO L274 CegarLoopResult]: For program point L1474-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,500 INFO L274 CegarLoopResult]: For program point L1276(lines 1276 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,501 INFO L274 CegarLoopResult]: For program point L1144(lines 1144 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,501 INFO L274 CegarLoopResult]: For program point L616(lines 616 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,501 INFO L274 CegarLoopResult]: For program point L1607(line 1607) no Hoare annotation was computed. [2020-10-19 22:35:36,501 INFO L274 CegarLoopResult]: For program point L1541(line 1541) no Hoare annotation was computed. [2020-10-19 22:35:36,501 INFO L274 CegarLoopResult]: For program point L1475(line 1475) no Hoare annotation was computed. [2020-10-19 22:35:36,501 INFO L274 CegarLoopResult]: For program point L286(lines 286 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,501 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,501 INFO L274 CegarLoopResult]: For program point L815(lines 815 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,501 INFO L274 CegarLoopResult]: For program point L1212(lines 1212 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,501 INFO L274 CegarLoopResult]: For program point L1609-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,502 INFO L274 CegarLoopResult]: For program point L1543-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,502 INFO L274 CegarLoopResult]: For program point L1477-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,502 INFO L274 CegarLoopResult]: For program point L1213(lines 1213 1226) no Hoare annotation was computed. [2020-10-19 22:35:36,502 INFO L274 CegarLoopResult]: For program point L1213-2(lines 1213 1226) no Hoare annotation was computed. [2020-10-19 22:35:36,502 INFO L274 CegarLoopResult]: For program point L949(lines 949 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,502 INFO L274 CegarLoopResult]: For program point L1610(line 1610) no Hoare annotation was computed. [2020-10-19 22:35:36,502 INFO L274 CegarLoopResult]: For program point L1544(line 1544) no Hoare annotation was computed. [2020-10-19 22:35:36,502 INFO L274 CegarLoopResult]: For program point L1478(line 1478) no Hoare annotation was computed. [2020-10-19 22:35:36,502 INFO L274 CegarLoopResult]: For program point L1346(lines 1346 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,502 INFO L274 CegarLoopResult]: For program point L157(lines 157 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,503 INFO L274 CegarLoopResult]: For program point L91(lines 91 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,503 INFO L274 CegarLoopResult]: For program point L686(lines 686 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,503 INFO L274 CegarLoopResult]: For program point L224(lines 224 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,503 INFO L274 CegarLoopResult]: For program point L687(lines 687 701) no Hoare annotation was computed. [2020-10-19 22:35:36,504 INFO L274 CegarLoopResult]: For program point L687-2(lines 687 701) no Hoare annotation was computed. [2020-10-19 22:35:36,504 INFO L274 CegarLoopResult]: For program point L1612-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,504 INFO L274 CegarLoopResult]: For program point L1546-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,504 INFO L274 CegarLoopResult]: For program point L1480-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,505 INFO L274 CegarLoopResult]: For program point L1613(line 1613) no Hoare annotation was computed. [2020-10-19 22:35:36,505 INFO L274 CegarLoopResult]: For program point L1547(line 1547) no Hoare annotation was computed. [2020-10-19 22:35:36,505 INFO L274 CegarLoopResult]: For program point L490(lines 490 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,505 INFO L274 CegarLoopResult]: For program point L1481(line 1481) no Hoare annotation was computed. [2020-10-19 22:35:36,505 INFO L274 CegarLoopResult]: For program point L424(lines 424 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,505 INFO L274 CegarLoopResult]: For program point L358(lines 358 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,505 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 22:35:36,505 INFO L274 CegarLoopResult]: For program point L755(lines 755 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,505 INFO L274 CegarLoopResult]: For program point L624(lines 624 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,505 INFO L274 CegarLoopResult]: For program point L558(lines 558 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,505 INFO L274 CegarLoopResult]: For program point L1615-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,505 INFO L274 CegarLoopResult]: For program point L1549-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,505 INFO L274 CegarLoopResult]: For program point L1483-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,506 INFO L274 CegarLoopResult]: For program point L294(lines 294 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,506 INFO L274 CegarLoopResult]: For program point L1285(lines 1285 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,506 INFO L274 CegarLoopResult]: For program point L1616(line 1616) no Hoare annotation was computed. [2020-10-19 22:35:36,506 INFO L274 CegarLoopResult]: For program point L1550(line 1550) no Hoare annotation was computed. [2020-10-19 22:35:36,506 INFO L274 CegarLoopResult]: For program point L1484(line 1484) no Hoare annotation was computed. [2020-10-19 22:35:36,506 INFO L274 CegarLoopResult]: For program point L1352(lines 1352 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,506 INFO L274 CegarLoopResult]: For program point L1286(lines 1286 1305) no Hoare annotation was computed. [2020-10-19 22:35:36,506 INFO L274 CegarLoopResult]: For program point L1286-2(lines 1286 1305) no Hoare annotation was computed. [2020-10-19 22:35:36,506 INFO L274 CegarLoopResult]: For program point L1154(lines 1154 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,506 INFO L274 CegarLoopResult]: For program point L97(lines 97 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,506 INFO L274 CegarLoopResult]: For program point L1088(lines 1088 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,507 INFO L274 CegarLoopResult]: For program point L1023(lines 1023 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,507 INFO L274 CegarLoopResult]: For program point L957(lines 957 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,507 INFO L274 CegarLoopResult]: For program point L891(lines 891 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,507 INFO L274 CegarLoopResult]: For program point L1618-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,507 INFO L274 CegarLoopResult]: For program point L1552-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,507 INFO L274 CegarLoopResult]: For program point L1486-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:35:36,507 INFO L274 CegarLoopResult]: For program point L1619(line 1619) no Hoare annotation was computed. [2020-10-19 22:35:36,507 INFO L274 CegarLoopResult]: For program point L1553(line 1553) no Hoare annotation was computed. [2020-10-19 22:35:36,507 INFO L274 CegarLoopResult]: For program point L1487(line 1487) no Hoare annotation was computed. [2020-10-19 22:35:36,507 INFO L274 CegarLoopResult]: For program point L166(lines 166 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,507 INFO L274 CegarLoopResult]: For program point L827(lines 827 1467) no Hoare annotation was computed. [2020-10-19 22:35:36,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:35:36 BoogieIcfgContainer [2020-10-19 22:35:36,558 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:35:36,559 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:35:36,559 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:35:36,559 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:35:36,560 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:34:49" (3/4) ... [2020-10-19 22:35:36,568 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 22:35:36,611 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 22:35:36,615 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 22:35:36,618 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:35:36,622 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:35:36,856 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 22:35:36,856 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:35:36,858 INFO L168 Benchmark]: Toolchain (without parser) took 51014.70 ms. Allocated memory was 42.5 MB in the beginning and 813.7 MB in the end (delta: 771.2 MB). Free memory was 19.0 MB in the beginning and 399.3 MB in the end (delta: -380.3 MB). Peak memory consumption was 390.9 MB. Max. memory is 14.3 GB. [2020-10-19 22:35:36,858 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 33.0 MB. Free memory is still 11.5 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-19 22:35:36,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1255.29 ms. Allocated memory was 42.5 MB in the beginning and 46.7 MB in the end (delta: 4.2 MB). Free memory was 18.2 MB in the beginning and 8.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 14.3 GB. [2020-10-19 22:35:36,859 INFO L168 Benchmark]: Boogie Procedure Inliner took 186.06 ms. Allocated memory was 46.7 MB in the beginning and 48.2 MB in the end (delta: 1.6 MB). Free memory was 8.3 MB in the beginning and 13.9 MB in the end (delta: -5.6 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. [2020-10-19 22:35:36,860 INFO L168 Benchmark]: Boogie Preprocessor took 334.48 ms. Allocated memory was 48.2 MB in the beginning and 59.2 MB in the end (delta: 11.0 MB). Free memory was 13.9 MB in the beginning and 26.2 MB in the end (delta: -12.3 MB). Peak memory consumption was 13.9 MB. Max. memory is 14.3 GB. [2020-10-19 22:35:36,860 INFO L168 Benchmark]: RCFGBuilder took 2292.87 ms. Allocated memory was 59.2 MB in the beginning and 94.9 MB in the end (delta: 35.7 MB). Free memory was 26.2 MB in the beginning and 36.4 MB in the end (delta: -10.2 MB). Peak memory consumption was 44.0 MB. Max. memory is 14.3 GB. [2020-10-19 22:35:36,861 INFO L168 Benchmark]: TraceAbstraction took 46633.95 ms. Allocated memory was 94.9 MB in the beginning and 813.7 MB in the end (delta: 718.8 MB). Free memory was 35.7 MB in the beginning and 452.9 MB in the end (delta: -417.2 MB). Peak memory consumption was 553.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:35:36,861 INFO L168 Benchmark]: Witness Printer took 297.80 ms. Allocated memory is still 813.7 MB. Free memory was 452.9 MB in the beginning and 399.3 MB in the end (delta: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 14.3 GB. [2020-10-19 22:35:36,864 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 33.0 MB. Free memory is still 11.5 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1255.29 ms. Allocated memory was 42.5 MB in the beginning and 46.7 MB in the end (delta: 4.2 MB). Free memory was 18.2 MB in the beginning and 8.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 186.06 ms. Allocated memory was 46.7 MB in the beginning and 48.2 MB in the end (delta: 1.6 MB). Free memory was 8.3 MB in the beginning and 13.9 MB in the end (delta: -5.6 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 334.48 ms. Allocated memory was 48.2 MB in the beginning and 59.2 MB in the end (delta: 11.0 MB). Free memory was 13.9 MB in the beginning and 26.2 MB in the end (delta: -12.3 MB). Peak memory consumption was 13.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 2292.87 ms. Allocated memory was 59.2 MB in the beginning and 94.9 MB in the end (delta: 35.7 MB). Free memory was 26.2 MB in the beginning and 36.4 MB in the end (delta: -10.2 MB). Peak memory consumption was 44.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 46633.95 ms. Allocated memory was 94.9 MB in the beginning and 813.7 MB in the end (delta: 718.8 MB). Free memory was 35.7 MB in the beginning and 452.9 MB in the end (delta: -417.2 MB). Peak memory consumption was 553.7 MB. Max. memory is 14.3 GB. * Witness Printer took 297.80 ms. Allocated memory is still 813.7 MB. Free memory was 452.9 MB in the beginning and 399.3 MB in the end (delta: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((a5 == 1 && a27 == 1) && a3 == 0) && a11 == 0) && a6 == 1) || ((((a5 == 1 && a27 == 1) && 2 <= a3) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a27 == 1) && a3 == 0) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a27 == 1) && 2 <= a3) && a11 == 0) && a6 <= 0)) || ((((((a12 == 1 && a5 == 1) && a27 <= 0) && a3 == 0) && a26 == a11) && a11 == 1) && a6 == 1)) || ((((a5 == 1 && a27 == 1) && a3 == 0) && a11 == 1) && a6 == 1)) || (((((a12 == 1 && a5 == 1) && 2 <= a3) && a27 <= 0) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a27 <= 0) && a11 == 0) && a6 == 1) && a3 == 1)) || (((((a5 == 1 && a27 == 1) && a0 == 1) && a11 == 0) && a6 <= 0) && a3 == 1)) || (((((a12 == 1 && a5 == 1) && 2 <= a3) && a27 <= 0) && a11 == 0) && a6 <= 0)) || (((((2 <= a3 && a5 == 1) && a27 == 1) && a0 == 1) && a11 == 1) && a6 == 1)) || ((((((a5 == 1 && a27 <= 0) && a0 == 1) && a26 == a11) && a11 == 1) && a6 <= 0) && a3 == 1)) || ((((((a5 == 1 && a27 <= 0) && a0 == 1) && a3 == 0) && a26 == a11) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a27 <= 0) && a3 == 0) && a11 == 0) && a6 == 1)) || ((((a5 == 1 && a27 <= 0) && a11 == 1) && a6 == 1) && a3 == 1)) || (((a5 == 1 && a27 == 1) && a11 == 1) && a3 == 1)) || ((((a5 == 1 && a27 <= 0) && a11 == 0) && a6 <= 0) && a3 == 1)) || ((((2 <= a3 && a5 == 1) && a27 <= 0) && a11 == 0) && a6 == 1)) || ((((a5 == 1 && a27 == 1) && a11 == 0) && a6 == 1) && a3 == 1)) || ((((((a5 == 1 && a27 <= 0) && a0 == 1) && a3 == 0) && a26 == a11) && a11 == 1) && a6 == 1)) || (((((a5 == 1 && 2 <= a3) && a27 <= 0) && a26 == a11) && a11 == 1) && a6 == 1)) || ((((a5 == 1 && a27 == 1) && a3 == 0) && a11 == 0) && a6 <= 0)) || ((((((a12 == 1 && a5 == 1) && a27 <= 0) && a3 == 0) && a26 == a11) && a11 == 1) && a6 <= 0)) || (((((a12 == 1 && 2 <= a3) && a5 == 1) && a27 == 1) && a11 == 1) && a6 == 1)) || (((((a12 == 1 && a5 == 1) && a27 <= 0) && a11 == 1) && a6 <= 0) && a3 == 1)) || ((((((a12 == 1 && a5 == 1) && a26 <= 0) && a27 <= 0) && a3 == 0) && a11 == 0) && a6 <= 0)) || ((((((a12 == 1 && a5 == 1) && a27 <= 0) && a0 == 1) && a3 == 0) && a11 == 0) && a6 <= 0)) || (((((a5 == 1 && 2 <= a3) && a26 <= 0) && a27 <= 0) && a11 == 1) && a6 <= 0)) || (((((2 <= a3 && a26 <= 0) && a5 == 1) && a27 == 1) && a11 == 1) && a6 == 1)) || ((((2 <= a3 && a5 == 1) && a27 == 1) && a11 == 0) && a6 == 1) - InvariantResult [Line: 1654]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1660]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((a5 == 1 && a27 == 1) && a3 == 0) && a11 == 0) && a6 == 1) || ((((a5 == 1 && a27 == 1) && 2 <= a3) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a27 == 1) && a3 == 0) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a27 == 1) && 2 <= a3) && a11 == 0) && a6 <= 0)) || ((((((a12 == 1 && a5 == 1) && a27 <= 0) && a3 == 0) && a26 == a11) && a11 == 1) && a6 == 1)) || ((((a5 == 1 && a27 == 1) && a3 == 0) && a11 == 1) && a6 == 1)) || (((((a12 == 1 && a5 == 1) && 2 <= a3) && a27 <= 0) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a27 <= 0) && a11 == 0) && a6 == 1) && a3 == 1)) || (((((a5 == 1 && a27 == 1) && a0 == 1) && a11 == 0) && a6 <= 0) && a3 == 1)) || (((((a12 == 1 && a5 == 1) && 2 <= a3) && a27 <= 0) && a11 == 0) && a6 <= 0)) || (((((2 <= a3 && a5 == 1) && a27 == 1) && a0 == 1) && a11 == 1) && a6 == 1)) || ((((((a5 == 1 && a27 <= 0) && a0 == 1) && a26 == a11) && a11 == 1) && a6 <= 0) && a3 == 1)) || ((((((a5 == 1 && a27 <= 0) && a0 == 1) && a3 == 0) && a26 == a11) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a27 <= 0) && a3 == 0) && a11 == 0) && a6 == 1)) || ((((a5 == 1 && a27 <= 0) && a11 == 1) && a6 == 1) && a3 == 1)) || (((a5 == 1 && a27 == 1) && a11 == 1) && a3 == 1)) || ((((a5 == 1 && a27 <= 0) && a11 == 0) && a6 <= 0) && a3 == 1)) || ((((2 <= a3 && a5 == 1) && a27 <= 0) && a11 == 0) && a6 == 1)) || ((((a5 == 1 && a27 == 1) && a11 == 0) && a6 == 1) && a3 == 1)) || ((((((a5 == 1 && a27 <= 0) && a0 == 1) && a3 == 0) && a26 == a11) && a11 == 1) && a6 == 1)) || (((((a5 == 1 && 2 <= a3) && a27 <= 0) && a26 == a11) && a11 == 1) && a6 == 1)) || ((((a5 == 1 && a27 == 1) && a3 == 0) && a11 == 0) && a6 <= 0)) || ((((((a12 == 1 && a5 == 1) && a27 <= 0) && a3 == 0) && a26 == a11) && a11 == 1) && a6 <= 0)) || (((((a12 == 1 && 2 <= a3) && a5 == 1) && a27 == 1) && a11 == 1) && a6 == 1)) || (((((a12 == 1 && a5 == 1) && a27 <= 0) && a11 == 1) && a6 <= 0) && a3 == 1)) || ((((((a12 == 1 && a5 == 1) && a26 <= 0) && a27 <= 0) && a3 == 0) && a11 == 0) && a6 <= 0)) || ((((((a12 == 1 && a5 == 1) && a27 <= 0) && a0 == 1) && a3 == 0) && a11 == 0) && a6 <= 0)) || (((((a5 == 1 && 2 <= a3) && a26 <= 0) && a27 <= 0) && a11 == 1) && a6 <= 0)) || (((((2 <= a3 && a26 <= 0) && a5 == 1) && a27 == 1) && a11 == 1) && a6 == 1)) || ((((2 <= a3 && a5 == 1) && a27 == 1) && a11 == 0) && a6 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 303 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 43.1s, OverallIterations: 19, TraceHistogramMax: 8, AutomataDifference: 25.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3458 SDtfs, 4228 SDslu, 563 SDs, 0 SdLazy, 11789 SolverSat, 1994 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2924 GetRequests, 2888 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29714occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.2s AutomataMinimizationTime, 19 MinimizatonAttempts, 12075 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 287 NumberOfFragments, 1095 HoareAnnotationTreeSize, 3 FomulaSimplifications, 10972 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2704 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 8738 NumberOfCodeBlocks, 8738 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 8712 ConstructedInterpolants, 0 QuantifiedInterpolants, 5592082 SizeOfPredicates, 3 NumberOfNonLiveVariables, 5140 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 26 InterpolantComputations, 19 PerfectInterpolantSequences, 7225/7273 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...