./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem11_label17.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 b5e41900bd607a2b9899d7c26d1a50b64d74ec68 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 20:29:02,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 20:29:02,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 20:29:02,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 20:29:02,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 20:29:02,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 20:29:02,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 20:29:02,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 20:29:02,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 20:29:02,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 20:29:02,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 20:29:02,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 20:29:02,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 20:29:02,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 20:29:02,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 20:29:02,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 20:29:02,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 20:29:02,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 20:29:02,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 20:29:02,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 20:29:02,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 20:29:02,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 20:29:02,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 20:29:02,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 20:29:02,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 20:29:02,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 20:29:02,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 20:29:02,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 20:29:02,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 20:29:02,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 20:29:02,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 20:29:02,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 20:29:02,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 20:29:02,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 20:29:02,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 20:29:02,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 20:29:02,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 20:29:02,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 20:29:02,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 20:29:02,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 20:29:02,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 20:29:02,579 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 20:29:02,638 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 20:29:02,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 20:29:02,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 20:29:02,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 20:29:02,640 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 20:29:02,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 20:29:02,641 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 20:29:02,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 20:29:02,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 20:29:02,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 20:29:02,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 20:29:02,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 20:29:02,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 20:29:02,642 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 20:29:02,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 20:29:02,642 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 20:29:02,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 20:29:02,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 20:29:02,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 20:29:02,643 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 20:29:02,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 20:29:02,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 20:29:02,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 20:29:02,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 20:29:02,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 20:29:02,644 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 20:29:02,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 20:29:02,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 20:29:02,645 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 20:29:02,645 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5e41900bd607a2b9899d7c26d1a50b64d74ec68 [2020-10-25 20:29:03,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 20:29:03,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 20:29:03,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 20:29:03,196 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 20:29:03,199 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 20:29:03,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label17.c [2020-10-25 20:29:03,286 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c70feab9f/5c12c9099dec4f0683b129b4320e7f2e/FLAGe670829f1 [2020-10-25 20:29:04,181 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 20:29:04,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label17.c [2020-10-25 20:29:04,203 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c70feab9f/5c12c9099dec4f0683b129b4320e7f2e/FLAGe670829f1 [2020-10-25 20:29:04,359 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c70feab9f/5c12c9099dec4f0683b129b4320e7f2e [2020-10-25 20:29:04,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 20:29:04,369 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 20:29:04,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 20:29:04,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 20:29:04,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 20:29:04,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:29:04" (1/1) ... [2020-10-25 20:29:04,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b2ef47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:04, skipping insertion in model container [2020-10-25 20:29:04,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:29:04" (1/1) ... [2020-10-25 20:29:04,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 20:29:04,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 20:29:05,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:29:05,053 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 20:29:05,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:29:05,396 INFO L208 MainTranslator]: Completed translation [2020-10-25 20:29:05,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:05 WrapperNode [2020-10-25 20:29:05,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 20:29:05,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 20:29:05,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 20:29:05,399 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 20:29:05,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:05" (1/1) ... [2020-10-25 20:29:05,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:05" (1/1) ... [2020-10-25 20:29:05,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 20:29:05,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 20:29:05,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 20:29:05,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 20:29:05,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:05" (1/1) ... [2020-10-25 20:29:05,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:05" (1/1) ... [2020-10-25 20:29:05,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:05" (1/1) ... [2020-10-25 20:29:05,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:05" (1/1) ... [2020-10-25 20:29:05,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:05" (1/1) ... [2020-10-25 20:29:05,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:05" (1/1) ... [2020-10-25 20:29:05,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:05" (1/1) ... [2020-10-25 20:29:05,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 20:29:05,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 20:29:05,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 20:29:05,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 20:29:05,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:05" (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 [2020-10-25 20:29:06,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 20:29:06,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 20:29:06,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 20:29:06,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 20:29:08,104 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 20:29:08,104 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 20:29:08,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:29:08 BoogieIcfgContainer [2020-10-25 20:29:08,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 20:29:08,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 20:29:08,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 20:29:08,112 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 20:29:08,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 08:29:04" (1/3) ... [2020-10-25 20:29:08,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705de01e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:29:08, skipping insertion in model container [2020-10-25 20:29:08,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:05" (2/3) ... [2020-10-25 20:29:08,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705de01e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:29:08, skipping insertion in model container [2020-10-25 20:29:08,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:29:08" (3/3) ... [2020-10-25 20:29:08,116 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label17.c [2020-10-25 20:29:08,128 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 20:29:08,134 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 20:29:08,148 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 20:29:08,178 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 20:29:08,178 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 20:29:08,178 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 20:29:08,179 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 20:29:08,179 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 20:29:08,179 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 20:29:08,179 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 20:29:08,179 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 20:29:08,206 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-10-25 20:29:08,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-25 20:29:08,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:08,217 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] [2020-10-25 20:29:08,217 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:08,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:08,239 INFO L82 PathProgramCache]: Analyzing trace with hash 323974986, now seen corresponding path program 1 times [2020-10-25 20:29:08,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:08,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013361802] [2020-10-25 20:29:08,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:08,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:29:08,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013361802] [2020-10-25 20:29:08,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:08,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:29:08,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780145566] [2020-10-25 20:29:08,610 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:29:08,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:08,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:29:08,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:29:08,634 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-10-25 20:29:10,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:10,432 INFO L93 Difference]: Finished difference Result 762 states and 1346 transitions. [2020-10-25 20:29:10,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:29:10,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2020-10-25 20:29:10,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:10,454 INFO L225 Difference]: With dead ends: 762 [2020-10-25 20:29:10,454 INFO L226 Difference]: Without dead ends: 413 [2020-10-25 20:29:10,461 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 [2020-10-25 20:29:10,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-10-25 20:29:10,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2020-10-25 20:29:10,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-10-25 20:29:10,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2020-10-25 20:29:10,572 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 38 [2020-10-25 20:29:10,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:10,573 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2020-10-25 20:29:10,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:29:10,574 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2020-10-25 20:29:10,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-25 20:29:10,584 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:10,584 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:29:10,585 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 20:29:10,586 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:10,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:10,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1607744926, now seen corresponding path program 1 times [2020-10-25 20:29:10,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:10,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019137565] [2020-10-25 20:29:10,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:10,879 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:29:10,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019137565] [2020-10-25 20:29:10,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:10,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:29:10,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344645081] [2020-10-25 20:29:10,884 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:29:10,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:10,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:29:10,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:29:10,887 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand 3 states. [2020-10-25 20:29:12,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:12,381 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2020-10-25 20:29:12,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:29:12,382 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-10-25 20:29:12,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:12,392 INFO L225 Difference]: With dead ends: 1211 [2020-10-25 20:29:12,392 INFO L226 Difference]: Without dead ends: 800 [2020-10-25 20:29:12,395 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 [2020-10-25 20:29:12,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-10-25 20:29:12,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2020-10-25 20:29:12,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-10-25 20:29:12,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2020-10-25 20:29:12,462 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 106 [2020-10-25 20:29:12,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:12,463 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2020-10-25 20:29:12,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:29:12,463 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2020-10-25 20:29:12,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-25 20:29:12,467 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:12,468 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:29:12,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 20:29:12,468 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:12,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:12,469 INFO L82 PathProgramCache]: Analyzing trace with hash -565028355, now seen corresponding path program 1 times [2020-10-25 20:29:12,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:12,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037689359] [2020-10-25 20:29:12,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:12,704 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:29:12,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037689359] [2020-10-25 20:29:12,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:12,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:29:12,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419996351] [2020-10-25 20:29:12,706 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:29:12,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:12,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:29:12,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:29:12,708 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand 3 states. [2020-10-25 20:29:14,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:14,158 INFO L93 Difference]: Finished difference Result 2314 states and 3181 transitions. [2020-10-25 20:29:14,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:29:14,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-10-25 20:29:14,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:14,169 INFO L225 Difference]: With dead ends: 2314 [2020-10-25 20:29:14,169 INFO L226 Difference]: Without dead ends: 1527 [2020-10-25 20:29:14,173 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 [2020-10-25 20:29:14,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2020-10-25 20:29:14,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1526. [2020-10-25 20:29:14,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-10-25 20:29:14,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1856 transitions. [2020-10-25 20:29:14,240 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1856 transitions. Word has length 108 [2020-10-25 20:29:14,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:14,241 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1856 transitions. [2020-10-25 20:29:14,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:29:14,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1856 transitions. [2020-10-25 20:29:14,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-25 20:29:14,253 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:14,256 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:29:14,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 20:29:14,257 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:14,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:14,257 INFO L82 PathProgramCache]: Analyzing trace with hash -271444159, now seen corresponding path program 1 times [2020-10-25 20:29:14,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:14,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146710475] [2020-10-25 20:29:14,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:14,504 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:29:14,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146710475] [2020-10-25 20:29:14,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:14,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:29:14,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614136660] [2020-10-25 20:29:14,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:29:14,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:14,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:29:14,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:29:14,508 INFO L87 Difference]: Start difference. First operand 1526 states and 1856 transitions. Second operand 3 states. [2020-10-25 20:29:15,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:15,930 INFO L93 Difference]: Finished difference Result 3257 states and 4123 transitions. [2020-10-25 20:29:15,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:29:15,931 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2020-10-25 20:29:15,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:15,942 INFO L225 Difference]: With dead ends: 3257 [2020-10-25 20:29:15,942 INFO L226 Difference]: Without dead ends: 1917 [2020-10-25 20:29:15,945 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 [2020-10-25 20:29:15,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2020-10-25 20:29:15,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1914. [2020-10-25 20:29:15,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1914 states. [2020-10-25 20:29:16,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2384 transitions. [2020-10-25 20:29:16,001 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2384 transitions. Word has length 165 [2020-10-25 20:29:16,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:16,004 INFO L481 AbstractCegarLoop]: Abstraction has 1914 states and 2384 transitions. [2020-10-25 20:29:16,004 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:29:16,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2384 transitions. [2020-10-25 20:29:16,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-25 20:29:16,018 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:16,019 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:29:16,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 20:29:16,019 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:16,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:16,020 INFO L82 PathProgramCache]: Analyzing trace with hash -993250983, now seen corresponding path program 1 times [2020-10-25 20:29:16,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:16,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949411637] [2020-10-25 20:29:16,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:16,316 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-25 20:29:16,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949411637] [2020-10-25 20:29:16,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:16,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:29:16,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413647070] [2020-10-25 20:29:16,318 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:29:16,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:16,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:29:16,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:29:16,321 INFO L87 Difference]: Start difference. First operand 1914 states and 2384 transitions. Second operand 3 states. [2020-10-25 20:29:17,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:17,790 INFO L93 Difference]: Finished difference Result 4389 states and 5590 transitions. [2020-10-25 20:29:17,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:29:17,791 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 220 [2020-10-25 20:29:17,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:17,806 INFO L225 Difference]: With dead ends: 4389 [2020-10-25 20:29:17,807 INFO L226 Difference]: Without dead ends: 2661 [2020-10-25 20:29:17,810 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 [2020-10-25 20:29:17,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2661 states. [2020-10-25 20:29:17,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2661 to 2467. [2020-10-25 20:29:17,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2467 states. [2020-10-25 20:29:17,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3045 transitions. [2020-10-25 20:29:17,871 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3045 transitions. Word has length 220 [2020-10-25 20:29:17,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:17,872 INFO L481 AbstractCegarLoop]: Abstraction has 2467 states and 3045 transitions. [2020-10-25 20:29:17,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:29:17,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3045 transitions. [2020-10-25 20:29:17,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-25 20:29:17,877 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:17,877 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:29:17,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 20:29:17,878 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:17,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:17,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1679674154, now seen corresponding path program 1 times [2020-10-25 20:29:17,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:17,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47657716] [2020-10-25 20:29:17,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:18,412 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 25 proven. 46 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-25 20:29:18,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47657716] [2020-10-25 20:29:18,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941180851] [2020-10-25 20:29:18,414 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 [2020-10-25 20:29:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:18,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:29:18,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:29:18,900 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-25 20:29:18,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:29:18,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-25 20:29:18,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492448783] [2020-10-25 20:29:18,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:29:18,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:18,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:29:18,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:29:18,904 INFO L87 Difference]: Start difference. First operand 2467 states and 3045 transitions. Second operand 3 states. [2020-10-25 20:29:20,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:20,652 INFO L93 Difference]: Finished difference Result 5862 states and 7297 transitions. [2020-10-25 20:29:20,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:29:20,654 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2020-10-25 20:29:20,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:20,678 INFO L225 Difference]: With dead ends: 5862 [2020-10-25 20:29:20,679 INFO L226 Difference]: Without dead ends: 3397 [2020-10-25 20:29:20,683 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:29:20,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2020-10-25 20:29:20,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3388. [2020-10-25 20:29:20,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3388 states. [2020-10-25 20:29:20,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 3388 states and 4091 transitions. [2020-10-25 20:29:20,767 INFO L78 Accepts]: Start accepts. Automaton has 3388 states and 4091 transitions. Word has length 226 [2020-10-25 20:29:20,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:20,768 INFO L481 AbstractCegarLoop]: Abstraction has 3388 states and 4091 transitions. [2020-10-25 20:29:20,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:29:20,768 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 4091 transitions. [2020-10-25 20:29:20,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-10-25 20:29:20,776 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:20,776 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:29:20,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-25 20:29:20,998 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:20,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:20,998 INFO L82 PathProgramCache]: Analyzing trace with hash 885340313, now seen corresponding path program 1 times [2020-10-25 20:29:20,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:20,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948762125] [2020-10-25 20:29:20,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:21,283 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-25 20:29:21,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948762125] [2020-10-25 20:29:21,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:21,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:29:21,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91705195] [2020-10-25 20:29:21,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:29:21,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:21,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:29:21,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:29:21,290 INFO L87 Difference]: Start difference. First operand 3388 states and 4091 transitions. Second operand 3 states. [2020-10-25 20:29:22,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:22,698 INFO L93 Difference]: Finished difference Result 6788 states and 8205 transitions. [2020-10-25 20:29:22,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:29:22,699 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 297 [2020-10-25 20:29:22,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:22,717 INFO L225 Difference]: With dead ends: 6788 [2020-10-25 20:29:22,717 INFO L226 Difference]: Without dead ends: 3402 [2020-10-25 20:29:22,722 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 [2020-10-25 20:29:22,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3402 states. [2020-10-25 20:29:22,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3402 to 3020. [2020-10-25 20:29:22,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3020 states. [2020-10-25 20:29:22,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 3020 states and 3567 transitions. [2020-10-25 20:29:22,786 INFO L78 Accepts]: Start accepts. Automaton has 3020 states and 3567 transitions. Word has length 297 [2020-10-25 20:29:22,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:22,787 INFO L481 AbstractCegarLoop]: Abstraction has 3020 states and 3567 transitions. [2020-10-25 20:29:22,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:29:22,787 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 3567 transitions. [2020-10-25 20:29:22,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-10-25 20:29:22,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:22,794 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:29:22,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 20:29:22,794 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:22,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:22,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1789953037, now seen corresponding path program 1 times [2020-10-25 20:29:22,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:22,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325983564] [2020-10-25 20:29:22,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:23,023 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-25 20:29:23,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325983564] [2020-10-25 20:29:23,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:23,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:29:23,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38084591] [2020-10-25 20:29:23,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:29:23,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:23,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:29:23,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:29:23,026 INFO L87 Difference]: Start difference. First operand 3020 states and 3567 transitions. Second operand 3 states. [2020-10-25 20:29:24,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:24,250 INFO L93 Difference]: Finished difference Result 6015 states and 7099 transitions. [2020-10-25 20:29:24,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:29:24,251 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 298 [2020-10-25 20:29:24,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:24,265 INFO L225 Difference]: With dead ends: 6015 [2020-10-25 20:29:24,265 INFO L226 Difference]: Without dead ends: 2997 [2020-10-25 20:29:24,269 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 [2020-10-25 20:29:24,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2997 states. [2020-10-25 20:29:24,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2997 to 2995. [2020-10-25 20:29:24,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2995 states. [2020-10-25 20:29:24,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 3392 transitions. [2020-10-25 20:29:24,328 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 3392 transitions. Word has length 298 [2020-10-25 20:29:24,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:24,329 INFO L481 AbstractCegarLoop]: Abstraction has 2995 states and 3392 transitions. [2020-10-25 20:29:24,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:29:24,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 3392 transitions. [2020-10-25 20:29:24,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-10-25 20:29:24,335 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:24,336 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:29:24,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 20:29:24,336 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:24,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:24,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1157679596, now seen corresponding path program 1 times [2020-10-25 20:29:24,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:24,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655355723] [2020-10-25 20:29:24,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:24,577 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2020-10-25 20:29:24,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655355723] [2020-10-25 20:29:24,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:24,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:29:24,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920250413] [2020-10-25 20:29:24,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:29:24,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:24,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:29:24,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:29:24,580 INFO L87 Difference]: Start difference. First operand 2995 states and 3392 transitions. Second operand 3 states. [2020-10-25 20:29:25,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:25,767 INFO L93 Difference]: Finished difference Result 6907 states and 7810 transitions. [2020-10-25 20:29:25,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:29:25,768 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 303 [2020-10-25 20:29:25,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:25,788 INFO L225 Difference]: With dead ends: 6907 [2020-10-25 20:29:25,789 INFO L226 Difference]: Without dead ends: 3914 [2020-10-25 20:29:25,794 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 [2020-10-25 20:29:25,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3914 states. [2020-10-25 20:29:25,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3914 to 2069. [2020-10-25 20:29:25,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2069 states. [2020-10-25 20:29:25,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 2374 transitions. [2020-10-25 20:29:25,859 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 2374 transitions. Word has length 303 [2020-10-25 20:29:25,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:25,860 INFO L481 AbstractCegarLoop]: Abstraction has 2069 states and 2374 transitions. [2020-10-25 20:29:25,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:29:25,860 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2374 transitions. [2020-10-25 20:29:25,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-10-25 20:29:25,887 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:25,887 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:29:25,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 20:29:25,888 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:25,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:25,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1507215500, now seen corresponding path program 1 times [2020-10-25 20:29:25,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:25,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416587771] [2020-10-25 20:29:25,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:26,264 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:29:26,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416587771] [2020-10-25 20:29:26,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:26,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 20:29:26,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754374671] [2020-10-25 20:29:26,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:29:26,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:26,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:29:26,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:29:26,269 INFO L87 Difference]: Start difference. First operand 2069 states and 2374 transitions. Second operand 4 states. [2020-10-25 20:29:28,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:28,597 INFO L93 Difference]: Finished difference Result 6353 states and 7292 transitions. [2020-10-25 20:29:28,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:29:28,598 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 343 [2020-10-25 20:29:28,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:28,617 INFO L225 Difference]: With dead ends: 6353 [2020-10-25 20:29:28,618 INFO L226 Difference]: Without dead ends: 4286 [2020-10-25 20:29:28,622 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:29:28,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4286 states. [2020-10-25 20:29:28,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4286 to 3732. [2020-10-25 20:29:28,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3732 states. [2020-10-25 20:29:28,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 4219 transitions. [2020-10-25 20:29:28,708 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 4219 transitions. Word has length 343 [2020-10-25 20:29:28,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:28,709 INFO L481 AbstractCegarLoop]: Abstraction has 3732 states and 4219 transitions. [2020-10-25 20:29:28,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:29:28,710 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 4219 transitions. [2020-10-25 20:29:28,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2020-10-25 20:29:28,721 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:28,721 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:29:28,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-25 20:29:28,722 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:28,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:28,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1375430111, now seen corresponding path program 1 times [2020-10-25 20:29:28,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:28,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731804151] [2020-10-25 20:29:28,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:28,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:29,150 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-10-25 20:29:29,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731804151] [2020-10-25 20:29:29,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:29,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 20:29:29,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137445719] [2020-10-25 20:29:29,153 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:29:29,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:29,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:29:29,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:29:29,154 INFO L87 Difference]: Start difference. First operand 3732 states and 4219 transitions. Second operand 4 states. [2020-10-25 20:29:31,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:31,418 INFO L93 Difference]: Finished difference Result 8752 states and 9872 transitions. [2020-10-25 20:29:31,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:29:31,419 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 417 [2020-10-25 20:29:31,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:31,440 INFO L225 Difference]: With dead ends: 8752 [2020-10-25 20:29:31,440 INFO L226 Difference]: Without dead ends: 5022 [2020-10-25 20:29:31,446 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:29:31,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5022 states. [2020-10-25 20:29:31,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5022 to 3732. [2020-10-25 20:29:31,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3732 states. [2020-10-25 20:29:31,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 4219 transitions. [2020-10-25 20:29:31,525 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 4219 transitions. Word has length 417 [2020-10-25 20:29:31,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:31,526 INFO L481 AbstractCegarLoop]: Abstraction has 3732 states and 4219 transitions. [2020-10-25 20:29:31,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:29:31,526 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 4219 transitions. [2020-10-25 20:29:31,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 669 [2020-10-25 20:29:31,549 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:31,550 INFO L422 BasicCegarLoop]: trace histogram [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, 6, 6, 6, 6, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:29:31,550 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-25 20:29:31,550 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:31,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:31,551 INFO L82 PathProgramCache]: Analyzing trace with hash -684711715, now seen corresponding path program 1 times [2020-10-25 20:29:31,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:31,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603120975] [2020-10-25 20:29:31,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:32,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1228 backedges. 844 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2020-10-25 20:29:32,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603120975] [2020-10-25 20:29:32,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:32,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:29:32,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332391445] [2020-10-25 20:29:32,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:29:32,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:32,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:29:32,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:29:32,222 INFO L87 Difference]: Start difference. First operand 3732 states and 4219 transitions. Second operand 4 states. [2020-10-25 20:29:34,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:34,594 INFO L93 Difference]: Finished difference Result 11899 states and 13474 transitions. [2020-10-25 20:29:34,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:29:34,595 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 668 [2020-10-25 20:29:34,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:34,613 INFO L225 Difference]: With dead ends: 11899 [2020-10-25 20:29:34,613 INFO L226 Difference]: Without dead ends: 8169 [2020-10-25 20:29:34,618 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 [2020-10-25 20:29:34,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8169 states. [2020-10-25 20:29:34,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8169 to 7799. [2020-10-25 20:29:34,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7799 states. [2020-10-25 20:29:34,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7799 states to 7799 states and 8729 transitions. [2020-10-25 20:29:34,742 INFO L78 Accepts]: Start accepts. Automaton has 7799 states and 8729 transitions. Word has length 668 [2020-10-25 20:29:34,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:34,743 INFO L481 AbstractCegarLoop]: Abstraction has 7799 states and 8729 transitions. [2020-10-25 20:29:34,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:29:34,744 INFO L276 IsEmpty]: Start isEmpty. Operand 7799 states and 8729 transitions. [2020-10-25 20:29:34,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 737 [2020-10-25 20:29:34,762 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:34,763 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:29:34,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-25 20:29:34,764 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:34,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:34,765 INFO L82 PathProgramCache]: Analyzing trace with hash 19250572, now seen corresponding path program 1 times [2020-10-25 20:29:34,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:34,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922586628] [2020-10-25 20:29:34,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:35,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1619 backedges. 961 proven. 0 refuted. 0 times theorem prover too weak. 658 trivial. 0 not checked. [2020-10-25 20:29:35,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922586628] [2020-10-25 20:29:35,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:35,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:29:35,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089393589] [2020-10-25 20:29:35,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:29:35,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:35,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:29:35,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:29:35,456 INFO L87 Difference]: Start difference. First operand 7799 states and 8729 transitions. Second operand 3 states. [2020-10-25 20:29:36,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:36,962 INFO L93 Difference]: Finished difference Result 17436 states and 19554 transitions. [2020-10-25 20:29:36,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:29:36,963 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 736 [2020-10-25 20:29:36,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:36,980 INFO L225 Difference]: With dead ends: 17436 [2020-10-25 20:29:36,980 INFO L226 Difference]: Without dead ends: 8717 [2020-10-25 20:29:36,989 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 [2020-10-25 20:29:36,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8717 states. [2020-10-25 20:29:37,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8717 to 8717. [2020-10-25 20:29:37,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8717 states. [2020-10-25 20:29:37,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8717 states to 8717 states and 9593 transitions. [2020-10-25 20:29:37,113 INFO L78 Accepts]: Start accepts. Automaton has 8717 states and 9593 transitions. Word has length 736 [2020-10-25 20:29:37,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:37,114 INFO L481 AbstractCegarLoop]: Abstraction has 8717 states and 9593 transitions. [2020-10-25 20:29:37,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:29:37,114 INFO L276 IsEmpty]: Start isEmpty. Operand 8717 states and 9593 transitions. [2020-10-25 20:29:37,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 837 [2020-10-25 20:29:37,134 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:37,135 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:29:37,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-25 20:29:37,135 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:37,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:37,136 INFO L82 PathProgramCache]: Analyzing trace with hash -489896693, now seen corresponding path program 1 times [2020-10-25 20:29:37,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:37,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199870212] [2020-10-25 20:29:37,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:37,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1997 backedges. 1445 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2020-10-25 20:29:37,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199870212] [2020-10-25 20:29:37,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:37,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:29:37,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464464693] [2020-10-25 20:29:38,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:29:38,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:38,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:29:38,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:29:38,013 INFO L87 Difference]: Start difference. First operand 8717 states and 9593 transitions. Second operand 3 states. [2020-10-25 20:29:39,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:39,476 INFO L93 Difference]: Finished difference Result 18165 states and 19959 transitions. [2020-10-25 20:29:39,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:29:39,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 836 [2020-10-25 20:29:39,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:39,478 INFO L225 Difference]: With dead ends: 18165 [2020-10-25 20:29:39,478 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 20:29:39,492 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 [2020-10-25 20:29:39,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 20:29:39,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 20:29:39,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 20:29:39,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 20:29:39,493 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 836 [2020-10-25 20:29:39,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:39,493 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 20:29:39,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:29:39,494 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 20:29:39,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 20:29:39,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-25 20:29:39,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 20:29:39,661 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 118 [2020-10-25 20:29:39,809 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 118 [2020-10-25 20:29:40,498 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 48 [2020-10-25 20:29:41,224 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 48 [2020-10-25 20:29:41,229 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,229 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,230 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,230 INFO L270 CegarLoopResult]: At program point L1027(lines 24 1028) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 138)) (.cse7 (<= (+ ~a29~0 22) 0)) (.cse4 (<= ~a25~0 10)) (.cse1 (= ~a4~0 0)) (.cse2 (<= ~a29~0 599998)) (.cse6 (+ ~a23~0 43)) (.cse8 (<= ~a29~0 599999)) (.cse0 (= ~a25~0 11)) (.cse5 (= ~a4~0 1))) (or (and .cse0 .cse1 (<= ~a23~0 312) .cse2) (and .cse3 .cse4 .cse5 (< 0 .cse6)) (and (<= 307 ~a23~0) .cse2 .cse5) (and .cse4 .cse3 .cse1 .cse2) (and .cse2 (<= 13 ~a25~0) .cse5) (and .cse3 .cse1 .cse7) (and .cse4 .cse1 .cse7) (and (<= ~a29~0 130) .cse5) (and .cse1 (= ~a25~0 12) .cse2) (and .cse8 .cse4 .cse5) (and .cse1 .cse2 (<= .cse6 0)) (and .cse8 .cse0 .cse5))) [2020-10-25 20:29:41,231 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,231 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-25 20:29:41,231 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-25 20:29:41,231 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,231 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,231 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,232 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,232 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,232 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,232 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-25 20:29:41,232 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-25 20:29:41,232 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-25 20:29:41,232 INFO L277 CegarLoopResult]: At program point L1030(lines 1030 1046) the Hoare annotation is: true [2020-10-25 20:29:41,233 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,233 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,233 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,233 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,233 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,233 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,233 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,233 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-25 20:29:41,233 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-25 20:29:41,234 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-25 20:29:41,234 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,234 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,234 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,234 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,234 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,234 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,234 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,234 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,234 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,235 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-25 20:29:41,235 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-25 20:29:41,235 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-25 20:29:41,235 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,235 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 138)) (.cse7 (<= (+ ~a29~0 22) 0)) (.cse4 (<= ~a25~0 10)) (.cse1 (= ~a4~0 0)) (.cse2 (<= ~a29~0 599998)) (.cse6 (+ ~a23~0 43)) (.cse8 (<= ~a29~0 599999)) (.cse0 (= ~a25~0 11)) (.cse5 (= ~a4~0 1))) (or (and .cse0 .cse1 (<= ~a23~0 312) .cse2) (and .cse3 .cse4 .cse5 (< 0 .cse6)) (and (<= 307 ~a23~0) .cse2 .cse5) (and .cse4 .cse3 .cse1 .cse2) (and .cse2 (<= 13 ~a25~0) .cse5) (and .cse3 .cse1 .cse7) (and .cse4 .cse1 .cse7) (and (<= ~a29~0 130) .cse5) (and .cse1 (= ~a25~0 12) .cse2) (and .cse8 .cse4 .cse5) (and .cse1 .cse2 (<= .cse6 0)) (and .cse8 .cse0 .cse5))) [2020-10-25 20:29:41,235 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,235 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,236 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,236 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,236 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,236 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,236 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,236 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,236 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-25 20:29:41,236 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-25 20:29:41,236 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-25 20:29:41,236 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-25 20:29:41,237 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-25 20:29:41,237 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-25 20:29:41,237 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-25 20:29:41,237 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,237 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,237 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,237 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,237 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,237 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,237 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,238 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,238 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,238 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,238 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-25 20:29:41,238 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-25 20:29:41,238 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-25 20:29:41,238 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-25 20:29:41,238 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,238 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,239 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,239 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,239 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,239 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-25 20:29:41,239 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-25 20:29:41,239 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-25 20:29:41,239 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,239 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,239 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,239 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,240 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-25 20:29:41,240 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-25 20:29:41,240 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,240 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,240 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,240 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,240 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,240 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,240 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-25 20:29:41,240 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-25 20:29:41,240 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,241 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,241 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-25 20:29:41,241 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-25 20:29:41,241 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-25 20:29:41,241 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 20:29:41,241 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,241 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,241 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,241 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,241 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,242 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,242 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,242 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-25 20:29:41,242 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-25 20:29:41,242 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-25 20:29:41,242 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-25 20:29:41,242 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-25 20:29:41,242 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-25 20:29:41,242 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-25 20:29:41,242 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,242 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,243 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-25 20:29:41,243 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-25 20:29:41,243 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,243 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,243 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,243 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,243 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,243 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-25 20:29:41,243 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-25 20:29:41,243 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-25 20:29:41,244 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,244 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,244 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,244 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,244 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,244 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,244 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-25 20:29:41,244 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-25 20:29:41,244 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-25 20:29:41,244 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 20:29:41,244 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,245 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 20:29:41,245 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,245 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,245 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,245 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,245 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,245 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,245 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,245 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-25 20:29:41,246 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-25 20:29:41,246 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-25 20:29:41,246 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,246 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,246 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,246 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,246 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,246 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,246 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,246 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 20:29:41,247 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,247 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,247 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,247 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,247 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-25 20:29:41,247 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-25 20:29:41,247 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-25 20:29:41,247 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-25 20:29:41,247 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-25 20:29:41,248 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,248 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,248 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,248 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,248 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,248 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,248 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,248 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-25 20:29:41,248 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-25 20:29:41,248 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-25 20:29:41,249 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,249 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,249 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,249 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-25 20:29:41,249 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-25 20:29:41,249 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,249 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,249 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,249 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,250 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,250 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-25 20:29:41,250 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-25 20:29:41,250 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,250 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,250 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-25 20:29:41,250 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-25 20:29:41,250 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,250 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,250 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,251 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,251 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,251 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,251 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-25 20:29:41,251 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-25 20:29:41,251 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-25 20:29:41,251 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-25 20:29:41,251 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,251 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,252 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,252 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,252 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,252 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,252 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,252 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,252 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-25 20:29:41,252 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-25 20:29:41,252 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-25 20:29:41,252 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-25 20:29:41,253 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-25 20:29:41,253 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-25 20:29:41,253 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,253 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,253 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,253 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,253 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,253 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,253 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,254 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 20:29:41,254 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-25 20:29:41,254 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-25 20:29:41,254 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,254 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,254 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,254 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,254 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,254 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,254 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-25 20:29:41,255 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-25 20:29:41,255 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,255 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,255 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,255 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,255 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,255 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,255 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,255 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-25 20:29:41,256 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,256 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,256 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,256 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-25 20:29:41,256 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-25 20:29:41,256 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-25 20:29:41,256 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,256 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-25 20:29:41,256 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,257 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-25 20:29:41,257 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,257 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,257 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 20:29:41,257 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,257 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,257 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,257 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,257 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-25 20:29:41,257 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-25 20:29:41,258 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-25 20:29:41,258 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,258 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,258 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,258 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,258 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,258 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,258 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,258 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,259 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,259 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,259 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-25 20:29:41,259 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-25 20:29:41,259 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-25 20:29:41,259 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,259 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-25 20:29:41,259 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-25 20:29:41,259 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,259 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,260 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:41,260 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,260 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,260 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-25 20:29:41,260 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-25 20:29:41,260 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-25 20:29:41,260 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-25 20:29:41,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 08:29:41 BoogieIcfgContainer [2020-10-25 20:29:41,296 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 20:29:41,296 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 20:29:41,296 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 20:29:41,297 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 20:29:41,300 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:29:08" (3/4) ... [2020-10-25 20:29:41,308 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 20:29:41,356 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 20:29:41,358 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 20:29:41,360 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:29:41,362 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:29:41,594 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 20:29:41,595 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 20:29:41,596 INFO L168 Benchmark]: Toolchain (without parser) took 37231.82 ms. Allocated memory was 46.1 MB in the beginning and 790.6 MB in the end (delta: 744.5 MB). Free memory was 25.9 MB in the beginning and 657.9 MB in the end (delta: -632.0 MB). Peak memory consumption was 111.4 MB. Max. memory is 16.1 GB. [2020-10-25 20:29:41,597 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 37.7 MB. Free memory was 23.1 MB in the beginning and 23.0 MB in the end (delta: 19.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 20:29:41,597 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1026.62 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 25.1 MB in the beginning and 26.7 MB in the end (delta: -1.6 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2020-10-25 20:29:41,598 INFO L168 Benchmark]: Boogie Procedure Inliner took 221.64 ms. Allocated memory is still 56.6 MB. Free memory was 26.7 MB in the beginning and 23.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. [2020-10-25 20:29:41,598 INFO L168 Benchmark]: Boogie Preprocessor took 228.64 ms. Allocated memory is still 56.6 MB. Free memory was 23.9 MB in the beginning and 17.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2020-10-25 20:29:41,599 INFO L168 Benchmark]: RCFGBuilder took 2255.22 ms. Allocated memory was 56.6 MB in the beginning and 117.4 MB in the end (delta: 60.8 MB). Free memory was 17.4 MB in the beginning and 38.3 MB in the end (delta: -20.9 MB). Peak memory consumption was 41.7 MB. Max. memory is 16.1 GB. [2020-10-25 20:29:41,599 INFO L168 Benchmark]: TraceAbstraction took 33187.18 ms. Allocated memory was 117.4 MB in the beginning and 790.6 MB in the end (delta: 673.2 MB). Free memory was 38.3 MB in the beginning and 683.6 MB in the end (delta: -645.3 MB). Peak memory consumption was 453.5 MB. Max. memory is 16.1 GB. [2020-10-25 20:29:41,600 INFO L168 Benchmark]: Witness Printer took 298.79 ms. Allocated memory is still 790.6 MB. Free memory was 683.6 MB in the beginning and 657.9 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-10-25 20:29:41,602 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 37.7 MB. Free memory was 23.1 MB in the beginning and 23.0 MB in the end (delta: 19.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1026.62 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 25.1 MB in the beginning and 26.7 MB in the end (delta: -1.6 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 221.64 ms. Allocated memory is still 56.6 MB. Free memory was 26.7 MB in the beginning and 23.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 228.64 ms. Allocated memory is still 56.6 MB. Free memory was 23.9 MB in the beginning and 17.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2255.22 ms. Allocated memory was 56.6 MB in the beginning and 117.4 MB in the end (delta: 60.8 MB). Free memory was 17.4 MB in the beginning and 38.3 MB in the end (delta: -20.9 MB). Peak memory consumption was 41.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 33187.18 ms. Allocated memory was 117.4 MB in the beginning and 790.6 MB in the end (delta: 673.2 MB). Free memory was 38.3 MB in the beginning and 683.6 MB in the end (delta: -645.3 MB). Peak memory consumption was 453.5 MB. Max. memory is 16.1 GB. * Witness Printer took 298.79 ms. Allocated memory is still 790.6 MB. Free memory was 683.6 MB in the beginning and 657.9 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((((((((((((a25 == 11 && a4 == 0) && a23 <= 312) && a29 <= 599998) || (((a23 <= 138 && a25 <= 10) && a4 == 1) && 0 < a23 + 43)) || ((307 <= a23 && a29 <= 599998) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && a4 == 0) && a29 <= 599998)) || ((a29 <= 599998 && 13 <= a25) && a4 == 1)) || ((a23 <= 138 && a4 == 0) && a29 + 22 <= 0)) || ((a25 <= 10 && a4 == 0) && a29 + 22 <= 0)) || (a29 <= 130 && a4 == 1)) || ((a4 == 0 && a25 == 12) && a29 <= 599998)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || ((a4 == 0 && a29 <= 599998) && a23 + 43 <= 0)) || ((a29 <= 599999 && a25 == 11) && a4 == 1) - InvariantResult [Line: 1030]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: (((((((((((((a25 == 11 && a4 == 0) && a23 <= 312) && a29 <= 599998) || (((a23 <= 138 && a25 <= 10) && a4 == 1) && 0 < a23 + 43)) || ((307 <= a23 && a29 <= 599998) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && a4 == 0) && a29 <= 599998)) || ((a29 <= 599998 && 13 <= a25) && a4 == 1)) || ((a23 <= 138 && a4 == 0) && a29 + 22 <= 0)) || ((a25 <= 10 && a4 == 0) && a29 + 22 <= 0)) || (a29 <= 130 && a4 == 1)) || ((a4 == 0 && a25 == 12) && a29 <= 599998)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || ((a4 == 0 && a29 <= 599998) && a23 + 43 <= 0)) || ((a29 <= 599999 && a25 == 11) && a4 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 31.3s, OverallIterations: 14, TraceHistogramMax: 7, AutomataDifference: 23.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2803 SDtfs, 2443 SDslu, 374 SDs, 0 SdLazy, 9185 SolverSat, 1706 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 267 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8717occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 4661 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 117 NumberOfFragments, 271 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4492 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3330 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 4987 NumberOfCodeBlocks, 4987 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 4972 ConstructedInterpolants, 0 QuantifiedInterpolants, 4456114 SizeOfPredicates, 1 NumberOfNonLiveVariables, 350 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 15 InterpolantComputations, 14 PerfectInterpolantSequences, 6945/6991 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...