./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label34.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3cb5b15e-b0e3-42d8-af31-5935f253cb80/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3cb5b15e-b0e3-42d8-af31-5935f253cb80/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3cb5b15e-b0e3-42d8-af31-5935f253cb80/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3cb5b15e-b0e3-42d8-af31-5935f253cb80/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label34.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3cb5b15e-b0e3-42d8-af31-5935f253cb80/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3cb5b15e-b0e3-42d8-af31-5935f253cb80/bin/uautomizer --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 0a1cc7881130b406d1d951279b5fe9bb2a9beea4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:51:09,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:51:09,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:51:09,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:51:09,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:51:09,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:51:09,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:51:09,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:51:09,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:51:09,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:51:09,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:51:09,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:51:09,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:51:09,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:51:09,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:51:09,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:51:09,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:51:09,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:51:09,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:51:09,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:51:09,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:51:09,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:51:09,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:51:09,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:51:09,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:51:09,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:51:09,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:51:09,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:51:09,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:51:09,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:51:09,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:51:09,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:51:09,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:51:09,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:51:09,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:51:09,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:51:09,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:51:09,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:51:09,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:51:09,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:51:09,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:51:09,495 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3cb5b15e-b0e3-42d8-af31-5935f253cb80/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 20:51:09,535 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:51:09,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:51:09,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:51:09,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:51:09,542 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:51:09,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:51:09,543 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:51:09,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:51:09,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:51:09,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:51:09,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:51:09,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:51:09,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:51:09,545 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:51:09,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:51:09,546 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:51:09,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:51:09,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:51:09,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:51:09,547 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:51:09,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 20:51:09,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 20:51:09,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:51:09,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:51:09,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:51:09,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:51:09,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:51:09,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:51:09,549 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:51:09,549 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:/tmp/vcloud-vcloud-master/worker/run_dir_3cb5b15e-b0e3-42d8-af31-5935f253cb80/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3cb5b15e-b0e3-42d8-af31-5935f253cb80/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a1cc7881130b406d1d951279b5fe9bb2a9beea4 [2020-11-29 20:51:09,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:51:09,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:51:09,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:51:09,870 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:51:09,871 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:51:09,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3cb5b15e-b0e3-42d8-af31-5935f253cb80/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label34.c [2020-11-29 20:51:09,936 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3cb5b15e-b0e3-42d8-af31-5935f253cb80/bin/uautomizer/data/7e04fefda/9e4ecd66598b482eaa64c3f2c5865471/FLAG5217864b4 [2020-11-29 20:51:10,518 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:51:10,519 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3cb5b15e-b0e3-42d8-af31-5935f253cb80/sv-benchmarks/c/eca-rers2012/Problem02_label34.c [2020-11-29 20:51:10,546 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3cb5b15e-b0e3-42d8-af31-5935f253cb80/bin/uautomizer/data/7e04fefda/9e4ecd66598b482eaa64c3f2c5865471/FLAG5217864b4 [2020-11-29 20:51:10,747 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3cb5b15e-b0e3-42d8-af31-5935f253cb80/bin/uautomizer/data/7e04fefda/9e4ecd66598b482eaa64c3f2c5865471 [2020-11-29 20:51:10,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:51:10,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:51:10,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:51:10,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:51:10,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:51:10,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:51:10" (1/1) ... [2020-11-29 20:51:10,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72818b07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:51:10, skipping insertion in model container [2020-11-29 20:51:10,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:51:10" (1/1) ... [2020-11-29 20:51:10,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:51:10,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:51:11,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:51:11,290 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:51:11,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:51:11,442 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:51:11,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:51:11 WrapperNode [2020-11-29 20:51:11,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:51:11,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:51:11,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:51:11,445 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:51:11,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:51:11" (1/1) ... [2020-11-29 20:51:11,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:51:11" (1/1) ... [2020-11-29 20:51:11,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:51:11,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:51:11,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:51:11,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:51:11,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:51:11" (1/1) ... [2020-11-29 20:51:11,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:51:11" (1/1) ... [2020-11-29 20:51:11,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:51:11" (1/1) ... [2020-11-29 20:51:11,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:51:11" (1/1) ... [2020-11-29 20:51:11,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:51:11" (1/1) ... [2020-11-29 20:51:11,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:51:11" (1/1) ... [2020-11-29 20:51:11,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:51:11" (1/1) ... [2020-11-29 20:51:11,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:51:11,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:51:11,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:51:11,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:51:11,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:51:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3cb5b15e-b0e3-42d8-af31-5935f253cb80/bin/uautomizer/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 [2020-11-29 20:51:11,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:51:11,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:51:11,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:51:11,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:51:13,360 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:51:13,360 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 20:51:13,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:51:13 BoogieIcfgContainer [2020-11-29 20:51:13,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:51:13,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 20:51:13,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 20:51:13,372 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 20:51:13,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 08:51:10" (1/3) ... [2020-11-29 20:51:13,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e5b1ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:51:13, skipping insertion in model container [2020-11-29 20:51:13,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:51:11" (2/3) ... [2020-11-29 20:51:13,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e5b1ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:51:13, skipping insertion in model container [2020-11-29 20:51:13,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:51:13" (3/3) ... [2020-11-29 20:51:13,375 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label34.c [2020-11-29 20:51:13,391 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 20:51:13,396 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 20:51:13,408 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 20:51:13,450 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 20:51:13,450 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 20:51:13,450 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 20:51:13,450 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:51:13,450 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:51:13,451 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 20:51:13,451 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:51:13,451 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 20:51:13,472 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-11-29 20:51:13,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-11-29 20:51:13,485 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:51:13,486 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:51:13,486 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:51:13,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:51:13,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1560294413, now seen corresponding path program 1 times [2020-11-29 20:51:13,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:51:13,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571250158] [2020-11-29 20:51:13,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:51:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:51:13,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:51:13,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571250158] [2020-11-29 20:51:13,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:51:13,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:51:13,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664280144] [2020-11-29 20:51:13,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:51:13,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:51:13,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:51:13,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:51:13,911 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-11-29 20:51:15,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:51:15,356 INFO L93 Difference]: Finished difference Result 597 states and 1031 transitions. [2020-11-29 20:51:15,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:51:15,357 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-11-29 20:51:15,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:51:15,373 INFO L225 Difference]: With dead ends: 597 [2020-11-29 20:51:15,373 INFO L226 Difference]: Without dead ends: 305 [2020-11-29 20:51:15,380 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 [2020-11-29 20:51:15,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-11-29 20:51:15,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2020-11-29 20:51:15,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-11-29 20:51:15,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 464 transitions. [2020-11-29 20:51:15,448 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 464 transitions. Word has length 98 [2020-11-29 20:51:15,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:51:15,449 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 464 transitions. [2020-11-29 20:51:15,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:51:15,450 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 464 transitions. [2020-11-29 20:51:15,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-11-29 20:51:15,455 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:51:15,456 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-29 20:51:15,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 20:51:15,456 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:51:15,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:51:15,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1489149877, now seen corresponding path program 1 times [2020-11-29 20:51:15,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:51:15,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936301167] [2020-11-29 20:51:15,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:51:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:51:15,575 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:51:15,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936301167] [2020-11-29 20:51:15,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:51:15,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:51:15,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321644312] [2020-11-29 20:51:15,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:51:15,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:51:15,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:51:15,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:51:15,579 INFO L87 Difference]: Start difference. First operand 305 states and 464 transitions. Second operand 3 states. [2020-11-29 20:51:15,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:51:15,876 INFO L93 Difference]: Finished difference Result 599 states and 913 transitions. [2020-11-29 20:51:15,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:51:15,877 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-11-29 20:51:15,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:51:15,880 INFO L225 Difference]: With dead ends: 599 [2020-11-29 20:51:15,883 INFO L226 Difference]: Without dead ends: 296 [2020-11-29 20:51:15,885 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 [2020-11-29 20:51:15,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-11-29 20:51:15,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2020-11-29 20:51:15,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-11-29 20:51:15,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 421 transitions. [2020-11-29 20:51:15,928 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 421 transitions. Word has length 109 [2020-11-29 20:51:15,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:51:15,930 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 421 transitions. [2020-11-29 20:51:15,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:51:15,931 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 421 transitions. [2020-11-29 20:51:15,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-11-29 20:51:15,940 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:51:15,941 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-29 20:51:15,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 20:51:15,942 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:51:15,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:51:15,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1856818640, now seen corresponding path program 1 times [2020-11-29 20:51:15,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:51:15,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277283007] [2020-11-29 20:51:15,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:51:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:51:16,072 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:51:16,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277283007] [2020-11-29 20:51:16,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:51:16,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:51:16,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010273057] [2020-11-29 20:51:16,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:51:16,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:51:16,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:51:16,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:51:16,083 INFO L87 Difference]: Start difference. First operand 296 states and 421 transitions. Second operand 3 states. [2020-11-29 20:51:16,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:51:16,691 INFO L93 Difference]: Finished difference Result 880 states and 1254 transitions. [2020-11-29 20:51:16,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:51:16,691 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-11-29 20:51:16,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:51:16,695 INFO L225 Difference]: With dead ends: 880 [2020-11-29 20:51:16,695 INFO L226 Difference]: Without dead ends: 586 [2020-11-29 20:51:16,696 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 [2020-11-29 20:51:16,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2020-11-29 20:51:16,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 581. [2020-11-29 20:51:16,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2020-11-29 20:51:16,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 798 transitions. [2020-11-29 20:51:16,748 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 798 transitions. Word has length 116 [2020-11-29 20:51:16,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:51:16,748 INFO L481 AbstractCegarLoop]: Abstraction has 581 states and 798 transitions. [2020-11-29 20:51:16,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:51:16,749 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 798 transitions. [2020-11-29 20:51:16,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-11-29 20:51:16,753 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:51:16,753 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-11-29 20:51:16,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 20:51:16,754 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:51:16,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:51:16,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1754552003, now seen corresponding path program 1 times [2020-11-29 20:51:16,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:51:16,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698622857] [2020-11-29 20:51:16,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:51:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:51:16,866 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-29 20:51:16,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698622857] [2020-11-29 20:51:16,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:51:16,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:51:16,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443902125] [2020-11-29 20:51:16,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:51:16,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:51:16,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:51:16,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:51:16,870 INFO L87 Difference]: Start difference. First operand 581 states and 798 transitions. Second operand 3 states. [2020-11-29 20:51:17,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:51:17,517 INFO L93 Difference]: Finished difference Result 1582 states and 2183 transitions. [2020-11-29 20:51:17,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:51:17,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-11-29 20:51:17,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:51:17,523 INFO L225 Difference]: With dead ends: 1582 [2020-11-29 20:51:17,524 INFO L226 Difference]: Without dead ends: 1003 [2020-11-29 20:51:17,525 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 [2020-11-29 20:51:17,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2020-11-29 20:51:17,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 863. [2020-11-29 20:51:17,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 863 states. [2020-11-29 20:51:17,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 1100 transitions. [2020-11-29 20:51:17,571 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 1100 transitions. Word has length 120 [2020-11-29 20:51:17,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:51:17,571 INFO L481 AbstractCegarLoop]: Abstraction has 863 states and 1100 transitions. [2020-11-29 20:51:17,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:51:17,572 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1100 transitions. [2020-11-29 20:51:17,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-11-29 20:51:17,576 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:51:17,576 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:51:17,576 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 20:51:17,576 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:51:17,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:51:17,577 INFO L82 PathProgramCache]: Analyzing trace with hash -511582774, now seen corresponding path program 1 times [2020-11-29 20:51:17,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:51:17,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857566579] [2020-11-29 20:51:17,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:51:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:51:17,669 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-29 20:51:17,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857566579] [2020-11-29 20:51:17,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512489153] [2020-11-29 20:51:17,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3cb5b15e-b0e3-42d8-af31-5935f253cb80/bin/uautomizer/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 [2020-11-29 20:51:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:51:17,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:51:17,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:51:17,988 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 20:51:17,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 20:51:17,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 20:51:17,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838782243] [2020-11-29 20:51:17,989 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:51:17,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:51:17,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:51:17,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:51:17,990 INFO L87 Difference]: Start difference. First operand 863 states and 1100 transitions. Second operand 3 states. [2020-11-29 20:51:18,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:51:18,812 INFO L93 Difference]: Finished difference Result 1866 states and 2435 transitions. [2020-11-29 20:51:18,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:51:18,812 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2020-11-29 20:51:18,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:51:18,818 INFO L225 Difference]: With dead ends: 1866 [2020-11-29 20:51:18,818 INFO L226 Difference]: Without dead ends: 1145 [2020-11-29 20:51:18,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:51:18,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2020-11-29 20:51:18,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 1144. [2020-11-29 20:51:18,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1144 states. [2020-11-29 20:51:18,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1144 states and 1420 transitions. [2020-11-29 20:51:18,859 INFO L78 Accepts]: Start accepts. Automaton has 1144 states and 1420 transitions. Word has length 125 [2020-11-29 20:51:18,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:51:18,860 INFO L481 AbstractCegarLoop]: Abstraction has 1144 states and 1420 transitions. [2020-11-29 20:51:18,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:51:18,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1420 transitions. [2020-11-29 20:51:18,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-11-29 20:51:18,863 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:51:18,863 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:51:19,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 20:51:19,078 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:51:19,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:51:19,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1268004013, now seen corresponding path program 1 times [2020-11-29 20:51:19,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:51:19,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369356380] [2020-11-29 20:51:19,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:51:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:51:19,416 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:51:19,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369356380] [2020-11-29 20:51:19,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629330480] [2020-11-29 20:51:19,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3cb5b15e-b0e3-42d8-af31-5935f253cb80/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 20:51:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:51:19,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:51:19,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:51:19,573 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 20:51:19,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 20:51:19,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 20:51:19,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206211809] [2020-11-29 20:51:19,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:51:19,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:51:19,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:51:19,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 20:51:19,580 INFO L87 Difference]: Start difference. First operand 1144 states and 1420 transitions. Second operand 3 states. [2020-11-29 20:51:20,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:51:20,229 INFO L93 Difference]: Finished difference Result 2146 states and 2688 transitions. [2020-11-29 20:51:20,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:51:20,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2020-11-29 20:51:20,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:51:20,236 INFO L225 Difference]: With dead ends: 2146 [2020-11-29 20:51:20,238 INFO L226 Difference]: Without dead ends: 1144 [2020-11-29 20:51:20,240 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 20:51:20,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2020-11-29 20:51:20,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 1004. [2020-11-29 20:51:20,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1004 states. [2020-11-29 20:51:20,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1169 transitions. [2020-11-29 20:51:20,265 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1169 transitions. Word has length 125 [2020-11-29 20:51:20,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:51:20,269 INFO L481 AbstractCegarLoop]: Abstraction has 1004 states and 1169 transitions. [2020-11-29 20:51:20,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:51:20,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1169 transitions. [2020-11-29 20:51:20,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-11-29 20:51:20,272 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:51:20,272 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:51:20,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 20:51:20,487 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:51:20,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:51:20,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1324967622, now seen corresponding path program 1 times [2020-11-29 20:51:20,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:51:20,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380278046] [2020-11-29 20:51:20,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:51:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:51:20,552 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 20:51:20,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380278046] [2020-11-29 20:51:20,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:51:20,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:51:20,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470223339] [2020-11-29 20:51:20,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:51:20,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:51:20,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:51:20,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:51:20,555 INFO L87 Difference]: Start difference. First operand 1004 states and 1169 transitions. Second operand 3 states. [2020-11-29 20:51:21,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:51:21,203 INFO L93 Difference]: Finished difference Result 2426 states and 2851 transitions. [2020-11-29 20:51:21,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:51:21,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2020-11-29 20:51:21,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:51:21,212 INFO L225 Difference]: With dead ends: 2426 [2020-11-29 20:51:21,213 INFO L226 Difference]: Without dead ends: 1564 [2020-11-29 20:51:21,214 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 [2020-11-29 20:51:21,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1564 states. [2020-11-29 20:51:21,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1564 to 1564. [2020-11-29 20:51:21,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1564 states. [2020-11-29 20:51:21,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 1779 transitions. [2020-11-29 20:51:21,253 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 1779 transitions. Word has length 134 [2020-11-29 20:51:21,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:51:21,253 INFO L481 AbstractCegarLoop]: Abstraction has 1564 states and 1779 transitions. [2020-11-29 20:51:21,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:51:21,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 1779 transitions. [2020-11-29 20:51:21,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-11-29 20:51:21,258 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:51:21,258 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 20:51:21,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 20:51:21,258 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:51:21,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:51:21,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1264276003, now seen corresponding path program 1 times [2020-11-29 20:51:21,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:51:21,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45743976] [2020-11-29 20:51:21,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:51:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:51:21,370 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 20:51:21,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45743976] [2020-11-29 20:51:21,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:51:21,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:51:21,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180599735] [2020-11-29 20:51:21,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:51:21,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:51:21,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:51:21,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:51:21,373 INFO L87 Difference]: Start difference. First operand 1564 states and 1779 transitions. Second operand 3 states. [2020-11-29 20:51:21,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:51:21,992 INFO L93 Difference]: Finished difference Result 3123 states and 3562 transitions. [2020-11-29 20:51:21,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:51:21,993 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-11-29 20:51:21,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:51:22,000 INFO L225 Difference]: With dead ends: 3123 [2020-11-29 20:51:22,000 INFO L226 Difference]: Without dead ends: 1418 [2020-11-29 20:51:22,003 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 [2020-11-29 20:51:22,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1418 states. [2020-11-29 20:51:22,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1418 to 1418. [2020-11-29 20:51:22,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1418 states. [2020-11-29 20:51:22,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 1553 transitions. [2020-11-29 20:51:22,037 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 1553 transitions. Word has length 153 [2020-11-29 20:51:22,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:51:22,038 INFO L481 AbstractCegarLoop]: Abstraction has 1418 states and 1553 transitions. [2020-11-29 20:51:22,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:51:22,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1553 transitions. [2020-11-29 20:51:22,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-29 20:51:22,042 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:51:22,042 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 20:51:22,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 20:51:22,042 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:51:22,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:51:22,043 INFO L82 PathProgramCache]: Analyzing trace with hash 873713747, now seen corresponding path program 1 times [2020-11-29 20:51:22,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:51:22,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148788408] [2020-11-29 20:51:22,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:51:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:51:22,123 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 20:51:22,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148788408] [2020-11-29 20:51:22,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:51:22,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:51:22,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634654763] [2020-11-29 20:51:22,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:51:22,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:51:22,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:51:22,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:51:22,125 INFO L87 Difference]: Start difference. First operand 1418 states and 1553 transitions. Second operand 3 states. [2020-11-29 20:51:22,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:51:22,669 INFO L93 Difference]: Finished difference Result 2691 states and 2958 transitions. [2020-11-29 20:51:22,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:51:22,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2020-11-29 20:51:22,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:51:22,670 INFO L225 Difference]: With dead ends: 2691 [2020-11-29 20:51:22,670 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 20:51:22,673 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 [2020-11-29 20:51:22,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 20:51:22,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 20:51:22,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 20:51:22,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 20:51:22,673 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2020-11-29 20:51:22,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:51:22,674 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:51:22,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:51:22,674 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 20:51:22,674 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 20:51:22,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 20:51:22,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 20:51:22,847 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 24 [2020-11-29 20:51:22,986 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 24 [2020-11-29 20:51:22,990 INFO L274 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,990 INFO L274 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,990 INFO L274 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,990 INFO L274 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-11-29 20:51:22,990 INFO L274 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-11-29 20:51:22,990 INFO L274 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-11-29 20:51:22,990 INFO L274 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-11-29 20:51:22,991 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-11-29 20:51:22,991 INFO L274 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-11-29 20:51:22,991 INFO L274 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-11-29 20:51:22,991 INFO L274 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-11-29 20:51:22,991 INFO L274 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,991 INFO L274 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,991 INFO L274 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,991 INFO L274 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-11-29 20:51:22,991 INFO L274 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-11-29 20:51:22,991 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-11-29 20:51:22,991 INFO L274 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-11-29 20:51:22,992 INFO L274 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-11-29 20:51:22,992 INFO L274 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,992 INFO L274 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,992 INFO L274 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,992 INFO L274 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-11-29 20:51:22,992 INFO L274 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-11-29 20:51:22,992 INFO L274 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-11-29 20:51:22,992 INFO L274 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-11-29 20:51:22,992 INFO L274 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-11-29 20:51:22,992 INFO L274 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-11-29 20:51:22,992 INFO L274 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-11-29 20:51:22,992 INFO L274 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-11-29 20:51:22,993 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-11-29 20:51:22,993 INFO L274 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-11-29 20:51:22,993 INFO L274 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,993 INFO L274 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,993 INFO L274 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,993 INFO L274 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-11-29 20:51:22,993 INFO L274 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-11-29 20:51:22,993 INFO L274 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-11-29 20:51:22,993 INFO L274 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-11-29 20:51:22,993 INFO L274 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-11-29 20:51:22,993 INFO L274 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-11-29 20:51:22,994 INFO L274 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-11-29 20:51:22,994 INFO L274 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,994 INFO L274 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,994 INFO L274 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,994 INFO L274 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-11-29 20:51:22,994 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-11-29 20:51:22,994 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-11-29 20:51:22,994 INFO L274 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-11-29 20:51:22,994 INFO L274 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-11-29 20:51:22,994 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-11-29 20:51:22,994 INFO L274 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-11-29 20:51:22,995 INFO L274 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,995 INFO L274 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,995 INFO L274 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,995 INFO L274 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-11-29 20:51:22,995 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-11-29 20:51:22,995 INFO L274 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-11-29 20:51:22,995 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-11-29 20:51:22,995 INFO L274 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-11-29 20:51:22,995 INFO L274 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,995 INFO L274 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,995 INFO L274 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,996 INFO L274 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-11-29 20:51:22,996 INFO L274 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-11-29 20:51:22,996 INFO L274 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-11-29 20:51:22,996 INFO L274 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-11-29 20:51:22,996 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-11-29 20:51:22,996 INFO L274 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-11-29 20:51:22,996 INFO L274 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-11-29 20:51:22,996 INFO L274 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-11-29 20:51:22,996 INFO L274 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,996 INFO L274 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,996 INFO L274 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,997 INFO L274 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-11-29 20:51:22,997 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 20:51:22,997 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-29 20:51:22,997 INFO L274 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-11-29 20:51:22,997 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-11-29 20:51:22,997 INFO L274 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-11-29 20:51:22,997 INFO L274 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-11-29 20:51:22,997 INFO L274 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-11-29 20:51:22,997 INFO L274 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-11-29 20:51:22,997 INFO L274 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,997 INFO L274 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,998 INFO L274 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,998 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-29 20:51:22,998 INFO L274 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-11-29 20:51:22,998 INFO L274 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-11-29 20:51:22,998 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-11-29 20:51:22,998 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-29 20:51:22,998 INFO L274 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-11-29 20:51:22,998 INFO L274 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-11-29 20:51:22,998 INFO L274 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-11-29 20:51:22,998 INFO L274 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-11-29 20:51:22,998 INFO L274 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,999 INFO L274 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,999 INFO L274 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:22,999 INFO L274 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-11-29 20:51:22,999 INFO L274 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-11-29 20:51:22,999 INFO L274 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-11-29 20:51:22,999 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-11-29 20:51:22,999 INFO L274 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-11-29 20:51:22,999 INFO L274 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-11-29 20:51:22,999 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 20:51:22,999 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 20:51:23,000 INFO L274 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,000 INFO L274 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,000 INFO L274 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,000 INFO L274 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-11-29 20:51:23,000 INFO L274 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-11-29 20:51:23,000 INFO L274 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-11-29 20:51:23,000 INFO L274 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-11-29 20:51:23,000 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-11-29 20:51:23,000 INFO L274 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-11-29 20:51:23,000 INFO L274 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-11-29 20:51:23,000 INFO L274 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-11-29 20:51:23,001 INFO L274 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,001 INFO L274 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,001 INFO L274 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,001 INFO L274 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-11-29 20:51:23,001 INFO L274 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-11-29 20:51:23,001 INFO L274 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-11-29 20:51:23,001 INFO L274 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-11-29 20:51:23,005 INFO L274 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-11-29 20:51:23,005 INFO L274 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,005 INFO L274 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,005 INFO L274 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,005 INFO L274 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-11-29 20:51:23,006 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-11-29 20:51:23,006 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-11-29 20:51:23,006 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-11-29 20:51:23,006 INFO L274 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-11-29 20:51:23,006 INFO L274 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-11-29 20:51:23,006 INFO L274 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-11-29 20:51:23,006 INFO L274 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-11-29 20:51:23,006 INFO L274 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-11-29 20:51:23,006 INFO L274 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-11-29 20:51:23,006 INFO L274 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-11-29 20:51:23,006 INFO L274 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,006 INFO L274 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,007 INFO L274 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-11-29 20:51:23,007 INFO L274 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-11-29 20:51:23,007 INFO L274 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-11-29 20:51:23,007 INFO L274 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-11-29 20:51:23,007 INFO L274 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-11-29 20:51:23,007 INFO L274 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-11-29 20:51:23,007 INFO L274 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-11-29 20:51:23,007 INFO L274 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-11-29 20:51:23,007 INFO L274 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-11-29 20:51:23,007 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 20:51:23,008 INFO L270 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (= ~a25~0 0)) (.cse4 (= ~a25~0 1)) (.cse6 (= ~a19~0 1)) (.cse1 (<= 10 ~a28~0)) (.cse5 (<= 8 ~a17~0)) (.cse2 (<= ~a17~0 8)) (.cse3 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (<= ~a28~0 9) .cse2) (and .cse5 .cse4 .cse2 .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse6 .cse5 .cse4 .cse2) (and .cse6 .cse1 .cse5 .cse2 .cse3))) [2020-11-29 20:51:23,008 INFO L274 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,008 INFO L274 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,008 INFO L274 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-11-29 20:51:23,008 INFO L274 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-11-29 20:51:23,008 INFO L274 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-11-29 20:51:23,008 INFO L274 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-11-29 20:51:23,008 INFO L274 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-11-29 20:51:23,008 INFO L274 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-11-29 20:51:23,008 INFO L277 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-11-29 20:51:23,008 INFO L274 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,009 INFO L274 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,009 INFO L274 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-11-29 20:51:23,009 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-29 20:51:23,009 INFO L274 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-11-29 20:51:23,009 INFO L274 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-11-29 20:51:23,009 INFO L274 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-11-29 20:51:23,009 INFO L274 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-11-29 20:51:23,009 INFO L274 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-11-29 20:51:23,009 INFO L274 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-11-29 20:51:23,009 INFO L274 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-11-29 20:51:23,009 INFO L274 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,009 INFO L274 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,009 INFO L274 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-11-29 20:51:23,010 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-11-29 20:51:23,010 INFO L274 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-11-29 20:51:23,010 INFO L274 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-11-29 20:51:23,010 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 20:51:23,010 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-29 20:51:23,010 INFO L274 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-11-29 20:51:23,011 INFO L270 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (= ~a25~0 0)) (.cse4 (= ~a25~0 1)) (.cse6 (= ~a19~0 1)) (.cse1 (<= 10 ~a28~0)) (.cse5 (<= 8 ~a17~0)) (.cse2 (<= ~a17~0 8)) (.cse3 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (<= ~a28~0 9) .cse2) (and .cse5 .cse4 .cse2 .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse6 .cse5 .cse4 .cse2) (and .cse6 .cse1 .cse5 .cse2 .cse3))) [2020-11-29 20:51:23,011 INFO L274 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,011 INFO L274 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,012 INFO L274 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-11-29 20:51:23,012 INFO L274 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-11-29 20:51:23,012 INFO L274 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-11-29 20:51:23,012 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-29 20:51:23,012 INFO L274 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-11-29 20:51:23,012 INFO L274 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,012 INFO L274 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,012 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-29 20:51:23,012 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-11-29 20:51:23,012 INFO L274 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-11-29 20:51:23,012 INFO L274 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-11-29 20:51:23,012 INFO L274 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-11-29 20:51:23,013 INFO L274 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-11-29 20:51:23,013 INFO L274 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-11-29 20:51:23,013 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-29 20:51:23,013 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-11-29 20:51:23,013 INFO L274 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,013 INFO L274 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,013 INFO L274 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-11-29 20:51:23,013 INFO L274 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,013 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 20:51:23,013 INFO L274 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-11-29 20:51:23,013 INFO L274 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-11-29 20:51:23,013 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-11-29 20:51:23,014 INFO L274 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-11-29 20:51:23,014 INFO L274 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-11-29 20:51:23,014 INFO L274 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-11-29 20:51:23,014 INFO L274 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,014 INFO L274 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,014 INFO L274 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,014 INFO L274 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-11-29 20:51:23,014 INFO L274 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-11-29 20:51:23,014 INFO L274 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-11-29 20:51:23,014 INFO L274 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-11-29 20:51:23,014 INFO L274 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-11-29 20:51:23,014 INFO L274 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,015 INFO L274 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,015 INFO L274 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 20:51:23,015 INFO L274 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-11-29 20:51:23,015 INFO L274 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-11-29 20:51:23,015 INFO L274 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-11-29 20:51:23,015 INFO L274 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-11-29 20:51:23,015 INFO L274 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-11-29 20:51:23,015 INFO L274 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-11-29 20:51:23,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 08:51:23 BoogieIcfgContainer [2020-11-29 20:51:23,047 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 20:51:23,047 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:51:23,047 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:51:23,047 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:51:23,048 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:51:13" (3/4) ... [2020-11-29 20:51:23,050 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 20:51:23,080 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 20:51:23,082 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 20:51:23,083 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:51:23,084 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:51:23,230 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3cb5b15e-b0e3-42d8-af31-5935f253cb80/bin/uautomizer/witness.graphml [2020-11-29 20:51:23,230 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:51:23,231 INFO L168 Benchmark]: Toolchain (without parser) took 12476.87 ms. Allocated memory was 94.4 MB in the beginning and 237.0 MB in the end (delta: 142.6 MB). Free memory was 62.7 MB in the beginning and 196.1 MB in the end (delta: -133.5 MB). Peak memory consumption was 134.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:51:23,231 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 94.4 MB. Free memory is still 51.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:51:23,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.06 ms. Allocated memory is still 94.4 MB. Free memory was 62.5 MB in the beginning and 55.8 MB in the end (delta: 6.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:51:23,232 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.21 ms. Allocated memory is still 94.4 MB. Free memory was 55.8 MB in the beginning and 50.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:51:23,232 INFO L168 Benchmark]: Boogie Preprocessor took 138.81 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 50.4 MB in the beginning and 85.6 MB in the end (delta: -35.2 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-11-29 20:51:23,233 INFO L168 Benchmark]: RCFGBuilder took 1674.62 ms. Allocated memory is still 113.2 MB. Free memory was 85.6 MB in the beginning and 83.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 60.6 MB. Max. memory is 16.1 GB. [2020-11-29 20:51:23,233 INFO L168 Benchmark]: TraceAbstraction took 9679.44 ms. Allocated memory was 113.2 MB in the beginning and 237.0 MB in the end (delta: 123.7 MB). Free memory was 83.5 MB in the beginning and 75.3 MB in the end (delta: 8.2 MB). Peak memory consumption was 131.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:51:23,233 INFO L168 Benchmark]: Witness Printer took 183.10 ms. Allocated memory is still 237.0 MB. Free memory was 75.3 MB in the beginning and 196.1 MB in the end (delta: -120.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:51:23,235 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 94.4 MB. Free memory is still 51.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 684.06 ms. Allocated memory is still 94.4 MB. Free memory was 62.5 MB in the beginning and 55.8 MB in the end (delta: 6.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.21 ms. Allocated memory is still 94.4 MB. Free memory was 55.8 MB in the beginning and 50.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 138.81 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 50.4 MB in the beginning and 85.6 MB in the end (delta: -35.2 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1674.62 ms. Allocated memory is still 113.2 MB. Free memory was 85.6 MB in the beginning and 83.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 60.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9679.44 ms. Allocated memory was 113.2 MB in the beginning and 237.0 MB in the end (delta: 123.7 MB). Free memory was 83.5 MB in the beginning and 75.3 MB in the end (delta: 8.2 MB). Peak memory consumption was 131.7 MB. Max. memory is 16.1 GB. * Witness Printer took 183.10 ms. Allocated memory is still 237.0 MB. Free memory was 75.3 MB in the beginning and 196.1 MB in the end (delta: -120.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: 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: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((((a25 == 0 && 10 <= a28) && a17 <= 8) && a28 <= 10) || ((a25 == 1 && a28 <= 9) && a17 <= 8)) || (((8 <= a17 && a25 == 1) && a17 <= 8) && a28 <= 10)) || (((a25 == 0 && 8 <= a17) && a17 <= 8) && a28 <= 10)) || (((a19 == 1 && 8 <= a17) && a25 == 1) && a17 <= 8)) || ((((a19 == 1 && 10 <= a28) && 8 <= a17) && a17 <= 8) && a28 <= 10) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((a25 == 0 && 10 <= a28) && a17 <= 8) && a28 <= 10) || ((a25 == 1 && a28 <= 9) && a17 <= 8)) || (((8 <= a17 && a25 == 1) && a17 <= 8) && a28 <= 10)) || (((a25 == 0 && 8 <= a17) && a17 <= 8) && a28 <= 10)) || (((a19 == 1 && 8 <= a17) && a25 == 1) && a17 <= 8)) || ((((a19 == 1 && 10 <= a28) && 8 <= a17) && a17 <= 8) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.2s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 785 SDtfs, 1275 SDslu, 101 SDs, 0 SdLazy, 2958 SolverSat, 542 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 271 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1564occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 286 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 29 NumberOfFragments, 159 HoareAnnotationTreeSize, 3 FomulaSimplifications, 324 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 24 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1387 NumberOfCodeBlocks, 1387 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1376 ConstructedInterpolants, 0 QuantifiedInterpolants, 475476 SizeOfPredicates, 1 NumberOfNonLiveVariables, 557 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 402/421 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...