./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label00.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_3ece606d-7955-4c87-b4a9-e5dd6ddccd89/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3ece606d-7955-4c87-b4a9-e5dd6ddccd89/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3ece606d-7955-4c87-b4a9-e5dd6ddccd89/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3ece606d-7955-4c87-b4a9-e5dd6ddccd89/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label00.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3ece606d-7955-4c87-b4a9-e5dd6ddccd89/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3ece606d-7955-4c87-b4a9-e5dd6ddccd89/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 a53c33c96a6264663871b921e3f0c5acac01aa5b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:43:52,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:43:52,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:43:52,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:43:52,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:43:52,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:43:52,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:43:52,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:43:52,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:43:52,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:43:52,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:43:52,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:43:52,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:43:52,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:43:52,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:43:52,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:43:52,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:43:52,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:43:52,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:43:52,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:43:52,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:43:52,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:43:52,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:43:52,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:43:52,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:43:52,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:43:52,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:43:52,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:43:52,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:43:52,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:43:52,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:43:52,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:43:52,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:43:52,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:43:52,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:43:52,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:43:52,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:43:52,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:43:52,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:43:52,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:43:52,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:43:52,485 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3ece606d-7955-4c87-b4a9-e5dd6ddccd89/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:43:52,520 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:43:52,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:43:52,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:43:52,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:43:52,528 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:43:52,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:43:52,529 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:43:52,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:43:52,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:43:52,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:43:52,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:43:52,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:43:52,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:43:52,531 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:43:52,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:43:52,532 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:43:52,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:43:52,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:43:52,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:43:52,533 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:43:52,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:43:52,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:43:52,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:43:52,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:43:52,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:43:52,534 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:43:52,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:43:52,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:43:52,535 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:43:52,535 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_3ece606d-7955-4c87-b4a9-e5dd6ddccd89/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3ece606d-7955-4c87-b4a9-e5dd6ddccd89/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a53c33c96a6264663871b921e3f0c5acac01aa5b [2020-11-29 19:43:52,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:43:52,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:43:52,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:43:52,843 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:43:52,844 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:43:52,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3ece606d-7955-4c87-b4a9-e5dd6ddccd89/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label00.c [2020-11-29 19:43:52,932 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ece606d-7955-4c87-b4a9-e5dd6ddccd89/bin/uautomizer/data/24bd2cc27/a87968dfe6364314a2f56e20b7a8e7c9/FLAG754ff8156 [2020-11-29 19:43:53,497 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:43:53,497 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3ece606d-7955-4c87-b4a9-e5dd6ddccd89/sv-benchmarks/c/eca-rers2012/Problem02_label00.c [2020-11-29 19:43:53,510 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ece606d-7955-4c87-b4a9-e5dd6ddccd89/bin/uautomizer/data/24bd2cc27/a87968dfe6364314a2f56e20b7a8e7c9/FLAG754ff8156 [2020-11-29 19:43:53,770 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3ece606d-7955-4c87-b4a9-e5dd6ddccd89/bin/uautomizer/data/24bd2cc27/a87968dfe6364314a2f56e20b7a8e7c9 [2020-11-29 19:43:53,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:43:53,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:43:53,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:43:53,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:43:53,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:43:53,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:43:53" (1/1) ... [2020-11-29 19:43:53,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c4c86be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:43:53, skipping insertion in model container [2020-11-29 19:43:53,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:43:53" (1/1) ... [2020-11-29 19:43:53,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:43:53,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:43:54,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:43:54,307 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:43:54,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:43:54,548 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:43:54,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:43:54 WrapperNode [2020-11-29 19:43:54,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:43:54,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:43:54,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:43:54,552 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:43:54,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:43:54" (1/1) ... [2020-11-29 19:43:54,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:43:54" (1/1) ... [2020-11-29 19:43:54,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:43:54,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:43:54,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:43:54,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:43:54,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:43:54" (1/1) ... [2020-11-29 19:43:54,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:43:54" (1/1) ... [2020-11-29 19:43:54,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:43:54" (1/1) ... [2020-11-29 19:43:54,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:43:54" (1/1) ... [2020-11-29 19:43:54,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:43:54" (1/1) ... [2020-11-29 19:43:54,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:43:54" (1/1) ... [2020-11-29 19:43:54,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:43:54" (1/1) ... [2020-11-29 19:43:54,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:43:54,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:43:54,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:43:54,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:43:54,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:43:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ece606d-7955-4c87-b4a9-e5dd6ddccd89/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 19:43:54,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:43:54,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:43:54,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:43:54,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:43:56,650 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:43:56,650 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 19:43:56,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:43:56 BoogieIcfgContainer [2020-11-29 19:43:56,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:43:56,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:43:56,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:43:56,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:43:56,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:43:53" (1/3) ... [2020-11-29 19:43:56,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ae655b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:43:56, skipping insertion in model container [2020-11-29 19:43:56,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:43:54" (2/3) ... [2020-11-29 19:43:56,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ae655b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:43:56, skipping insertion in model container [2020-11-29 19:43:56,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:43:56" (3/3) ... [2020-11-29 19:43:56,662 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label00.c [2020-11-29 19:43:56,673 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:43:56,678 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:43:56,689 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:43:56,731 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:43:56,731 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:43:56,731 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:43:56,731 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:43:56,731 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:43:56,731 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:43:56,732 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:43:56,732 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:43:56,755 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-11-29 19:43:56,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-11-29 19:43:56,768 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:43:56,772 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:43:56,772 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:43:56,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:43:56,779 INFO L82 PathProgramCache]: Analyzing trace with hash 1162953203, now seen corresponding path program 1 times [2020-11-29 19:43:56,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:43:56,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020837097] [2020-11-29 19:43:56,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:43:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:43:57,321 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 19:43:57,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020837097] [2020-11-29 19:43:57,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:43:57,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:43:57,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612041247] [2020-11-29 19:43:57,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:43:57,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:43:57,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:43:57,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:43:57,349 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-11-29 19:43:58,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:43:58,611 INFO L93 Difference]: Finished difference Result 631 states and 1071 transitions. [2020-11-29 19:43:58,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:43:58,612 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-11-29 19:43:58,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:43:58,638 INFO L225 Difference]: With dead ends: 631 [2020-11-29 19:43:58,638 INFO L226 Difference]: Without dead ends: 318 [2020-11-29 19:43:58,645 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 19:43:58,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-11-29 19:43:58,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2020-11-29 19:43:58,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-11-29 19:43:58,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 467 transitions. [2020-11-29 19:43:58,709 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 467 transitions. Word has length 115 [2020-11-29 19:43:58,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:43:58,711 INFO L481 AbstractCegarLoop]: Abstraction has 318 states and 467 transitions. [2020-11-29 19:43:58,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:43:58,711 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 467 transitions. [2020-11-29 19:43:58,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-11-29 19:43:58,715 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:43:58,715 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:43:58,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:43:58,716 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:43:58,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:43:58,717 INFO L82 PathProgramCache]: Analyzing trace with hash -893205274, now seen corresponding path program 1 times [2020-11-29 19:43:58,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:43:58,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919897805] [2020-11-29 19:43:58,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:43:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:43:58,811 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:43:58,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919897805] [2020-11-29 19:43:58,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:43:58,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:43:58,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036218701] [2020-11-29 19:43:58,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:43:58,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:43:58,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:43:58,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:43:58,832 INFO L87 Difference]: Start difference. First operand 318 states and 467 transitions. Second operand 3 states. [2020-11-29 19:43:59,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:43:59,545 INFO L93 Difference]: Finished difference Result 919 states and 1357 transitions. [2020-11-29 19:43:59,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:43:59,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-11-29 19:43:59,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:43:59,550 INFO L225 Difference]: With dead ends: 919 [2020-11-29 19:43:59,551 INFO L226 Difference]: Without dead ends: 603 [2020-11-29 19:43:59,552 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 19:43:59,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2020-11-29 19:43:59,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 601. [2020-11-29 19:43:59,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2020-11-29 19:43:59,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 775 transitions. [2020-11-29 19:43:59,588 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 775 transitions. Word has length 119 [2020-11-29 19:43:59,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:43:59,588 INFO L481 AbstractCegarLoop]: Abstraction has 601 states and 775 transitions. [2020-11-29 19:43:59,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:43:59,588 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 775 transitions. [2020-11-29 19:43:59,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-11-29 19:43:59,594 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:43:59,594 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:43:59,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:43:59,594 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:43:59,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:43:59,595 INFO L82 PathProgramCache]: Analyzing trace with hash 670911161, now seen corresponding path program 1 times [2020-11-29 19:43:59,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:43:59,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253321675] [2020-11-29 19:43:59,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:43:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:43:59,684 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:43:59,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253321675] [2020-11-29 19:43:59,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85279723] [2020-11-29 19:43:59,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ece606d-7955-4c87-b4a9-e5dd6ddccd89/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 19:43:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:43:59,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:43:59,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:44:00,037 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 19:44:00,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:44:00,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-29 19:44:00,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034223127] [2020-11-29 19:44:00,039 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:44:00,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:44:00,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:44:00,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:44:00,050 INFO L87 Difference]: Start difference. First operand 601 states and 775 transitions. Second operand 3 states. [2020-11-29 19:44:00,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:44:00,798 INFO L93 Difference]: Finished difference Result 1619 states and 2118 transitions. [2020-11-29 19:44:00,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:44:00,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-11-29 19:44:00,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:44:00,810 INFO L225 Difference]: With dead ends: 1619 [2020-11-29 19:44:00,817 INFO L226 Difference]: Without dead ends: 1020 [2020-11-29 19:44:00,818 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:44:00,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2020-11-29 19:44:00,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 739. [2020-11-29 19:44:00,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2020-11-29 19:44:00,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 986 transitions. [2020-11-29 19:44:00,886 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 986 transitions. Word has length 124 [2020-11-29 19:44:00,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:44:00,887 INFO L481 AbstractCegarLoop]: Abstraction has 739 states and 986 transitions. [2020-11-29 19:44:00,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:44:00,888 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 986 transitions. [2020-11-29 19:44:00,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-11-29 19:44:00,895 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:44:00,896 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:44:01,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-29 19:44:01,110 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:44:01,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:44:01,111 INFO L82 PathProgramCache]: Analyzing trace with hash -365994205, now seen corresponding path program 1 times [2020-11-29 19:44:01,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:44:01,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760751241] [2020-11-29 19:44:01,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:44:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:01,263 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:44:01,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760751241] [2020-11-29 19:44:01,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:44:01,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:44:01,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478225317] [2020-11-29 19:44:01,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:44:01,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:44:01,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:44:01,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:44:01,271 INFO L87 Difference]: Start difference. First operand 739 states and 986 transitions. Second operand 3 states. [2020-11-29 19:44:01,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:44:01,971 INFO L93 Difference]: Finished difference Result 1900 states and 2607 transitions. [2020-11-29 19:44:01,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:44:01,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-11-29 19:44:01,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:44:01,979 INFO L225 Difference]: With dead ends: 1900 [2020-11-29 19:44:01,979 INFO L226 Difference]: Without dead ends: 1163 [2020-11-29 19:44:01,981 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 19:44:01,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2020-11-29 19:44:02,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 1160. [2020-11-29 19:44:02,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1160 states. [2020-11-29 19:44:02,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1588 transitions. [2020-11-29 19:44:02,024 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1588 transitions. Word has length 138 [2020-11-29 19:44:02,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:44:02,026 INFO L481 AbstractCegarLoop]: Abstraction has 1160 states and 1588 transitions. [2020-11-29 19:44:02,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:44:02,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1588 transitions. [2020-11-29 19:44:02,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-11-29 19:44:02,032 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:44:02,033 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:44:02,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 19:44:02,033 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:44:02,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:44:02,035 INFO L82 PathProgramCache]: Analyzing trace with hash 495607661, now seen corresponding path program 1 times [2020-11-29 19:44:02,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:44:02,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382160773] [2020-11-29 19:44:02,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:44:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:02,407 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 19:44:02,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382160773] [2020-11-29 19:44:02,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212337868] [2020-11-29 19:44:02,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ece606d-7955-4c87-b4a9-e5dd6ddccd89/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 19:44:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:02,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:44:02,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:44:02,597 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 19:44:02,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:44:02,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 19:44:02,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891304862] [2020-11-29 19:44:02,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:44:02,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:44:02,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:44:02,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:44:02,603 INFO L87 Difference]: Start difference. First operand 1160 states and 1588 transitions. Second operand 3 states. [2020-11-29 19:44:03,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:44:03,338 INFO L93 Difference]: Finished difference Result 3032 states and 4145 transitions. [2020-11-29 19:44:03,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:44:03,338 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-11-29 19:44:03,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:44:03,350 INFO L225 Difference]: With dead ends: 3032 [2020-11-29 19:44:03,351 INFO L226 Difference]: Without dead ends: 1874 [2020-11-29 19:44:03,353 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:44:03,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1874 states. [2020-11-29 19:44:03,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1874 to 1593. [2020-11-29 19:44:03,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1593 states. [2020-11-29 19:44:03,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 2080 transitions. [2020-11-29 19:44:03,407 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 2080 transitions. Word has length 142 [2020-11-29 19:44:03,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:44:03,408 INFO L481 AbstractCegarLoop]: Abstraction has 1593 states and 2080 transitions. [2020-11-29 19:44:03,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:44:03,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2080 transitions. [2020-11-29 19:44:03,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-11-29 19:44:03,413 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:44:03,413 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:44:03,631 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:44:03,631 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:44:03,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:44:03,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1075046601, now seen corresponding path program 1 times [2020-11-29 19:44:03,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:44:03,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839177706] [2020-11-29 19:44:03,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:44:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:03,766 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 19:44:03,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839177706] [2020-11-29 19:44:03,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:44:03,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:44:03,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690352280] [2020-11-29 19:44:03,768 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:44:03,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:44:03,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:44:03,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:44:03,778 INFO L87 Difference]: Start difference. First operand 1593 states and 2080 transitions. Second operand 3 states. [2020-11-29 19:44:04,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:44:04,389 INFO L93 Difference]: Finished difference Result 3172 states and 4140 transitions. [2020-11-29 19:44:04,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:44:04,390 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2020-11-29 19:44:04,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:44:04,399 INFO L225 Difference]: With dead ends: 3172 [2020-11-29 19:44:04,399 INFO L226 Difference]: Without dead ends: 1581 [2020-11-29 19:44:04,402 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 19:44:04,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2020-11-29 19:44:04,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1581. [2020-11-29 19:44:04,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1581 states. [2020-11-29 19:44:04,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 1901 transitions. [2020-11-29 19:44:04,477 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 1901 transitions. Word has length 146 [2020-11-29 19:44:04,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:44:04,481 INFO L481 AbstractCegarLoop]: Abstraction has 1581 states and 1901 transitions. [2020-11-29 19:44:04,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:44:04,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 1901 transitions. [2020-11-29 19:44:04,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-11-29 19:44:04,487 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:44:04,487 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:44:04,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 19:44:04,488 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:44:04,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:44:04,488 INFO L82 PathProgramCache]: Analyzing trace with hash -1221461981, now seen corresponding path program 1 times [2020-11-29 19:44:04,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:44:04,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267407236] [2020-11-29 19:44:04,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:44:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:04,577 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-11-29 19:44:04,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267407236] [2020-11-29 19:44:04,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459392966] [2020-11-29 19:44:04,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ece606d-7955-4c87-b4a9-e5dd6ddccd89/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:44:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:04,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:44:04,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:44:04,816 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 19:44:04,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:44:04,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-29 19:44:04,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339493119] [2020-11-29 19:44:04,818 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:44:04,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:44:04,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:44:04,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:44:04,820 INFO L87 Difference]: Start difference. First operand 1581 states and 1901 transitions. Second operand 3 states. [2020-11-29 19:44:05,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:44:05,195 INFO L93 Difference]: Finished difference Result 2868 states and 3449 transitions. [2020-11-29 19:44:05,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:44:05,196 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2020-11-29 19:44:05,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:44:05,203 INFO L225 Difference]: With dead ends: 2868 [2020-11-29 19:44:05,203 INFO L226 Difference]: Without dead ends: 1289 [2020-11-29 19:44:05,205 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:44:05,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2020-11-29 19:44:05,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1289. [2020-11-29 19:44:05,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1289 states. [2020-11-29 19:44:05,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1500 transitions. [2020-11-29 19:44:05,238 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1500 transitions. Word has length 197 [2020-11-29 19:44:05,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:44:05,239 INFO L481 AbstractCegarLoop]: Abstraction has 1289 states and 1500 transitions. [2020-11-29 19:44:05,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:44:05,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1500 transitions. [2020-11-29 19:44:05,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-11-29 19:44:05,243 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:44:05,244 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:44:05,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:44:05,472 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:44:05,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:44:05,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1030799956, now seen corresponding path program 1 times [2020-11-29 19:44:05,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:44:05,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979095706] [2020-11-29 19:44:05,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:44:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:05,617 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 19:44:05,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979095706] [2020-11-29 19:44:05,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:44:05,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:44:05,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393076035] [2020-11-29 19:44:05,622 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:44:05,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:44:05,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:44:05,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:44:05,624 INFO L87 Difference]: Start difference. First operand 1289 states and 1500 transitions. Second operand 3 states. [2020-11-29 19:44:06,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:44:06,236 INFO L93 Difference]: Finished difference Result 2286 states and 2646 transitions. [2020-11-29 19:44:06,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:44:06,237 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2020-11-29 19:44:06,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:44:06,244 INFO L225 Difference]: With dead ends: 2286 [2020-11-29 19:44:06,244 INFO L226 Difference]: Without dead ends: 1289 [2020-11-29 19:44:06,246 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 19:44:06,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2020-11-29 19:44:06,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1289. [2020-11-29 19:44:06,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1289 states. [2020-11-29 19:44:06,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1459 transitions. [2020-11-29 19:44:06,278 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1459 transitions. Word has length 208 [2020-11-29 19:44:06,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:44:06,278 INFO L481 AbstractCegarLoop]: Abstraction has 1289 states and 1459 transitions. [2020-11-29 19:44:06,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:44:06,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1459 transitions. [2020-11-29 19:44:06,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-11-29 19:44:06,283 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:44:06,284 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:44:06,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 19:44:06,284 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:44:06,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:44:06,285 INFO L82 PathProgramCache]: Analyzing trace with hash -515725533, now seen corresponding path program 1 times [2020-11-29 19:44:06,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:44:06,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820855310] [2020-11-29 19:44:06,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:44:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:06,458 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 64 proven. 8 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-11-29 19:44:06,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820855310] [2020-11-29 19:44:06,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795701329] [2020-11-29 19:44:06,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ece606d-7955-4c87-b4a9-e5dd6ddccd89/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:44:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:06,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:44:06,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:44:06,662 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-29 19:44:06,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:44:06,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 19:44:06,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145008532] [2020-11-29 19:44:06,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:44:06,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:44:06,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:44:06,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:44:06,665 INFO L87 Difference]: Start difference. First operand 1289 states and 1459 transitions. Second operand 3 states. [2020-11-29 19:44:07,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:44:07,422 INFO L93 Difference]: Finished difference Result 2994 states and 3420 transitions. [2020-11-29 19:44:07,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:44:07,423 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2020-11-29 19:44:07,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:44:07,423 INFO L225 Difference]: With dead ends: 2994 [2020-11-29 19:44:07,423 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:44:07,427 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:44:07,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:44:07,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:44:07,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:44:07,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:44:07,428 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 214 [2020-11-29 19:44:07,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:44:07,428 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:44:07,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:44:07,429 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:44:07,429 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:44:07,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:44:07,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:44:07,835 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2020-11-29 19:44:07,964 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2020-11-29 19:44:07,967 INFO L274 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,968 INFO L274 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,968 INFO L274 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,968 INFO L274 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-11-29 19:44:07,968 INFO L274 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-11-29 19:44:07,968 INFO L274 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-11-29 19:44:07,968 INFO L274 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-11-29 19:44:07,968 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-11-29 19:44:07,968 INFO L274 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-11-29 19:44:07,969 INFO L274 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-11-29 19:44:07,969 INFO L274 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-11-29 19:44:07,969 INFO L274 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,969 INFO L274 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,969 INFO L274 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,969 INFO L274 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-11-29 19:44:07,969 INFO L274 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-11-29 19:44:07,969 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-11-29 19:44:07,969 INFO L274 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-11-29 19:44:07,969 INFO L274 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-11-29 19:44:07,969 INFO L274 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,970 INFO L274 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,970 INFO L274 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,970 INFO L274 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-11-29 19:44:07,970 INFO L274 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-11-29 19:44:07,970 INFO L274 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-11-29 19:44:07,970 INFO L274 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-11-29 19:44:07,970 INFO L274 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-11-29 19:44:07,970 INFO L274 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-11-29 19:44:07,970 INFO L274 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-11-29 19:44:07,970 INFO L274 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-11-29 19:44:07,970 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-11-29 19:44:07,971 INFO L274 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-11-29 19:44:07,971 INFO L274 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,971 INFO L274 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,971 INFO L274 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,971 INFO L274 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-11-29 19:44:07,971 INFO L274 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-11-29 19:44:07,971 INFO L274 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-11-29 19:44:07,971 INFO L274 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-11-29 19:44:07,971 INFO L274 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-11-29 19:44:07,971 INFO L274 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-11-29 19:44:07,972 INFO L274 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-11-29 19:44:07,972 INFO L274 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,972 INFO L274 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,972 INFO L274 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,972 INFO L274 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-11-29 19:44:07,972 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-11-29 19:44:07,972 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-11-29 19:44:07,972 INFO L274 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-11-29 19:44:07,972 INFO L274 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-11-29 19:44:07,972 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-11-29 19:44:07,972 INFO L274 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-11-29 19:44:07,973 INFO L274 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,973 INFO L274 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,973 INFO L274 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,973 INFO L274 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-11-29 19:44:07,973 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-11-29 19:44:07,973 INFO L274 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-11-29 19:44:07,973 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-11-29 19:44:07,973 INFO L274 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-11-29 19:44:07,973 INFO L274 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,973 INFO L274 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,974 INFO L274 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,974 INFO L274 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-11-29 19:44:07,974 INFO L274 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-11-29 19:44:07,974 INFO L274 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-11-29 19:44:07,974 INFO L274 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-11-29 19:44:07,974 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-11-29 19:44:07,974 INFO L274 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-11-29 19:44:07,974 INFO L274 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-11-29 19:44:07,974 INFO L274 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-11-29 19:44:07,974 INFO L274 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,974 INFO L274 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,975 INFO L274 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,975 INFO L274 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-11-29 19:44:07,975 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:44:07,975 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-29 19:44:07,975 INFO L274 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-11-29 19:44:07,975 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-11-29 19:44:07,975 INFO L274 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-11-29 19:44:07,975 INFO L274 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-11-29 19:44:07,975 INFO L274 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-11-29 19:44:07,975 INFO L274 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-11-29 19:44:07,976 INFO L274 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,976 INFO L274 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,979 INFO L274 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,979 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-29 19:44:07,979 INFO L274 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-11-29 19:44:07,979 INFO L274 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-11-29 19:44:07,979 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-11-29 19:44:07,979 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-29 19:44:07,979 INFO L274 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-11-29 19:44:07,979 INFO L274 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-11-29 19:44:07,979 INFO L274 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-11-29 19:44:07,979 INFO L274 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-11-29 19:44:07,979 INFO L274 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,980 INFO L274 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,980 INFO L274 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,980 INFO L274 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-11-29 19:44:07,980 INFO L274 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-11-29 19:44:07,980 INFO L274 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-11-29 19:44:07,980 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-11-29 19:44:07,980 INFO L274 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-11-29 19:44:07,980 INFO L274 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-11-29 19:44:07,980 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:44:07,980 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 19:44:07,981 INFO L274 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,981 INFO L274 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,981 INFO L274 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,981 INFO L274 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-11-29 19:44:07,981 INFO L274 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-11-29 19:44:07,981 INFO L274 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-11-29 19:44:07,981 INFO L274 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-11-29 19:44:07,981 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-11-29 19:44:07,981 INFO L274 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-11-29 19:44:07,981 INFO L274 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-11-29 19:44:07,981 INFO L274 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-11-29 19:44:07,981 INFO L274 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,982 INFO L274 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,982 INFO L274 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,982 INFO L274 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-11-29 19:44:07,982 INFO L274 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-11-29 19:44:07,983 INFO L274 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-11-29 19:44:07,983 INFO L274 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-11-29 19:44:07,983 INFO L274 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-11-29 19:44:07,983 INFO L274 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,983 INFO L274 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,983 INFO L274 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,983 INFO L274 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-11-29 19:44:07,983 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-11-29 19:44:07,983 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-11-29 19:44:07,983 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-11-29 19:44:07,983 INFO L274 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-11-29 19:44:07,983 INFO L274 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-11-29 19:44:07,984 INFO L274 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-11-29 19:44:07,984 INFO L274 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-11-29 19:44:07,984 INFO L274 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-11-29 19:44:07,984 INFO L274 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-11-29 19:44:07,984 INFO L274 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-11-29 19:44:07,984 INFO L274 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,984 INFO L274 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,984 INFO L274 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-11-29 19:44:07,984 INFO L274 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-11-29 19:44:07,984 INFO L274 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-11-29 19:44:07,984 INFO L274 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-11-29 19:44:07,985 INFO L274 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-11-29 19:44:07,985 INFO L274 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-11-29 19:44:07,985 INFO L274 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-11-29 19:44:07,985 INFO L274 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-11-29 19:44:07,985 INFO L274 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-11-29 19:44:07,985 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 19:44:07,986 INFO L270 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 0)) (.cse4 (= ~a11~0 0)) (.cse1 (<= ~a17~0 8)) (.cse0 (= ~a19~0 1)) (.cse3 (<= ~a28~0 10))) (or (and (= ~a25~0 ~a11~0) .cse0 (<= ~a28~0 7) .cse1) (and .cse2 .cse1 .cse3) (and .cse0 .cse4 .cse1) (and .cse2 .cse4 .cse1) (and .cse0 (<= 8 ~a17~0) .cse1) (and .cse0 (<= 10 ~a28~0) (<= ~a17~0 7) .cse3))) [2020-11-29 19:44:07,986 INFO L274 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,987 INFO L274 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,987 INFO L274 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-11-29 19:44:07,987 INFO L274 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-11-29 19:44:07,987 INFO L274 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-11-29 19:44:07,987 INFO L274 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-11-29 19:44:07,987 INFO L274 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-11-29 19:44:07,987 INFO L274 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-11-29 19:44:07,987 INFO L277 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-11-29 19:44:07,987 INFO L274 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,987 INFO L274 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,987 INFO L274 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-11-29 19:44:07,988 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-29 19:44:07,988 INFO L274 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-11-29 19:44:07,988 INFO L274 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-11-29 19:44:07,988 INFO L274 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-11-29 19:44:07,988 INFO L274 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-11-29 19:44:07,988 INFO L274 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-11-29 19:44:07,988 INFO L274 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-11-29 19:44:07,988 INFO L274 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-11-29 19:44:07,988 INFO L274 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,988 INFO L274 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,988 INFO L274 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-11-29 19:44:07,989 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-11-29 19:44:07,989 INFO L274 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-11-29 19:44:07,989 INFO L274 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-11-29 19:44:07,989 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:44:07,989 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-29 19:44:07,989 INFO L274 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-11-29 19:44:07,990 INFO L270 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 0)) (.cse4 (= ~a11~0 0)) (.cse1 (<= ~a17~0 8)) (.cse0 (= ~a19~0 1)) (.cse3 (<= ~a28~0 10))) (or (and (= ~a25~0 ~a11~0) .cse0 (<= ~a28~0 7) .cse1) (and .cse2 .cse1 .cse3) (and .cse0 .cse4 .cse1) (and .cse2 .cse4 .cse1) (and .cse0 (<= 8 ~a17~0) .cse1) (and .cse0 (<= 10 ~a28~0) (<= ~a17~0 7) .cse3))) [2020-11-29 19:44:07,990 INFO L274 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,990 INFO L274 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,990 INFO L274 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-11-29 19:44:07,990 INFO L274 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-11-29 19:44:07,990 INFO L274 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-11-29 19:44:07,990 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-29 19:44:07,990 INFO L274 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-11-29 19:44:07,990 INFO L274 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,990 INFO L274 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,990 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-29 19:44:07,991 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-11-29 19:44:07,991 INFO L274 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-11-29 19:44:07,991 INFO L274 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-11-29 19:44:07,991 INFO L274 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-11-29 19:44:07,991 INFO L274 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-11-29 19:44:07,991 INFO L274 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-11-29 19:44:07,991 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-29 19:44:07,991 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-11-29 19:44:07,991 INFO L274 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,991 INFO L274 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,991 INFO L274 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-11-29 19:44:07,991 INFO L274 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,992 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:44:07,992 INFO L274 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-11-29 19:44:07,992 INFO L274 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-11-29 19:44:07,992 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-11-29 19:44:07,992 INFO L274 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-11-29 19:44:07,992 INFO L274 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-11-29 19:44:07,992 INFO L274 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-11-29 19:44:07,992 INFO L274 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,992 INFO L274 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,992 INFO L274 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,992 INFO L274 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-11-29 19:44:07,993 INFO L274 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-11-29 19:44:07,993 INFO L274 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-11-29 19:44:07,993 INFO L274 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-11-29 19:44:07,993 INFO L274 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-11-29 19:44:07,993 INFO L274 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,993 INFO L274 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,993 INFO L274 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:44:07,993 INFO L274 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-11-29 19:44:07,993 INFO L274 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-11-29 19:44:07,993 INFO L274 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-11-29 19:44:07,993 INFO L274 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-11-29 19:44:07,993 INFO L274 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-11-29 19:44:07,994 INFO L274 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-11-29 19:44:08,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:44:08 BoogieIcfgContainer [2020-11-29 19:44:08,030 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:44:08,030 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:44:08,030 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:44:08,030 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:44:08,031 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:43:56" (3/4) ... [2020-11-29 19:44:08,033 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:44:08,062 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 19:44:08,063 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 19:44:08,065 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:44:08,066 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:44:08,201 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3ece606d-7955-4c87-b4a9-e5dd6ddccd89/bin/uautomizer/witness.graphml [2020-11-29 19:44:08,201 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:44:08,202 INFO L168 Benchmark]: Toolchain (without parser) took 14427.22 ms. Allocated memory was 102.8 MB in the beginning and 276.8 MB in the end (delta: 174.1 MB). Free memory was 70.5 MB in the beginning and 162.6 MB in the end (delta: -92.1 MB). Peak memory consumption was 81.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:44:08,202 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 77.6 MB. Free memory is still 37.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:44:08,202 INFO L168 Benchmark]: CACSL2BoogieTranslator took 770.29 ms. Allocated memory is still 102.8 MB. Free memory was 70.2 MB in the beginning and 64.1 MB in the end (delta: 6.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:44:08,203 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.92 ms. Allocated memory is still 102.8 MB. Free memory was 64.1 MB in the beginning and 58.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:44:08,203 INFO L168 Benchmark]: Boogie Preprocessor took 73.01 ms. Allocated memory is still 102.8 MB. Free memory was 58.3 MB in the beginning and 54.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:44:08,203 INFO L168 Benchmark]: RCFGBuilder took 1892.80 ms. Allocated memory was 102.8 MB in the beginning and 144.7 MB in the end (delta: 41.9 MB). Free memory was 54.1 MB in the beginning and 72.1 MB in the end (delta: -18.0 MB). Peak memory consumption was 36.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:44:08,204 INFO L168 Benchmark]: TraceAbstraction took 11375.71 ms. Allocated memory was 144.7 MB in the beginning and 276.8 MB in the end (delta: 132.1 MB). Free memory was 71.0 MB in the beginning and 177.3 MB in the end (delta: -106.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:44:08,204 INFO L168 Benchmark]: Witness Printer took 170.69 ms. Allocated memory is still 276.8 MB. Free memory was 177.3 MB in the beginning and 162.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:44:08,206 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 77.6 MB. Free memory is still 37.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 770.29 ms. Allocated memory is still 102.8 MB. Free memory was 70.2 MB in the beginning and 64.1 MB in the end (delta: 6.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 132.92 ms. Allocated memory is still 102.8 MB. Free memory was 64.1 MB in the beginning and 58.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.01 ms. Allocated memory is still 102.8 MB. Free memory was 58.3 MB in the beginning and 54.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1892.80 ms. Allocated memory was 102.8 MB in the beginning and 144.7 MB in the end (delta: 41.9 MB). Free memory was 54.1 MB in the beginning and 72.1 MB in the end (delta: -18.0 MB). Peak memory consumption was 36.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11375.71 ms. Allocated memory was 144.7 MB in the beginning and 276.8 MB in the end (delta: 132.1 MB). Free memory was 71.0 MB in the beginning and 177.3 MB in the end (delta: -106.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. * Witness Printer took 170.69 ms. Allocated memory is still 276.8 MB. Free memory was 177.3 MB in the beginning and 162.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 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 == a11 && a19 == 1) && a28 <= 7) && a17 <= 8) || ((a19 <= 0 && a17 <= 8) && a28 <= 10)) || ((a19 == 1 && a11 == 0) && a17 <= 8)) || ((a19 <= 0 && a11 == 0) && a17 <= 8)) || ((a19 == 1 && 8 <= a17) && a17 <= 8)) || (((a19 == 1 && 10 <= a28) && a17 <= 7) && a28 <= 10) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((a25 == a11 && a19 == 1) && a28 <= 7) && a17 <= 8) || ((a19 <= 0 && a17 <= 8) && a28 <= 10)) || ((a19 == 1 && a11 == 0) && a17 <= 8)) || ((a19 <= 0 && a11 == 0) && a17 <= 8)) || ((a19 == 1 && 8 <= a17) && a17 <= 8)) || (((a19 == 1 && 10 <= a28) && a17 <= 7) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.9s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1050 SDtfs, 1004 SDslu, 121 SDs, 0 SdLazy, 3179 SolverSat, 579 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 699 GetRequests, 680 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1593occurred in iteration=5, 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, 567 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 35 NumberOfFragments, 135 HoareAnnotationTreeSize, 3 FomulaSimplifications, 478 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 102 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2080 NumberOfCodeBlocks, 2080 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2067 ConstructedInterpolants, 0 QuantifiedInterpolants, 922165 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1282 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 699/729 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...