./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label54.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_9c800dc2-f413-49eb-9aae-c20ee2df2359/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9c800dc2-f413-49eb-9aae-c20ee2df2359/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9c800dc2-f413-49eb-9aae-c20ee2df2359/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9c800dc2-f413-49eb-9aae-c20ee2df2359/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label54.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9c800dc2-f413-49eb-9aae-c20ee2df2359/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9c800dc2-f413-49eb-9aae-c20ee2df2359/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 fe7c72dc6c69dc89ca79e813e8198cc29c1edb75 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 21:18:20,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:18:20,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:18:20,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:18:20,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:18:20,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:18:20,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:18:20,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:18:20,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:18:20,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:18:20,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:18:20,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:18:20,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:18:20,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:18:20,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:18:20,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:18:20,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:18:20,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:18:20,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:18:20,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:18:20,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:18:20,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:18:20,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:18:20,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:18:20,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:18:20,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:18:20,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:18:20,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:18:20,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:18:20,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:18:20,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:18:20,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:18:20,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:18:20,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:18:20,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:18:20,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:18:20,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:18:20,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:18:20,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:18:20,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:18:20,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:18:20,726 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9c800dc2-f413-49eb-9aae-c20ee2df2359/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 21:18:20,750 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:18:20,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:18:20,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:18:20,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:18:20,752 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 21:18:20,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:18:20,753 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:18:20,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:18:20,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:18:20,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:18:20,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:18:20,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:18:20,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:18:20,754 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:18:20,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:18:20,754 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:18:20,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:18:20,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:18:20,755 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 21:18:20,755 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:18:20,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 21:18:20,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 21:18:20,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:18:20,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:18:20,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:18:20,757 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 21:18:20,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:18:20,757 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:18:20,757 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 21:18:20,757 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_9c800dc2-f413-49eb-9aae-c20ee2df2359/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9c800dc2-f413-49eb-9aae-c20ee2df2359/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe7c72dc6c69dc89ca79e813e8198cc29c1edb75 [2020-11-29 21:18:20,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:18:21,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:18:21,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:18:21,021 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:18:21,035 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:18:21,036 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9c800dc2-f413-49eb-9aae-c20ee2df2359/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label54.c [2020-11-29 21:18:21,099 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c800dc2-f413-49eb-9aae-c20ee2df2359/bin/uautomizer/data/7bf67de50/f14c1607d98d43c380c8b4a4935275fd/FLAG4ea4507dc [2020-11-29 21:18:21,743 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:18:21,743 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9c800dc2-f413-49eb-9aae-c20ee2df2359/sv-benchmarks/c/eca-rers2012/Problem10_label54.c [2020-11-29 21:18:21,757 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c800dc2-f413-49eb-9aae-c20ee2df2359/bin/uautomizer/data/7bf67de50/f14c1607d98d43c380c8b4a4935275fd/FLAG4ea4507dc [2020-11-29 21:18:22,044 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9c800dc2-f413-49eb-9aae-c20ee2df2359/bin/uautomizer/data/7bf67de50/f14c1607d98d43c380c8b4a4935275fd [2020-11-29 21:18:22,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:18:22,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:18:22,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:18:22,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:18:22,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:18:22,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:18:22" (1/1) ... [2020-11-29 21:18:22,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62cbc83b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:22, skipping insertion in model container [2020-11-29 21:18:22,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:18:22" (1/1) ... [2020-11-29 21:18:22,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:18:22,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:18:22,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:18:22,576 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:18:22,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:18:22,712 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:18:22,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:22 WrapperNode [2020-11-29 21:18:22,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:18:22,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:18:22,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:18:22,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:18:22,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:22" (1/1) ... [2020-11-29 21:18:22,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:22" (1/1) ... [2020-11-29 21:18:22,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:18:22,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:18:22,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:18:22,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:18:22,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:22" (1/1) ... [2020-11-29 21:18:22,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:22" (1/1) ... [2020-11-29 21:18:22,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:22" (1/1) ... [2020-11-29 21:18:22,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:22" (1/1) ... [2020-11-29 21:18:22,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:22" (1/1) ... [2020-11-29 21:18:22,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:22" (1/1) ... [2020-11-29 21:18:22,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:22" (1/1) ... [2020-11-29 21:18:22,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:18:22,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:18:22,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:18:22,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:18:22,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c800dc2-f413-49eb-9aae-c20ee2df2359/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 21:18:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 21:18:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:18:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:18:23,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:18:24,599 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:18:24,599 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 21:18:24,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:18:24 BoogieIcfgContainer [2020-11-29 21:18:24,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:18:24,605 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 21:18:24,605 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 21:18:24,608 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 21:18:24,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 09:18:22" (1/3) ... [2020-11-29 21:18:24,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45198a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:18:24, skipping insertion in model container [2020-11-29 21:18:24,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:22" (2/3) ... [2020-11-29 21:18:24,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45198a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:18:24, skipping insertion in model container [2020-11-29 21:18:24,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:18:24" (3/3) ... [2020-11-29 21:18:24,611 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label54.c [2020-11-29 21:18:24,621 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 21:18:24,626 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 21:18:24,637 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 21:18:24,675 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 21:18:24,675 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 21:18:24,675 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 21:18:24,675 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 21:18:24,675 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 21:18:24,675 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 21:18:24,676 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 21:18:24,676 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 21:18:24,698 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-11-29 21:18:24,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 21:18:24,709 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:18:24,710 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] [2020-11-29 21:18:24,711 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:18:24,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:18:24,717 INFO L82 PathProgramCache]: Analyzing trace with hash 531730986, now seen corresponding path program 1 times [2020-11-29 21:18:24,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:18:24,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936763506] [2020-11-29 21:18:24,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:18:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:25,058 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 21:18:25,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936763506] [2020-11-29 21:18:25,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:18:25,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:18:25,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395162654] [2020-11-29 21:18:25,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:18:25,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:18:25,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:18:25,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:18:25,077 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-11-29 21:18:26,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:18:26,219 INFO L93 Difference]: Finished difference Result 568 states and 982 transitions. [2020-11-29 21:18:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:18:26,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-11-29 21:18:26,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:18:26,246 INFO L225 Difference]: With dead ends: 568 [2020-11-29 21:18:26,246 INFO L226 Difference]: Without dead ends: 282 [2020-11-29 21:18:26,250 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 21:18:26,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-11-29 21:18:26,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-11-29 21:18:26,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-11-29 21:18:26,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 412 transitions. [2020-11-29 21:18:26,353 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 412 transitions. Word has length 62 [2020-11-29 21:18:26,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:18:26,355 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 412 transitions. [2020-11-29 21:18:26,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:18:26,356 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 412 transitions. [2020-11-29 21:18:26,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-11-29 21:18:26,368 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:18:26,369 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:18:26,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 21:18:26,369 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:18:26,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:18:26,370 INFO L82 PathProgramCache]: Analyzing trace with hash -900223604, now seen corresponding path program 1 times [2020-11-29 21:18:26,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:18:26,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813301618] [2020-11-29 21:18:26,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:18:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:26,607 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:18:26,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813301618] [2020-11-29 21:18:26,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:18:26,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:18:26,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337361970] [2020-11-29 21:18:26,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:18:26,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:18:26,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:18:26,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:18:26,612 INFO L87 Difference]: Start difference. First operand 282 states and 412 transitions. Second operand 3 states. [2020-11-29 21:18:27,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:18:27,276 INFO L93 Difference]: Finished difference Result 840 states and 1231 transitions. [2020-11-29 21:18:27,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:18:27,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2020-11-29 21:18:27,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:18:27,280 INFO L225 Difference]: With dead ends: 840 [2020-11-29 21:18:27,280 INFO L226 Difference]: Without dead ends: 560 [2020-11-29 21:18:27,282 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 21:18:27,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-11-29 21:18:27,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-11-29 21:18:27,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-11-29 21:18:27,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 730 transitions. [2020-11-29 21:18:27,329 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 730 transitions. Word has length 132 [2020-11-29 21:18:27,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:18:27,330 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 730 transitions. [2020-11-29 21:18:27,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:18:27,330 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 730 transitions. [2020-11-29 21:18:27,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-11-29 21:18:27,333 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:18:27,333 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:18:27,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 21:18:27,334 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:18:27,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:18:27,335 INFO L82 PathProgramCache]: Analyzing trace with hash -2105043162, now seen corresponding path program 1 times [2020-11-29 21:18:27,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:18:27,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286300701] [2020-11-29 21:18:27,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:18:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:27,710 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:18:27,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286300701] [2020-11-29 21:18:27,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:18:27,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 21:18:27,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184136693] [2020-11-29 21:18:27,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 21:18:27,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:18:27,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 21:18:27,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-29 21:18:27,713 INFO L87 Difference]: Start difference. First operand 560 states and 730 transitions. Second operand 7 states. [2020-11-29 21:18:28,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:18:28,284 INFO L93 Difference]: Finished difference Result 1173 states and 1513 transitions. [2020-11-29 21:18:28,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 21:18:28,285 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 137 [2020-11-29 21:18:28,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:18:28,289 INFO L225 Difference]: With dead ends: 1173 [2020-11-29 21:18:28,289 INFO L226 Difference]: Without dead ends: 560 [2020-11-29 21:18:28,291 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-29 21:18:28,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-11-29 21:18:28,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-11-29 21:18:28,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-11-29 21:18:28,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 726 transitions. [2020-11-29 21:18:28,313 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 726 transitions. Word has length 137 [2020-11-29 21:18:28,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:18:28,313 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 726 transitions. [2020-11-29 21:18:28,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 21:18:28,314 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 726 transitions. [2020-11-29 21:18:28,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-11-29 21:18:28,317 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:18:28,317 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:18:28,317 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 21:18:28,318 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:18:28,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:18:28,318 INFO L82 PathProgramCache]: Analyzing trace with hash 865136382, now seen corresponding path program 1 times [2020-11-29 21:18:28,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:18:28,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796679779] [2020-11-29 21:18:28,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:18:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:28,430 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:18:28,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796679779] [2020-11-29 21:18:28,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:18:28,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:18:28,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792596634] [2020-11-29 21:18:28,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:18:28,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:18:28,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:18:28,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:18:28,433 INFO L87 Difference]: Start difference. First operand 560 states and 726 transitions. Second operand 3 states. [2020-11-29 21:18:29,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:18:29,136 INFO L93 Difference]: Finished difference Result 1674 states and 2173 transitions. [2020-11-29 21:18:29,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:18:29,136 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-11-29 21:18:29,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:18:29,143 INFO L225 Difference]: With dead ends: 1674 [2020-11-29 21:18:29,143 INFO L226 Difference]: Without dead ends: 1116 [2020-11-29 21:18:29,145 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 21:18:29,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-11-29 21:18:29,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 977. [2020-11-29 21:18:29,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-11-29 21:18:29,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1241 transitions. [2020-11-29 21:18:29,171 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1241 transitions. Word has length 153 [2020-11-29 21:18:29,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:18:29,172 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1241 transitions. [2020-11-29 21:18:29,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:18:29,172 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1241 transitions. [2020-11-29 21:18:29,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-11-29 21:18:29,175 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:18:29,175 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:18:29,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 21:18:29,176 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:18:29,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:18:29,176 INFO L82 PathProgramCache]: Analyzing trace with hash 623115829, now seen corresponding path program 1 times [2020-11-29 21:18:29,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:18:29,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861525618] [2020-11-29 21:18:29,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:18:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:29,378 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:18:29,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861525618] [2020-11-29 21:18:29,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:18:29,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:18:29,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193241730] [2020-11-29 21:18:29,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:18:29,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:18:29,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:18:29,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:18:29,382 INFO L87 Difference]: Start difference. First operand 977 states and 1241 transitions. Second operand 3 states. [2020-11-29 21:18:29,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:18:29,990 INFO L93 Difference]: Finished difference Result 2091 states and 2628 transitions. [2020-11-29 21:18:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:18:29,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2020-11-29 21:18:29,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:18:29,998 INFO L225 Difference]: With dead ends: 2091 [2020-11-29 21:18:29,998 INFO L226 Difference]: Without dead ends: 1116 [2020-11-29 21:18:30,000 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 21:18:30,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-11-29 21:18:30,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2020-11-29 21:18:30,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-11-29 21:18:30,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1384 transitions. [2020-11-29 21:18:30,027 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1384 transitions. Word has length 154 [2020-11-29 21:18:30,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:18:30,028 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1384 transitions. [2020-11-29 21:18:30,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:18:30,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1384 transitions. [2020-11-29 21:18:30,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-11-29 21:18:30,030 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:18:30,030 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:18:30,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 21:18:30,031 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:18:30,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:18:30,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1831279412, now seen corresponding path program 1 times [2020-11-29 21:18:30,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:18:30,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835195955] [2020-11-29 21:18:30,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:18:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:30,272 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 21:18:30,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835195955] [2020-11-29 21:18:30,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345249869] [2020-11-29 21:18:30,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c800dc2-f413-49eb-9aae-c20ee2df2359/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 21:18:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:30,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 21:18:30,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:18:30,637 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-11-29 21:18:30,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 21:18:30,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-29 21:18:30,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478109230] [2020-11-29 21:18:30,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:18:30,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:18:30,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:18:30,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 21:18:30,640 INFO L87 Difference]: Start difference. First operand 1116 states and 1384 transitions. Second operand 3 states. [2020-11-29 21:18:31,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:18:31,291 INFO L93 Difference]: Finished difference Result 1535 states and 1900 transitions. [2020-11-29 21:18:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:18:31,291 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2020-11-29 21:18:31,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:18:31,302 INFO L225 Difference]: With dead ends: 1535 [2020-11-29 21:18:31,302 INFO L226 Difference]: Without dead ends: 1533 [2020-11-29 21:18:31,303 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 21:18:31,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2020-11-29 21:18:31,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1255. [2020-11-29 21:18:31,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-29 21:18:31,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1571 transitions. [2020-11-29 21:18:31,340 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1571 transitions. Word has length 173 [2020-11-29 21:18:31,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:18:31,341 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1571 transitions. [2020-11-29 21:18:31,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:18:31,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1571 transitions. [2020-11-29 21:18:31,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-11-29 21:18:31,345 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:18:31,346 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:18:31,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-29 21:18:31,580 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:18:31,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:18:31,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1738615292, now seen corresponding path program 1 times [2020-11-29 21:18:31,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:18:31,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283193589] [2020-11-29 21:18:31,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:18:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:31,785 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:18:31,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283193589] [2020-11-29 21:18:31,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:18:31,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:18:31,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167580010] [2020-11-29 21:18:31,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:18:31,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:18:31,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:18:31,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:18:31,789 INFO L87 Difference]: Start difference. First operand 1255 states and 1571 transitions. Second operand 3 states. [2020-11-29 21:18:32,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:18:32,452 INFO L93 Difference]: Finished difference Result 2786 states and 3552 transitions. [2020-11-29 21:18:32,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:18:32,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2020-11-29 21:18:32,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:18:32,463 INFO L225 Difference]: With dead ends: 2786 [2020-11-29 21:18:32,463 INFO L226 Difference]: Without dead ends: 1672 [2020-11-29 21:18:32,465 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 21:18:32,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-11-29 21:18:32,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1255. [2020-11-29 21:18:32,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-29 21:18:32,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1562 transitions. [2020-11-29 21:18:32,520 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1562 transitions. Word has length 222 [2020-11-29 21:18:32,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:18:32,521 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1562 transitions. [2020-11-29 21:18:32,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:18:32,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1562 transitions. [2020-11-29 21:18:32,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-11-29 21:18:32,526 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:18:32,526 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 21:18:32,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 21:18:32,526 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:18:32,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:18:32,527 INFO L82 PathProgramCache]: Analyzing trace with hash 965279514, now seen corresponding path program 1 times [2020-11-29 21:18:32,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:18:32,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077506560] [2020-11-29 21:18:32,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:18:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:32,680 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:18:32,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077506560] [2020-11-29 21:18:32,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:18:32,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:18:32,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6101490] [2020-11-29 21:18:32,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:18:32,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:18:32,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:18:32,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:18:32,683 INFO L87 Difference]: Start difference. First operand 1255 states and 1562 transitions. Second operand 3 states. [2020-11-29 21:18:33,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:18:33,563 INFO L93 Difference]: Finished difference Result 2786 states and 3534 transitions. [2020-11-29 21:18:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:18:33,564 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 251 [2020-11-29 21:18:33,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:18:33,573 INFO L225 Difference]: With dead ends: 2786 [2020-11-29 21:18:33,573 INFO L226 Difference]: Without dead ends: 1672 [2020-11-29 21:18:33,575 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 21:18:33,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-11-29 21:18:33,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1533. [2020-11-29 21:18:33,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1533 states. [2020-11-29 21:18:33,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1792 transitions. [2020-11-29 21:18:33,612 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1792 transitions. Word has length 251 [2020-11-29 21:18:33,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:18:33,613 INFO L481 AbstractCegarLoop]: Abstraction has 1533 states and 1792 transitions. [2020-11-29 21:18:33,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:18:33,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1792 transitions. [2020-11-29 21:18:33,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2020-11-29 21:18:33,619 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:18:33,620 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:18:33,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 21:18:33,620 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:18:33,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:18:33,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1063639337, now seen corresponding path program 1 times [2020-11-29 21:18:33,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:18:33,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314660879] [2020-11-29 21:18:33,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:18:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:34,001 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 21 proven. 98 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-11-29 21:18:34,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314660879] [2020-11-29 21:18:34,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67723446] [2020-11-29 21:18:34,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c800dc2-f413-49eb-9aae-c20ee2df2359/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 21:18:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:34,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 21:18:34,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:18:34,228 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-11-29 21:18:34,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 21:18:34,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 21:18:34,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076135363] [2020-11-29 21:18:34,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:18:34,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:18:34,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:18:34,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 21:18:34,230 INFO L87 Difference]: Start difference. First operand 1533 states and 1792 transitions. Second operand 3 states. [2020-11-29 21:18:34,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:18:34,844 INFO L93 Difference]: Finished difference Result 3342 states and 3994 transitions. [2020-11-29 21:18:34,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:18:34,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 310 [2020-11-29 21:18:34,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:18:34,857 INFO L225 Difference]: With dead ends: 3342 [2020-11-29 21:18:34,857 INFO L226 Difference]: Without dead ends: 1950 [2020-11-29 21:18:34,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 21:18:34,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2020-11-29 21:18:34,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1811. [2020-11-29 21:18:34,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1811 states. [2020-11-29 21:18:34,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2095 transitions. [2020-11-29 21:18:34,908 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2095 transitions. Word has length 310 [2020-11-29 21:18:34,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:18:34,908 INFO L481 AbstractCegarLoop]: Abstraction has 1811 states and 2095 transitions. [2020-11-29 21:18:34,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:18:34,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2095 transitions. [2020-11-29 21:18:34,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2020-11-29 21:18:34,917 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:18:34,917 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 21:18:35,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 21:18:35,136 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:18:35,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:18:35,136 INFO L82 PathProgramCache]: Analyzing trace with hash 529134787, now seen corresponding path program 1 times [2020-11-29 21:18:35,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:18:35,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69965982] [2020-11-29 21:18:35,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:18:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:35,723 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 86 proven. 93 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-11-29 21:18:35,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69965982] [2020-11-29 21:18:35,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919307859] [2020-11-29 21:18:35,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c800dc2-f413-49eb-9aae-c20ee2df2359/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 21:18:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:35,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 21:18:35,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:18:35,985 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-11-29 21:18:35,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 21:18:35,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 21:18:35,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509316619] [2020-11-29 21:18:35,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:18:35,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:18:35,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:18:35,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 21:18:35,989 INFO L87 Difference]: Start difference. First operand 1811 states and 2095 transitions. Second operand 3 states. [2020-11-29 21:18:36,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:18:36,607 INFO L93 Difference]: Finished difference Result 3757 states and 4341 transitions. [2020-11-29 21:18:36,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:18:36,608 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 361 [2020-11-29 21:18:36,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:18:36,609 INFO L225 Difference]: With dead ends: 3757 [2020-11-29 21:18:36,609 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 21:18:36,613 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 21:18:36,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 21:18:36,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 21:18:36,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 21:18:36,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 21:18:36,614 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 361 [2020-11-29 21:18:36,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:18:36,614 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 21:18:36,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:18:36,614 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 21:18:36,614 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 21:18:36,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-29 21:18:36,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 21:18:37,021 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2020-11-29 21:18:37,159 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2020-11-29 21:18:37,164 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-29 21:18:37,164 INFO L274 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-11-29 21:18:37,164 INFO L274 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-11-29 21:18:37,164 INFO L274 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-11-29 21:18:37,164 INFO L274 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-11-29 21:18:37,164 INFO L274 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-11-29 21:18:37,164 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,164 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,164 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,164 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,164 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,165 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,165 INFO L274 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-11-29 21:18:37,165 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-29 21:18:37,165 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-29 21:18:37,165 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-29 21:18:37,165 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-29 21:18:37,165 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-29 21:18:37,165 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-29 21:18:37,165 INFO L274 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-11-29 21:18:37,165 INFO L274 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-11-29 21:18:37,165 INFO L274 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-11-29 21:18:37,165 INFO L274 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-11-29 21:18:37,165 INFO L274 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-11-29 21:18:37,166 INFO L274 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-11-29 21:18:37,166 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,166 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,166 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,166 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,166 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,166 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,166 INFO L274 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-11-29 21:18:37,166 INFO L274 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-11-29 21:18:37,166 INFO L274 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-11-29 21:18:37,166 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-29 21:18:37,166 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-29 21:18:37,166 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-29 21:18:37,167 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-29 21:18:37,167 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-29 21:18:37,167 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-29 21:18:37,167 INFO L274 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-11-29 21:18:37,167 INFO L274 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-11-29 21:18:37,167 INFO L274 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-11-29 21:18:37,167 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,167 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,167 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,167 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,167 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,167 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,167 INFO L274 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-11-29 21:18:37,167 INFO L274 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-11-29 21:18:37,168 INFO L274 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-11-29 21:18:37,168 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-29 21:18:37,168 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-29 21:18:37,168 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-29 21:18:37,168 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-29 21:18:37,168 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-29 21:18:37,168 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-29 21:18:37,168 INFO L274 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-11-29 21:18:37,168 INFO L274 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-11-29 21:18:37,168 INFO L274 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-11-29 21:18:37,168 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 21:18:37,168 INFO L274 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-11-29 21:18:37,168 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,169 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,169 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,169 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,169 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,169 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,169 INFO L274 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-11-29 21:18:37,169 INFO L274 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-11-29 21:18:37,169 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-29 21:18:37,169 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-29 21:18:37,169 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-29 21:18:37,169 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-29 21:18:37,169 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-29 21:18:37,169 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-29 21:18:37,169 INFO L274 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-11-29 21:18:37,170 INFO L274 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-11-29 21:18:37,170 INFO L274 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-11-29 21:18:37,170 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,170 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,170 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,170 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,170 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,170 INFO L274 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-11-29 21:18:37,170 INFO L274 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-11-29 21:18:37,170 INFO L274 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-11-29 21:18:37,170 INFO L274 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-11-29 21:18:37,170 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-29 21:18:37,170 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-29 21:18:37,171 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-29 21:18:37,171 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-29 21:18:37,171 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-29 21:18:37,171 INFO L274 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-11-29 21:18:37,171 INFO L274 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-11-29 21:18:37,171 INFO L274 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-11-29 21:18:37,171 INFO L274 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-11-29 21:18:37,171 INFO L274 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-11-29 21:18:37,176 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,176 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,177 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,177 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,177 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,177 INFO L274 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-11-29 21:18:37,177 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 21:18:37,177 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-29 21:18:37,177 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-29 21:18:37,177 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-29 21:18:37,178 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-29 21:18:37,178 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-29 21:18:37,179 INFO L270 CegarLoopResult]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (<= 9 ~a19~0) .cse1 .cse2) (and .cse0 (<= 4 ~a10~0) .cse1 .cse2) (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and .cse0 .cse1 (<= ~a19~0 6)) (and .cse0 .cse1 .cse2 (<= ~a1~0 23)) (and .cse0 (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1))) [2020-11-29 21:18:37,179 INFO L274 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-11-29 21:18:37,180 INFO L274 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-11-29 21:18:37,180 INFO L274 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-11-29 21:18:37,180 INFO L274 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-11-29 21:18:37,180 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,180 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,180 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,181 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,181 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,181 INFO L274 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-11-29 21:18:37,181 INFO L274 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-11-29 21:18:37,181 INFO L274 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-11-29 21:18:37,181 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-29 21:18:37,181 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-29 21:18:37,181 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-29 21:18:37,182 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-29 21:18:37,182 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-29 21:18:37,182 INFO L274 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-11-29 21:18:37,182 INFO L274 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-11-29 21:18:37,182 INFO L277 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-11-29 21:18:37,182 INFO L274 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-11-29 21:18:37,182 INFO L274 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-11-29 21:18:37,183 INFO L274 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-11-29 21:18:37,183 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 21:18:37,183 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,183 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,183 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,183 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,183 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,184 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-29 21:18:37,184 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-29 21:18:37,184 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-29 21:18:37,184 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-29 21:18:37,184 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-29 21:18:37,184 INFO L274 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-11-29 21:18:37,184 INFO L274 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-11-29 21:18:37,184 INFO L274 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-11-29 21:18:37,185 INFO L274 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-11-29 21:18:37,185 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,185 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,185 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,185 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,185 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 21:18:37,185 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,185 INFO L274 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-11-29 21:18:37,186 INFO L274 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-11-29 21:18:37,186 INFO L274 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-11-29 21:18:37,186 INFO L274 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-11-29 21:18:37,186 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-29 21:18:37,186 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-29 21:18:37,186 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-29 21:18:37,186 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-29 21:18:37,186 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-29 21:18:37,187 INFO L274 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-11-29 21:18:37,187 INFO L274 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-11-29 21:18:37,187 INFO L274 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-11-29 21:18:37,188 INFO L270 CegarLoopResult]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (<= 9 ~a19~0) .cse1 .cse2) (and .cse0 (<= 4 ~a10~0) .cse1 .cse2) (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and .cse0 .cse1 (<= ~a19~0 6)) (and .cse0 .cse1 .cse2 (<= ~a1~0 23)) (and .cse0 (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1))) [2020-11-29 21:18:37,188 INFO L274 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-11-29 21:18:37,188 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,188 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,188 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,188 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,188 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-29 21:18:37,189 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,189 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,189 INFO L274 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-11-29 21:18:37,189 INFO L274 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-11-29 21:18:37,189 INFO L274 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-11-29 21:18:37,189 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-29 21:18:37,189 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-29 21:18:37,189 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-29 21:18:37,190 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-29 21:18:37,190 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-29 21:18:37,190 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-29 21:18:37,190 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 21:18:37,190 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 21:18:37,190 INFO L274 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-11-29 21:18:37,190 INFO L274 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-11-29 21:18:37,190 INFO L274 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-11-29 21:18:37,191 INFO L274 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-11-29 21:18:37,191 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,191 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,191 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,191 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,191 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,191 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 21:18:37,192 INFO L274 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-11-29 21:18:37,192 INFO L274 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-11-29 21:18:37,192 INFO L274 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-11-29 21:18:37,192 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-29 21:18:37,192 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-29 21:18:37,192 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-29 21:18:37,192 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-29 21:18:37,192 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-29 21:18:37,193 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-29 21:18:37,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 09:18:37 BoogieIcfgContainer [2020-11-29 21:18:37,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 21:18:37,227 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:18:37,228 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:18:37,228 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:18:37,228 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:18:24" (3/4) ... [2020-11-29 21:18:37,231 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 21:18:37,259 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 21:18:37,260 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 21:18:37,261 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:18:37,263 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:18:37,423 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9c800dc2-f413-49eb-9aae-c20ee2df2359/bin/uautomizer/witness.graphml [2020-11-29 21:18:37,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:18:37,424 INFO L168 Benchmark]: Toolchain (without parser) took 15375.77 ms. Allocated memory was 83.9 MB in the beginning and 325.1 MB in the end (delta: 241.2 MB). Free memory was 52.8 MB in the beginning and 181.7 MB in the end (delta: -129.0 MB). Peak memory consumption was 110.8 MB. Max. memory is 16.1 GB. [2020-11-29 21:18:37,425 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 83.9 MB. Free memory was 43.7 MB in the beginning and 43.7 MB in the end (delta: 41.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:18:37,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.18 ms. Allocated memory is still 83.9 MB. Free memory was 52.6 MB in the beginning and 44.3 MB in the end (delta: 8.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 21:18:37,426 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.65 ms. Allocated memory is still 83.9 MB. Free memory was 44.3 MB in the beginning and 36.6 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:18:37,426 INFO L168 Benchmark]: Boogie Preprocessor took 95.84 ms. Allocated memory is still 83.9 MB. Free memory was 36.6 MB in the beginning and 31.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:18:37,426 INFO L168 Benchmark]: RCFGBuilder took 1699.30 ms. Allocated memory was 83.9 MB in the beginning and 115.3 MB in the end (delta: 31.5 MB). Free memory was 31.3 MB in the beginning and 44.9 MB in the end (delta: -13.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. [2020-11-29 21:18:37,427 INFO L168 Benchmark]: TraceAbstraction took 12622.58 ms. Allocated memory was 115.3 MB in the beginning and 325.1 MB in the end (delta: 209.7 MB). Free memory was 44.9 MB in the beginning and 197.4 MB in the end (delta: -152.6 MB). Peak memory consumption was 56.9 MB. Max. memory is 16.1 GB. [2020-11-29 21:18:37,427 INFO L168 Benchmark]: Witness Printer took 195.51 ms. Allocated memory is still 325.1 MB. Free memory was 197.4 MB in the beginning and 181.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 21:18:37,429 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 83.9 MB. Free memory was 43.7 MB in the beginning and 43.7 MB in the end (delta: 41.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 664.18 ms. Allocated memory is still 83.9 MB. Free memory was 52.6 MB in the beginning and 44.3 MB in the end (delta: 8.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.65 ms. Allocated memory is still 83.9 MB. Free memory was 44.3 MB in the beginning and 36.6 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 95.84 ms. Allocated memory is still 83.9 MB. Free memory was 36.6 MB in the beginning and 31.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1699.30 ms. Allocated memory was 83.9 MB in the beginning and 115.3 MB in the end (delta: 31.5 MB). Free memory was 31.3 MB in the beginning and 44.9 MB in the end (delta: -13.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12622.58 ms. Allocated memory was 115.3 MB in the beginning and 325.1 MB in the end (delta: 209.7 MB). Free memory was 44.9 MB in the beginning and 197.4 MB in the end (delta: -152.6 MB). Peak memory consumption was 56.9 MB. Max. memory is 16.1 GB. * Witness Printer took 195.51 ms. Allocated memory is still 325.1 MB. Free memory was 197.4 MB in the beginning and 181.7 MB in the end (delta: 15.7 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: 592]: Loop Invariant Derived loop invariant: ((((((((14 == a4 && 9 <= a19) && a12 == 0) && a19 <= 9) || (((14 == a4 && 4 <= a10) && a12 == 0) && a19 <= 9)) || (((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a12 == 0) && a19 <= 6)) || (((14 == a4 && a12 == 0) && a19 <= 9) && a1 <= 23)) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((14 == a4 && 9 <= a19) && a12 == 0) && a19 <= 9) || (((14 == a4 && 4 <= a10) && a12 == 0) && a19 <= 9)) || (((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a12 == 0) && a19 <= 6)) || (((14 == a4 && a12 == 0) && a19 <= 9) && a1 <= 23)) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.1s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1074 SDtfs, 903 SDslu, 49 SDs, 0 SdLazy, 3761 SolverSat, 554 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 872 GetRequests, 850 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1811occurred in iteration=9, 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, 10 MinimizatonAttempts, 1112 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 37 NumberOfFragments, 167 HoareAnnotationTreeSize, 3 FomulaSimplifications, 658 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 224 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2799 NumberOfCodeBlocks, 2799 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2786 ConstructedInterpolants, 0 QuantifiedInterpolants, 2754148 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1198 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 1823/2060 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...