./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label00.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_43df7c43-4322-41e2-8b64-df6385b16cb6/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_43df7c43-4322-41e2-8b64-df6385b16cb6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_43df7c43-4322-41e2-8b64-df6385b16cb6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_43df7c43-4322-41e2-8b64-df6385b16cb6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label00.c -s /tmp/vcloud-vcloud-master/worker/run_dir_43df7c43-4322-41e2-8b64-df6385b16cb6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_43df7c43-4322-41e2-8b64-df6385b16cb6/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 5bb4a2318b3c771184e17eae719f5b8d6deeb3f5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:11:57,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:11:57,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:11:57,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:11:57,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:11:57,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:11:57,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:11:57,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:11:57,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:11:57,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:11:57,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:11:57,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:11:57,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:11:57,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:11:57,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:11:57,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:11:57,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:11:57,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:11:57,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:11:57,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:11:57,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:11:57,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:11:57,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:11:57,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:11:57,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:11:57,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:11:57,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:11:57,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:11:57,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:11:57,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:11:57,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:11:57,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:11:57,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:11:57,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:11:57,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:11:57,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:11:57,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:11:57,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:11:57,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:11:57,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:11:57,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:11:57,889 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_43df7c43-4322-41e2-8b64-df6385b16cb6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 18:11:57,921 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:11:57,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:11:57,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:11:57,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:11:57,923 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:11:57,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:11:57,924 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:11:57,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:11:57,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:11:57,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:11:57,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:11:57,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:11:57,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:11:57,926 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:11:57,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:11:57,927 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:11:57,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:11:57,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:11:57,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:11:57,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:11:57,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:11:57,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:11:57,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:11:57,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:11:57,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:11:57,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:11:57,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:11:57,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:11:57,931 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:11:57,931 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_43df7c43-4322-41e2-8b64-df6385b16cb6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_43df7c43-4322-41e2-8b64-df6385b16cb6/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bb4a2318b3c771184e17eae719f5b8d6deeb3f5 [2020-11-29 18:11:58,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:11:58,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:11:58,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:11:58,372 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:11:58,373 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:11:58,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_43df7c43-4322-41e2-8b64-df6385b16cb6/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label00.c [2020-11-29 18:11:58,496 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_43df7c43-4322-41e2-8b64-df6385b16cb6/bin/uautomizer/data/d9ba98360/ff8de89867c2495b83801f1d1d9a9800/FLAG1879c0890 [2020-11-29 18:11:59,266 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:11:59,267 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_43df7c43-4322-41e2-8b64-df6385b16cb6/sv-benchmarks/c/eca-rers2012/Problem14_label00.c [2020-11-29 18:11:59,288 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_43df7c43-4322-41e2-8b64-df6385b16cb6/bin/uautomizer/data/d9ba98360/ff8de89867c2495b83801f1d1d9a9800/FLAG1879c0890 [2020-11-29 18:11:59,518 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_43df7c43-4322-41e2-8b64-df6385b16cb6/bin/uautomizer/data/d9ba98360/ff8de89867c2495b83801f1d1d9a9800 [2020-11-29 18:11:59,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:11:59,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:11:59,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:11:59,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:11:59,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:11:59,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:11:59" (1/1) ... [2020-11-29 18:11:59,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e0c890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:11:59, skipping insertion in model container [2020-11-29 18:11:59,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:11:59" (1/1) ... [2020-11-29 18:11:59,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:11:59,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:12:00,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:12:00,335 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:12:00,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:12:00,562 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:12:00,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:12:00 WrapperNode [2020-11-29 18:12:00,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:12:00,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:12:00,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:12:00,566 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:12:00,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:12:00" (1/1) ... [2020-11-29 18:12:00,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:12:00" (1/1) ... [2020-11-29 18:12:00,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:12:00,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:12:00,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:12:00,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:12:00,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:12:00" (1/1) ... [2020-11-29 18:12:00,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:12:00" (1/1) ... [2020-11-29 18:12:00,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:12:00" (1/1) ... [2020-11-29 18:12:00,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:12:00" (1/1) ... [2020-11-29 18:12:00,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:12:00" (1/1) ... [2020-11-29 18:12:00,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:12:00" (1/1) ... [2020-11-29 18:12:00,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:12:00" (1/1) ... [2020-11-29 18:12:00,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:12:00,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:12:00,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:12:00,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:12:00,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:12:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43df7c43-4322-41e2-8b64-df6385b16cb6/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 18:12:00,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:12:00,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:12:00,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:12:00,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:12:03,165 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:12:03,165 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 18:12:03,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:12:03 BoogieIcfgContainer [2020-11-29 18:12:03,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:12:03,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:12:03,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:12:03,175 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:12:03,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:11:59" (1/3) ... [2020-11-29 18:12:03,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de68cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:12:03, skipping insertion in model container [2020-11-29 18:12:03,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:12:00" (2/3) ... [2020-11-29 18:12:03,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de68cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:12:03, skipping insertion in model container [2020-11-29 18:12:03,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:12:03" (3/3) ... [2020-11-29 18:12:03,180 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label00.c [2020-11-29 18:12:03,195 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:12:03,201 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 18:12:03,216 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 18:12:03,257 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:12:03,258 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:12:03,258 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:12:03,258 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:12:03,258 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:12:03,258 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:12:03,259 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:12:03,259 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:12:03,286 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-11-29 18:12:03,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-29 18:12:03,297 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:12:03,299 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] [2020-11-29 18:12:03,299 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:12:03,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:12:03,307 INFO L82 PathProgramCache]: Analyzing trace with hash -92557335, now seen corresponding path program 1 times [2020-11-29 18:12:03,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:12:03,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612649855] [2020-11-29 18:12:03,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:12:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:12:03,732 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 18:12:03,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612649855] [2020-11-29 18:12:03,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:12:03,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:12:03,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108468412] [2020-11-29 18:12:03,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:12:03,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:12:03,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:12:03,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:12:03,760 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-11-29 18:12:05,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:12:05,923 INFO L93 Difference]: Finished difference Result 670 states and 1201 transitions. [2020-11-29 18:12:05,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:12:05,936 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-11-29 18:12:05,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:12:05,963 INFO L225 Difference]: With dead ends: 670 [2020-11-29 18:12:05,964 INFO L226 Difference]: Without dead ends: 360 [2020-11-29 18:12:05,970 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 18:12:05,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-11-29 18:12:06,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-11-29 18:12:06,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-11-29 18:12:06,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 588 transitions. [2020-11-29 18:12:06,086 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 588 transitions. Word has length 53 [2020-11-29 18:12:06,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:12:06,087 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 588 transitions. [2020-11-29 18:12:06,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:12:06,088 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 588 transitions. [2020-11-29 18:12:06,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-11-29 18:12:06,099 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:12:06,099 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:12:06,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 18:12:06,100 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:12:06,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:12:06,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1647912788, now seen corresponding path program 1 times [2020-11-29 18:12:06,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:12:06,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121064841] [2020-11-29 18:12:06,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:12:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:12:06,396 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:12:06,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121064841] [2020-11-29 18:12:06,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:12:06,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:12:06,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777000720] [2020-11-29 18:12:06,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:12:06,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:12:06,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:12:06,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:12:06,402 INFO L87 Difference]: Start difference. First operand 360 states and 588 transitions. Second operand 3 states. [2020-11-29 18:12:07,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:12:07,768 INFO L93 Difference]: Finished difference Result 1076 states and 1760 transitions. [2020-11-29 18:12:07,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:12:07,770 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-11-29 18:12:07,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:12:07,781 INFO L225 Difference]: With dead ends: 1076 [2020-11-29 18:12:07,781 INFO L226 Difference]: Without dead ends: 718 [2020-11-29 18:12:07,784 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 18:12:07,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2020-11-29 18:12:07,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 716. [2020-11-29 18:12:07,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-11-29 18:12:07,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1017 transitions. [2020-11-29 18:12:07,854 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1017 transitions. Word has length 118 [2020-11-29 18:12:07,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:12:07,855 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 1017 transitions. [2020-11-29 18:12:07,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:12:07,856 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1017 transitions. [2020-11-29 18:12:07,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-11-29 18:12:07,864 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:12:07,865 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:12:07,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 18:12:07,865 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:12:07,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:12:07,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1555775945, now seen corresponding path program 1 times [2020-11-29 18:12:07,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:12:07,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292697866] [2020-11-29 18:12:07,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:12:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:12:08,063 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:12:08,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292697866] [2020-11-29 18:12:08,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:12:08,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:12:08,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105808132] [2020-11-29 18:12:08,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:12:08,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:12:08,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:12:08,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:12:08,067 INFO L87 Difference]: Start difference. First operand 716 states and 1017 transitions. Second operand 3 states. [2020-11-29 18:12:09,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:12:09,449 INFO L93 Difference]: Finished difference Result 1608 states and 2324 transitions. [2020-11-29 18:12:09,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:12:09,450 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-11-29 18:12:09,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:12:09,457 INFO L225 Difference]: With dead ends: 1608 [2020-11-29 18:12:09,458 INFO L226 Difference]: Without dead ends: 894 [2020-11-29 18:12:09,459 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 18:12:09,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-11-29 18:12:09,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2020-11-29 18:12:09,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-11-29 18:12:09,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1189 transitions. [2020-11-29 18:12:09,515 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1189 transitions. Word has length 119 [2020-11-29 18:12:09,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:12:09,516 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1189 transitions. [2020-11-29 18:12:09,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:12:09,516 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1189 transitions. [2020-11-29 18:12:09,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-11-29 18:12:09,523 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:12:09,524 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, 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 18:12:09,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 18:12:09,525 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:12:09,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:12:09,526 INFO L82 PathProgramCache]: Analyzing trace with hash 771902238, now seen corresponding path program 1 times [2020-11-29 18:12:09,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:12:09,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438634458] [2020-11-29 18:12:09,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:12:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:12:09,831 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:12:09,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438634458] [2020-11-29 18:12:09,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:12:09,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:12:09,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417288500] [2020-11-29 18:12:09,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:12:09,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:12:09,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:12:09,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:12:09,835 INFO L87 Difference]: Start difference. First operand 894 states and 1189 transitions. Second operand 4 states. [2020-11-29 18:12:12,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:12:12,052 INFO L93 Difference]: Finished difference Result 2144 states and 2782 transitions. [2020-11-29 18:12:12,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:12:12,053 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 122 [2020-11-29 18:12:12,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:12:12,064 INFO L225 Difference]: With dead ends: 2144 [2020-11-29 18:12:12,064 INFO L226 Difference]: Without dead ends: 1252 [2020-11-29 18:12:12,067 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:12:12,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2020-11-29 18:12:12,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1250. [2020-11-29 18:12:12,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-11-29 18:12:12,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1570 transitions. [2020-11-29 18:12:12,114 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1570 transitions. Word has length 122 [2020-11-29 18:12:12,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:12:12,114 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1570 transitions. [2020-11-29 18:12:12,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:12:12,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1570 transitions. [2020-11-29 18:12:12,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-11-29 18:12:12,127 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:12:12,127 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:12:12,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 18:12:12,128 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:12:12,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:12:12,129 INFO L82 PathProgramCache]: Analyzing trace with hash 314620058, now seen corresponding path program 1 times [2020-11-29 18:12:12,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:12:12,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101806587] [2020-11-29 18:12:12,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:12:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:12:12,519 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:12:12,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101806587] [2020-11-29 18:12:12,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:12:12,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:12:12,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946841526] [2020-11-29 18:12:12,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:12:12,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:12:12,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:12:12,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:12:12,523 INFO L87 Difference]: Start difference. First operand 1250 states and 1570 transitions. Second operand 4 states. [2020-11-29 18:12:14,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:12:14,092 INFO L93 Difference]: Finished difference Result 2885 states and 3573 transitions. [2020-11-29 18:12:14,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:12:14,093 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2020-11-29 18:12:14,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:12:14,106 INFO L225 Difference]: With dead ends: 2885 [2020-11-29 18:12:14,106 INFO L226 Difference]: Without dead ends: 1608 [2020-11-29 18:12:14,109 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:12:14,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2020-11-29 18:12:14,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1606. [2020-11-29 18:12:14,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-11-29 18:12:14,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1816 transitions. [2020-11-29 18:12:14,166 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1816 transitions. Word has length 133 [2020-11-29 18:12:14,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:12:14,168 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1816 transitions. [2020-11-29 18:12:14,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:12:14,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1816 transitions. [2020-11-29 18:12:14,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-11-29 18:12:14,172 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:12:14,173 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:12:14,173 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 18:12:14,173 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:12:14,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:12:14,174 INFO L82 PathProgramCache]: Analyzing trace with hash -26988753, now seen corresponding path program 1 times [2020-11-29 18:12:14,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:12:14,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837332109] [2020-11-29 18:12:14,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:12:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:12:14,539 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:12:14,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837332109] [2020-11-29 18:12:14,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:12:14,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:12:14,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086988227] [2020-11-29 18:12:14,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:12:14,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:12:14,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:12:14,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:12:14,544 INFO L87 Difference]: Start difference. First operand 1606 states and 1816 transitions. Second operand 3 states. [2020-11-29 18:12:15,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:12:15,917 INFO L93 Difference]: Finished difference Result 3922 states and 4494 transitions. [2020-11-29 18:12:15,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:12:15,919 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2020-11-29 18:12:15,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:12:15,938 INFO L225 Difference]: With dead ends: 3922 [2020-11-29 18:12:15,938 INFO L226 Difference]: Without dead ends: 2318 [2020-11-29 18:12:15,942 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 18:12:15,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2020-11-29 18:12:16,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2318. [2020-11-29 18:12:16,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2020-11-29 18:12:16,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2579 transitions. [2020-11-29 18:12:16,058 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2579 transitions. Word has length 227 [2020-11-29 18:12:16,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:12:16,064 INFO L481 AbstractCegarLoop]: Abstraction has 2318 states and 2579 transitions. [2020-11-29 18:12:16,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:12:16,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2579 transitions. [2020-11-29 18:12:16,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2020-11-29 18:12:16,072 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:12:16,073 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, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:12:16,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 18:12:16,073 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:12:16,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:12:16,081 INFO L82 PathProgramCache]: Analyzing trace with hash -591740297, now seen corresponding path program 1 times [2020-11-29 18:12:16,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:12:16,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135321419] [2020-11-29 18:12:16,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:12:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:12:16,636 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-11-29 18:12:16,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135321419] [2020-11-29 18:12:16,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:12:16,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:12:16,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788508470] [2020-11-29 18:12:16,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:12:16,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:12:16,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:12:16,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:12:16,641 INFO L87 Difference]: Start difference. First operand 2318 states and 2579 transitions. Second operand 4 states. [2020-11-29 18:12:18,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:12:18,119 INFO L93 Difference]: Finished difference Result 4692 states and 5238 transitions. [2020-11-29 18:12:18,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:12:18,121 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 344 [2020-11-29 18:12:18,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:12:18,139 INFO L225 Difference]: With dead ends: 4692 [2020-11-29 18:12:18,139 INFO L226 Difference]: Without dead ends: 2496 [2020-11-29 18:12:18,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:12:18,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2020-11-29 18:12:18,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2318. [2020-11-29 18:12:18,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2020-11-29 18:12:18,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2488 transitions. [2020-11-29 18:12:18,223 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2488 transitions. Word has length 344 [2020-11-29 18:12:18,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:12:18,224 INFO L481 AbstractCegarLoop]: Abstraction has 2318 states and 2488 transitions. [2020-11-29 18:12:18,224 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:12:18,224 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2488 transitions. [2020-11-29 18:12:18,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2020-11-29 18:12:18,236 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:12:18,236 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2020-11-29 18:12:18,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 18:12:18,237 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:12:18,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:12:18,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1614322479, now seen corresponding path program 1 times [2020-11-29 18:12:18,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:12:18,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051520772] [2020-11-29 18:12:18,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:12:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:12:18,852 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 409 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-29 18:12:18,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051520772] [2020-11-29 18:12:18,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:12:18,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:12:18,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857864405] [2020-11-29 18:12:18,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:12:18,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:12:18,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:12:18,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:12:18,856 INFO L87 Difference]: Start difference. First operand 2318 states and 2488 transitions. Second operand 3 states. [2020-11-29 18:12:20,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:12:20,041 INFO L93 Difference]: Finished difference Result 4812 states and 5232 transitions. [2020-11-29 18:12:20,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:12:20,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 439 [2020-11-29 18:12:20,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:12:20,060 INFO L225 Difference]: With dead ends: 4812 [2020-11-29 18:12:20,061 INFO L226 Difference]: Without dead ends: 2674 [2020-11-29 18:12:20,064 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 18:12:20,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-11-29 18:12:20,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2140. [2020-11-29 18:12:20,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-11-29 18:12:20,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2296 transitions. [2020-11-29 18:12:20,141 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2296 transitions. Word has length 439 [2020-11-29 18:12:20,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:12:20,147 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2296 transitions. [2020-11-29 18:12:20,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:12:20,147 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2296 transitions. [2020-11-29 18:12:20,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2020-11-29 18:12:20,161 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:12:20,162 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:12:20,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 18:12:20,162 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:12:20,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:12:20,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1272498232, now seen corresponding path program 1 times [2020-11-29 18:12:20,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:12:20,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910851544] [2020-11-29 18:12:20,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:12:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:12:20,714 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 409 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-29 18:12:20,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910851544] [2020-11-29 18:12:20,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:12:20,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:12:20,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48607751] [2020-11-29 18:12:20,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:12:20,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:12:20,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:12:20,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:12:20,717 INFO L87 Difference]: Start difference. First operand 2140 states and 2296 transitions. Second operand 3 states. [2020-11-29 18:12:21,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:12:21,741 INFO L93 Difference]: Finished difference Result 4634 states and 5051 transitions. [2020-11-29 18:12:21,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:12:21,742 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 446 [2020-11-29 18:12:21,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:12:21,764 INFO L225 Difference]: With dead ends: 4634 [2020-11-29 18:12:21,764 INFO L226 Difference]: Without dead ends: 2674 [2020-11-29 18:12:21,770 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 18:12:21,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-11-29 18:12:21,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2496. [2020-11-29 18:12:21,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2020-11-29 18:12:21,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2665 transitions. [2020-11-29 18:12:21,844 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2665 transitions. Word has length 446 [2020-11-29 18:12:21,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:12:21,846 INFO L481 AbstractCegarLoop]: Abstraction has 2496 states and 2665 transitions. [2020-11-29 18:12:21,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:12:21,847 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2665 transitions. [2020-11-29 18:12:21,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2020-11-29 18:12:21,864 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:12:21,865 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:12:21,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 18:12:21,866 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:12:21,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:12:21,867 INFO L82 PathProgramCache]: Analyzing trace with hash -2017068392, now seen corresponding path program 1 times [2020-11-29 18:12:21,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:12:21,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118570902] [2020-11-29 18:12:21,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:12:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:12:22,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1166 backedges. 529 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2020-11-29 18:12:22,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118570902] [2020-11-29 18:12:22,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:12:22,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:12:22,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73746015] [2020-11-29 18:12:22,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:12:22,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:12:22,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:12:22,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:12:22,648 INFO L87 Difference]: Start difference. First operand 2496 states and 2665 transitions. Second operand 3 states. [2020-11-29 18:12:23,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:12:23,877 INFO L93 Difference]: Finished difference Result 5524 states and 5979 transitions. [2020-11-29 18:12:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:12:23,881 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 601 [2020-11-29 18:12:23,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:12:23,905 INFO L225 Difference]: With dead ends: 5524 [2020-11-29 18:12:23,906 INFO L226 Difference]: Without dead ends: 3208 [2020-11-29 18:12:23,910 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 18:12:23,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2020-11-29 18:12:23,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3030. [2020-11-29 18:12:23,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2020-11-29 18:12:23,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3231 transitions. [2020-11-29 18:12:23,997 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3231 transitions. Word has length 601 [2020-11-29 18:12:23,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:12:23,999 INFO L481 AbstractCegarLoop]: Abstraction has 3030 states and 3231 transitions. [2020-11-29 18:12:23,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:12:24,000 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3231 transitions. [2020-11-29 18:12:24,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2020-11-29 18:12:24,008 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:12:24,009 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:12:24,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 18:12:24,010 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:12:24,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:12:24,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1691653675, now seen corresponding path program 1 times [2020-11-29 18:12:24,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:12:24,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707440793] [2020-11-29 18:12:24,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:12:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:12:24,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1166 backedges. 801 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2020-11-29 18:12:24,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707440793] [2020-11-29 18:12:24,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:12:24,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:12:24,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669264395] [2020-11-29 18:12:24,968 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:12:24,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:12:24,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:12:24,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:12:24,970 INFO L87 Difference]: Start difference. First operand 3030 states and 3231 transitions. Second operand 3 states. [2020-11-29 18:12:26,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:12:26,124 INFO L93 Difference]: Finished difference Result 6592 states and 7103 transitions. [2020-11-29 18:12:26,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:12:26,125 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 619 [2020-11-29 18:12:26,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:12:26,148 INFO L225 Difference]: With dead ends: 6592 [2020-11-29 18:12:26,149 INFO L226 Difference]: Without dead ends: 3742 [2020-11-29 18:12:26,153 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 18:12:26,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2020-11-29 18:12:26,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3386. [2020-11-29 18:12:26,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-11-29 18:12:26,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3623 transitions. [2020-11-29 18:12:26,253 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3623 transitions. Word has length 619 [2020-11-29 18:12:26,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:12:26,255 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3623 transitions. [2020-11-29 18:12:26,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:12:26,255 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3623 transitions. [2020-11-29 18:12:26,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 643 [2020-11-29 18:12:26,265 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:12:26,266 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:12:26,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 18:12:26,267 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:12:26,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:12:26,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1712187115, now seen corresponding path program 1 times [2020-11-29 18:12:26,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:12:26,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572431836] [2020-11-29 18:12:26,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:12:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:12:27,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1321 backedges. 897 proven. 110 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-29 18:12:27,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572431836] [2020-11-29 18:12:27,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193155182] [2020-11-29 18:12:27,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43df7c43-4322-41e2-8b64-df6385b16cb6/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 18:12:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:12:27,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:12:27,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:12:28,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1321 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2020-11-29 18:12:28,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:12:28,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-29 18:12:28,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634652107] [2020-11-29 18:12:28,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:12:28,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:12:28,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:12:28,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:12:28,200 INFO L87 Difference]: Start difference. First operand 3386 states and 3623 transitions. Second operand 3 states. [2020-11-29 18:12:29,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:12:29,807 INFO L93 Difference]: Finished difference Result 7304 states and 7887 transitions. [2020-11-29 18:12:29,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:12:29,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 642 [2020-11-29 18:12:29,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:12:29,839 INFO L225 Difference]: With dead ends: 7304 [2020-11-29 18:12:29,840 INFO L226 Difference]: Without dead ends: 4098 [2020-11-29 18:12:29,846 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 645 GetRequests, 642 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:12:29,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states. [2020-11-29 18:12:29,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 3920. [2020-11-29 18:12:29,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2020-11-29 18:12:29,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4192 transitions. [2020-11-29 18:12:29,976 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4192 transitions. Word has length 642 [2020-11-29 18:12:29,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:12:29,978 INFO L481 AbstractCegarLoop]: Abstraction has 3920 states and 4192 transitions. [2020-11-29 18:12:29,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:12:29,978 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4192 transitions. [2020-11-29 18:12:29,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 790 [2020-11-29 18:12:29,990 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:12:29,991 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:12:30,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-29 18:12:30,207 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:12:30,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:12:30,208 INFO L82 PathProgramCache]: Analyzing trace with hash -518789385, now seen corresponding path program 1 times [2020-11-29 18:12:30,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:12:30,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356660861] [2020-11-29 18:12:30,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:12:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:12:31,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1829 backedges. 1309 proven. 155 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2020-11-29 18:12:31,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356660861] [2020-11-29 18:12:31,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895270967] [2020-11-29 18:12:31,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43df7c43-4322-41e2-8b64-df6385b16cb6/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 18:12:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:12:31,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 995 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:12:31,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:12:32,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1829 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-11-29 18:12:32,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:12:32,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-29 18:12:32,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988498819] [2020-11-29 18:12:32,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:12:32,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:12:32,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:12:32,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:12:32,351 INFO L87 Difference]: Start difference. First operand 3920 states and 4192 transitions. Second operand 3 states. [2020-11-29 18:12:33,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:12:33,566 INFO L93 Difference]: Finished difference Result 5346 states and 5684 transitions. [2020-11-29 18:12:33,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:12:33,567 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 789 [2020-11-29 18:12:33,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:12:33,623 INFO L225 Difference]: With dead ends: 5346 [2020-11-29 18:12:33,632 INFO L226 Difference]: Without dead ends: 5344 [2020-11-29 18:12:33,635 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 792 GetRequests, 789 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:12:33,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5344 states. [2020-11-29 18:12:33,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5344 to 4098. [2020-11-29 18:12:33,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4098 states. [2020-11-29 18:12:33,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 4374 transitions. [2020-11-29 18:12:33,750 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 4374 transitions. Word has length 789 [2020-11-29 18:12:33,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:12:33,753 INFO L481 AbstractCegarLoop]: Abstraction has 4098 states and 4374 transitions. [2020-11-29 18:12:33,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:12:33,753 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4374 transitions. [2020-11-29 18:12:33,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 808 [2020-11-29 18:12:33,771 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:12:33,772 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:12:33,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-29 18:12:33,999 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:12:33,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:12:33,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1956710684, now seen corresponding path program 1 times [2020-11-29 18:12:33,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:12:34,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988596511] [2020-11-29 18:12:34,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:12:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:12:35,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 1399 proven. 155 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2020-11-29 18:12:35,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988596511] [2020-11-29 18:12:35,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622867078] [2020-11-29 18:12:35,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43df7c43-4322-41e2-8b64-df6385b16cb6/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 18:12:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:12:35,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 1012 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:12:35,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:12:35,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 1614 trivial. 0 not checked. [2020-11-29 18:12:35,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:12:35,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-29 18:12:35,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385159862] [2020-11-29 18:12:35,942 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:12:35,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:12:35,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:12:35,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:12:35,944 INFO L87 Difference]: Start difference. First operand 4098 states and 4374 transitions. Second operand 3 states. [2020-11-29 18:12:36,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:12:36,999 INFO L93 Difference]: Finished difference Result 8904 states and 9532 transitions. [2020-11-29 18:12:37,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:12:37,001 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 807 [2020-11-29 18:12:37,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:12:37,002 INFO L225 Difference]: With dead ends: 8904 [2020-11-29 18:12:37,002 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 18:12:37,012 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 810 GetRequests, 807 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:12:37,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 18:12:37,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 18:12:37,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 18:12:37,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 18:12:37,013 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 807 [2020-11-29 18:12:37,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:12:37,014 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:12:37,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:12:37,014 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 18:12:37,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:12:37,238 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-11-29 18:12:37,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 18:12:37,831 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2020-11-29 18:12:38,185 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2020-11-29 18:12:38,189 INFO L274 CegarLoopResult]: For program point L762(lines 762 880) no Hoare annotation was computed. [2020-11-29 18:12:38,189 INFO L274 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-11-29 18:12:38,189 INFO L274 CegarLoopResult]: For program point L829(lines 829 880) no Hoare annotation was computed. [2020-11-29 18:12:38,189 INFO L274 CegarLoopResult]: For program point L631(lines 631 880) no Hoare annotation was computed. [2020-11-29 18:12:38,190 INFO L274 CegarLoopResult]: For program point L565(lines 565 880) no Hoare annotation was computed. [2020-11-29 18:12:38,190 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,190 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,190 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,190 INFO L274 CegarLoopResult]: For program point L698(lines 698 880) no Hoare annotation was computed. [2020-11-29 18:12:38,191 INFO L274 CegarLoopResult]: For program point L500(lines 500 880) no Hoare annotation was computed. [2020-11-29 18:12:38,191 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-29 18:12:38,191 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-29 18:12:38,191 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-29 18:12:38,191 INFO L274 CegarLoopResult]: For program point L369(lines 369 880) no Hoare annotation was computed. [2020-11-29 18:12:38,191 INFO L274 CegarLoopResult]: For program point L303(lines 303 880) no Hoare annotation was computed. [2020-11-29 18:12:38,192 INFO L274 CegarLoopResult]: For program point L436(lines 436 880) no Hoare annotation was computed. [2020-11-29 18:12:38,192 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,192 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,192 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,192 INFO L274 CegarLoopResult]: For program point L239(lines 239 880) no Hoare annotation was computed. [2020-11-29 18:12:38,193 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-29 18:12:38,193 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-29 18:12:38,193 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-29 18:12:38,193 INFO L274 CegarLoopResult]: For program point L768(lines 768 880) no Hoare annotation was computed. [2020-11-29 18:12:38,193 INFO L274 CegarLoopResult]: For program point L636(lines 636 880) no Hoare annotation was computed. [2020-11-29 18:12:38,193 INFO L274 CegarLoopResult]: For program point L835(lines 835 880) no Hoare annotation was computed. [2020-11-29 18:12:38,194 INFO L274 CegarLoopResult]: For program point L571(lines 571 880) no Hoare annotation was computed. [2020-11-29 18:12:38,194 INFO L274 CegarLoopResult]: For program point L505(lines 505 880) no Hoare annotation was computed. [2020-11-29 18:12:38,194 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,194 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,195 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,195 INFO L274 CegarLoopResult]: For program point L704(lines 704 880) no Hoare annotation was computed. [2020-11-29 18:12:38,195 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-29 18:12:38,196 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-29 18:12:38,196 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-29 18:12:38,196 INFO L274 CegarLoopResult]: For program point L309(lines 309 880) no Hoare annotation was computed. [2020-11-29 18:12:38,196 INFO L274 CegarLoopResult]: For program point L442(lines 442 880) no Hoare annotation was computed. [2020-11-29 18:12:38,196 INFO L274 CegarLoopResult]: For program point L376(lines 376 880) no Hoare annotation was computed. [2020-11-29 18:12:38,197 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,198 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,198 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,198 INFO L274 CegarLoopResult]: For program point L245(lines 245 880) no Hoare annotation was computed. [2020-11-29 18:12:38,200 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-29 18:12:38,200 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-29 18:12:38,200 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-29 18:12:38,200 INFO L274 CegarLoopResult]: For program point L774(lines 774 880) no Hoare annotation was computed. [2020-11-29 18:12:38,200 INFO L274 CegarLoopResult]: For program point L642(lines 642 880) no Hoare annotation was computed. [2020-11-29 18:12:38,200 INFO L274 CegarLoopResult]: For program point L510(lines 510 880) no Hoare annotation was computed. [2020-11-29 18:12:38,200 INFO L274 CegarLoopResult]: For program point L841(lines 841 880) no Hoare annotation was computed. [2020-11-29 18:12:38,200 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,200 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,201 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,201 INFO L274 CegarLoopResult]: For program point L710(lines 710 880) no Hoare annotation was computed. [2020-11-29 18:12:38,201 INFO L274 CegarLoopResult]: For program point L578(lines 578 880) no Hoare annotation was computed. [2020-11-29 18:12:38,201 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-29 18:12:38,201 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-29 18:12:38,201 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-29 18:12:38,201 INFO L274 CegarLoopResult]: For program point L315(lines 315 880) no Hoare annotation was computed. [2020-11-29 18:12:38,201 INFO L274 CegarLoopResult]: For program point L448(lines 448 880) no Hoare annotation was computed. [2020-11-29 18:12:38,201 INFO L274 CegarLoopResult]: For program point L382(lines 382 880) no Hoare annotation was computed. [2020-11-29 18:12:38,201 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,201 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,202 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,202 INFO L274 CegarLoopResult]: For program point L251(lines 251 880) no Hoare annotation was computed. [2020-11-29 18:12:38,202 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-29 18:12:38,202 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-29 18:12:38,202 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-29 18:12:38,202 INFO L274 CegarLoopResult]: For program point L648(lines 648 880) no Hoare annotation was computed. [2020-11-29 18:12:38,202 INFO L274 CegarLoopResult]: For program point L516(lines 516 880) no Hoare annotation was computed. [2020-11-29 18:12:38,202 INFO L274 CegarLoopResult]: For program point L847(lines 847 880) no Hoare annotation was computed. [2020-11-29 18:12:38,202 INFO L274 CegarLoopResult]: For program point L781(lines 781 880) no Hoare annotation was computed. [2020-11-29 18:12:38,202 INFO L274 CegarLoopResult]: For program point L583(lines 583 880) no Hoare annotation was computed. [2020-11-29 18:12:38,202 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,203 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,203 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,203 INFO L274 CegarLoopResult]: For program point L716(lines 716 880) no Hoare annotation was computed. [2020-11-29 18:12:38,203 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-29 18:12:38,203 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-29 18:12:38,203 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-29 18:12:38,204 INFO L274 CegarLoopResult]: For program point L321(lines 321 880) no Hoare annotation was computed. [2020-11-29 18:12:38,204 INFO L274 CegarLoopResult]: For program point L454(lines 454 880) no Hoare annotation was computed. [2020-11-29 18:12:38,204 INFO L274 CegarLoopResult]: For program point L388(lines 388 880) no Hoare annotation was computed. [2020-11-29 18:12:38,204 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 18:12:38,204 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,205 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,205 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,205 INFO L274 CegarLoopResult]: For program point L257(lines 257 880) no Hoare annotation was computed. [2020-11-29 18:12:38,205 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-29 18:12:38,205 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-29 18:12:38,205 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-29 18:12:38,205 INFO L274 CegarLoopResult]: For program point L852(lines 852 880) no Hoare annotation was computed. [2020-11-29 18:12:38,205 INFO L274 CegarLoopResult]: For program point L654(lines 654 880) no Hoare annotation was computed. [2020-11-29 18:12:38,205 INFO L274 CegarLoopResult]: For program point L522(lines 522 880) no Hoare annotation was computed. [2020-11-29 18:12:38,205 INFO L274 CegarLoopResult]: For program point L787(lines 787 880) no Hoare annotation was computed. [2020-11-29 18:12:38,205 INFO L274 CegarLoopResult]: For program point L589(lines 589 880) no Hoare annotation was computed. [2020-11-29 18:12:38,206 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,206 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,206 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,206 INFO L274 CegarLoopResult]: For program point L722(lines 722 880) no Hoare annotation was computed. [2020-11-29 18:12:38,206 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-29 18:12:38,206 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-29 18:12:38,206 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-29 18:12:38,206 INFO L274 CegarLoopResult]: For program point L459(lines 459 880) no Hoare annotation was computed. [2020-11-29 18:12:38,206 INFO L274 CegarLoopResult]: For program point L327(lines 327 880) no Hoare annotation was computed. [2020-11-29 18:12:38,206 INFO L274 CegarLoopResult]: For program point L394(lines 394 880) no Hoare annotation was computed. [2020-11-29 18:12:38,206 INFO L274 CegarLoopResult]: For program point L262(lines 262 880) no Hoare annotation was computed. [2020-11-29 18:12:38,207 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,207 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,207 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,207 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-29 18:12:38,207 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-29 18:12:38,207 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-29 18:12:38,208 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 18:12:38,208 INFO L274 CegarLoopResult]: For program point L858(lines 858 880) no Hoare annotation was computed. [2020-11-29 18:12:38,208 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 18:12:38,208 INFO L274 CegarLoopResult]: For program point L660(lines 660 880) no Hoare annotation was computed. [2020-11-29 18:12:38,208 INFO L274 CegarLoopResult]: For program point L528(lines 528 880) no Hoare annotation was computed. [2020-11-29 18:12:38,208 INFO L274 CegarLoopResult]: For program point L793(lines 793 880) no Hoare annotation was computed. [2020-11-29 18:12:38,209 INFO L274 CegarLoopResult]: For program point L595(lines 595 880) no Hoare annotation was computed. [2020-11-29 18:12:38,209 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,209 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,209 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,209 INFO L274 CegarLoopResult]: For program point L728(lines 728 880) no Hoare annotation was computed. [2020-11-29 18:12:38,209 INFO L274 CegarLoopResult]: For program point L464(lines 464 880) no Hoare annotation was computed. [2020-11-29 18:12:38,210 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-29 18:12:38,210 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-29 18:12:38,210 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-29 18:12:38,210 INFO L274 CegarLoopResult]: For program point L333(lines 333 880) no Hoare annotation was computed. [2020-11-29 18:12:38,210 INFO L274 CegarLoopResult]: For program point L400(lines 400 880) no Hoare annotation was computed. [2020-11-29 18:12:38,210 INFO L274 CegarLoopResult]: For program point L268(lines 268 880) no Hoare annotation was computed. [2020-11-29 18:12:38,210 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,211 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,211 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,211 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-29 18:12:38,211 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-29 18:12:38,211 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-29 18:12:38,211 INFO L274 CegarLoopResult]: For program point L864(lines 864 880) no Hoare annotation was computed. [2020-11-29 18:12:38,211 INFO L274 CegarLoopResult]: For program point L666(lines 666 880) no Hoare annotation was computed. [2020-11-29 18:12:38,211 INFO L274 CegarLoopResult]: For program point L534(lines 534 880) no Hoare annotation was computed. [2020-11-29 18:12:38,211 INFO L274 CegarLoopResult]: For program point L799(lines 799 880) no Hoare annotation was computed. [2020-11-29 18:12:38,211 INFO L274 CegarLoopResult]: For program point L601(lines 601 880) no Hoare annotation was computed. [2020-11-29 18:12:38,212 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,212 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,212 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,212 INFO L274 CegarLoopResult]: For program point L734(lines 734 880) no Hoare annotation was computed. [2020-11-29 18:12:38,212 INFO L274 CegarLoopResult]: For program point L470(lines 470 880) no Hoare annotation was computed. [2020-11-29 18:12:38,212 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-29 18:12:38,212 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-29 18:12:38,212 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-29 18:12:38,212 INFO L274 CegarLoopResult]: For program point L339(lines 339 880) no Hoare annotation was computed. [2020-11-29 18:12:38,212 INFO L274 CegarLoopResult]: For program point L406(lines 406 880) no Hoare annotation was computed. [2020-11-29 18:12:38,212 INFO L274 CegarLoopResult]: For program point L274(lines 274 880) no Hoare annotation was computed. [2020-11-29 18:12:38,213 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,213 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,213 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,213 INFO L274 CegarLoopResult]: For program point L869(lines 869 880) no Hoare annotation was computed. [2020-11-29 18:12:38,213 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-29 18:12:38,213 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-29 18:12:38,213 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-29 18:12:38,213 INFO L274 CegarLoopResult]: For program point L672(lines 672 880) no Hoare annotation was computed. [2020-11-29 18:12:38,214 INFO L274 CegarLoopResult]: For program point L540(lines 540 880) no Hoare annotation was computed. [2020-11-29 18:12:38,214 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 18:12:38,214 INFO L274 CegarLoopResult]: For program point L805(lines 805 880) no Hoare annotation was computed. [2020-11-29 18:12:38,214 INFO L274 CegarLoopResult]: For program point L607(lines 607 880) no Hoare annotation was computed. [2020-11-29 18:12:38,214 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,214 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,214 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,214 INFO L274 CegarLoopResult]: For program point L740(lines 740 880) no Hoare annotation was computed. [2020-11-29 18:12:38,214 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-29 18:12:38,214 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-29 18:12:38,214 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-29 18:12:38,215 INFO L274 CegarLoopResult]: For program point L477(lines 477 880) no Hoare annotation was computed. [2020-11-29 18:12:38,215 INFO L274 CegarLoopResult]: For program point L345(lines 345 880) no Hoare annotation was computed. [2020-11-29 18:12:38,215 INFO L274 CegarLoopResult]: For program point L279(lines 279 880) no Hoare annotation was computed. [2020-11-29 18:12:38,215 INFO L274 CegarLoopResult]: For program point L412(lines 412 880) no Hoare annotation was computed. [2020-11-29 18:12:38,215 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,215 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,215 INFO L274 CegarLoopResult]: For program point L875(lines 875 880) no Hoare annotation was computed. [2020-11-29 18:12:38,215 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-29 18:12:38,215 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-29 18:12:38,215 INFO L274 CegarLoopResult]: For program point L678(lines 678 880) no Hoare annotation was computed. [2020-11-29 18:12:38,215 INFO L274 CegarLoopResult]: For program point L546(lines 546 880) no Hoare annotation was computed. [2020-11-29 18:12:38,215 INFO L274 CegarLoopResult]: For program point L811(lines 811 880) no Hoare annotation was computed. [2020-11-29 18:12:38,216 INFO L274 CegarLoopResult]: For program point L745(lines 745 880) no Hoare annotation was computed. [2020-11-29 18:12:38,216 INFO L274 CegarLoopResult]: For program point L613(lines 613 880) no Hoare annotation was computed. [2020-11-29 18:12:38,216 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,216 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,216 INFO L274 CegarLoopResult]: For program point L482(lines 482 880) no Hoare annotation was computed. [2020-11-29 18:12:38,216 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 18:12:38,216 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-29 18:12:38,216 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-29 18:12:38,216 INFO L274 CegarLoopResult]: For program point L351(lines 351 880) no Hoare annotation was computed. [2020-11-29 18:12:38,216 INFO L274 CegarLoopResult]: For program point L285(lines 285 880) no Hoare annotation was computed. [2020-11-29 18:12:38,216 INFO L274 CegarLoopResult]: For program point L418(lines 418 880) no Hoare annotation was computed. [2020-11-29 18:12:38,217 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,217 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,217 INFO L270 CegarLoopResult]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse0 (<= 7 ~a15~0)) (.cse1 (= ~a24~0 1)) (.cse2 (<= ~a15~0 8)) (.cse3 (<= ~a21~0 6))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 (<= 10 ~a21~0)) (and .cse1 .cse2 .cse3) (and (< 0 (+ ~a12~0 43)) .cse1) (and (<= 9 ~a21~0) .cse1 .cse2 (<= ~a21~0 9)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)) (and (<= (+ ~a12~0 49) 0) .cse2 .cse3))) [2020-11-29 18:12:38,217 INFO L274 CegarLoopResult]: For program point L551(lines 551 880) no Hoare annotation was computed. [2020-11-29 18:12:38,217 INFO L274 CegarLoopResult]: For program point L221(lines 221 880) no Hoare annotation was computed. [2020-11-29 18:12:38,217 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-29 18:12:38,217 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-29 18:12:38,218 INFO L274 CegarLoopResult]: For program point L684(lines 684 880) no Hoare annotation was computed. [2020-11-29 18:12:38,218 INFO L274 CegarLoopResult]: For program point L817(lines 817 880) no Hoare annotation was computed. [2020-11-29 18:12:38,218 INFO L274 CegarLoopResult]: For program point L751(lines 751 880) no Hoare annotation was computed. [2020-11-29 18:12:38,218 INFO L274 CegarLoopResult]: For program point L619(lines 619 880) no Hoare annotation was computed. [2020-11-29 18:12:38,218 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,218 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,218 INFO L277 CegarLoopResult]: At program point L884(lines 884 900) the Hoare annotation is: true [2020-11-29 18:12:38,218 INFO L274 CegarLoopResult]: For program point L488(lines 488 880) no Hoare annotation was computed. [2020-11-29 18:12:38,219 INFO L274 CegarLoopResult]: For program point L290(lines 290 880) no Hoare annotation was computed. [2020-11-29 18:12:38,219 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-29 18:12:38,219 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-29 18:12:38,219 INFO L274 CegarLoopResult]: For program point L687(lines 687 880) no Hoare annotation was computed. [2020-11-29 18:12:38,219 INFO L274 CegarLoopResult]: For program point L357(lines 357 880) no Hoare annotation was computed. [2020-11-29 18:12:38,219 INFO L274 CegarLoopResult]: For program point L424(lines 424 880) no Hoare annotation was computed. [2020-11-29 18:12:38,219 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,219 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,219 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 18:12:38,220 INFO L274 CegarLoopResult]: For program point L557(lines 557 880) no Hoare annotation was computed. [2020-11-29 18:12:38,220 INFO L274 CegarLoopResult]: For program point L227(lines 227 880) no Hoare annotation was computed. [2020-11-29 18:12:38,220 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-29 18:12:38,220 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-29 18:12:38,220 INFO L274 CegarLoopResult]: For program point L757(lines 757 880) no Hoare annotation was computed. [2020-11-29 18:12:38,220 INFO L274 CegarLoopResult]: For program point L625(lines 625 880) no Hoare annotation was computed. [2020-11-29 18:12:38,221 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,221 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,221 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-29 18:12:38,221 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,221 INFO L274 CegarLoopResult]: For program point L824(lines 824 880) no Hoare annotation was computed. [2020-11-29 18:12:38,222 INFO L270 CegarLoopResult]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (<= 7 ~a15~0)) (.cse1 (= ~a24~0 1)) (.cse2 (<= ~a15~0 8)) (.cse3 (<= ~a21~0 6))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 (<= 10 ~a21~0)) (and .cse1 .cse2 .cse3) (and (< 0 (+ ~a12~0 43)) .cse1) (and (<= 9 ~a21~0) .cse1 .cse2 (<= ~a21~0 9)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)) (and (<= (+ ~a12~0 49) 0) .cse2 .cse3))) [2020-11-29 18:12:38,222 INFO L274 CegarLoopResult]: For program point L494(lines 494 880) no Hoare annotation was computed. [2020-11-29 18:12:38,222 INFO L274 CegarLoopResult]: For program point L296(lines 296 880) no Hoare annotation was computed. [2020-11-29 18:12:38,222 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-29 18:12:38,223 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-29 18:12:38,223 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-29 18:12:38,223 INFO L274 CegarLoopResult]: For program point L693(lines 693 880) no Hoare annotation was computed. [2020-11-29 18:12:38,223 INFO L274 CegarLoopResult]: For program point L363(lines 363 880) no Hoare annotation was computed. [2020-11-29 18:12:38,223 INFO L274 CegarLoopResult]: For program point L562(lines 562 880) no Hoare annotation was computed. [2020-11-29 18:12:38,223 INFO L274 CegarLoopResult]: For program point L430(lines 430 880) no Hoare annotation was computed. [2020-11-29 18:12:38,224 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,224 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,224 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 18:12:38,224 INFO L274 CegarLoopResult]: For program point L233(lines 233 880) no Hoare annotation was computed. [2020-11-29 18:12:38,224 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-29 18:12:38,225 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-29 18:12:38,225 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-29 18:12:38,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:12:38 BoogieIcfgContainer [2020-11-29 18:12:38,248 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:12:38,249 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:12:38,249 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:12:38,250 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:12:38,250 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:12:03" (3/4) ... [2020-11-29 18:12:38,258 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 18:12:38,292 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 18:12:38,294 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 18:12:38,296 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:12:38,298 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:12:38,522 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_43df7c43-4322-41e2-8b64-df6385b16cb6/bin/uautomizer/witness.graphml [2020-11-29 18:12:38,522 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:12:38,524 INFO L168 Benchmark]: Toolchain (without parser) took 38999.46 ms. Allocated memory was 90.2 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 56.5 MB in the beginning and 932.8 MB in the end (delta: -876.3 MB). Peak memory consumption was 207.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:12:38,524 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 90.2 MB. Free memory was 49.3 MB in the beginning and 49.3 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:12:38,525 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1038.64 ms. Allocated memory was 90.2 MB in the beginning and 125.8 MB in the end (delta: 35.7 MB). Free memory was 56.3 MB in the beginning and 81.7 MB in the end (delta: -25.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 18:12:38,525 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.33 ms. Allocated memory is still 125.8 MB. Free memory was 81.7 MB in the beginning and 72.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:12:38,526 INFO L168 Benchmark]: Boogie Preprocessor took 142.92 ms. Allocated memory is still 125.8 MB. Free memory was 72.6 MB in the beginning and 66.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:12:38,526 INFO L168 Benchmark]: RCFGBuilder took 2290.77 ms. Allocated memory is still 125.8 MB. Free memory was 65.6 MB in the beginning and 83.3 MB in the end (delta: -17.7 MB). Peak memory consumption was 45.9 MB. Max. memory is 16.1 GB. [2020-11-29 18:12:38,527 INFO L168 Benchmark]: TraceAbstraction took 35078.50 ms. Allocated memory was 125.8 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 82.5 MB in the beginning and 952.7 MB in the end (delta: -870.2 MB). Peak memory consumption was 178.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:12:38,527 INFO L168 Benchmark]: Witness Printer took 273.44 ms. Allocated memory is still 1.2 GB. Free memory was 952.7 MB in the beginning and 933.6 MB in the end (delta: 19.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-29 18:12:38,530 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 90.2 MB. Free memory was 49.3 MB in the beginning and 49.3 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1038.64 ms. Allocated memory was 90.2 MB in the beginning and 125.8 MB in the end (delta: 35.7 MB). Free memory was 56.3 MB in the beginning and 81.7 MB in the end (delta: -25.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 167.33 ms. Allocated memory is still 125.8 MB. Free memory was 81.7 MB in the beginning and 72.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 142.92 ms. Allocated memory is still 125.8 MB. Free memory was 72.6 MB in the beginning and 66.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2290.77 ms. Allocated memory is still 125.8 MB. Free memory was 65.6 MB in the beginning and 83.3 MB in the end (delta: -17.7 MB). Peak memory consumption was 45.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 35078.50 ms. Allocated memory was 125.8 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 82.5 MB in the beginning and 952.7 MB in the end (delta: -870.2 MB). Peak memory consumption was 178.1 MB. Max. memory is 16.1 GB. * Witness Printer took 273.44 ms. Allocated memory is still 1.2 GB. Free memory was 952.7 MB in the beginning and 933.6 MB in the end (delta: 19.1 MB). Peak memory consumption was 18.9 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: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((((7 <= a15 && a24 == 1) && a15 <= 8) || ((7 <= a15 && a24 == 1) && 10 <= a21)) || ((a24 == 1 && a15 <= 8) && a21 <= 6)) || (0 < a12 + 43 && a24 == 1)) || (((9 <= a21 && a24 == 1) && a15 <= 8) && a21 <= 9)) || ((8 <= a21 && a24 == 1) && a21 <= 8)) || ((a12 + 49 <= 0 && a15 <= 8) && a21 <= 6) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((7 <= a15 && a24 == 1) && a15 <= 8) || ((7 <= a15 && a24 == 1) && 10 <= a21)) || ((a24 == 1 && a15 <= 8) && a21 <= 6)) || (0 < a12 + 43 && a24 == 1)) || (((9 <= a21 && a24 == 1) && a15 <= 8) && a21 <= 9)) || ((8 <= a21 && a24 == 1) && a21 <= 8)) || ((a12 + 49 <= 0 && a15 <= 8) && a21 <= 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 33.9s, OverallIterations: 14, TraceHistogramMax: 7, AutomataDifference: 20.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1918 SDtfs, 1968 SDslu, 79 SDs, 0 SdLazy, 7244 SolverSat, 976 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2278 GetRequests, 2254 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4098occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 2854 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 67 NumberOfFragments, 151 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1852 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 346 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 7697 NumberOfCodeBlocks, 7697 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 7680 ConstructedInterpolants, 0 QuantifiedInterpolants, 8429019 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2830 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 14280/14700 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...