./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label41.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_8c954bbc-5044-4d09-b377-a8b21a7cd6d8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8c954bbc-5044-4d09-b377-a8b21a7cd6d8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8c954bbc-5044-4d09-b377-a8b21a7cd6d8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8c954bbc-5044-4d09-b377-a8b21a7cd6d8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label41.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8c954bbc-5044-4d09-b377-a8b21a7cd6d8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8c954bbc-5044-4d09-b377-a8b21a7cd6d8/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 4b4d92197dfffdd027bb5d3ff3dbfa8e4eded7a5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:03:04,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:03:04,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:03:04,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:03:04,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:03:04,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:03:04,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:03:04,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:03:04,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:03:04,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:03:04,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:03:04,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:03:04,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:03:04,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:03:05,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:03:05,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:03:05,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:03:05,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:03:05,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:03:05,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:03:05,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:03:05,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:03:05,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:03:05,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:03:05,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:03:05,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:03:05,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:03:05,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:03:05,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:03:05,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:03:05,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:03:05,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:03:05,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:03:05,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:03:05,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:03:05,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:03:05,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:03:05,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:03:05,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:03:05,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:03:05,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:03:05,048 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8c954bbc-5044-4d09-b377-a8b21a7cd6d8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:03:05,091 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:03:05,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:03:05,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:03:05,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:03:05,093 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:03:05,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:03:05,093 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:03:05,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:03:05,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:03:05,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:03:05,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:03:05,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:03:05,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:03:05,095 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:03:05,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:03:05,096 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:03:05,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:03:05,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:03:05,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:03:05,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:03:05,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:03:05,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:03:05,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:03:05,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:03:05,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:03:05,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:03:05,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:03:05,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:03:05,098 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:03:05,098 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_8c954bbc-5044-4d09-b377-a8b21a7cd6d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8c954bbc-5044-4d09-b377-a8b21a7cd6d8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b4d92197dfffdd027bb5d3ff3dbfa8e4eded7a5 [2020-11-29 19:03:05,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:03:05,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:03:05,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:03:05,382 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:03:05,383 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:03:05,384 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8c954bbc-5044-4d09-b377-a8b21a7cd6d8/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label41.c [2020-11-29 19:03:05,477 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8c954bbc-5044-4d09-b377-a8b21a7cd6d8/bin/uautomizer/data/93ee900cb/f9797fc7917e4503a43ea6b18845c76d/FLAG68c5e4f17 [2020-11-29 19:03:06,048 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:03:06,049 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8c954bbc-5044-4d09-b377-a8b21a7cd6d8/sv-benchmarks/c/eca-rers2012/Problem02_label41.c [2020-11-29 19:03:06,062 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8c954bbc-5044-4d09-b377-a8b21a7cd6d8/bin/uautomizer/data/93ee900cb/f9797fc7917e4503a43ea6b18845c76d/FLAG68c5e4f17 [2020-11-29 19:03:06,338 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8c954bbc-5044-4d09-b377-a8b21a7cd6d8/bin/uautomizer/data/93ee900cb/f9797fc7917e4503a43ea6b18845c76d [2020-11-29 19:03:06,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:03:06,341 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:03:06,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:03:06,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:03:06,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:03:06,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:03:06" (1/1) ... [2020-11-29 19:03:06,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@316906f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:06, skipping insertion in model container [2020-11-29 19:03:06,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:03:06" (1/1) ... [2020-11-29 19:03:06,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:03:06,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:03:06,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:03:06,745 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:03:06,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:03:06,877 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:03:06,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:06 WrapperNode [2020-11-29 19:03:06,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:03:06,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:03:06,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:03:06,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:03:06,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:06" (1/1) ... [2020-11-29 19:03:06,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:06" (1/1) ... [2020-11-29 19:03:07,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:03:07,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:03:07,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:03:07,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:03:07,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:06" (1/1) ... [2020-11-29 19:03:07,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:06" (1/1) ... [2020-11-29 19:03:07,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:06" (1/1) ... [2020-11-29 19:03:07,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:06" (1/1) ... [2020-11-29 19:03:07,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:06" (1/1) ... [2020-11-29 19:03:07,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:06" (1/1) ... [2020-11-29 19:03:07,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:06" (1/1) ... [2020-11-29 19:03:07,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:03:07,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:03:07,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:03:07,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:03:07,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c954bbc-5044-4d09-b377-a8b21a7cd6d8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:03:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:03:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:03:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:03:07,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:03:08,427 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:03:08,427 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 19:03:08,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:03:08 BoogieIcfgContainer [2020-11-29 19:03:08,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:03:08,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:03:08,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:03:08,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:03:08,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:03:06" (1/3) ... [2020-11-29 19:03:08,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@689082d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:03:08, skipping insertion in model container [2020-11-29 19:03:08,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:06" (2/3) ... [2020-11-29 19:03:08,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@689082d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:03:08, skipping insertion in model container [2020-11-29 19:03:08,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:03:08" (3/3) ... [2020-11-29 19:03:08,440 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label41.c [2020-11-29 19:03:08,451 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:03:08,455 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:03:08,464 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:03:08,487 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:03:08,488 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:03:08,488 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:03:08,488 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:03:08,488 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:03:08,488 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:03:08,489 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:03:08,489 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:03:08,508 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-11-29 19:03:08,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-11-29 19:03:08,518 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:03:08,519 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:03:08,520 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:03:08,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:03:08,525 INFO L82 PathProgramCache]: Analyzing trace with hash 372621549, now seen corresponding path program 1 times [2020-11-29 19:03:08,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:03:08,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361123089] [2020-11-29 19:03:08,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:03:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:08,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:03:08,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361123089] [2020-11-29 19:03:08,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:03:08,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:03:08,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532084260] [2020-11-29 19:03:08,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:03:08,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:03:08,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:03:08,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:03:08,913 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-11-29 19:03:10,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:03:10,069 INFO L93 Difference]: Finished difference Result 640 states and 1083 transitions. [2020-11-29 19:03:10,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:03:10,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-11-29 19:03:10,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:03:10,093 INFO L225 Difference]: With dead ends: 640 [2020-11-29 19:03:10,093 INFO L226 Difference]: Without dead ends: 318 [2020-11-29 19:03:10,097 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:03:10,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-11-29 19:03:10,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 313. [2020-11-29 19:03:10,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2020-11-29 19:03:10,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 459 transitions. [2020-11-29 19:03:10,163 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 459 transitions. Word has length 90 [2020-11-29 19:03:10,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:03:10,164 INFO L481 AbstractCegarLoop]: Abstraction has 313 states and 459 transitions. [2020-11-29 19:03:10,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:03:10,164 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 459 transitions. [2020-11-29 19:03:10,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-11-29 19:03:10,169 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:03:10,169 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:03:10,170 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:03:10,170 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:03:10,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:03:10,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1103465114, now seen corresponding path program 1 times [2020-11-29 19:03:10,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:03:10,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486848608] [2020-11-29 19:03:10,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:03:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:10,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:03:10,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486848608] [2020-11-29 19:03:10,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:03:10,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:03:10,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202739651] [2020-11-29 19:03:10,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:03:10,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:03:10,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:03:10,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:03:10,272 INFO L87 Difference]: Start difference. First operand 313 states and 459 transitions. Second operand 3 states. [2020-11-29 19:03:11,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:03:11,026 INFO L93 Difference]: Finished difference Result 910 states and 1341 transitions. [2020-11-29 19:03:11,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:03:11,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2020-11-29 19:03:11,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:03:11,032 INFO L225 Difference]: With dead ends: 910 [2020-11-29 19:03:11,032 INFO L226 Difference]: Without dead ends: 599 [2020-11-29 19:03:11,035 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:03:11,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2020-11-29 19:03:11,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 596. [2020-11-29 19:03:11,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-11-29 19:03:11,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 772 transitions. [2020-11-29 19:03:11,086 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 772 transitions. Word has length 94 [2020-11-29 19:03:11,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:03:11,086 INFO L481 AbstractCegarLoop]: Abstraction has 596 states and 772 transitions. [2020-11-29 19:03:11,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:03:11,087 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 772 transitions. [2020-11-29 19:03:11,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-11-29 19:03:11,093 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:03:11,093 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:03:11,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:03:11,094 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:03:11,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:03:11,095 INFO L82 PathProgramCache]: Analyzing trace with hash 941217127, now seen corresponding path program 1 times [2020-11-29 19:03:11,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:03:11,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061863111] [2020-11-29 19:03:11,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:03:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:11,173 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:03:11,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061863111] [2020-11-29 19:03:11,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382732478] [2020-11-29 19:03:11,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c954bbc-5044-4d09-b377-a8b21a7cd6d8/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:03:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:11,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:03:11,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:03:11,386 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 19:03:11,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:03:11,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 19:03:11,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114290961] [2020-11-29 19:03:11,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:03:11,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:03:11,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:03:11,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:03:11,389 INFO L87 Difference]: Start difference. First operand 596 states and 772 transitions. Second operand 3 states. [2020-11-29 19:03:12,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:03:12,268 INFO L93 Difference]: Finished difference Result 1476 states and 1965 transitions. [2020-11-29 19:03:12,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:03:12,269 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-11-29 19:03:12,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:03:12,275 INFO L225 Difference]: With dead ends: 1476 [2020-11-29 19:03:12,275 INFO L226 Difference]: Without dead ends: 882 [2020-11-29 19:03:12,279 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:03:12,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2020-11-29 19:03:12,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 881. [2020-11-29 19:03:12,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 881 states. [2020-11-29 19:03:12,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1147 transitions. [2020-11-29 19:03:12,309 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1147 transitions. Word has length 99 [2020-11-29 19:03:12,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:03:12,310 INFO L481 AbstractCegarLoop]: Abstraction has 881 states and 1147 transitions. [2020-11-29 19:03:12,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:03:12,310 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1147 transitions. [2020-11-29 19:03:12,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-11-29 19:03:12,317 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:03:12,317 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:03:12,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-29 19:03:12,541 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:03:12,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:03:12,542 INFO L82 PathProgramCache]: Analyzing trace with hash 741827353, now seen corresponding path program 1 times [2020-11-29 19:03:12,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:03:12,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694686312] [2020-11-29 19:03:12,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:03:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:12,670 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-29 19:03:12,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694686312] [2020-11-29 19:03:12,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499114166] [2020-11-29 19:03:12,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c954bbc-5044-4d09-b377-a8b21a7cd6d8/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:03:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:12,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:03:12,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:03:12,838 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 19:03:12,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:03:12,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 19:03:12,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532793955] [2020-11-29 19:03:12,839 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:03:12,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:03:12,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:03:12,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:03:12,841 INFO L87 Difference]: Start difference. First operand 881 states and 1147 transitions. Second operand 3 states. [2020-11-29 19:03:13,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:03:13,496 INFO L93 Difference]: Finished difference Result 2040 states and 2662 transitions. [2020-11-29 19:03:13,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:03:13,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-11-29 19:03:13,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:03:13,503 INFO L225 Difference]: With dead ends: 2040 [2020-11-29 19:03:13,504 INFO L226 Difference]: Without dead ends: 1161 [2020-11-29 19:03:13,505 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:03:13,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2020-11-29 19:03:13,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1160. [2020-11-29 19:03:13,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1160 states. [2020-11-29 19:03:13,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1435 transitions. [2020-11-29 19:03:13,536 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1435 transitions. Word has length 115 [2020-11-29 19:03:13,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:03:13,537 INFO L481 AbstractCegarLoop]: Abstraction has 1160 states and 1435 transitions. [2020-11-29 19:03:13,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:03:13,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1435 transitions. [2020-11-29 19:03:13,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-11-29 19:03:13,546 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:03:13,546 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:03:13,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:03:13,753 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:03:13,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:03:13,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1699088414, now seen corresponding path program 1 times [2020-11-29 19:03:13,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:03:13,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537060123] [2020-11-29 19:03:13,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:03:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:13,870 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:03:13,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537060123] [2020-11-29 19:03:13,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:03:13,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:03:13,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692895789] [2020-11-29 19:03:13,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:03:13,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:03:13,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:03:13,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:03:13,874 INFO L87 Difference]: Start difference. First operand 1160 states and 1435 transitions. Second operand 3 states. [2020-11-29 19:03:14,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:03:14,570 INFO L93 Difference]: Finished difference Result 2601 states and 3243 transitions. [2020-11-29 19:03:14,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:03:14,571 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-11-29 19:03:14,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:03:14,579 INFO L225 Difference]: With dead ends: 2601 [2020-11-29 19:03:14,579 INFO L226 Difference]: Without dead ends: 1443 [2020-11-29 19:03:14,581 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:03:14,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2020-11-29 19:03:14,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1440. [2020-11-29 19:03:14,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1440 states. [2020-11-29 19:03:14,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 1740 transitions. [2020-11-29 19:03:14,622 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 1740 transitions. Word has length 115 [2020-11-29 19:03:14,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:03:14,622 INFO L481 AbstractCegarLoop]: Abstraction has 1440 states and 1740 transitions. [2020-11-29 19:03:14,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:03:14,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1740 transitions. [2020-11-29 19:03:14,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-11-29 19:03:14,626 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:03:14,627 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:03:14,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 19:03:14,627 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:03:14,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:03:14,629 INFO L82 PathProgramCache]: Analyzing trace with hash -439949385, now seen corresponding path program 1 times [2020-11-29 19:03:14,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:03:14,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520399127] [2020-11-29 19:03:14,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:03:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:14,729 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:03:14,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520399127] [2020-11-29 19:03:14,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:03:14,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:03:14,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395857215] [2020-11-29 19:03:14,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:03:14,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:03:14,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:03:14,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:03:14,734 INFO L87 Difference]: Start difference. First operand 1440 states and 1740 transitions. Second operand 3 states. [2020-11-29 19:03:15,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:03:15,424 INFO L93 Difference]: Finished difference Result 3997 states and 4858 transitions. [2020-11-29 19:03:15,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:03:15,425 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-11-29 19:03:15,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:03:15,439 INFO L225 Difference]: With dead ends: 3997 [2020-11-29 19:03:15,439 INFO L226 Difference]: Without dead ends: 2559 [2020-11-29 19:03:15,441 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:03:15,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2559 states. [2020-11-29 19:03:15,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2559 to 2559. [2020-11-29 19:03:15,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2559 states. [2020-11-29 19:03:15,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2559 states to 2559 states and 3014 transitions. [2020-11-29 19:03:15,503 INFO L78 Accepts]: Start accepts. Automaton has 2559 states and 3014 transitions. Word has length 118 [2020-11-29 19:03:15,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:03:15,510 INFO L481 AbstractCegarLoop]: Abstraction has 2559 states and 3014 transitions. [2020-11-29 19:03:15,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:03:15,510 INFO L276 IsEmpty]: Start isEmpty. Operand 2559 states and 3014 transitions. [2020-11-29 19:03:15,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-11-29 19:03:15,514 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:03:15,514 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:03:15,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 19:03:15,515 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:03:15,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:03:15,515 INFO L82 PathProgramCache]: Analyzing trace with hash -596947260, now seen corresponding path program 1 times [2020-11-29 19:03:15,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:03:15,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062290871] [2020-11-29 19:03:15,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:03:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:15,613 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:03:15,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062290871] [2020-11-29 19:03:15,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:03:15,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:03:15,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933801150] [2020-11-29 19:03:15,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:03:15,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:03:15,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:03:15,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:03:15,616 INFO L87 Difference]: Start difference. First operand 2559 states and 3014 transitions. Second operand 3 states. [2020-11-29 19:03:16,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:03:16,241 INFO L93 Difference]: Finished difference Result 5115 states and 6026 transitions. [2020-11-29 19:03:16,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:03:16,241 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-11-29 19:03:16,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:03:16,254 INFO L225 Difference]: With dead ends: 5115 [2020-11-29 19:03:16,254 INFO L226 Difference]: Without dead ends: 2558 [2020-11-29 19:03:16,257 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:03:16,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2558 states. [2020-11-29 19:03:16,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2558 to 2553. [2020-11-29 19:03:16,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2553 states. [2020-11-29 19:03:16,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2553 states to 2553 states and 2919 transitions. [2020-11-29 19:03:16,314 INFO L78 Accepts]: Start accepts. Automaton has 2553 states and 2919 transitions. Word has length 123 [2020-11-29 19:03:16,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:03:16,314 INFO L481 AbstractCegarLoop]: Abstraction has 2553 states and 2919 transitions. [2020-11-29 19:03:16,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:03:16,315 INFO L276 IsEmpty]: Start isEmpty. Operand 2553 states and 2919 transitions. [2020-11-29 19:03:16,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-11-29 19:03:16,318 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:03:16,319 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:03:16,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 19:03:16,319 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:03:16,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:03:16,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1138152211, now seen corresponding path program 1 times [2020-11-29 19:03:16,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:03:16,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537741607] [2020-11-29 19:03:16,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:03:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:16,401 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:03:16,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537741607] [2020-11-29 19:03:16,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:03:16,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:03:16,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026392087] [2020-11-29 19:03:16,402 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:03:16,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:03:16,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:03:16,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:03:16,404 INFO L87 Difference]: Start difference. First operand 2553 states and 2919 transitions. Second operand 3 states. [2020-11-29 19:03:17,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:03:17,120 INFO L93 Difference]: Finished difference Result 6798 states and 7801 transitions. [2020-11-29 19:03:17,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:03:17,121 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-11-29 19:03:17,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:03:17,142 INFO L225 Difference]: With dead ends: 6798 [2020-11-29 19:03:17,143 INFO L226 Difference]: Without dead ends: 4247 [2020-11-29 19:03:17,146 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:03:17,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4247 states. [2020-11-29 19:03:17,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4247 to 4246. [2020-11-29 19:03:17,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4246 states. [2020-11-29 19:03:17,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4246 states to 4246 states and 4789 transitions. [2020-11-29 19:03:17,234 INFO L78 Accepts]: Start accepts. Automaton has 4246 states and 4789 transitions. Word has length 123 [2020-11-29 19:03:17,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:03:17,234 INFO L481 AbstractCegarLoop]: Abstraction has 4246 states and 4789 transitions. [2020-11-29 19:03:17,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:03:17,234 INFO L276 IsEmpty]: Start isEmpty. Operand 4246 states and 4789 transitions. [2020-11-29 19:03:17,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-11-29 19:03:17,240 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:03:17,241 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:03:17,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 19:03:17,241 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:03:17,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:03:17,242 INFO L82 PathProgramCache]: Analyzing trace with hash 83537242, now seen corresponding path program 1 times [2020-11-29 19:03:17,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:03:17,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65928762] [2020-11-29 19:03:17,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:03:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:17,355 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-11-29 19:03:17,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65928762] [2020-11-29 19:03:17,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911442217] [2020-11-29 19:03:17,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c954bbc-5044-4d09-b377-a8b21a7cd6d8/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:03:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:17,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:03:17,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:03:17,533 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 19:03:17,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:03:17,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-29 19:03:17,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779162792] [2020-11-29 19:03:17,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:03:17,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:03:17,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:03:17,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:03:17,535 INFO L87 Difference]: Start difference. First operand 4246 states and 4789 transitions. Second operand 3 states. [2020-11-29 19:03:17,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:03:17,878 INFO L93 Difference]: Finished difference Result 7777 states and 8777 transitions. [2020-11-29 19:03:17,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:03:17,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-11-29 19:03:17,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:03:17,896 INFO L225 Difference]: With dead ends: 7777 [2020-11-29 19:03:17,896 INFO L226 Difference]: Without dead ends: 3391 [2020-11-29 19:03:17,901 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:03:17,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3391 states. [2020-11-29 19:03:17,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3391 to 3391. [2020-11-29 19:03:17,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3391 states. [2020-11-29 19:03:17,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3391 states to 3391 states and 3746 transitions. [2020-11-29 19:03:17,970 INFO L78 Accepts]: Start accepts. Automaton has 3391 states and 3746 transitions. Word has length 142 [2020-11-29 19:03:17,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:03:17,970 INFO L481 AbstractCegarLoop]: Abstraction has 3391 states and 3746 transitions. [2020-11-29 19:03:17,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:03:17,970 INFO L276 IsEmpty]: Start isEmpty. Operand 3391 states and 3746 transitions. [2020-11-29 19:03:17,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-11-29 19:03:17,975 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:03:17,976 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2020-11-29 19:03:18,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:03:18,201 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:03:18,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:03:18,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1389352424, now seen corresponding path program 1 times [2020-11-29 19:03:18,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:03:18,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071289900] [2020-11-29 19:03:18,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:03:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:18,279 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-29 19:03:18,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071289900] [2020-11-29 19:03:18,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:03:18,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:03:18,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812464957] [2020-11-29 19:03:18,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:03:18,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:03:18,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:03:18,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:03:18,283 INFO L87 Difference]: Start difference. First operand 3391 states and 3746 transitions. Second operand 3 states. [2020-11-29 19:03:18,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:03:18,848 INFO L93 Difference]: Finished difference Result 6355 states and 7051 transitions. [2020-11-29 19:03:18,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:03:18,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2020-11-29 19:03:18,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:03:18,864 INFO L225 Difference]: With dead ends: 6355 [2020-11-29 19:03:18,864 INFO L226 Difference]: Without dead ends: 3106 [2020-11-29 19:03:18,868 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:03:18,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3106 states. [2020-11-29 19:03:18,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3106 to 3106. [2020-11-29 19:03:18,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3106 states. [2020-11-29 19:03:18,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 3106 states and 3420 transitions. [2020-11-29 19:03:18,937 INFO L78 Accepts]: Start accepts. Automaton has 3106 states and 3420 transitions. Word has length 147 [2020-11-29 19:03:18,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:03:18,938 INFO L481 AbstractCegarLoop]: Abstraction has 3106 states and 3420 transitions. [2020-11-29 19:03:18,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:03:18,938 INFO L276 IsEmpty]: Start isEmpty. Operand 3106 states and 3420 transitions. [2020-11-29 19:03:18,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-11-29 19:03:18,945 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:03:18,946 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:03:18,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 19:03:18,946 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:03:18,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:03:18,947 INFO L82 PathProgramCache]: Analyzing trace with hash -91914518, now seen corresponding path program 1 times [2020-11-29 19:03:18,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:03:18,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112080284] [2020-11-29 19:03:18,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:03:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:19,035 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 19:03:19,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112080284] [2020-11-29 19:03:19,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:03:19,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:03:19,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890973636] [2020-11-29 19:03:19,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:03:19,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:03:19,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:03:19,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:03:19,038 INFO L87 Difference]: Start difference. First operand 3106 states and 3420 transitions. Second operand 3 states. [2020-11-29 19:03:19,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:03:19,539 INFO L93 Difference]: Finished difference Result 6348 states and 7005 transitions. [2020-11-29 19:03:19,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:03:19,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2020-11-29 19:03:19,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:03:19,552 INFO L225 Difference]: With dead ends: 6348 [2020-11-29 19:03:19,552 INFO L226 Difference]: Without dead ends: 2679 [2020-11-29 19:03:19,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:03:19,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2679 states. [2020-11-29 19:03:19,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2679 to 2679. [2020-11-29 19:03:19,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2679 states. [2020-11-29 19:03:19,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2679 states to 2679 states and 2911 transitions. [2020-11-29 19:03:19,605 INFO L78 Accepts]: Start accepts. Automaton has 2679 states and 2911 transitions. Word has length 158 [2020-11-29 19:03:19,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:03:19,605 INFO L481 AbstractCegarLoop]: Abstraction has 2679 states and 2911 transitions. [2020-11-29 19:03:19,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:03:19,606 INFO L276 IsEmpty]: Start isEmpty. Operand 2679 states and 2911 transitions. [2020-11-29 19:03:19,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-11-29 19:03:19,611 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:03:19,612 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:03:19,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 19:03:19,612 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:03:19,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:03:19,613 INFO L82 PathProgramCache]: Analyzing trace with hash -285629746, now seen corresponding path program 1 times [2020-11-29 19:03:19,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:03:19,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399301422] [2020-11-29 19:03:19,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:03:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:19,698 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-11-29 19:03:19,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399301422] [2020-11-29 19:03:19,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97448645] [2020-11-29 19:03:19,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c954bbc-5044-4d09-b377-a8b21a7cd6d8/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:03:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:19,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:03:19,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:03:19,883 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-11-29 19:03:19,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:03:19,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 19:03:19,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175989336] [2020-11-29 19:03:19,887 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:03:19,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:03:19,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:03:19,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:03:19,891 INFO L87 Difference]: Start difference. First operand 2679 states and 2911 transitions. Second operand 3 states. [2020-11-29 19:03:20,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:03:20,369 INFO L93 Difference]: Finished difference Result 5778 states and 6308 transitions. [2020-11-29 19:03:20,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:03:20,370 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 182 [2020-11-29 19:03:20,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:03:20,382 INFO L225 Difference]: With dead ends: 5778 [2020-11-29 19:03:20,382 INFO L226 Difference]: Without dead ends: 2961 [2020-11-29 19:03:20,385 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:03:20,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2961 states. [2020-11-29 19:03:20,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2961 to 2959. [2020-11-29 19:03:20,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2959 states. [2020-11-29 19:03:20,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 2959 states and 3199 transitions. [2020-11-29 19:03:20,446 INFO L78 Accepts]: Start accepts. Automaton has 2959 states and 3199 transitions. Word has length 182 [2020-11-29 19:03:20,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:03:20,446 INFO L481 AbstractCegarLoop]: Abstraction has 2959 states and 3199 transitions. [2020-11-29 19:03:20,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:03:20,446 INFO L276 IsEmpty]: Start isEmpty. Operand 2959 states and 3199 transitions. [2020-11-29 19:03:20,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-11-29 19:03:20,454 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:03:20,455 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:03:20,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:03:20,669 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:03:20,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:03:20,670 INFO L82 PathProgramCache]: Analyzing trace with hash 828237284, now seen corresponding path program 1 times [2020-11-29 19:03:20,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:03:20,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298753598] [2020-11-29 19:03:20,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:03:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:20,797 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2020-11-29 19:03:20,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298753598] [2020-11-29 19:03:20,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324651800] [2020-11-29 19:03:20,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c954bbc-5044-4d09-b377-a8b21a7cd6d8/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:03:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:20,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:03:20,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:03:20,985 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-29 19:03:20,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:03:20,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 19:03:20,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059550670] [2020-11-29 19:03:20,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:03:20,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:03:20,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:03:20,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:03:20,988 INFO L87 Difference]: Start difference. First operand 2959 states and 3199 transitions. Second operand 3 states. [2020-11-29 19:03:21,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:03:21,412 INFO L93 Difference]: Finished difference Result 5350 states and 5792 transitions. [2020-11-29 19:03:21,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:03:21,412 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2020-11-29 19:03:21,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:03:21,412 INFO L225 Difference]: With dead ends: 5350 [2020-11-29 19:03:21,412 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:03:21,425 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:03:21,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:03:21,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:03:21,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:03:21,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:03:21,426 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2020-11-29 19:03:21,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:03:21,426 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:03:21,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:03:21,426 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:03:21,426 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:03:21,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-29 19:03:21,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:03:21,908 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 32 [2020-11-29 19:03:22,169 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 32 [2020-11-29 19:03:22,174 INFO L274 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,174 INFO L274 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,174 INFO L274 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,174 INFO L274 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-11-29 19:03:22,174 INFO L274 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-11-29 19:03:22,175 INFO L274 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-11-29 19:03:22,175 INFO L274 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-11-29 19:03:22,175 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-11-29 19:03:22,175 INFO L274 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-11-29 19:03:22,175 INFO L274 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-11-29 19:03:22,175 INFO L274 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-11-29 19:03:22,175 INFO L274 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,175 INFO L274 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,175 INFO L274 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,175 INFO L274 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-11-29 19:03:22,175 INFO L274 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-11-29 19:03:22,175 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-11-29 19:03:22,175 INFO L274 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-11-29 19:03:22,176 INFO L274 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-11-29 19:03:22,176 INFO L274 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,176 INFO L274 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,176 INFO L274 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,176 INFO L274 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-11-29 19:03:22,176 INFO L274 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-11-29 19:03:22,176 INFO L274 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-11-29 19:03:22,176 INFO L274 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-11-29 19:03:22,176 INFO L274 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-11-29 19:03:22,176 INFO L274 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-11-29 19:03:22,176 INFO L274 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-11-29 19:03:22,176 INFO L274 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-11-29 19:03:22,176 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-11-29 19:03:22,176 INFO L274 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-11-29 19:03:22,177 INFO L274 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,177 INFO L274 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,177 INFO L274 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,177 INFO L274 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-11-29 19:03:22,177 INFO L274 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-11-29 19:03:22,177 INFO L274 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-11-29 19:03:22,177 INFO L274 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-11-29 19:03:22,177 INFO L274 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-11-29 19:03:22,177 INFO L274 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-11-29 19:03:22,177 INFO L274 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-11-29 19:03:22,177 INFO L274 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,177 INFO L274 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,177 INFO L274 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,177 INFO L274 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-11-29 19:03:22,178 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-11-29 19:03:22,178 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-11-29 19:03:22,178 INFO L274 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-11-29 19:03:22,178 INFO L274 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-11-29 19:03:22,178 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-11-29 19:03:22,178 INFO L274 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-11-29 19:03:22,178 INFO L274 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,178 INFO L274 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,178 INFO L274 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,178 INFO L274 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-11-29 19:03:22,178 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-11-29 19:03:22,178 INFO L274 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-11-29 19:03:22,178 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-11-29 19:03:22,178 INFO L274 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-11-29 19:03:22,179 INFO L274 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,179 INFO L274 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,179 INFO L274 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,179 INFO L274 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-11-29 19:03:22,179 INFO L274 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-11-29 19:03:22,179 INFO L274 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-11-29 19:03:22,179 INFO L274 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-11-29 19:03:22,179 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-11-29 19:03:22,179 INFO L274 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-11-29 19:03:22,179 INFO L274 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-11-29 19:03:22,179 INFO L274 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-11-29 19:03:22,179 INFO L274 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,179 INFO L274 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,179 INFO L274 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,180 INFO L274 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-11-29 19:03:22,180 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:03:22,180 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-29 19:03:22,180 INFO L274 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-11-29 19:03:22,180 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-11-29 19:03:22,180 INFO L274 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-11-29 19:03:22,180 INFO L274 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-11-29 19:03:22,180 INFO L274 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-11-29 19:03:22,180 INFO L274 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-11-29 19:03:22,180 INFO L274 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,180 INFO L274 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,180 INFO L274 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,180 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-29 19:03:22,180 INFO L274 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-11-29 19:03:22,180 INFO L274 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-11-29 19:03:22,181 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-11-29 19:03:22,181 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-29 19:03:22,181 INFO L274 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-11-29 19:03:22,181 INFO L274 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-11-29 19:03:22,181 INFO L274 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-11-29 19:03:22,181 INFO L274 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-11-29 19:03:22,181 INFO L274 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,181 INFO L274 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,181 INFO L274 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,181 INFO L274 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-11-29 19:03:22,181 INFO L274 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-11-29 19:03:22,181 INFO L274 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-11-29 19:03:22,181 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-11-29 19:03:22,182 INFO L274 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-11-29 19:03:22,182 INFO L274 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-11-29 19:03:22,182 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:03:22,182 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 19:03:22,182 INFO L274 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,182 INFO L274 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,182 INFO L274 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,182 INFO L274 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-11-29 19:03:22,182 INFO L274 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-11-29 19:03:22,182 INFO L274 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-11-29 19:03:22,182 INFO L274 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-11-29 19:03:22,182 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-11-29 19:03:22,182 INFO L274 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-11-29 19:03:22,183 INFO L274 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-11-29 19:03:22,183 INFO L274 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-11-29 19:03:22,183 INFO L274 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,183 INFO L274 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,183 INFO L274 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,183 INFO L274 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-11-29 19:03:22,183 INFO L274 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-11-29 19:03:22,183 INFO L274 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-11-29 19:03:22,183 INFO L274 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-11-29 19:03:22,183 INFO L274 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-11-29 19:03:22,183 INFO L274 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,183 INFO L274 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,183 INFO L274 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,184 INFO L274 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-11-29 19:03:22,184 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-11-29 19:03:22,184 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-11-29 19:03:22,184 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-11-29 19:03:22,184 INFO L274 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-11-29 19:03:22,184 INFO L274 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-11-29 19:03:22,184 INFO L274 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-11-29 19:03:22,184 INFO L274 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-11-29 19:03:22,184 INFO L274 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-11-29 19:03:22,184 INFO L274 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-11-29 19:03:22,184 INFO L274 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-11-29 19:03:22,184 INFO L274 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,184 INFO L274 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,184 INFO L274 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-11-29 19:03:22,185 INFO L274 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-11-29 19:03:22,191 INFO L274 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-11-29 19:03:22,191 INFO L274 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-11-29 19:03:22,191 INFO L274 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-11-29 19:03:22,191 INFO L274 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-11-29 19:03:22,191 INFO L274 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-11-29 19:03:22,191 INFO L274 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-11-29 19:03:22,192 INFO L274 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-11-29 19:03:22,192 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 19:03:22,192 INFO L270 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse6 (<= ~a17~0 7)) (.cse5 (<= ~a28~0 9)) (.cse0 (= ~a19~0 1)) (.cse9 (= ~a25~0 0)) (.cse2 (<= ~a28~0 7)) (.cse10 (<= ~a19~0 0)) (.cse4 (<= 9 ~a28~0)) (.cse1 (= ~a25~0 1)) (.cse8 (= ~a11~0 0)) (.cse3 (<= ~a17~0 8)) (.cse7 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse6) (and .cse4 .cse0 .cse1 .cse3 .cse7) (and .cse0 .cse1 .cse8 .cse3) (and .cse4 .cse9 .cse6 .cse7) (and .cse10 .cse9 .cse5 .cse3) (and .cse4 .cse0 .cse9 .cse3 .cse7) (and .cse0 .cse9 .cse8 .cse2 .cse3) (and .cse10 .cse4 .cse1 .cse8 .cse3 .cse7))) [2020-11-29 19:03:22,192 INFO L274 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,192 INFO L274 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,193 INFO L274 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-11-29 19:03:22,193 INFO L274 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-11-29 19:03:22,193 INFO L274 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-11-29 19:03:22,193 INFO L274 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-11-29 19:03:22,193 INFO L274 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-11-29 19:03:22,193 INFO L274 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-11-29 19:03:22,193 INFO L277 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-11-29 19:03:22,193 INFO L274 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,194 INFO L274 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,194 INFO L274 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-11-29 19:03:22,194 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-29 19:03:22,194 INFO L274 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-11-29 19:03:22,194 INFO L274 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-11-29 19:03:22,194 INFO L274 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-11-29 19:03:22,194 INFO L274 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-11-29 19:03:22,194 INFO L274 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-11-29 19:03:22,194 INFO L274 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-11-29 19:03:22,195 INFO L274 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-11-29 19:03:22,195 INFO L274 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,195 INFO L274 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,195 INFO L274 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-11-29 19:03:22,195 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-11-29 19:03:22,195 INFO L274 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-11-29 19:03:22,195 INFO L274 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-11-29 19:03:22,195 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:03:22,196 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-29 19:03:22,196 INFO L274 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-11-29 19:03:22,196 INFO L270 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse6 (<= ~a17~0 7)) (.cse5 (<= ~a28~0 9)) (.cse0 (= ~a19~0 1)) (.cse9 (= ~a25~0 0)) (.cse2 (<= ~a28~0 7)) (.cse10 (<= ~a19~0 0)) (.cse4 (<= 9 ~a28~0)) (.cse1 (= ~a25~0 1)) (.cse8 (= ~a11~0 0)) (.cse3 (<= ~a17~0 8)) (.cse7 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse6) (and .cse4 .cse0 .cse1 .cse3 .cse7) (and .cse0 .cse1 .cse8 .cse3) (and .cse4 .cse9 .cse6 .cse7) (and .cse10 .cse9 .cse5 .cse3) (and .cse4 .cse0 .cse9 .cse3 .cse7) (and .cse0 .cse9 .cse8 .cse2 .cse3) (and .cse10 .cse4 .cse1 .cse8 .cse3 .cse7))) [2020-11-29 19:03:22,196 INFO L274 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,196 INFO L274 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,196 INFO L274 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-11-29 19:03:22,196 INFO L274 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-11-29 19:03:22,197 INFO L274 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-11-29 19:03:22,197 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-29 19:03:22,197 INFO L274 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-11-29 19:03:22,197 INFO L274 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,197 INFO L274 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,197 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-29 19:03:22,197 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-11-29 19:03:22,197 INFO L274 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-11-29 19:03:22,198 INFO L274 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-11-29 19:03:22,198 INFO L274 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-11-29 19:03:22,198 INFO L274 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-11-29 19:03:22,198 INFO L274 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-11-29 19:03:22,198 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-29 19:03:22,198 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-11-29 19:03:22,198 INFO L274 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,198 INFO L274 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,199 INFO L274 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-11-29 19:03:22,199 INFO L274 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,199 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:03:22,199 INFO L274 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-11-29 19:03:22,199 INFO L274 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-11-29 19:03:22,199 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-11-29 19:03:22,199 INFO L274 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-11-29 19:03:22,199 INFO L274 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-11-29 19:03:22,199 INFO L274 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-11-29 19:03:22,200 INFO L274 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,200 INFO L274 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,200 INFO L274 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,200 INFO L274 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-11-29 19:03:22,200 INFO L274 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-11-29 19:03:22,200 INFO L274 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-11-29 19:03:22,200 INFO L274 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-11-29 19:03:22,200 INFO L274 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-11-29 19:03:22,201 INFO L274 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,201 INFO L274 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,201 INFO L274 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:03:22,201 INFO L274 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-11-29 19:03:22,201 INFO L274 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-11-29 19:03:22,201 INFO L274 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-11-29 19:03:22,201 INFO L274 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-11-29 19:03:22,201 INFO L274 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-11-29 19:03:22,202 INFO L274 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-11-29 19:03:22,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:03:22 BoogieIcfgContainer [2020-11-29 19:03:22,231 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:03:22,231 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:03:22,231 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:03:22,231 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:03:22,232 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:03:08" (3/4) ... [2020-11-29 19:03:22,243 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:03:22,276 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 19:03:22,277 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 19:03:22,279 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:03:22,280 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:03:22,465 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8c954bbc-5044-4d09-b377-a8b21a7cd6d8/bin/uautomizer/witness.graphml [2020-11-29 19:03:22,466 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:03:22,466 INFO L168 Benchmark]: Toolchain (without parser) took 16125.13 ms. Allocated memory was 109.1 MB in the beginning and 327.2 MB in the end (delta: 218.1 MB). Free memory was 75.3 MB in the beginning and 281.5 MB in the end (delta: -206.2 MB). Peak memory consumption was 191.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:03:22,467 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 75.5 MB. Free memory was 34.4 MB in the beginning and 34.3 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:03:22,467 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.51 ms. Allocated memory is still 109.1 MB. Free memory was 75.1 MB in the beginning and 69.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:03:22,468 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.27 ms. Allocated memory is still 109.1 MB. Free memory was 69.5 MB in the beginning and 64.0 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:03:22,468 INFO L168 Benchmark]: Boogie Preprocessor took 95.29 ms. Allocated memory is still 109.1 MB. Free memory was 64.0 MB in the beginning and 59.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:03:22,468 INFO L168 Benchmark]: RCFGBuilder took 1332.64 ms. Allocated memory was 109.1 MB in the beginning and 148.9 MB in the end (delta: 39.8 MB). Free memory was 59.8 MB in the beginning and 80.8 MB in the end (delta: -21.0 MB). Peak memory consumption was 41.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:03:22,469 INFO L168 Benchmark]: TraceAbstraction took 13796.87 ms. Allocated memory was 148.9 MB in the beginning and 327.2 MB in the end (delta: 178.3 MB). Free memory was 80.5 MB in the beginning and 109.8 MB in the end (delta: -29.3 MB). Peak memory consumption was 150.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:03:22,469 INFO L168 Benchmark]: Witness Printer took 234.63 ms. Allocated memory is still 327.2 MB. Free memory was 109.8 MB in the beginning and 281.5 MB in the end (delta: -171.7 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:03:22,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 75.5 MB. Free memory was 34.4 MB in the beginning and 34.3 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 551.51 ms. Allocated memory is still 109.1 MB. Free memory was 75.1 MB in the beginning and 69.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 107.27 ms. Allocated memory is still 109.1 MB. Free memory was 69.5 MB in the beginning and 64.0 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 95.29 ms. Allocated memory is still 109.1 MB. Free memory was 64.0 MB in the beginning and 59.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1332.64 ms. Allocated memory was 109.1 MB in the beginning and 148.9 MB in the end (delta: 39.8 MB). Free memory was 59.8 MB in the beginning and 80.8 MB in the end (delta: -21.0 MB). Peak memory consumption was 41.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13796.87 ms. Allocated memory was 148.9 MB in the beginning and 327.2 MB in the end (delta: 178.3 MB). Free memory was 80.5 MB in the beginning and 109.8 MB in the end (delta: -29.3 MB). Peak memory consumption was 150.0 MB. Max. memory is 16.1 GB. * Witness Printer took 234.63 ms. Allocated memory is still 327.2 MB. Free memory was 109.8 MB in the beginning and 281.5 MB in the end (delta: -171.7 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((((((((a19 == 1 && a25 == 1) && a28 <= 7) && a17 <= 8) || (((9 <= a28 && a25 == 1) && a28 <= 9) && a17 <= 7)) || ((((9 <= a28 && a19 == 1) && a25 == 1) && a17 <= 8) && a28 <= 10)) || (((a19 == 1 && a25 == 1) && a11 == 0) && a17 <= 8)) || (((9 <= a28 && a25 == 0) && a17 <= 7) && a28 <= 10)) || (((a19 <= 0 && a25 == 0) && a28 <= 9) && a17 <= 8)) || ((((9 <= a28 && a19 == 1) && a25 == 0) && a17 <= 8) && a28 <= 10)) || ((((a19 == 1 && a25 == 0) && a11 == 0) && a28 <= 7) && a17 <= 8)) || (((((a19 <= 0 && 9 <= a28) && a25 == 1) && a11 == 0) && a17 <= 8) && a28 <= 10) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((((((((a19 == 1 && a25 == 1) && a28 <= 7) && a17 <= 8) || (((9 <= a28 && a25 == 1) && a28 <= 9) && a17 <= 7)) || ((((9 <= a28 && a19 == 1) && a25 == 1) && a17 <= 8) && a28 <= 10)) || (((a19 == 1 && a25 == 1) && a11 == 0) && a17 <= 8)) || (((9 <= a28 && a25 == 0) && a17 <= 7) && a28 <= 10)) || (((a19 <= 0 && a25 == 0) && a28 <= 9) && a17 <= 8)) || ((((9 <= a28 && a19 == 1) && a25 == 0) && a17 <= 8) && a28 <= 10)) || ((((a19 == 1 && a25 == 0) && a11 == 0) && a28 <= 7) && a17 <= 8)) || (((((a19 <= 0 && 9 <= a28) && a25 == 1) && a11 == 0) && a17 <= 8) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.1s, OverallIterations: 13, TraceHistogramMax: 6, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1647 SDtfs, 1704 SDslu, 186 SDs, 0 SdLazy, 4579 SolverSat, 680 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 775 GetRequests, 752 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4246occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 21 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 57 NumberOfFragments, 267 HoareAnnotationTreeSize, 3 FomulaSimplifications, 606 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 142 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2458 NumberOfCodeBlocks, 2458 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2440 ConstructedInterpolants, 0 QuantifiedInterpolants, 529666 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1634 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 18 InterpolantComputations, 13 PerfectInterpolantSequences, 1306/1321 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...