./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label06.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_fd9bdb50-5faa-4662-aa0f-b84e27442ee0/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fd9bdb50-5faa-4662-aa0f-b84e27442ee0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fd9bdb50-5faa-4662-aa0f-b84e27442ee0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fd9bdb50-5faa-4662-aa0f-b84e27442ee0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label06.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fd9bdb50-5faa-4662-aa0f-b84e27442ee0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fd9bdb50-5faa-4662-aa0f-b84e27442ee0/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 296b9a8bd43d1f84683291887dc52c74499fe706 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:00:39,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:00:39,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:00:39,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:00:39,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:00:39,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:00:39,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:00:39,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:00:39,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:00:39,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:00:39,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:00:39,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:00:39,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:00:39,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:00:39,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:00:39,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:00:39,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:00:39,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:00:39,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:00:39,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:00:39,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:00:39,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:00:40,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:00:40,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:00:40,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:00:40,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:00:40,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:00:40,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:00:40,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:00:40,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:00:40,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:00:40,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:00:40,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:00:40,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:00:40,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:00:40,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:00:40,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:00:40,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:00:40,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:00:40,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:00:40,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:00:40,030 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fd9bdb50-5faa-4662-aa0f-b84e27442ee0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:00:40,072 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:00:40,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:00:40,074 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:00:40,074 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:00:40,074 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:00:40,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:00:40,075 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:00:40,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:00:40,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:00:40,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:00:40,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:00:40,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:00:40,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:00:40,082 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:00:40,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:00:40,082 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:00:40,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:00:40,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:00:40,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:00:40,083 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:00:40,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:00:40,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:00:40,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:00:40,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:00:40,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:00:40,085 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:00:40,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:00:40,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:00:40,086 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:00:40,086 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_fd9bdb50-5faa-4662-aa0f-b84e27442ee0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fd9bdb50-5faa-4662-aa0f-b84e27442ee0/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 296b9a8bd43d1f84683291887dc52c74499fe706 [2020-11-28 03:00:40,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:00:40,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:00:40,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:00:40,446 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:00:40,447 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:00:40,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fd9bdb50-5faa-4662-aa0f-b84e27442ee0/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label06.c [2020-11-28 03:00:40,519 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fd9bdb50-5faa-4662-aa0f-b84e27442ee0/bin/uautomizer/data/e059d026c/116fdcff713d4bfcab6e695081c1e654/FLAGe97093884 [2020-11-28 03:00:41,172 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:00:41,173 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fd9bdb50-5faa-4662-aa0f-b84e27442ee0/sv-benchmarks/c/eca-rers2012/Problem02_label06.c [2020-11-28 03:00:41,194 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fd9bdb50-5faa-4662-aa0f-b84e27442ee0/bin/uautomizer/data/e059d026c/116fdcff713d4bfcab6e695081c1e654/FLAGe97093884 [2020-11-28 03:00:41,383 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fd9bdb50-5faa-4662-aa0f-b84e27442ee0/bin/uautomizer/data/e059d026c/116fdcff713d4bfcab6e695081c1e654 [2020-11-28 03:00:41,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:00:41,387 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:00:41,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:00:41,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:00:41,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:00:41,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:00:41" (1/1) ... [2020-11-28 03:00:41,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5614eca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:41, skipping insertion in model container [2020-11-28 03:00:41,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:00:41" (1/1) ... [2020-11-28 03:00:41,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:00:41,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:00:41,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:00:41,849 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:00:42,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:00:42,070 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:00:42,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:42 WrapperNode [2020-11-28 03:00:42,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:00:42,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:00:42,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:00:42,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:00:42,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:42" (1/1) ... [2020-11-28 03:00:42,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:42" (1/1) ... [2020-11-28 03:00:42,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:00:42,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:00:42,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:00:42,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:00:42,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:42" (1/1) ... [2020-11-28 03:00:42,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:42" (1/1) ... [2020-11-28 03:00:42,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:42" (1/1) ... [2020-11-28 03:00:42,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:42" (1/1) ... [2020-11-28 03:00:42,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:42" (1/1) ... [2020-11-28 03:00:42,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:42" (1/1) ... [2020-11-28 03:00:42,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:42" (1/1) ... [2020-11-28 03:00:42,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:00:42,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:00:42,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:00:42,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:00:42,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd9bdb50-5faa-4662-aa0f-b84e27442ee0/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 [2020-11-28 03:00:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:00:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:00:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:00:42,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:00:43,808 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:00:43,809 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:00:43,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:43 BoogieIcfgContainer [2020-11-28 03:00:43,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:00:43,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:00:43,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:00:43,822 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:00:43,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:00:41" (1/3) ... [2020-11-28 03:00:43,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39500dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:00:43, skipping insertion in model container [2020-11-28 03:00:43,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:42" (2/3) ... [2020-11-28 03:00:43,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39500dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:00:43, skipping insertion in model container [2020-11-28 03:00:43,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:43" (3/3) ... [2020-11-28 03:00:43,825 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label06.c [2020-11-28 03:00:43,838 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:00:43,843 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:00:43,854 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:00:43,894 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:00:43,895 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:00:43,895 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:00:43,895 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:00:43,895 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:00:43,895 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:00:43,895 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:00:43,895 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:00:43,919 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-11-28 03:00:43,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-11-28 03:00:43,939 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:00:43,940 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:43,941 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:00:43,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:43,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1439061899, now seen corresponding path program 1 times [2020-11-28 03:00:43,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:43,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852113048] [2020-11-28 03:00:43,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:44,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:00:44,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852113048] [2020-11-28 03:00:44,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:00:44,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:00:44,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928490586] [2020-11-28 03:00:44,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:00:44,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:00:44,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:00:44,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:00:44,525 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-11-28 03:00:45,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:00:45,709 INFO L93 Difference]: Finished difference Result 597 states and 1031 transitions. [2020-11-28 03:00:45,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:00:45,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2020-11-28 03:00:45,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:00:45,731 INFO L225 Difference]: With dead ends: 597 [2020-11-28 03:00:45,731 INFO L226 Difference]: Without dead ends: 305 [2020-11-28 03:00:45,739 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 [2020-11-28 03:00:45,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-11-28 03:00:45,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2020-11-28 03:00:45,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-11-28 03:00:45,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 464 transitions. [2020-11-28 03:00:45,816 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 464 transitions. Word has length 140 [2020-11-28 03:00:45,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:00:45,818 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 464 transitions. [2020-11-28 03:00:45,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:00:45,818 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 464 transitions. [2020-11-28 03:00:45,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-11-28 03:00:45,823 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:00:45,823 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:45,823 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:00:45,824 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:00:45,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:45,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1659328717, now seen corresponding path program 1 times [2020-11-28 03:00:45,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:45,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110814647] [2020-11-28 03:00:45,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:46,005 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:00:46,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110814647] [2020-11-28 03:00:46,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:00:46,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:00:46,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424722024] [2020-11-28 03:00:46,009 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:00:46,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:00:46,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:00:46,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:00:46,013 INFO L87 Difference]: Start difference. First operand 305 states and 464 transitions. Second operand 3 states. [2020-11-28 03:00:46,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:00:46,384 INFO L93 Difference]: Finished difference Result 599 states and 913 transitions. [2020-11-28 03:00:46,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:00:46,386 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2020-11-28 03:00:46,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:00:46,389 INFO L225 Difference]: With dead ends: 599 [2020-11-28 03:00:46,389 INFO L226 Difference]: Without dead ends: 296 [2020-11-28 03:00:46,391 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 [2020-11-28 03:00:46,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-11-28 03:00:46,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2020-11-28 03:00:46,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-11-28 03:00:46,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 421 transitions. [2020-11-28 03:00:46,416 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 421 transitions. Word has length 151 [2020-11-28 03:00:46,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:00:46,416 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 421 transitions. [2020-11-28 03:00:46,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:00:46,416 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 421 transitions. [2020-11-28 03:00:46,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-11-28 03:00:46,426 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:00:46,426 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:46,426 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:00:46,427 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:00:46,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:46,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1594990984, now seen corresponding path program 1 times [2020-11-28 03:00:46,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:46,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614025421] [2020-11-28 03:00:46,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:46,545 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:00:46,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614025421] [2020-11-28 03:00:46,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:00:46,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:00:46,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280223302] [2020-11-28 03:00:46,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:00:46,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:00:46,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:00:46,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:00:46,555 INFO L87 Difference]: Start difference. First operand 296 states and 421 transitions. Second operand 3 states. [2020-11-28 03:00:47,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:00:47,276 INFO L93 Difference]: Finished difference Result 872 states and 1244 transitions. [2020-11-28 03:00:47,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:00:47,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2020-11-28 03:00:47,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:00:47,282 INFO L225 Difference]: With dead ends: 872 [2020-11-28 03:00:47,282 INFO L226 Difference]: Without dead ends: 578 [2020-11-28 03:00:47,285 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 [2020-11-28 03:00:47,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2020-11-28 03:00:47,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 438. [2020-11-28 03:00:47,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 438 states. [2020-11-28 03:00:47,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 573 transitions. [2020-11-28 03:00:47,330 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 573 transitions. Word has length 158 [2020-11-28 03:00:47,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:00:47,332 INFO L481 AbstractCegarLoop]: Abstraction has 438 states and 573 transitions. [2020-11-28 03:00:47,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:00:47,333 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 573 transitions. [2020-11-28 03:00:47,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-11-28 03:00:47,337 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:00:47,337 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:47,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:00:47,338 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:00:47,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:47,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1840922299, now seen corresponding path program 1 times [2020-11-28 03:00:47,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:47,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795625135] [2020-11-28 03:00:47,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:47,490 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:00:47,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795625135] [2020-11-28 03:00:47,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:00:47,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:00:47,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883802322] [2020-11-28 03:00:47,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:00:47,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:00:47,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:00:47,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:00:47,493 INFO L87 Difference]: Start difference. First operand 438 states and 573 transitions. Second operand 3 states. [2020-11-28 03:00:48,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:00:48,151 INFO L93 Difference]: Finished difference Result 1017 states and 1348 transitions. [2020-11-28 03:00:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:00:48,152 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2020-11-28 03:00:48,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:00:48,155 INFO L225 Difference]: With dead ends: 1017 [2020-11-28 03:00:48,155 INFO L226 Difference]: Without dead ends: 581 [2020-11-28 03:00:48,156 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 [2020-11-28 03:00:48,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2020-11-28 03:00:48,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 579. [2020-11-28 03:00:48,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2020-11-28 03:00:48,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 754 transitions. [2020-11-28 03:00:48,200 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 754 transitions. Word has length 163 [2020-11-28 03:00:48,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:00:48,201 INFO L481 AbstractCegarLoop]: Abstraction has 579 states and 754 transitions. [2020-11-28 03:00:48,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:00:48,201 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 754 transitions. [2020-11-28 03:00:48,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-28 03:00:48,204 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:00:48,205 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:48,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:00:48,205 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:00:48,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:48,206 INFO L82 PathProgramCache]: Analyzing trace with hash -736311237, now seen corresponding path program 1 times [2020-11-28 03:00:48,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:48,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714005173] [2020-11-28 03:00:48,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:48,637 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:00:48,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714005173] [2020-11-28 03:00:48,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747541928] [2020-11-28 03:00:48,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd9bdb50-5faa-4662-aa0f-b84e27442ee0/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 [2020-11-28 03:00:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:48,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:00:48,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:00:48,933 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 03:00:48,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:00:48,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-28 03:00:48,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341034249] [2020-11-28 03:00:48,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:00:48,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:00:48,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:00:48,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:00:48,936 INFO L87 Difference]: Start difference. First operand 579 states and 754 transitions. Second operand 3 states. [2020-11-28 03:00:49,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:00:49,780 INFO L93 Difference]: Finished difference Result 1585 states and 2049 transitions. [2020-11-28 03:00:49,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:00:49,781 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2020-11-28 03:00:49,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:00:49,789 INFO L225 Difference]: With dead ends: 1585 [2020-11-28 03:00:49,790 INFO L226 Difference]: Without dead ends: 1008 [2020-11-28 03:00:49,792 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:00:49,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2020-11-28 03:00:49,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 867. [2020-11-28 03:00:49,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-11-28 03:00:49,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1074 transitions. [2020-11-28 03:00:49,833 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1074 transitions. Word has length 167 [2020-11-28 03:00:49,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:00:49,834 INFO L481 AbstractCegarLoop]: Abstraction has 867 states and 1074 transitions. [2020-11-28 03:00:49,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:00:49,835 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1074 transitions. [2020-11-28 03:00:49,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-11-28 03:00:49,838 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:00:49,838 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:50,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:00:50,063 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:00:50,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:50,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1060993103, now seen corresponding path program 1 times [2020-11-28 03:00:50,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:50,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6466023] [2020-11-28 03:00:50,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:50,163 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 03:00:50,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6466023] [2020-11-28 03:00:50,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:00:50,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:00:50,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034212493] [2020-11-28 03:00:50,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:00:50,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:00:50,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:00:50,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:00:50,166 INFO L87 Difference]: Start difference. First operand 867 states and 1074 transitions. Second operand 3 states. [2020-11-28 03:00:50,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:00:50,813 INFO L93 Difference]: Finished difference Result 1726 states and 2137 transitions. [2020-11-28 03:00:50,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:00:50,814 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2020-11-28 03:00:50,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:00:50,824 INFO L225 Difference]: With dead ends: 1726 [2020-11-28 03:00:50,825 INFO L226 Difference]: Without dead ends: 861 [2020-11-28 03:00:50,826 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 [2020-11-28 03:00:50,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-11-28 03:00:50,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 861. [2020-11-28 03:00:50,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-11-28 03:00:50,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 985 transitions. [2020-11-28 03:00:50,854 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 985 transitions. Word has length 171 [2020-11-28 03:00:50,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:00:50,855 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 985 transitions. [2020-11-28 03:00:50,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:00:50,856 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 985 transitions. [2020-11-28 03:00:50,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-11-28 03:00:50,860 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:00:50,861 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:50,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:00:50,865 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:00:50,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:50,871 INFO L82 PathProgramCache]: Analyzing trace with hash 534947636, now seen corresponding path program 1 times [2020-11-28 03:00:50,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:50,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458585091] [2020-11-28 03:00:50,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:51,065 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 03:00:51,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458585091] [2020-11-28 03:00:51,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:00:51,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:00:51,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923915984] [2020-11-28 03:00:51,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:00:51,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:00:51,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:00:51,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:00:51,069 INFO L87 Difference]: Start difference. First operand 861 states and 985 transitions. Second operand 3 states. [2020-11-28 03:00:51,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:00:51,920 INFO L93 Difference]: Finished difference Result 2280 states and 2588 transitions. [2020-11-28 03:00:51,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:00:51,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2020-11-28 03:00:51,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:00:51,925 INFO L225 Difference]: With dead ends: 2280 [2020-11-28 03:00:51,925 INFO L226 Difference]: Without dead ends: 858 [2020-11-28 03:00:51,928 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 [2020-11-28 03:00:51,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-11-28 03:00:51,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 858. [2020-11-28 03:00:51,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 858 states. [2020-11-28 03:00:51,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 933 transitions. [2020-11-28 03:00:51,947 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 933 transitions. Word has length 233 [2020-11-28 03:00:51,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:00:51,948 INFO L481 AbstractCegarLoop]: Abstraction has 858 states and 933 transitions. [2020-11-28 03:00:51,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:00:51,948 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 933 transitions. [2020-11-28 03:00:51,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-11-28 03:00:51,978 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:00:51,978 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:51,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:00:51,978 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:00:51,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:51,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1559837765, now seen corresponding path program 1 times [2020-11-28 03:00:51,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:51,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985506437] [2020-11-28 03:00:51,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:52,131 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 72 proven. 4 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-11-28 03:00:52,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985506437] [2020-11-28 03:00:52,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361182853] [2020-11-28 03:00:52,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd9bdb50-5faa-4662-aa0f-b84e27442ee0/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 [2020-11-28 03:00:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:52,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:00:52,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:00:52,370 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-11-28 03:00:52,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:00:52,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-28 03:00:52,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147309882] [2020-11-28 03:00:52,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:00:52,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:00:52,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:00:52,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:00:52,373 INFO L87 Difference]: Start difference. First operand 858 states and 933 transitions. Second operand 3 states. [2020-11-28 03:00:52,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:00:52,931 INFO L93 Difference]: Finished difference Result 2279 states and 2476 transitions. [2020-11-28 03:00:52,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:00:52,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2020-11-28 03:00:52,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:00:52,939 INFO L225 Difference]: With dead ends: 2279 [2020-11-28 03:00:52,939 INFO L226 Difference]: Without dead ends: 1423 [2020-11-28 03:00:52,941 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:00:52,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1423 states. [2020-11-28 03:00:52,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1423 to 1278. [2020-11-28 03:00:52,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1278 states. [2020-11-28 03:00:52,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1278 states and 1387 transitions. [2020-11-28 03:00:52,971 INFO L78 Accepts]: Start accepts. Automaton has 1278 states and 1387 transitions. Word has length 243 [2020-11-28 03:00:52,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:00:52,971 INFO L481 AbstractCegarLoop]: Abstraction has 1278 states and 1387 transitions. [2020-11-28 03:00:52,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:00:52,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1387 transitions. [2020-11-28 03:00:52,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-11-28 03:00:52,977 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:00:52,977 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:53,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:00:53,203 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:00:53,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:53,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1418039631, now seen corresponding path program 1 times [2020-11-28 03:00:53,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:53,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614476848] [2020-11-28 03:00:53,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:53,387 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 80 proven. 8 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-11-28 03:00:53,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614476848] [2020-11-28 03:00:53,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915531297] [2020-11-28 03:00:53,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd9bdb50-5faa-4662-aa0f-b84e27442ee0/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 [2020-11-28 03:00:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:53,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:00:53,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:00:53,640 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-11-28 03:00:53,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:00:53,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-28 03:00:53,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012102648] [2020-11-28 03:00:53,642 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:00:53,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:00:53,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:00:53,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:00:53,643 INFO L87 Difference]: Start difference. First operand 1278 states and 1387 transitions. Second operand 3 states. [2020-11-28 03:00:54,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:00:54,298 INFO L93 Difference]: Finished difference Result 2414 states and 2627 transitions. [2020-11-28 03:00:54,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:00:54,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 247 [2020-11-28 03:00:54,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:00:54,306 INFO L225 Difference]: With dead ends: 2414 [2020-11-28 03:00:54,306 INFO L226 Difference]: Without dead ends: 1278 [2020-11-28 03:00:54,308 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:00:54,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2020-11-28 03:00:54,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1278. [2020-11-28 03:00:54,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1278 states. [2020-11-28 03:00:54,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1278 states and 1364 transitions. [2020-11-28 03:00:54,337 INFO L78 Accepts]: Start accepts. Automaton has 1278 states and 1364 transitions. Word has length 247 [2020-11-28 03:00:54,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:00:54,338 INFO L481 AbstractCegarLoop]: Abstraction has 1278 states and 1364 transitions. [2020-11-28 03:00:54,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:00:54,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1364 transitions. [2020-11-28 03:00:54,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-11-28 03:00:54,343 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:00:54,344 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:54,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:00:54,567 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:00:54,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:54,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1340152621, now seen corresponding path program 1 times [2020-11-28 03:00:54,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:54,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222108119] [2020-11-28 03:00:54,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:54,708 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-11-28 03:00:54,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222108119] [2020-11-28 03:00:54,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:00:54,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:00:54,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260177916] [2020-11-28 03:00:54,709 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:00:54,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:00:54,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:00:54,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:00:54,711 INFO L87 Difference]: Start difference. First operand 1278 states and 1364 transitions. Second operand 3 states. [2020-11-28 03:00:55,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:00:55,320 INFO L93 Difference]: Finished difference Result 2695 states and 2896 transitions. [2020-11-28 03:00:55,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:00:55,320 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 268 [2020-11-28 03:00:55,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:00:55,329 INFO L225 Difference]: With dead ends: 2695 [2020-11-28 03:00:55,329 INFO L226 Difference]: Without dead ends: 1559 [2020-11-28 03:00:55,331 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 [2020-11-28 03:00:55,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1559 states. [2020-11-28 03:00:55,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1559 to 1278. [2020-11-28 03:00:55,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1278 states. [2020-11-28 03:00:55,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1278 states and 1361 transitions. [2020-11-28 03:00:55,362 INFO L78 Accepts]: Start accepts. Automaton has 1278 states and 1361 transitions. Word has length 268 [2020-11-28 03:00:55,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:00:55,362 INFO L481 AbstractCegarLoop]: Abstraction has 1278 states and 1361 transitions. [2020-11-28 03:00:55,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:00:55,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1361 transitions. [2020-11-28 03:00:55,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-11-28 03:00:55,368 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:00:55,369 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:55,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:00:55,370 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:00:55,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:55,370 INFO L82 PathProgramCache]: Analyzing trace with hash -342046692, now seen corresponding path program 1 times [2020-11-28 03:00:55,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:55,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552976307] [2020-11-28 03:00:55,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:55,601 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:00:55,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552976307] [2020-11-28 03:00:55,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:00:55,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:00:55,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988606046] [2020-11-28 03:00:55,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:00:55,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:00:55,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:00:55,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:00:55,604 INFO L87 Difference]: Start difference. First operand 1278 states and 1361 transitions. Second operand 4 states. [2020-11-28 03:00:56,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:00:56,444 INFO L93 Difference]: Finished difference Result 2974 states and 3160 transitions. [2020-11-28 03:00:56,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:00:56,445 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 291 [2020-11-28 03:00:56,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:00:56,453 INFO L225 Difference]: With dead ends: 2974 [2020-11-28 03:00:56,453 INFO L226 Difference]: Without dead ends: 1558 [2020-11-28 03:00:56,455 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:00:56,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1558 states. [2020-11-28 03:00:56,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1558 to 1416. [2020-11-28 03:00:56,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1416 states. [2020-11-28 03:00:56,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 1483 transitions. [2020-11-28 03:00:56,489 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 1483 transitions. Word has length 291 [2020-11-28 03:00:56,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:00:56,489 INFO L481 AbstractCegarLoop]: Abstraction has 1416 states and 1483 transitions. [2020-11-28 03:00:56,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:00:56,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1483 transitions. [2020-11-28 03:00:56,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-11-28 03:00:56,496 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:00:56,496 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-28 03:00:56,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 03:00:56,497 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:00:56,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:56,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1359711507, now seen corresponding path program 1 times [2020-11-28 03:00:56,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:56,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643364058] [2020-11-28 03:00:56,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:56,800 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-11-28 03:00:56,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643364058] [2020-11-28 03:00:56,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:00:56,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:00:56,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274318278] [2020-11-28 03:00:56,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:00:56,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:00:56,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:00:56,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:00:56,803 INFO L87 Difference]: Start difference. First operand 1416 states and 1483 transitions. Second operand 5 states. [2020-11-28 03:00:57,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:00:57,916 INFO L93 Difference]: Finished difference Result 2858 states and 3002 transitions. [2020-11-28 03:00:57,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:00:57,917 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 301 [2020-11-28 03:00:57,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:00:57,924 INFO L225 Difference]: With dead ends: 2858 [2020-11-28 03:00:57,924 INFO L226 Difference]: Without dead ends: 1295 [2020-11-28 03:00:57,926 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:00:57,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2020-11-28 03:00:57,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1134. [2020-11-28 03:00:57,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1134 states. [2020-11-28 03:00:57,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1161 transitions. [2020-11-28 03:00:57,958 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1161 transitions. Word has length 301 [2020-11-28 03:00:57,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:00:57,959 INFO L481 AbstractCegarLoop]: Abstraction has 1134 states and 1161 transitions. [2020-11-28 03:00:57,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:00:57,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1161 transitions. [2020-11-28 03:00:57,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-11-28 03:00:57,967 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:00:57,968 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:57,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-28 03:00:57,968 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:00:57,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:57,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1849293059, now seen corresponding path program 1 times [2020-11-28 03:00:57,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:57,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034821015] [2020-11-28 03:00:57,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:58,302 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 277 proven. 106 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-28 03:00:58,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034821015] [2020-11-28 03:00:58,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577627944] [2020-11-28 03:00:58,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd9bdb50-5faa-4662-aa0f-b84e27442ee0/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 [2020-11-28 03:00:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:58,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 03:00:58,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:00:58,617 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-11-28 03:00:58,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:00:58,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-28 03:00:58,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068784700] [2020-11-28 03:00:58,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:00:58,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:00:58,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:00:58,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:00:58,619 INFO L87 Difference]: Start difference. First operand 1134 states and 1161 transitions. Second operand 3 states. [2020-11-28 03:00:59,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:00:59,029 INFO L93 Difference]: Finished difference Result 1557 states and 1597 transitions. [2020-11-28 03:00:59,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:00:59,030 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 343 [2020-11-28 03:00:59,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:00:59,030 INFO L225 Difference]: With dead ends: 1557 [2020-11-28 03:00:59,030 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:00:59,032 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:00:59,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:00:59,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:00:59,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:00:59,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:00:59,033 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 343 [2020-11-28 03:00:59,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:00:59,033 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:00:59,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:00:59,033 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:00:59,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:00:59,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:00:59,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:00:59,540 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 37 [2020-11-28 03:00:59,778 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 37 [2020-11-28 03:00:59,781 INFO L274 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,781 INFO L274 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,781 INFO L274 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,781 INFO L274 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-11-28 03:00:59,781 INFO L274 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-11-28 03:00:59,781 INFO L274 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-11-28 03:00:59,782 INFO L274 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-11-28 03:00:59,782 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-11-28 03:00:59,782 INFO L274 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-11-28 03:00:59,782 INFO L274 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-11-28 03:00:59,782 INFO L274 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-11-28 03:00:59,782 INFO L274 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,782 INFO L274 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,782 INFO L274 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,782 INFO L274 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-11-28 03:00:59,782 INFO L274 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-11-28 03:00:59,782 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-11-28 03:00:59,782 INFO L274 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-11-28 03:00:59,782 INFO L274 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-11-28 03:00:59,782 INFO L274 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,782 INFO L274 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,782 INFO L274 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,782 INFO L274 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-11-28 03:00:59,783 INFO L274 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-11-28 03:00:59,783 INFO L274 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-11-28 03:00:59,783 INFO L274 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-11-28 03:00:59,783 INFO L274 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-11-28 03:00:59,783 INFO L274 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-11-28 03:00:59,783 INFO L274 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-11-28 03:00:59,783 INFO L274 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-11-28 03:00:59,783 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-11-28 03:00:59,783 INFO L274 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-11-28 03:00:59,783 INFO L274 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,783 INFO L274 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,783 INFO L274 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,783 INFO L274 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-11-28 03:00:59,783 INFO L274 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-11-28 03:00:59,783 INFO L274 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-11-28 03:00:59,783 INFO L274 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-11-28 03:00:59,783 INFO L274 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-11-28 03:00:59,784 INFO L274 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-11-28 03:00:59,784 INFO L274 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-11-28 03:00:59,784 INFO L274 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,784 INFO L274 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,784 INFO L274 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,784 INFO L274 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-11-28 03:00:59,784 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-11-28 03:00:59,784 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-11-28 03:00:59,784 INFO L274 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-11-28 03:00:59,784 INFO L274 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-11-28 03:00:59,784 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-11-28 03:00:59,784 INFO L274 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-11-28 03:00:59,784 INFO L274 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,784 INFO L274 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,784 INFO L274 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,784 INFO L274 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-11-28 03:00:59,785 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-11-28 03:00:59,785 INFO L274 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-11-28 03:00:59,785 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-11-28 03:00:59,785 INFO L274 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-11-28 03:00:59,785 INFO L274 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,785 INFO L274 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,785 INFO L274 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,785 INFO L274 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-11-28 03:00:59,785 INFO L274 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-11-28 03:00:59,785 INFO L274 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-11-28 03:00:59,785 INFO L274 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-11-28 03:00:59,785 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-11-28 03:00:59,785 INFO L274 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-11-28 03:00:59,785 INFO L274 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-11-28 03:00:59,785 INFO L274 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-11-28 03:00:59,785 INFO L274 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,786 INFO L274 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,786 INFO L274 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,786 INFO L274 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-11-28 03:00:59,786 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:00:59,786 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-28 03:00:59,786 INFO L274 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-11-28 03:00:59,786 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-11-28 03:00:59,786 INFO L274 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-11-28 03:00:59,786 INFO L274 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-11-28 03:00:59,786 INFO L274 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-11-28 03:00:59,786 INFO L274 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-11-28 03:00:59,786 INFO L274 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,786 INFO L274 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,786 INFO L274 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,786 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-28 03:00:59,786 INFO L274 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-11-28 03:00:59,786 INFO L274 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-11-28 03:00:59,787 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-11-28 03:00:59,787 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-28 03:00:59,787 INFO L274 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-11-28 03:00:59,787 INFO L274 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-11-28 03:00:59,792 INFO L274 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-11-28 03:00:59,792 INFO L274 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-11-28 03:00:59,792 INFO L274 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,792 INFO L274 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,792 INFO L274 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,792 INFO L274 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-11-28 03:00:59,793 INFO L274 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-11-28 03:00:59,793 INFO L274 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-11-28 03:00:59,793 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-11-28 03:00:59,793 INFO L274 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-11-28 03:00:59,793 INFO L274 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-11-28 03:00:59,793 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:00:59,793 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:00:59,793 INFO L274 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,794 INFO L274 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,794 INFO L274 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,794 INFO L274 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-11-28 03:00:59,794 INFO L274 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-11-28 03:00:59,794 INFO L274 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-11-28 03:00:59,794 INFO L274 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-11-28 03:00:59,794 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-11-28 03:00:59,794 INFO L274 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-11-28 03:00:59,794 INFO L274 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-11-28 03:00:59,795 INFO L274 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-11-28 03:00:59,795 INFO L274 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,795 INFO L274 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,795 INFO L274 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,795 INFO L274 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-11-28 03:00:59,795 INFO L274 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-11-28 03:00:59,796 INFO L274 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-11-28 03:00:59,796 INFO L274 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-11-28 03:00:59,796 INFO L274 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-11-28 03:00:59,796 INFO L274 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,796 INFO L274 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,796 INFO L274 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,796 INFO L274 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-11-28 03:00:59,796 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-11-28 03:00:59,796 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-11-28 03:00:59,797 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-11-28 03:00:59,797 INFO L274 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-11-28 03:00:59,797 INFO L274 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-11-28 03:00:59,797 INFO L274 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-11-28 03:00:59,797 INFO L274 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-11-28 03:00:59,797 INFO L274 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-11-28 03:00:59,797 INFO L274 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-11-28 03:00:59,797 INFO L274 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-11-28 03:00:59,797 INFO L274 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,798 INFO L274 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,798 INFO L274 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-11-28 03:00:59,798 INFO L274 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-11-28 03:00:59,798 INFO L274 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-11-28 03:00:59,798 INFO L274 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-11-28 03:00:59,798 INFO L274 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-11-28 03:00:59,798 INFO L274 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-11-28 03:00:59,798 INFO L274 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-11-28 03:00:59,799 INFO L274 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-11-28 03:00:59,799 INFO L274 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-11-28 03:00:59,799 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:00:59,801 INFO L270 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse4 (<= 9 ~a28~0)) (.cse6 (= ~a21~0 1)) (.cse7 (= ~a17~0 8)) (.cse11 (<= ~a25~0 0)) (.cse0 (<= ~a19~0 0)) (.cse10 (<= ~a28~0 7)) (.cse2 (= ~a11~0 1)) (.cse5 (= ~a19~0 1)) (.cse8 (<= 8 ~a17~0)) (.cse9 (= ~a25~0 1)) (.cse1 (<= ~a17~0 8)) (.cse3 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse3) (and .cse5 .cse6 .cse8 .cse9 .cse1) (and .cse5 .cse9 .cse10 .cse1) (and .cse0 .cse4 .cse9 .cse1 .cse3) (and .cse5 .cse10 .cse1 .cse2) (and .cse0 (<= ~a28~0 8) .cse1 .cse11) (and .cse5 .cse6 .cse7 .cse10 .cse11) (and .cse0 .cse10 .cse1) (and .cse5 .cse8 .cse2 .cse1 .cse3) (and .cse5 .cse8 .cse9 .cse1 .cse3))) [2020-11-28 03:00:59,801 INFO L274 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,801 INFO L274 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,801 INFO L274 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-11-28 03:00:59,802 INFO L274 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-11-28 03:00:59,802 INFO L274 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-11-28 03:00:59,802 INFO L274 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-11-28 03:00:59,802 INFO L274 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-11-28 03:00:59,802 INFO L274 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-11-28 03:00:59,802 INFO L277 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-11-28 03:00:59,802 INFO L274 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,802 INFO L274 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,803 INFO L274 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-11-28 03:00:59,803 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-28 03:00:59,803 INFO L274 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-11-28 03:00:59,803 INFO L274 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-11-28 03:00:59,803 INFO L274 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-11-28 03:00:59,803 INFO L274 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-11-28 03:00:59,803 INFO L274 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-11-28 03:00:59,803 INFO L274 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-11-28 03:00:59,803 INFO L274 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-11-28 03:00:59,804 INFO L274 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,804 INFO L274 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,804 INFO L274 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-11-28 03:00:59,804 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-11-28 03:00:59,804 INFO L274 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-11-28 03:00:59,804 INFO L274 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-11-28 03:00:59,804 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:00:59,804 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-28 03:00:59,805 INFO L274 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-11-28 03:00:59,805 INFO L270 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse4 (<= 9 ~a28~0)) (.cse6 (= ~a21~0 1)) (.cse7 (= ~a17~0 8)) (.cse11 (<= ~a25~0 0)) (.cse0 (<= ~a19~0 0)) (.cse10 (<= ~a28~0 7)) (.cse2 (= ~a11~0 1)) (.cse5 (= ~a19~0 1)) (.cse8 (<= 8 ~a17~0)) (.cse9 (= ~a25~0 1)) (.cse1 (<= ~a17~0 8)) (.cse3 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse3) (and .cse5 .cse6 .cse8 .cse9 .cse1) (and .cse5 .cse9 .cse10 .cse1) (and .cse0 .cse4 .cse9 .cse1 .cse3) (and .cse5 .cse10 .cse1 .cse2) (and .cse0 (<= ~a28~0 8) .cse1 .cse11) (and .cse5 .cse6 .cse7 .cse10 .cse11) (and .cse0 .cse10 .cse1) (and .cse5 .cse8 .cse2 .cse1 .cse3) (and .cse5 .cse8 .cse9 .cse1 .cse3))) [2020-11-28 03:00:59,805 INFO L274 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,805 INFO L274 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,805 INFO L274 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-11-28 03:00:59,805 INFO L274 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-11-28 03:00:59,806 INFO L274 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-11-28 03:00:59,806 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-28 03:00:59,806 INFO L274 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-11-28 03:00:59,806 INFO L274 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,806 INFO L274 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,806 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-28 03:00:59,806 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-11-28 03:00:59,806 INFO L274 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-11-28 03:00:59,806 INFO L274 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-11-28 03:00:59,807 INFO L274 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-11-28 03:00:59,807 INFO L274 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-11-28 03:00:59,807 INFO L274 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-11-28 03:00:59,807 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-28 03:00:59,807 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-11-28 03:00:59,807 INFO L274 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,807 INFO L274 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,807 INFO L274 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-11-28 03:00:59,807 INFO L274 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,808 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:00:59,808 INFO L274 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-11-28 03:00:59,808 INFO L274 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-11-28 03:00:59,808 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-11-28 03:00:59,808 INFO L274 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-11-28 03:00:59,808 INFO L274 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-11-28 03:00:59,808 INFO L274 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-11-28 03:00:59,808 INFO L274 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,808 INFO L274 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,809 INFO L274 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,809 INFO L274 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-11-28 03:00:59,809 INFO L274 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-11-28 03:00:59,809 INFO L274 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-11-28 03:00:59,809 INFO L274 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-11-28 03:00:59,809 INFO L274 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-11-28 03:00:59,809 INFO L274 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,809 INFO L274 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,810 INFO L274 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:00:59,810 INFO L274 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-11-28 03:00:59,810 INFO L274 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-11-28 03:00:59,810 INFO L274 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-11-28 03:00:59,810 INFO L274 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-11-28 03:00:59,810 INFO L274 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-11-28 03:00:59,810 INFO L274 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-11-28 03:00:59,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:00:59 BoogieIcfgContainer [2020-11-28 03:00:59,851 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:00:59,852 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:00:59,852 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:00:59,852 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:00:59,853 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:43" (3/4) ... [2020-11-28 03:00:59,856 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:00:59,893 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:00:59,896 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:00:59,898 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:00:59,912 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:01:00,072 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fd9bdb50-5faa-4662-aa0f-b84e27442ee0/bin/uautomizer/witness.graphml [2020-11-28 03:01:00,073 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:01:00,074 INFO L168 Benchmark]: Toolchain (without parser) took 18687.48 ms. Allocated memory was 94.4 MB in the beginning and 408.9 MB in the end (delta: 314.6 MB). Free memory was 52.2 MB in the beginning and 230.2 MB in the end (delta: -178.0 MB). Peak memory consumption was 138.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:00,075 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 94.4 MB. Free memory is still 70.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:01:00,075 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.82 ms. Allocated memory is still 94.4 MB. Free memory was 52.0 MB in the beginning and 67.4 MB in the end (delta: -15.4 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:00,076 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.67 ms. Allocated memory is still 94.4 MB. Free memory was 67.4 MB in the beginning and 61.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:00,076 INFO L168 Benchmark]: Boogie Preprocessor took 72.20 ms. Allocated memory is still 94.4 MB. Free memory was 61.9 MB in the beginning and 57.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:00,076 INFO L168 Benchmark]: RCFGBuilder took 1571.30 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 57.7 MB in the beginning and 68.4 MB in the end (delta: -10.8 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:00,077 INFO L168 Benchmark]: TraceAbstraction took 16035.68 ms. Allocated memory was 121.6 MB in the beginning and 408.9 MB in the end (delta: 287.3 MB). Free memory was 68.4 MB in the beginning and 245.9 MB in the end (delta: -177.5 MB). Peak memory consumption was 110.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:00,077 INFO L168 Benchmark]: Witness Printer took 221.49 ms. Allocated memory is still 408.9 MB. Free memory was 245.9 MB in the beginning and 230.2 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:00,079 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 94.4 MB. Free memory is still 70.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 682.82 ms. Allocated memory is still 94.4 MB. Free memory was 52.0 MB in the beginning and 67.4 MB in the end (delta: -15.4 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.67 ms. Allocated memory is still 94.4 MB. Free memory was 67.4 MB in the beginning and 61.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.20 ms. Allocated memory is still 94.4 MB. Free memory was 61.9 MB in the beginning and 57.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1571.30 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 57.7 MB in the beginning and 68.4 MB in the end (delta: -10.8 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16035.68 ms. Allocated memory was 121.6 MB in the beginning and 408.9 MB in the end (delta: 287.3 MB). Free memory was 68.4 MB in the beginning and 245.9 MB in the end (delta: -177.5 MB). Peak memory consumption was 110.5 MB. Max. memory is 16.1 GB. * Witness Printer took 221.49 ms. Allocated memory is still 408.9 MB. Free memory was 245.9 MB in the beginning and 230.2 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((((((((((a19 <= 0 && a17 <= 8) && a11 == 1) && a28 <= 10) || ((((9 <= a28 && a19 == 1) && a21 == 1) && a17 == 8) && a28 <= 10)) || ((((a19 == 1 && a21 == 1) && 8 <= a17) && a25 == 1) && a17 <= 8)) || (((a19 == 1 && a25 == 1) && a28 <= 7) && a17 <= 8)) || ((((a19 <= 0 && 9 <= a28) && a25 == 1) && a17 <= 8) && a28 <= 10)) || (((a19 == 1 && a28 <= 7) && a17 <= 8) && a11 == 1)) || (((a19 <= 0 && a28 <= 8) && a17 <= 8) && a25 <= 0)) || ((((a19 == 1 && a21 == 1) && a17 == 8) && a28 <= 7) && a25 <= 0)) || ((a19 <= 0 && a28 <= 7) && a17 <= 8)) || ((((a19 == 1 && 8 <= a17) && a11 == 1) && a17 <= 8) && a28 <= 10)) || ((((a19 == 1 && 8 <= a17) && a25 == 1) && a17 <= 8) && a28 <= 10) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((((((((((a19 <= 0 && a17 <= 8) && a11 == 1) && a28 <= 10) || ((((9 <= a28 && a19 == 1) && a21 == 1) && a17 == 8) && a28 <= 10)) || ((((a19 == 1 && a21 == 1) && 8 <= a17) && a25 == 1) && a17 <= 8)) || (((a19 == 1 && a25 == 1) && a28 <= 7) && a17 <= 8)) || ((((a19 <= 0 && 9 <= a28) && a25 == 1) && a17 <= 8) && a28 <= 10)) || (((a19 == 1 && a28 <= 7) && a17 <= 8) && a11 == 1)) || (((a19 <= 0 && a28 <= 8) && a17 <= 8) && a25 <= 0)) || ((((a19 == 1 && a21 == 1) && a17 == 8) && a28 <= 7) && a25 <= 0)) || ((a19 <= 0 && a28 <= 7) && a17 <= 8)) || ((((a19 == 1 && 8 <= a17) && a11 == 1) && a17 <= 8) && a28 <= 10)) || ((((a19 == 1 && 8 <= a17) && a25 == 1) && 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: 15.3s, OverallIterations: 13, TraceHistogramMax: 5, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1414 SDtfs, 1844 SDslu, 173 SDs, 0 SdLazy, 4965 SolverSat, 705 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1038 GetRequests, 1010 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1416occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 1012 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 41 NumberOfFragments, 319 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1574 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 310 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 3876 NumberOfCodeBlocks, 3876 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3859 ConstructedInterpolants, 0 QuantifiedInterpolants, 2345977 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1659 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 2265/2399 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...