./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label42.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_1ce67234-3b24-4f89-a098-c5d0211c2bda/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1ce67234-3b24-4f89-a098-c5d0211c2bda/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1ce67234-3b24-4f89-a098-c5d0211c2bda/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1ce67234-3b24-4f89-a098-c5d0211c2bda/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label42.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1ce67234-3b24-4f89-a098-c5d0211c2bda/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1ce67234-3b24-4f89-a098-c5d0211c2bda/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 b06f1040cd58cb831717b4b63ae9b85fbb4a7d2a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 03:20:03,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:20:03,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:20:04,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:20:04,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:20:04,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:20:04,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:20:04,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:20:04,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:20:04,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:20:04,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:20:04,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:20:04,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:20:04,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:20:04,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:20:04,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:20:04,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:20:04,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:20:04,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:20:04,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:20:04,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:20:04,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:20:04,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:20:04,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:20:04,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:20:04,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:20:04,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:20:04,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:20:04,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:20:04,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:20:04,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:20:04,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:20:04,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:20:04,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:20:04,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:20:04,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:20:04,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:20:04,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:20:04,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:20:04,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:20:04,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:20:04,096 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1ce67234-3b24-4f89-a098-c5d0211c2bda/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:20:04,123 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:20:04,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:20:04,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:20:04,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:20:04,125 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:20:04,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:20:04,126 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:20:04,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:20:04,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:20:04,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:20:04,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:20:04,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:20:04,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:20:04,128 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:20:04,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:20:04,128 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:20:04,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:20:04,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:20:04,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:20:04,129 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:20:04,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:20:04,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:20:04,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:20:04,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:20:04,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:20:04,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:20:04,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:20:04,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:20:04,130 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:20:04,131 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_1ce67234-3b24-4f89-a098-c5d0211c2bda/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1ce67234-3b24-4f89-a098-c5d0211c2bda/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b06f1040cd58cb831717b4b63ae9b85fbb4a7d2a [2020-11-28 03:20:04,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:20:04,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:20:04,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:20:04,477 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:20:04,478 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:20:04,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1ce67234-3b24-4f89-a098-c5d0211c2bda/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label42.c [2020-11-28 03:20:04,550 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1ce67234-3b24-4f89-a098-c5d0211c2bda/bin/uautomizer/data/00031aa3c/70e563db62f5481b97eb752416cb6649/FLAG4b01c8fbf [2020-11-28 03:20:05,215 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:20:05,217 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1ce67234-3b24-4f89-a098-c5d0211c2bda/sv-benchmarks/c/eca-rers2012/Problem14_label42.c [2020-11-28 03:20:05,229 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1ce67234-3b24-4f89-a098-c5d0211c2bda/bin/uautomizer/data/00031aa3c/70e563db62f5481b97eb752416cb6649/FLAG4b01c8fbf [2020-11-28 03:20:05,452 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1ce67234-3b24-4f89-a098-c5d0211c2bda/bin/uautomizer/data/00031aa3c/70e563db62f5481b97eb752416cb6649 [2020-11-28 03:20:05,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:20:05,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:20:05,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:05,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:20:05,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:20:05,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:05" (1/1) ... [2020-11-28 03:20:05,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@328fcb1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:05, skipping insertion in model container [2020-11-28 03:20:05,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:05" (1/1) ... [2020-11-28 03:20:05,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:20:05,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:20:06,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:06,025 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:20:06,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:06,209 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:20:06,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:06 WrapperNode [2020-11-28 03:20:06,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:06,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:06,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:20:06,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:20:06,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:06" (1/1) ... [2020-11-28 03:20:06,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:06" (1/1) ... [2020-11-28 03:20:06,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:06,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:20:06,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:20:06,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:20:06,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:06" (1/1) ... [2020-11-28 03:20:06,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:06" (1/1) ... [2020-11-28 03:20:06,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:06" (1/1) ... [2020-11-28 03:20:06,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:06" (1/1) ... [2020-11-28 03:20:06,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:06" (1/1) ... [2020-11-28 03:20:06,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:06" (1/1) ... [2020-11-28 03:20:06,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:06" (1/1) ... [2020-11-28 03:20:06,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:20:06,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:20:06,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:20:06,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:20:06,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1ce67234-3b24-4f89-a098-c5d0211c2bda/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 03:20:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:20:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:20:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:20:06,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:20:08,189 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:20:08,189 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:20:08,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:08 BoogieIcfgContainer [2020-11-28 03:20:08,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:20:08,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:20:08,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:20:08,201 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:20:08,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:20:05" (1/3) ... [2020-11-28 03:20:08,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f004ac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:08, skipping insertion in model container [2020-11-28 03:20:08,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:06" (2/3) ... [2020-11-28 03:20:08,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f004ac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:08, skipping insertion in model container [2020-11-28 03:20:08,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:08" (3/3) ... [2020-11-28 03:20:08,204 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label42.c [2020-11-28 03:20:08,215 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:20:08,220 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:20:08,231 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:20:08,270 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:20:08,270 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:20:08,271 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:20:08,271 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:20:08,271 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:20:08,271 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:20:08,271 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:20:08,271 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:20:08,291 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-11-28 03:20:08,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 03:20:08,298 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:08,299 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:08,299 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:08,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:08,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1824112922, now seen corresponding path program 1 times [2020-11-28 03:20:08,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:08,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106197343] [2020-11-28 03:20:08,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:08,580 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 03:20:08,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106197343] [2020-11-28 03:20:08,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:08,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:20:08,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163572481] [2020-11-28 03:20:08,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:08,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:08,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:08,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:08,602 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-11-28 03:20:09,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:09,923 INFO L93 Difference]: Finished difference Result 670 states and 1201 transitions. [2020-11-28 03:20:09,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:09,926 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2020-11-28 03:20:09,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:09,946 INFO L225 Difference]: With dead ends: 670 [2020-11-28 03:20:09,949 INFO L226 Difference]: Without dead ends: 360 [2020-11-28 03:20:09,959 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 03:20:09,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-11-28 03:20:10,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-11-28 03:20:10,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-11-28 03:20:10,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 546 transitions. [2020-11-28 03:20:10,060 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 546 transitions. Word has length 42 [2020-11-28 03:20:10,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:10,061 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 546 transitions. [2020-11-28 03:20:10,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:10,062 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 546 transitions. [2020-11-28 03:20:10,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-11-28 03:20:10,070 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:10,071 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:20:10,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:20:10,072 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:10,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:10,075 INFO L82 PathProgramCache]: Analyzing trace with hash 26757657, now seen corresponding path program 1 times [2020-11-28 03:20:10,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:10,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492681384] [2020-11-28 03:20:10,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:10,349 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:10,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492681384] [2020-11-28 03:20:10,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:10,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:20:10,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028312979] [2020-11-28 03:20:10,353 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:10,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:10,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:10,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:10,355 INFO L87 Difference]: Start difference. First operand 360 states and 546 transitions. Second operand 3 states. [2020-11-28 03:20:11,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:11,387 INFO L93 Difference]: Finished difference Result 1076 states and 1634 transitions. [2020-11-28 03:20:11,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:11,389 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-11-28 03:20:11,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:11,393 INFO L225 Difference]: With dead ends: 1076 [2020-11-28 03:20:11,393 INFO L226 Difference]: Without dead ends: 718 [2020-11-28 03:20:11,395 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 03:20:11,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2020-11-28 03:20:11,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 716. [2020-11-28 03:20:11,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-11-28 03:20:11,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 969 transitions. [2020-11-28 03:20:11,442 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 969 transitions. Word has length 117 [2020-11-28 03:20:11,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:11,443 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 969 transitions. [2020-11-28 03:20:11,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:11,443 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 969 transitions. [2020-11-28 03:20:11,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-28 03:20:11,446 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:11,447 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:20:11,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:20:11,447 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:11,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:11,448 INFO L82 PathProgramCache]: Analyzing trace with hash -2082906353, now seen corresponding path program 1 times [2020-11-28 03:20:11,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:11,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933928334] [2020-11-28 03:20:11,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:11,679 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:11,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933928334] [2020-11-28 03:20:11,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:11,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:11,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57836346] [2020-11-28 03:20:11,681 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:20:11,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:11,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:20:11,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:20:11,683 INFO L87 Difference]: Start difference. First operand 716 states and 969 transitions. Second operand 4 states. [2020-11-28 03:20:13,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:13,131 INFO L93 Difference]: Finished difference Result 1966 states and 2575 transitions. [2020-11-28 03:20:13,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:20:13,131 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2020-11-28 03:20:13,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:13,139 INFO L225 Difference]: With dead ends: 1966 [2020-11-28 03:20:13,140 INFO L226 Difference]: Without dead ends: 1252 [2020-11-28 03:20:13,141 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:20:13,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2020-11-28 03:20:13,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1250. [2020-11-28 03:20:13,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-11-28 03:20:13,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1546 transitions. [2020-11-28 03:20:13,176 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1546 transitions. Word has length 121 [2020-11-28 03:20:13,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:13,176 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1546 transitions. [2020-11-28 03:20:13,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:20:13,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1546 transitions. [2020-11-28 03:20:13,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-11-28 03:20:13,182 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:13,183 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-28 03:20:13,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:20:13,183 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:13,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:13,184 INFO L82 PathProgramCache]: Analyzing trace with hash 753012003, now seen corresponding path program 1 times [2020-11-28 03:20:13,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:13,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227002590] [2020-11-28 03:20:13,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:13,408 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 03:20:13,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227002590] [2020-11-28 03:20:13,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:13,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:13,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493889173] [2020-11-28 03:20:13,410 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:20:13,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:13,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:20:13,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:20:13,413 INFO L87 Difference]: Start difference. First operand 1250 states and 1546 transitions. Second operand 4 states. [2020-11-28 03:20:14,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:14,460 INFO L93 Difference]: Finished difference Result 2707 states and 3359 transitions. [2020-11-28 03:20:14,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:20:14,461 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 201 [2020-11-28 03:20:14,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:14,473 INFO L225 Difference]: With dead ends: 2707 [2020-11-28 03:20:14,473 INFO L226 Difference]: Without dead ends: 1608 [2020-11-28 03:20:14,475 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:20:14,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2020-11-28 03:20:14,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1606. [2020-11-28 03:20:14,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-11-28 03:20:14,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1804 transitions. [2020-11-28 03:20:14,519 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1804 transitions. Word has length 201 [2020-11-28 03:20:14,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:14,521 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1804 transitions. [2020-11-28 03:20:14,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:20:14,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1804 transitions. [2020-11-28 03:20:14,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-11-28 03:20:14,528 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:14,528 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:14,529 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:20:14,529 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:14,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:14,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1051208272, now seen corresponding path program 1 times [2020-11-28 03:20:14,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:14,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515361433] [2020-11-28 03:20:14,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:15,113 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 167 proven. 130 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-11-28 03:20:15,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515361433] [2020-11-28 03:20:15,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112753453] [2020-11-28 03:20:15,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1ce67234-3b24-4f89-a098-c5d0211c2bda/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 03:20:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:15,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:20:15,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:15,622 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-11-28 03:20:15,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:20:15,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-11-28 03:20:15,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823162466] [2020-11-28 03:20:15,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:15,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:15,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:15,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:20:15,626 INFO L87 Difference]: Start difference. First operand 1606 states and 1804 transitions. Second operand 3 states. [2020-11-28 03:20:16,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:16,737 INFO L93 Difference]: Finished difference Result 3388 states and 3907 transitions. [2020-11-28 03:20:16,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:16,738 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 328 [2020-11-28 03:20:16,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:16,749 INFO L225 Difference]: With dead ends: 3388 [2020-11-28 03:20:16,750 INFO L226 Difference]: Without dead ends: 1962 [2020-11-28 03:20:16,753 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:20:16,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-11-28 03:20:16,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1962. [2020-11-28 03:20:16,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-11-28 03:20:16,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2201 transitions. [2020-11-28 03:20:16,808 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2201 transitions. Word has length 328 [2020-11-28 03:20:16,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:16,809 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2201 transitions. [2020-11-28 03:20:16,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:16,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2201 transitions. [2020-11-28 03:20:16,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2020-11-28 03:20:16,815 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:16,815 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:17,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:20:17,040 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:17,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:17,041 INFO L82 PathProgramCache]: Analyzing trace with hash -81049818, now seen corresponding path program 1 times [2020-11-28 03:20:17,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:17,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109066570] [2020-11-28 03:20:17,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:17,667 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 250 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:17,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109066570] [2020-11-28 03:20:17,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552679011] [2020-11-28 03:20:17,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1ce67234-3b24-4f89-a098-c5d0211c2bda/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 03:20:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:17,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:20:17,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:17,976 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2020-11-28 03:20:17,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:20:17,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-11-28 03:20:17,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696576974] [2020-11-28 03:20:17,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:17,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:17,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:17,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:20:17,988 INFO L87 Difference]: Start difference. First operand 1962 states and 2201 transitions. Second operand 3 states. [2020-11-28 03:20:18,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:18,817 INFO L93 Difference]: Finished difference Result 3922 states and 4435 transitions. [2020-11-28 03:20:18,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:18,818 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 332 [2020-11-28 03:20:18,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:18,830 INFO L225 Difference]: With dead ends: 3922 [2020-11-28 03:20:18,830 INFO L226 Difference]: Without dead ends: 1962 [2020-11-28 03:20:18,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:20:18,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-11-28 03:20:18,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1606. [2020-11-28 03:20:18,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-11-28 03:20:18,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1800 transitions. [2020-11-28 03:20:18,894 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1800 transitions. Word has length 332 [2020-11-28 03:20:18,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:18,899 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1800 transitions. [2020-11-28 03:20:18,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:18,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1800 transitions. [2020-11-28 03:20:18,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2020-11-28 03:20:18,906 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:18,906 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2020-11-28 03:20:19,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:20:19,120 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:19,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:19,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1591264658, now seen corresponding path program 1 times [2020-11-28 03:20:19,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:19,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754902213] [2020-11-28 03:20:19,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:19,367 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-28 03:20:19,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754902213] [2020-11-28 03:20:19,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:19,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:19,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877860484] [2020-11-28 03:20:19,370 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:19,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:19,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:19,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:19,372 INFO L87 Difference]: Start difference. First operand 1606 states and 1800 transitions. Second operand 3 states. [2020-11-28 03:20:20,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:20,338 INFO L93 Difference]: Finished difference Result 3566 states and 4070 transitions. [2020-11-28 03:20:20,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:20,338 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 359 [2020-11-28 03:20:20,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:20,350 INFO L225 Difference]: With dead ends: 3566 [2020-11-28 03:20:20,350 INFO L226 Difference]: Without dead ends: 2140 [2020-11-28 03:20:20,352 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 03:20:20,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2020-11-28 03:20:20,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 1962. [2020-11-28 03:20:20,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-11-28 03:20:20,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2206 transitions. [2020-11-28 03:20:20,397 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2206 transitions. Word has length 359 [2020-11-28 03:20:20,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:20,398 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2206 transitions. [2020-11-28 03:20:20,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:20,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2206 transitions. [2020-11-28 03:20:20,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2020-11-28 03:20:20,405 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:20,406 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:20,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:20:20,406 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:20,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:20,407 INFO L82 PathProgramCache]: Analyzing trace with hash 480125513, now seen corresponding path program 1 times [2020-11-28 03:20:20,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:20,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699910069] [2020-11-28 03:20:20,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:20,872 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 303 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:20,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699910069] [2020-11-28 03:20:20,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308151704] [2020-11-28 03:20:20,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1ce67234-3b24-4f89-a098-c5d0211c2bda/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 03:20:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:21,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:20:21,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:21,162 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-28 03:20:21,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:20:21,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-11-28 03:20:21,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318381309] [2020-11-28 03:20:21,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:21,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:21,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:21,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:20:21,172 INFO L87 Difference]: Start difference. First operand 1962 states and 2206 transitions. Second operand 3 states. [2020-11-28 03:20:22,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:22,002 INFO L93 Difference]: Finished difference Result 3566 states and 4052 transitions. [2020-11-28 03:20:22,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:22,003 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 361 [2020-11-28 03:20:22,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:22,012 INFO L225 Difference]: With dead ends: 3566 [2020-11-28 03:20:22,013 INFO L226 Difference]: Without dead ends: 1962 [2020-11-28 03:20:22,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:20:22,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-11-28 03:20:22,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1962. [2020-11-28 03:20:22,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-11-28 03:20:22,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2160 transitions. [2020-11-28 03:20:22,054 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2160 transitions. Word has length 361 [2020-11-28 03:20:22,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:22,055 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2160 transitions. [2020-11-28 03:20:22,055 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:22,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2160 transitions. [2020-11-28 03:20:22,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2020-11-28 03:20:22,058 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:22,059 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:22,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:20:22,284 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:22,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:22,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1890877039, now seen corresponding path program 1 times [2020-11-28 03:20:22,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:22,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426580894] [2020-11-28 03:20:22,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:22,531 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-28 03:20:22,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426580894] [2020-11-28 03:20:22,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:22,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:22,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992550967] [2020-11-28 03:20:22,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:22,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:22,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:22,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:22,535 INFO L87 Difference]: Start difference. First operand 1962 states and 2160 transitions. Second operand 3 states. [2020-11-28 03:20:23,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:23,453 INFO L93 Difference]: Finished difference Result 4634 states and 5185 transitions. [2020-11-28 03:20:23,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:23,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 366 [2020-11-28 03:20:23,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:23,478 INFO L225 Difference]: With dead ends: 4634 [2020-11-28 03:20:23,481 INFO L226 Difference]: Without dead ends: 3030 [2020-11-28 03:20:23,484 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 03:20:23,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2020-11-28 03:20:23,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2674. [2020-11-28 03:20:23,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2674 states. [2020-11-28 03:20:23,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 2963 transitions. [2020-11-28 03:20:23,551 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 2963 transitions. Word has length 366 [2020-11-28 03:20:23,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:23,552 INFO L481 AbstractCegarLoop]: Abstraction has 2674 states and 2963 transitions. [2020-11-28 03:20:23,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:23,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 2963 transitions. [2020-11-28 03:20:23,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2020-11-28 03:20:23,557 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:23,558 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:23,558 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:20:23,560 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:23,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:23,561 INFO L82 PathProgramCache]: Analyzing trace with hash 2052640905, now seen corresponding path program 1 times [2020-11-28 03:20:23,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:23,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497653985] [2020-11-28 03:20:23,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:24,194 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 605 proven. 130 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-28 03:20:24,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497653985] [2020-11-28 03:20:24,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245878073] [2020-11-28 03:20:24,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1ce67234-3b24-4f89-a098-c5d0211c2bda/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 03:20:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:24,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:20:24,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:24,529 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2020-11-28 03:20:24,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:20:24,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-11-28 03:20:24,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338095348] [2020-11-28 03:20:24,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:24,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:24,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:24,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:20:24,531 INFO L87 Difference]: Start difference. First operand 2674 states and 2963 transitions. Second operand 3 states. [2020-11-28 03:20:25,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:25,258 INFO L93 Difference]: Finished difference Result 5522 states and 6171 transitions. [2020-11-28 03:20:25,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:25,258 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 462 [2020-11-28 03:20:25,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:25,260 INFO L225 Difference]: With dead ends: 5522 [2020-11-28 03:20:25,260 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:20:25,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 461 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:20:25,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:20:25,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:20:25,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:20:25,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:20:25,266 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 462 [2020-11-28 03:20:25,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:25,266 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:20:25,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:25,267 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:20:25,267 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:20:25,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:20:25,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:20:25,634 INFO L274 CegarLoopResult]: For program point L762(lines 762 880) no Hoare annotation was computed. [2020-11-28 03:20:25,634 INFO L274 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-11-28 03:20:25,634 INFO L274 CegarLoopResult]: For program point L829(lines 829 880) no Hoare annotation was computed. [2020-11-28 03:20:25,634 INFO L274 CegarLoopResult]: For program point L631(lines 631 880) no Hoare annotation was computed. [2020-11-28 03:20:25,634 INFO L274 CegarLoopResult]: For program point L565(lines 565 880) no Hoare annotation was computed. [2020-11-28 03:20:25,634 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,634 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,634 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,635 INFO L274 CegarLoopResult]: For program point L698(lines 698 880) no Hoare annotation was computed. [2020-11-28 03:20:25,635 INFO L274 CegarLoopResult]: For program point L500(lines 500 880) no Hoare annotation was computed. [2020-11-28 03:20:25,635 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-28 03:20:25,635 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-28 03:20:25,635 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-28 03:20:25,635 INFO L274 CegarLoopResult]: For program point L369(lines 369 880) no Hoare annotation was computed. [2020-11-28 03:20:25,635 INFO L274 CegarLoopResult]: For program point L303(lines 303 880) no Hoare annotation was computed. [2020-11-28 03:20:25,635 INFO L274 CegarLoopResult]: For program point L436(lines 436 880) no Hoare annotation was computed. [2020-11-28 03:20:25,635 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,635 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,635 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,635 INFO L274 CegarLoopResult]: For program point L239(lines 239 880) no Hoare annotation was computed. [2020-11-28 03:20:25,636 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-28 03:20:25,636 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-28 03:20:25,636 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-28 03:20:25,636 INFO L274 CegarLoopResult]: For program point L768(lines 768 880) no Hoare annotation was computed. [2020-11-28 03:20:25,636 INFO L274 CegarLoopResult]: For program point L636(lines 636 880) no Hoare annotation was computed. [2020-11-28 03:20:25,636 INFO L274 CegarLoopResult]: For program point L835(lines 835 880) no Hoare annotation was computed. [2020-11-28 03:20:25,636 INFO L274 CegarLoopResult]: For program point L571(lines 571 880) no Hoare annotation was computed. [2020-11-28 03:20:25,636 INFO L274 CegarLoopResult]: For program point L505(lines 505 880) no Hoare annotation was computed. [2020-11-28 03:20:25,636 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,636 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,636 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,636 INFO L274 CegarLoopResult]: For program point L704(lines 704 880) no Hoare annotation was computed. [2020-11-28 03:20:25,637 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-28 03:20:25,638 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-28 03:20:25,638 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-28 03:20:25,638 INFO L274 CegarLoopResult]: For program point L309(lines 309 880) no Hoare annotation was computed. [2020-11-28 03:20:25,639 INFO L274 CegarLoopResult]: For program point L442(lines 442 880) no Hoare annotation was computed. [2020-11-28 03:20:25,639 INFO L274 CegarLoopResult]: For program point L376(lines 376 880) no Hoare annotation was computed. [2020-11-28 03:20:25,639 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,639 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,639 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,639 INFO L274 CegarLoopResult]: For program point L245(lines 245 880) no Hoare annotation was computed. [2020-11-28 03:20:25,640 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-28 03:20:25,640 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-28 03:20:25,640 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-28 03:20:25,644 INFO L274 CegarLoopResult]: For program point L774(lines 774 880) no Hoare annotation was computed. [2020-11-28 03:20:25,644 INFO L274 CegarLoopResult]: For program point L642(lines 642 880) no Hoare annotation was computed. [2020-11-28 03:20:25,644 INFO L274 CegarLoopResult]: For program point L510(lines 510 880) no Hoare annotation was computed. [2020-11-28 03:20:25,644 INFO L274 CegarLoopResult]: For program point L841(lines 841 880) no Hoare annotation was computed. [2020-11-28 03:20:25,644 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,645 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,645 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,645 INFO L274 CegarLoopResult]: For program point L710(lines 710 880) no Hoare annotation was computed. [2020-11-28 03:20:25,645 INFO L274 CegarLoopResult]: For program point L578(lines 578 880) no Hoare annotation was computed. [2020-11-28 03:20:25,645 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-28 03:20:25,645 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-28 03:20:25,645 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-28 03:20:25,646 INFO L274 CegarLoopResult]: For program point L315(lines 315 880) no Hoare annotation was computed. [2020-11-28 03:20:25,646 INFO L274 CegarLoopResult]: For program point L448(lines 448 880) no Hoare annotation was computed. [2020-11-28 03:20:25,646 INFO L274 CegarLoopResult]: For program point L382(lines 382 880) no Hoare annotation was computed. [2020-11-28 03:20:25,646 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,646 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,646 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,646 INFO L274 CegarLoopResult]: For program point L251(lines 251 880) no Hoare annotation was computed. [2020-11-28 03:20:25,647 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-28 03:20:25,647 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-28 03:20:25,647 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-28 03:20:25,647 INFO L274 CegarLoopResult]: For program point L648(lines 648 880) no Hoare annotation was computed. [2020-11-28 03:20:25,647 INFO L274 CegarLoopResult]: For program point L516(lines 516 880) no Hoare annotation was computed. [2020-11-28 03:20:25,647 INFO L274 CegarLoopResult]: For program point L847(lines 847 880) no Hoare annotation was computed. [2020-11-28 03:20:25,647 INFO L274 CegarLoopResult]: For program point L781(lines 781 880) no Hoare annotation was computed. [2020-11-28 03:20:25,648 INFO L274 CegarLoopResult]: For program point L583(lines 583 880) no Hoare annotation was computed. [2020-11-28 03:20:25,648 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,648 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,648 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,648 INFO L274 CegarLoopResult]: For program point L716(lines 716 880) no Hoare annotation was computed. [2020-11-28 03:20:25,648 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-28 03:20:25,648 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-28 03:20:25,649 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-28 03:20:25,649 INFO L274 CegarLoopResult]: For program point L321(lines 321 880) no Hoare annotation was computed. [2020-11-28 03:20:25,649 INFO L274 CegarLoopResult]: For program point L454(lines 454 880) no Hoare annotation was computed. [2020-11-28 03:20:25,649 INFO L274 CegarLoopResult]: For program point L388(lines 388 880) no Hoare annotation was computed. [2020-11-28 03:20:25,649 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:20:25,649 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,649 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,650 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,650 INFO L274 CegarLoopResult]: For program point L257(lines 257 880) no Hoare annotation was computed. [2020-11-28 03:20:25,650 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-28 03:20:25,650 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-28 03:20:25,650 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-28 03:20:25,650 INFO L274 CegarLoopResult]: For program point L852(lines 852 880) no Hoare annotation was computed. [2020-11-28 03:20:25,650 INFO L274 CegarLoopResult]: For program point L654(lines 654 880) no Hoare annotation was computed. [2020-11-28 03:20:25,650 INFO L274 CegarLoopResult]: For program point L522(lines 522 880) no Hoare annotation was computed. [2020-11-28 03:20:25,651 INFO L274 CegarLoopResult]: For program point L787(lines 787 880) no Hoare annotation was computed. [2020-11-28 03:20:25,651 INFO L274 CegarLoopResult]: For program point L589(lines 589 880) no Hoare annotation was computed. [2020-11-28 03:20:25,651 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,651 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,651 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,651 INFO L274 CegarLoopResult]: For program point L722(lines 722 880) no Hoare annotation was computed. [2020-11-28 03:20:25,651 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-28 03:20:25,652 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-28 03:20:25,652 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-28 03:20:25,652 INFO L274 CegarLoopResult]: For program point L459(lines 459 880) no Hoare annotation was computed. [2020-11-28 03:20:25,652 INFO L274 CegarLoopResult]: For program point L327(lines 327 880) no Hoare annotation was computed. [2020-11-28 03:20:25,652 INFO L274 CegarLoopResult]: For program point L394(lines 394 880) no Hoare annotation was computed. [2020-11-28 03:20:25,652 INFO L274 CegarLoopResult]: For program point L262(lines 262 880) no Hoare annotation was computed. [2020-11-28 03:20:25,652 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,653 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,653 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,653 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-28 03:20:25,653 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-28 03:20:25,653 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-28 03:20:25,653 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:20:25,653 INFO L274 CegarLoopResult]: For program point L858(lines 858 880) no Hoare annotation was computed. [2020-11-28 03:20:25,654 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:20:25,654 INFO L274 CegarLoopResult]: For program point L660(lines 660 880) no Hoare annotation was computed. [2020-11-28 03:20:25,654 INFO L274 CegarLoopResult]: For program point L528(lines 528 880) no Hoare annotation was computed. [2020-11-28 03:20:25,654 INFO L274 CegarLoopResult]: For program point L793(lines 793 880) no Hoare annotation was computed. [2020-11-28 03:20:25,654 INFO L274 CegarLoopResult]: For program point L595(lines 595 880) no Hoare annotation was computed. [2020-11-28 03:20:25,654 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,654 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,655 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,655 INFO L274 CegarLoopResult]: For program point L728(lines 728 880) no Hoare annotation was computed. [2020-11-28 03:20:25,655 INFO L274 CegarLoopResult]: For program point L464(lines 464 880) no Hoare annotation was computed. [2020-11-28 03:20:25,655 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-28 03:20:25,655 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-28 03:20:25,655 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-28 03:20:25,655 INFO L274 CegarLoopResult]: For program point L333(lines 333 880) no Hoare annotation was computed. [2020-11-28 03:20:25,655 INFO L274 CegarLoopResult]: For program point L400(lines 400 880) no Hoare annotation was computed. [2020-11-28 03:20:25,656 INFO L274 CegarLoopResult]: For program point L268(lines 268 880) no Hoare annotation was computed. [2020-11-28 03:20:25,656 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,656 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,656 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,656 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-28 03:20:25,656 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-28 03:20:25,656 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-28 03:20:25,657 INFO L274 CegarLoopResult]: For program point L864(lines 864 880) no Hoare annotation was computed. [2020-11-28 03:20:25,657 INFO L274 CegarLoopResult]: For program point L666(lines 666 880) no Hoare annotation was computed. [2020-11-28 03:20:25,657 INFO L274 CegarLoopResult]: For program point L534(lines 534 880) no Hoare annotation was computed. [2020-11-28 03:20:25,657 INFO L274 CegarLoopResult]: For program point L799(lines 799 880) no Hoare annotation was computed. [2020-11-28 03:20:25,657 INFO L274 CegarLoopResult]: For program point L601(lines 601 880) no Hoare annotation was computed. [2020-11-28 03:20:25,657 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,657 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,658 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,658 INFO L274 CegarLoopResult]: For program point L734(lines 734 880) no Hoare annotation was computed. [2020-11-28 03:20:25,658 INFO L274 CegarLoopResult]: For program point L470(lines 470 880) no Hoare annotation was computed. [2020-11-28 03:20:25,658 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-28 03:20:25,658 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-28 03:20:25,658 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-28 03:20:25,658 INFO L274 CegarLoopResult]: For program point L339(lines 339 880) no Hoare annotation was computed. [2020-11-28 03:20:25,659 INFO L274 CegarLoopResult]: For program point L406(lines 406 880) no Hoare annotation was computed. [2020-11-28 03:20:25,659 INFO L274 CegarLoopResult]: For program point L274(lines 274 880) no Hoare annotation was computed. [2020-11-28 03:20:25,659 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,659 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,659 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,659 INFO L274 CegarLoopResult]: For program point L869(lines 869 880) no Hoare annotation was computed. [2020-11-28 03:20:25,659 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-28 03:20:25,659 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-28 03:20:25,660 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-28 03:20:25,660 INFO L274 CegarLoopResult]: For program point L672(lines 672 880) no Hoare annotation was computed. [2020-11-28 03:20:25,660 INFO L274 CegarLoopResult]: For program point L540(lines 540 880) no Hoare annotation was computed. [2020-11-28 03:20:25,660 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:20:25,660 INFO L274 CegarLoopResult]: For program point L805(lines 805 880) no Hoare annotation was computed. [2020-11-28 03:20:25,660 INFO L274 CegarLoopResult]: For program point L607(lines 607 880) no Hoare annotation was computed. [2020-11-28 03:20:25,660 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,661 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,661 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,661 INFO L274 CegarLoopResult]: For program point L740(lines 740 880) no Hoare annotation was computed. [2020-11-28 03:20:25,661 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-28 03:20:25,661 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-28 03:20:25,661 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-28 03:20:25,661 INFO L274 CegarLoopResult]: For program point L477(lines 477 880) no Hoare annotation was computed. [2020-11-28 03:20:25,662 INFO L274 CegarLoopResult]: For program point L345(lines 345 880) no Hoare annotation was computed. [2020-11-28 03:20:25,662 INFO L274 CegarLoopResult]: For program point L279(lines 279 880) no Hoare annotation was computed. [2020-11-28 03:20:25,662 INFO L274 CegarLoopResult]: For program point L412(lines 412 880) no Hoare annotation was computed. [2020-11-28 03:20:25,662 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,662 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,662 INFO L274 CegarLoopResult]: For program point L875(lines 875 880) no Hoare annotation was computed. [2020-11-28 03:20:25,662 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-28 03:20:25,662 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-28 03:20:25,663 INFO L274 CegarLoopResult]: For program point L678(lines 678 880) no Hoare annotation was computed. [2020-11-28 03:20:25,663 INFO L274 CegarLoopResult]: For program point L546(lines 546 880) no Hoare annotation was computed. [2020-11-28 03:20:25,663 INFO L274 CegarLoopResult]: For program point L811(lines 811 880) no Hoare annotation was computed. [2020-11-28 03:20:25,663 INFO L274 CegarLoopResult]: For program point L745(lines 745 880) no Hoare annotation was computed. [2020-11-28 03:20:25,663 INFO L274 CegarLoopResult]: For program point L613(lines 613 880) no Hoare annotation was computed. [2020-11-28 03:20:25,663 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,663 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,664 INFO L274 CegarLoopResult]: For program point L482(lines 482 880) no Hoare annotation was computed. [2020-11-28 03:20:25,664 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:20:25,664 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-28 03:20:25,664 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-28 03:20:25,664 INFO L274 CegarLoopResult]: For program point L351(lines 351 880) no Hoare annotation was computed. [2020-11-28 03:20:25,664 INFO L274 CegarLoopResult]: For program point L285(lines 285 880) no Hoare annotation was computed. [2020-11-28 03:20:25,664 INFO L274 CegarLoopResult]: For program point L418(lines 418 880) no Hoare annotation was computed. [2020-11-28 03:20:25,665 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,665 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,665 INFO L270 CegarLoopResult]: At program point L881(lines 30 882) the Hoare annotation is: (or (< 0 (+ ~a12~0 43)) (<= 10 ~a21~0) (<= ~a15~0 6) (<= ~a21~0 8)) [2020-11-28 03:20:25,665 INFO L274 CegarLoopResult]: For program point L551(lines 551 880) no Hoare annotation was computed. [2020-11-28 03:20:25,665 INFO L274 CegarLoopResult]: For program point L221(lines 221 880) no Hoare annotation was computed. [2020-11-28 03:20:25,666 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-28 03:20:25,666 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-28 03:20:25,666 INFO L274 CegarLoopResult]: For program point L684(lines 684 880) no Hoare annotation was computed. [2020-11-28 03:20:25,666 INFO L274 CegarLoopResult]: For program point L817(lines 817 880) no Hoare annotation was computed. [2020-11-28 03:20:25,666 INFO L274 CegarLoopResult]: For program point L751(lines 751 880) no Hoare annotation was computed. [2020-11-28 03:20:25,666 INFO L274 CegarLoopResult]: For program point L619(lines 619 880) no Hoare annotation was computed. [2020-11-28 03:20:25,666 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,667 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,667 INFO L277 CegarLoopResult]: At program point L884(lines 884 900) the Hoare annotation is: true [2020-11-28 03:20:25,667 INFO L274 CegarLoopResult]: For program point L488(lines 488 880) no Hoare annotation was computed. [2020-11-28 03:20:25,667 INFO L274 CegarLoopResult]: For program point L290(lines 290 880) no Hoare annotation was computed. [2020-11-28 03:20:25,667 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-28 03:20:25,667 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-28 03:20:25,667 INFO L274 CegarLoopResult]: For program point L687(lines 687 880) no Hoare annotation was computed. [2020-11-28 03:20:25,667 INFO L274 CegarLoopResult]: For program point L357(lines 357 880) no Hoare annotation was computed. [2020-11-28 03:20:25,668 INFO L274 CegarLoopResult]: For program point L424(lines 424 880) no Hoare annotation was computed. [2020-11-28 03:20:25,668 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,668 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,668 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:20:25,668 INFO L274 CegarLoopResult]: For program point L557(lines 557 880) no Hoare annotation was computed. [2020-11-28 03:20:25,668 INFO L274 CegarLoopResult]: For program point L227(lines 227 880) no Hoare annotation was computed. [2020-11-28 03:20:25,668 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-28 03:20:25,669 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-28 03:20:25,669 INFO L274 CegarLoopResult]: For program point L757(lines 757 880) no Hoare annotation was computed. [2020-11-28 03:20:25,669 INFO L274 CegarLoopResult]: For program point L625(lines 625 880) no Hoare annotation was computed. [2020-11-28 03:20:25,669 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,669 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,669 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-28 03:20:25,669 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,670 INFO L274 CegarLoopResult]: For program point L824(lines 824 880) no Hoare annotation was computed. [2020-11-28 03:20:25,670 INFO L270 CegarLoopResult]: At program point L890-2(lines 890 899) the Hoare annotation is: (or (< 0 (+ ~a12~0 43)) (<= 10 ~a21~0) (<= ~a15~0 6) (<= ~a21~0 8)) [2020-11-28 03:20:25,670 INFO L274 CegarLoopResult]: For program point L494(lines 494 880) no Hoare annotation was computed. [2020-11-28 03:20:25,670 INFO L274 CegarLoopResult]: For program point L296(lines 296 880) no Hoare annotation was computed. [2020-11-28 03:20:25,670 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-28 03:20:25,670 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-28 03:20:25,670 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-28 03:20:25,671 INFO L274 CegarLoopResult]: For program point L693(lines 693 880) no Hoare annotation was computed. [2020-11-28 03:20:25,671 INFO L274 CegarLoopResult]: For program point L363(lines 363 880) no Hoare annotation was computed. [2020-11-28 03:20:25,671 INFO L274 CegarLoopResult]: For program point L562(lines 562 880) no Hoare annotation was computed. [2020-11-28 03:20:25,671 INFO L274 CegarLoopResult]: For program point L430(lines 430 880) no Hoare annotation was computed. [2020-11-28 03:20:25,671 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,671 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,671 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:20:25,672 INFO L274 CegarLoopResult]: For program point L233(lines 233 880) no Hoare annotation was computed. [2020-11-28 03:20:25,672 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-28 03:20:25,672 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-28 03:20:25,672 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-28 03:20:25,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:20:25 BoogieIcfgContainer [2020-11-28 03:20:25,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:20:25,690 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:20:25,690 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:20:25,690 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:20:25,691 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:08" (3/4) ... [2020-11-28 03:20:25,694 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:20:25,727 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:20:25,728 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:20:25,730 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:20:25,732 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:20:25,916 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1ce67234-3b24-4f89-a098-c5d0211c2bda/bin/uautomizer/witness.graphml [2020-11-28 03:20:25,916 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:20:25,918 INFO L168 Benchmark]: Toolchain (without parser) took 20459.16 ms. Allocated memory was 98.6 MB in the beginning and 520.1 MB in the end (delta: 421.5 MB). Free memory was 66.5 MB in the beginning and 347.5 MB in the end (delta: -281.0 MB). Peak memory consumption was 139.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:25,918 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 75.5 MB. Free memory was 37.8 MB in the beginning and 37.7 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:20:25,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.36 ms. Allocated memory is still 98.6 MB. Free memory was 66.2 MB in the beginning and 54.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:25,919 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.64 ms. Allocated memory is still 98.6 MB. Free memory was 54.2 MB in the beginning and 44.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:25,920 INFO L168 Benchmark]: Boogie Preprocessor took 110.15 ms. Allocated memory is still 98.6 MB. Free memory was 44.8 MB in the beginning and 38.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:25,920 INFO L168 Benchmark]: RCFGBuilder took 1755.65 ms. Allocated memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: 31.5 MB). Free memory was 38.0 MB in the beginning and 69.5 MB in the end (delta: -31.5 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:25,921 INFO L168 Benchmark]: TraceAbstraction took 17493.26 ms. Allocated memory was 130.0 MB in the beginning and 520.1 MB in the end (delta: 390.1 MB). Free memory was 69.5 MB in the beginning and 366.4 MB in the end (delta: -296.9 MB). Peak memory consumption was 91.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:25,921 INFO L168 Benchmark]: Witness Printer took 226.35 ms. Allocated memory is still 520.1 MB. Free memory was 366.4 MB in the beginning and 347.5 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:25,924 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 75.5 MB. Free memory was 37.8 MB in the beginning and 37.7 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 750.36 ms. Allocated memory is still 98.6 MB. Free memory was 66.2 MB in the beginning and 54.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 115.64 ms. Allocated memory is still 98.6 MB. Free memory was 54.2 MB in the beginning and 44.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 110.15 ms. Allocated memory is still 98.6 MB. Free memory was 44.8 MB in the beginning and 38.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1755.65 ms. Allocated memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: 31.5 MB). Free memory was 38.0 MB in the beginning and 69.5 MB in the end (delta: -31.5 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 17493.26 ms. Allocated memory was 130.0 MB in the beginning and 520.1 MB in the end (delta: 390.1 MB). Free memory was 69.5 MB in the beginning and 366.4 MB in the end (delta: -296.9 MB). Peak memory consumption was 91.9 MB. Max. memory is 16.1 GB. * Witness Printer took 226.35 ms. Allocated memory is still 520.1 MB. Free memory was 366.4 MB in the beginning and 347.5 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((0 < a12 + 43 || 10 <= a21) || a15 <= 6) || a21 <= 8 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((0 < a12 + 43 || 10 <= a21) || a15 <= 6) || a21 <= 8 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.2s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 10.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1434 SDtfs, 1635 SDslu, 58 SDs, 0 SdLazy, 5244 SolverSat, 942 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1515 GetRequests, 1487 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2674occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 896 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 45 NumberOfFragments, 31 HoareAnnotationTreeSize, 3 FomulaSimplifications, 950 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 114 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 4172 NumberOfCodeBlocks, 4172 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 4158 ConstructedInterpolants, 0 QuantifiedInterpolants, 5046325 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2032 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 4501/5021 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...