./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label30.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_0ed2758a-ed90-4ca6-a06a-7a9621bd1d2a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0ed2758a-ed90-4ca6-a06a-7a9621bd1d2a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0ed2758a-ed90-4ca6-a06a-7a9621bd1d2a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0ed2758a-ed90-4ca6-a06a-7a9621bd1d2a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label30.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0ed2758a-ed90-4ca6-a06a-7a9621bd1d2a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0ed2758a-ed90-4ca6-a06a-7a9621bd1d2a/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 b4f9225f3d12aafc9efbfc03e25947e8fb9284d9 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:11:04,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:11:04,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:11:04,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:11:05,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:11:05,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:11:05,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:11:05,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:11:05,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:11:05,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:11:05,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:11:05,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:11:05,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:11:05,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:11:05,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:11:05,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:11:05,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:11:05,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:11:05,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:11:05,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:11:05,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:11:05,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:11:05,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:11:05,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:11:05,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:11:05,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:11:05,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:11:05,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:11:05,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:11:05,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:11:05,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:11:05,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:11:05,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:11:05,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:11:05,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:11:05,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:11:05,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:11:05,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:11:05,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:11:05,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:11:05,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:11:05,106 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0ed2758a-ed90-4ca6-a06a-7a9621bd1d2a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 22:11:05,145 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:11:05,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:11:05,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:11:05,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:11:05,147 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:11:05,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:11:05,147 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:11:05,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:11:05,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:11:05,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:11:05,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:11:05,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:11:05,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:11:05,149 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:11:05,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:11:05,149 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:11:05,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:11:05,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:11:05,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:11:05,150 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:11:05,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:11:05,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:11:05,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:11:05,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:11:05,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:11:05,152 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:11:05,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:11:05,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:11:05,153 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:11:05,153 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_0ed2758a-ed90-4ca6-a06a-7a9621bd1d2a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0ed2758a-ed90-4ca6-a06a-7a9621bd1d2a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4f9225f3d12aafc9efbfc03e25947e8fb9284d9 [2020-11-29 22:11:05,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:11:05,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:11:05,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:11:05,486 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:11:05,487 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:11:05,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0ed2758a-ed90-4ca6-a06a-7a9621bd1d2a/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label30.c [2020-11-29 22:11:05,564 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0ed2758a-ed90-4ca6-a06a-7a9621bd1d2a/bin/uautomizer/data/79768e0f7/646c089798914671874d69599193eb6d/FLAG0181c0451 [2020-11-29 22:11:06,207 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:11:06,207 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0ed2758a-ed90-4ca6-a06a-7a9621bd1d2a/sv-benchmarks/c/eca-rers2012/Problem02_label30.c [2020-11-29 22:11:06,228 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0ed2758a-ed90-4ca6-a06a-7a9621bd1d2a/bin/uautomizer/data/79768e0f7/646c089798914671874d69599193eb6d/FLAG0181c0451 [2020-11-29 22:11:06,458 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0ed2758a-ed90-4ca6-a06a-7a9621bd1d2a/bin/uautomizer/data/79768e0f7/646c089798914671874d69599193eb6d [2020-11-29 22:11:06,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:11:06,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:11:06,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:11:06,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:11:06,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:11:06,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:11:06" (1/1) ... [2020-11-29 22:11:06,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aed9511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:06, skipping insertion in model container [2020-11-29 22:11:06,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:11:06" (1/1) ... [2020-11-29 22:11:06,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:11:06,523 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:11:06,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:11:06,952 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:11:07,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:11:07,078 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:11:07,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:07 WrapperNode [2020-11-29 22:11:07,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:11:07,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:11:07,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:11:07,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:11:07,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:07" (1/1) ... [2020-11-29 22:11:07,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:07" (1/1) ... [2020-11-29 22:11:07,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:11:07,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:11:07,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:11:07,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:11:07,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:07" (1/1) ... [2020-11-29 22:11:07,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:07" (1/1) ... [2020-11-29 22:11:07,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:07" (1/1) ... [2020-11-29 22:11:07,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:07" (1/1) ... [2020-11-29 22:11:07,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:07" (1/1) ... [2020-11-29 22:11:07,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:07" (1/1) ... [2020-11-29 22:11:07,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:07" (1/1) ... [2020-11-29 22:11:07,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:11:07,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:11:07,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:11:07,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:11:07,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0ed2758a-ed90-4ca6-a06a-7a9621bd1d2a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:11:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:11:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:11:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:11:07,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:11:09,188 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:11:09,188 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 22:11:09,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:11:09 BoogieIcfgContainer [2020-11-29 22:11:09,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:11:09,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:11:09,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:11:09,201 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:11:09,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:11:06" (1/3) ... [2020-11-29 22:11:09,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3471a68f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:11:09, skipping insertion in model container [2020-11-29 22:11:09,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:07" (2/3) ... [2020-11-29 22:11:09,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3471a68f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:11:09, skipping insertion in model container [2020-11-29 22:11:09,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:11:09" (3/3) ... [2020-11-29 22:11:09,204 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label30.c [2020-11-29 22:11:09,215 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:11:09,221 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 22:11:09,232 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 22:11:09,273 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:11:09,273 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:11:09,273 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:11:09,273 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:11:09,273 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:11:09,273 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:11:09,274 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:11:09,274 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:11:09,293 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-11-29 22:11:09,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-11-29 22:11:09,308 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:11:09,308 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:11:09,309 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:11:09,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:11:09,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1456307141, now seen corresponding path program 1 times [2020-11-29 22:11:09,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:11:09,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040085391] [2020-11-29 22:11:09,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:11:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:09,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:11:09,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040085391] [2020-11-29 22:11:09,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:11:09,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:11:09,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144965481] [2020-11-29 22:11:09,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:11:09,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:11:09,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:11:09,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:11:09,918 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-11-29 22:11:11,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:11:11,270 INFO L93 Difference]: Finished difference Result 602 states and 1036 transitions. [2020-11-29 22:11:11,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:11:11,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2020-11-29 22:11:11,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:11:11,288 INFO L225 Difference]: With dead ends: 602 [2020-11-29 22:11:11,288 INFO L226 Difference]: Without dead ends: 310 [2020-11-29 22:11:11,292 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:11:11,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-11-29 22:11:11,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2020-11-29 22:11:11,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-11-29 22:11:11,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 444 transitions. [2020-11-29 22:11:11,349 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 444 transitions. Word has length 128 [2020-11-29 22:11:11,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:11:11,350 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 444 transitions. [2020-11-29 22:11:11,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:11:11,350 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 444 transitions. [2020-11-29 22:11:11,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-11-29 22:11:11,357 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:11:11,357 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:11:11,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 22:11:11,358 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:11:11,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:11:11,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1081663048, now seen corresponding path program 1 times [2020-11-29 22:11:11,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:11:11,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771859463] [2020-11-29 22:11:11,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:11:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:11,525 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:11:11,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771859463] [2020-11-29 22:11:11,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:11:11,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:11:11,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562346975] [2020-11-29 22:11:11,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:11:11,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:11:11,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:11:11,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:11:11,533 INFO L87 Difference]: Start difference. First operand 310 states and 444 transitions. Second operand 3 states. [2020-11-29 22:11:12,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:11:12,223 INFO L93 Difference]: Finished difference Result 902 states and 1298 transitions. [2020-11-29 22:11:12,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:11:12,224 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2020-11-29 22:11:12,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:11:12,229 INFO L225 Difference]: With dead ends: 902 [2020-11-29 22:11:12,230 INFO L226 Difference]: Without dead ends: 594 [2020-11-29 22:11:12,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:11:12,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-11-29 22:11:12,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 592. [2020-11-29 22:11:12,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-11-29 22:11:12,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 752 transitions. [2020-11-29 22:11:12,289 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 752 transitions. Word has length 146 [2020-11-29 22:11:12,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:11:12,289 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 752 transitions. [2020-11-29 22:11:12,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:11:12,290 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 752 transitions. [2020-11-29 22:11:12,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-11-29 22:11:12,302 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:11:12,303 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:11:12,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 22:11:12,303 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:11:12,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:11:12,303 INFO L82 PathProgramCache]: Analyzing trace with hash -334772056, now seen corresponding path program 1 times [2020-11-29 22:11:12,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:11:12,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911918635] [2020-11-29 22:11:12,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:11:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:12,391 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:11:12,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911918635] [2020-11-29 22:11:12,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:11:12,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:11:12,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564873206] [2020-11-29 22:11:12,392 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:11:12,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:11:12,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:11:12,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:11:12,399 INFO L87 Difference]: Start difference. First operand 592 states and 752 transitions. Second operand 3 states. [2020-11-29 22:11:12,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:11:12,767 INFO L93 Difference]: Finished difference Result 1172 states and 1489 transitions. [2020-11-29 22:11:12,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:11:12,768 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2020-11-29 22:11:12,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:11:12,772 INFO L225 Difference]: With dead ends: 1172 [2020-11-29 22:11:12,772 INFO L226 Difference]: Without dead ends: 582 [2020-11-29 22:11:12,773 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:11:12,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2020-11-29 22:11:12,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2020-11-29 22:11:12,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-11-29 22:11:12,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 699 transitions. [2020-11-29 22:11:12,807 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 699 transitions. Word has length 147 [2020-11-29 22:11:12,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:11:12,807 INFO L481 AbstractCegarLoop]: Abstraction has 582 states and 699 transitions. [2020-11-29 22:11:12,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:11:12,808 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 699 transitions. [2020-11-29 22:11:12,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-11-29 22:11:12,812 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:11:12,812 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:11:12,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 22:11:12,813 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:11:12,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:11:12,814 INFO L82 PathProgramCache]: Analyzing trace with hash -2078520171, now seen corresponding path program 1 times [2020-11-29 22:11:12,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:11:12,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764155113] [2020-11-29 22:11:12,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:11:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:12,942 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:11:12,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764155113] [2020-11-29 22:11:12,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:11:12,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:11:12,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297513998] [2020-11-29 22:11:12,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:11:12,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:11:12,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:11:12,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:11:12,946 INFO L87 Difference]: Start difference. First operand 582 states and 699 transitions. Second operand 3 states. [2020-11-29 22:11:13,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:11:13,563 INFO L93 Difference]: Finished difference Result 1302 states and 1571 transitions. [2020-11-29 22:11:13,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:11:13,564 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2020-11-29 22:11:13,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:11:13,569 INFO L225 Difference]: With dead ends: 1302 [2020-11-29 22:11:13,569 INFO L226 Difference]: Without dead ends: 722 [2020-11-29 22:11:13,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:11:13,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2020-11-29 22:11:13,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2020-11-29 22:11:13,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2020-11-29 22:11:13,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 854 transitions. [2020-11-29 22:11:13,596 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 854 transitions. Word has length 151 [2020-11-29 22:11:13,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:11:13,597 INFO L481 AbstractCegarLoop]: Abstraction has 722 states and 854 transitions. [2020-11-29 22:11:13,597 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:11:13,597 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 854 transitions. [2020-11-29 22:11:13,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-29 22:11:13,600 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:11:13,600 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:11:13,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 22:11:13,600 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:11:13,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:11:13,601 INFO L82 PathProgramCache]: Analyzing trace with hash 649958539, now seen corresponding path program 1 times [2020-11-29 22:11:13,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:11:13,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751592271] [2020-11-29 22:11:13,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:11:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:13,967 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:11:13,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751592271] [2020-11-29 22:11:13,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765465819] [2020-11-29 22:11:13,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0ed2758a-ed90-4ca6-a06a-7a9621bd1d2a/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:11:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:14,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 22:11:14,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:11:14,265 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 22:11:14,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 22:11:14,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 22:11:14,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888615863] [2020-11-29 22:11:14,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:11:14,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:11:14,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:11:14,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 22:11:14,268 INFO L87 Difference]: Start difference. First operand 722 states and 854 transitions. Second operand 3 states. [2020-11-29 22:11:15,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:11:15,037 INFO L93 Difference]: Finished difference Result 1723 states and 2063 transitions. [2020-11-29 22:11:15,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:11:15,038 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-11-29 22:11:15,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:11:15,044 INFO L225 Difference]: With dead ends: 1723 [2020-11-29 22:11:15,044 INFO L226 Difference]: Without dead ends: 861 [2020-11-29 22:11:15,045 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 22:11:15,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-11-29 22:11:15,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 861. [2020-11-29 22:11:15,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-11-29 22:11:15,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 946 transitions. [2020-11-29 22:11:15,071 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 946 transitions. Word has length 155 [2020-11-29 22:11:15,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:11:15,072 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 946 transitions. [2020-11-29 22:11:15,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:11:15,072 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 946 transitions. [2020-11-29 22:11:15,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-11-29 22:11:15,075 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:11:15,075 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:11:15,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:11:15,291 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:11:15,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:11:15,292 INFO L82 PathProgramCache]: Analyzing trace with hash 625012828, now seen corresponding path program 1 times [2020-11-29 22:11:15,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:11:15,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126071009] [2020-11-29 22:11:15,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:11:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:15,454 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:11:15,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126071009] [2020-11-29 22:11:15,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008037342] [2020-11-29 22:11:15,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0ed2758a-ed90-4ca6-a06a-7a9621bd1d2a/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:11:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:15,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 22:11:15,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:11:15,654 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-29 22:11:15,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 22:11:15,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-11-29 22:11:15,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950594071] [2020-11-29 22:11:15,660 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:11:15,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:11:15,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:11:15,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 22:11:15,661 INFO L87 Difference]: Start difference. First operand 861 states and 946 transitions. Second operand 3 states. [2020-11-29 22:11:16,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:11:16,242 INFO L93 Difference]: Finished difference Result 2139 states and 2359 transitions. [2020-11-29 22:11:16,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:11:16,242 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2020-11-29 22:11:16,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:11:16,250 INFO L225 Difference]: With dead ends: 2139 [2020-11-29 22:11:16,250 INFO L226 Difference]: Without dead ends: 1279 [2020-11-29 22:11:16,254 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 22:11:16,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2020-11-29 22:11:16,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 999. [2020-11-29 22:11:16,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2020-11-29 22:11:16,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1116 transitions. [2020-11-29 22:11:16,291 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1116 transitions. Word has length 161 [2020-11-29 22:11:16,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:11:16,301 INFO L481 AbstractCegarLoop]: Abstraction has 999 states and 1116 transitions. [2020-11-29 22:11:16,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:11:16,301 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1116 transitions. [2020-11-29 22:11:16,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-11-29 22:11:16,305 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:11:16,305 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:11:16,527 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:11:16,527 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:11:16,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:11:16,528 INFO L82 PathProgramCache]: Analyzing trace with hash -654171505, now seen corresponding path program 1 times [2020-11-29 22:11:16,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:11:16,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664917008] [2020-11-29 22:11:16,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:11:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:16,669 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 87 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-11-29 22:11:16,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664917008] [2020-11-29 22:11:16,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224675497] [2020-11-29 22:11:16,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0ed2758a-ed90-4ca6-a06a-7a9621bd1d2a/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:11:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:16,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 22:11:16,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:11:16,898 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-29 22:11:16,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 22:11:16,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 22:11:16,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370213610] [2020-11-29 22:11:16,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:11:16,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:11:16,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:11:16,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 22:11:16,901 INFO L87 Difference]: Start difference. First operand 999 states and 1116 transitions. Second operand 3 states. [2020-11-29 22:11:17,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:11:17,507 INFO L93 Difference]: Finished difference Result 2276 states and 2562 transitions. [2020-11-29 22:11:17,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:11:17,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2020-11-29 22:11:17,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:11:17,514 INFO L225 Difference]: With dead ends: 2276 [2020-11-29 22:11:17,514 INFO L226 Difference]: Without dead ends: 1279 [2020-11-29 22:11:17,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 22:11:17,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2020-11-29 22:11:17,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1277. [2020-11-29 22:11:17,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1277 states. [2020-11-29 22:11:17,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1423 transitions. [2020-11-29 22:11:17,545 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1423 transitions. Word has length 204 [2020-11-29 22:11:17,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:11:17,546 INFO L481 AbstractCegarLoop]: Abstraction has 1277 states and 1423 transitions. [2020-11-29 22:11:17,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:11:17,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1423 transitions. [2020-11-29 22:11:17,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-11-29 22:11:17,551 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:11:17,551 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:11:17,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:11:17,767 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:11:17,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:11:17,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1215586111, now seen corresponding path program 1 times [2020-11-29 22:11:17,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:11:17,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335032948] [2020-11-29 22:11:17,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:11:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:17,881 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 22:11:17,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335032948] [2020-11-29 22:11:17,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:11:17,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:11:17,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386843308] [2020-11-29 22:11:17,887 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:11:17,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:11:17,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:11:17,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:11:17,889 INFO L87 Difference]: Start difference. First operand 1277 states and 1423 transitions. Second operand 3 states. [2020-11-29 22:11:18,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:11:18,420 INFO L93 Difference]: Finished difference Result 3110 states and 3438 transitions. [2020-11-29 22:11:18,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:11:18,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2020-11-29 22:11:18,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:11:18,430 INFO L225 Difference]: With dead ends: 3110 [2020-11-29 22:11:18,430 INFO L226 Difference]: Without dead ends: 1835 [2020-11-29 22:11:18,433 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:11:18,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1835 states. [2020-11-29 22:11:18,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1835 to 1275. [2020-11-29 22:11:18,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1275 states. [2020-11-29 22:11:18,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1419 transitions. [2020-11-29 22:11:18,473 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 1419 transitions. Word has length 226 [2020-11-29 22:11:18,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:11:18,474 INFO L481 AbstractCegarLoop]: Abstraction has 1275 states and 1419 transitions. [2020-11-29 22:11:18,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:11:18,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1419 transitions. [2020-11-29 22:11:18,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-11-29 22:11:18,479 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:11:18,479 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:11:18,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 22:11:18,479 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:11:18,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:11:18,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1222597132, now seen corresponding path program 1 times [2020-11-29 22:11:18,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:11:18,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675343919] [2020-11-29 22:11:18,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:11:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:18,841 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:11:18,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675343919] [2020-11-29 22:11:18,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879860867] [2020-11-29 22:11:18,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0ed2758a-ed90-4ca6-a06a-7a9621bd1d2a/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:11:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:18,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 22:11:18,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:11:19,043 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-29 22:11:19,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 22:11:19,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 22:11:19,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914054577] [2020-11-29 22:11:19,044 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:11:19,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:11:19,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:11:19,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 22:11:19,046 INFO L87 Difference]: Start difference. First operand 1275 states and 1419 transitions. Second operand 3 states. [2020-11-29 22:11:19,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:11:19,693 INFO L93 Difference]: Finished difference Result 2547 states and 2836 transitions. [2020-11-29 22:11:19,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:11:19,693 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2020-11-29 22:11:19,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:11:19,693 INFO L225 Difference]: With dead ends: 2547 [2020-11-29 22:11:19,693 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 22:11:19,696 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 22:11:19,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 22:11:19,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 22:11:19,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 22:11:19,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 22:11:19,697 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2020-11-29 22:11:19,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:11:19,697 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:11:19,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:11:19,699 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 22:11:19,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 22:11:19,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:11:19,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 22:11:20,065 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2020-11-29 22:11:20,164 INFO L274 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,164 INFO L274 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,165 INFO L274 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,165 INFO L274 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-11-29 22:11:20,165 INFO L274 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-11-29 22:11:20,165 INFO L274 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-11-29 22:11:20,165 INFO L274 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-11-29 22:11:20,165 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-11-29 22:11:20,165 INFO L274 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-11-29 22:11:20,165 INFO L274 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-11-29 22:11:20,165 INFO L274 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-11-29 22:11:20,165 INFO L274 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,165 INFO L274 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,165 INFO L274 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,166 INFO L274 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-11-29 22:11:20,166 INFO L274 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-11-29 22:11:20,166 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-11-29 22:11:20,166 INFO L274 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-11-29 22:11:20,166 INFO L274 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-11-29 22:11:20,166 INFO L274 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,166 INFO L274 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,166 INFO L274 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,166 INFO L274 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-11-29 22:11:20,166 INFO L274 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-11-29 22:11:20,166 INFO L274 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-11-29 22:11:20,166 INFO L274 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-11-29 22:11:20,166 INFO L274 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-11-29 22:11:20,167 INFO L274 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-11-29 22:11:20,167 INFO L274 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-11-29 22:11:20,167 INFO L274 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-11-29 22:11:20,167 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-11-29 22:11:20,167 INFO L274 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-11-29 22:11:20,167 INFO L274 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,167 INFO L274 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,167 INFO L274 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,167 INFO L274 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-11-29 22:11:20,167 INFO L274 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-11-29 22:11:20,167 INFO L274 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-11-29 22:11:20,167 INFO L274 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-11-29 22:11:20,167 INFO L274 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-11-29 22:11:20,168 INFO L274 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-11-29 22:11:20,168 INFO L274 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-11-29 22:11:20,168 INFO L274 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,168 INFO L274 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,170 INFO L274 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,170 INFO L274 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-11-29 22:11:20,170 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-11-29 22:11:20,170 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-11-29 22:11:20,171 INFO L274 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-11-29 22:11:20,171 INFO L274 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-11-29 22:11:20,171 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-11-29 22:11:20,171 INFO L274 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-11-29 22:11:20,171 INFO L274 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,171 INFO L274 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,172 INFO L274 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,172 INFO L274 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-11-29 22:11:20,172 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-11-29 22:11:20,172 INFO L274 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-11-29 22:11:20,172 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-11-29 22:11:20,172 INFO L274 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-11-29 22:11:20,172 INFO L274 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,173 INFO L274 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,173 INFO L274 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,173 INFO L274 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-11-29 22:11:20,173 INFO L274 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-11-29 22:11:20,173 INFO L274 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-11-29 22:11:20,173 INFO L274 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-11-29 22:11:20,174 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-11-29 22:11:20,174 INFO L274 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-11-29 22:11:20,174 INFO L274 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-11-29 22:11:20,174 INFO L274 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-11-29 22:11:20,174 INFO L274 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,174 INFO L274 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,174 INFO L274 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,174 INFO L274 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-11-29 22:11:20,175 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 22:11:20,175 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-29 22:11:20,175 INFO L274 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-11-29 22:11:20,175 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-11-29 22:11:20,175 INFO L274 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-11-29 22:11:20,175 INFO L274 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-11-29 22:11:20,175 INFO L274 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-11-29 22:11:20,175 INFO L274 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-11-29 22:11:20,176 INFO L274 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,176 INFO L274 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,176 INFO L274 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,176 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-29 22:11:20,176 INFO L274 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-11-29 22:11:20,176 INFO L274 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-11-29 22:11:20,176 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-11-29 22:11:20,176 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-29 22:11:20,177 INFO L274 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-11-29 22:11:20,177 INFO L274 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-11-29 22:11:20,177 INFO L274 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-11-29 22:11:20,177 INFO L274 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-11-29 22:11:20,177 INFO L274 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,177 INFO L274 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,177 INFO L274 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,177 INFO L274 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-11-29 22:11:20,178 INFO L274 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-11-29 22:11:20,178 INFO L274 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-11-29 22:11:20,178 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-11-29 22:11:20,178 INFO L274 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-11-29 22:11:20,178 INFO L274 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-11-29 22:11:20,178 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 22:11:20,178 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 22:11:20,178 INFO L274 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,179 INFO L274 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,179 INFO L274 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,179 INFO L274 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-11-29 22:11:20,179 INFO L274 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-11-29 22:11:20,179 INFO L274 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-11-29 22:11:20,179 INFO L274 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-11-29 22:11:20,179 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-11-29 22:11:20,179 INFO L274 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-11-29 22:11:20,180 INFO L274 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-11-29 22:11:20,180 INFO L274 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-11-29 22:11:20,180 INFO L274 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,180 INFO L274 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,180 INFO L274 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,180 INFO L274 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-11-29 22:11:20,181 INFO L274 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-11-29 22:11:20,181 INFO L274 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-11-29 22:11:20,181 INFO L274 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-11-29 22:11:20,181 INFO L274 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-11-29 22:11:20,181 INFO L274 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,182 INFO L274 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,182 INFO L274 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,182 INFO L274 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-11-29 22:11:20,182 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-11-29 22:11:20,182 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-11-29 22:11:20,182 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-11-29 22:11:20,182 INFO L274 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-11-29 22:11:20,182 INFO L274 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-11-29 22:11:20,183 INFO L274 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-11-29 22:11:20,183 INFO L274 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-11-29 22:11:20,183 INFO L274 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-11-29 22:11:20,183 INFO L274 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-11-29 22:11:20,183 INFO L274 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-11-29 22:11:20,183 INFO L274 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,183 INFO L274 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,183 INFO L274 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-11-29 22:11:20,184 INFO L274 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-11-29 22:11:20,184 INFO L274 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-11-29 22:11:20,184 INFO L274 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-11-29 22:11:20,184 INFO L274 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-11-29 22:11:20,184 INFO L274 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-11-29 22:11:20,184 INFO L274 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-11-29 22:11:20,184 INFO L274 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-11-29 22:11:20,184 INFO L274 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-11-29 22:11:20,185 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 22:11:20,185 INFO L270 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a28~0 7)) (.cse3 (<= 8 ~a17~0)) (.cse4 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 8)) (.cse5 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse2) (and .cse3 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and (<= 9 ~a28~0) .cse2 .cse5))) [2020-11-29 22:11:20,185 INFO L274 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,185 INFO L274 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,185 INFO L274 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-11-29 22:11:20,186 INFO L274 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-11-29 22:11:20,186 INFO L274 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-11-29 22:11:20,186 INFO L274 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-11-29 22:11:20,186 INFO L274 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-11-29 22:11:20,186 INFO L274 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-11-29 22:11:20,186 INFO L277 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-11-29 22:11:20,186 INFO L274 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,186 INFO L274 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,187 INFO L274 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-11-29 22:11:20,187 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-29 22:11:20,187 INFO L274 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-11-29 22:11:20,187 INFO L274 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-11-29 22:11:20,187 INFO L274 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-11-29 22:11:20,187 INFO L274 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-11-29 22:11:20,187 INFO L274 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-11-29 22:11:20,187 INFO L274 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-11-29 22:11:20,188 INFO L274 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-11-29 22:11:20,188 INFO L274 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,188 INFO L274 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,188 INFO L274 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-11-29 22:11:20,188 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-11-29 22:11:20,188 INFO L274 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-11-29 22:11:20,188 INFO L274 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-11-29 22:11:20,188 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 22:11:20,189 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-29 22:11:20,189 INFO L274 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-11-29 22:11:20,190 INFO L270 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a28~0 7)) (.cse3 (<= 8 ~a17~0)) (.cse4 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 8)) (.cse5 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse2) (and .cse3 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and (<= 9 ~a28~0) .cse2 .cse5))) [2020-11-29 22:11:20,190 INFO L274 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,191 INFO L274 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,191 INFO L274 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-11-29 22:11:20,191 INFO L274 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-11-29 22:11:20,191 INFO L274 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-11-29 22:11:20,191 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-29 22:11:20,191 INFO L274 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-11-29 22:11:20,191 INFO L274 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,191 INFO L274 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,192 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-29 22:11:20,192 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-11-29 22:11:20,192 INFO L274 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-11-29 22:11:20,192 INFO L274 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-11-29 22:11:20,192 INFO L274 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-11-29 22:11:20,192 INFO L274 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-11-29 22:11:20,192 INFO L274 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-11-29 22:11:20,192 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-29 22:11:20,193 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-11-29 22:11:20,193 INFO L274 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,193 INFO L274 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,193 INFO L274 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-11-29 22:11:20,193 INFO L274 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,193 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 22:11:20,193 INFO L274 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-11-29 22:11:20,193 INFO L274 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-11-29 22:11:20,194 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-11-29 22:11:20,194 INFO L274 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-11-29 22:11:20,194 INFO L274 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-11-29 22:11:20,194 INFO L274 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-11-29 22:11:20,194 INFO L274 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,194 INFO L274 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,194 INFO L274 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,194 INFO L274 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-11-29 22:11:20,194 INFO L274 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-11-29 22:11:20,195 INFO L274 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-11-29 22:11:20,195 INFO L274 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-11-29 22:11:20,195 INFO L274 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-11-29 22:11:20,195 INFO L274 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,195 INFO L274 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,195 INFO L274 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:11:20,195 INFO L274 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-11-29 22:11:20,195 INFO L274 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-11-29 22:11:20,196 INFO L274 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-11-29 22:11:20,196 INFO L274 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-11-29 22:11:20,196 INFO L274 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-11-29 22:11:20,196 INFO L274 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-11-29 22:11:20,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:11:20 BoogieIcfgContainer [2020-11-29 22:11:20,230 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:11:20,230 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:11:20,230 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:11:20,231 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:11:20,231 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:11:09" (3/4) ... [2020-11-29 22:11:20,234 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 22:11:20,264 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 22:11:20,266 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 22:11:20,267 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:11:20,268 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:11:20,441 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0ed2758a-ed90-4ca6-a06a-7a9621bd1d2a/bin/uautomizer/witness.graphml [2020-11-29 22:11:20,441 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:11:20,442 INFO L168 Benchmark]: Toolchain (without parser) took 13979.45 ms. Allocated memory was 94.4 MB in the beginning and 281.0 MB in the end (delta: 186.6 MB). Free memory was 63.0 MB in the beginning and 124.1 MB in the end (delta: -61.1 MB). Peak memory consumption was 124.8 MB. Max. memory is 16.1 GB. [2020-11-29 22:11:20,443 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory is still 53.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:11:20,443 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.04 ms. Allocated memory is still 94.4 MB. Free memory was 63.0 MB in the beginning and 55.1 MB in the end (delta: 7.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 22:11:20,444 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.71 ms. Allocated memory is still 94.4 MB. Free memory was 55.1 MB in the beginning and 49.6 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:11:20,444 INFO L168 Benchmark]: Boogie Preprocessor took 131.39 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 49.6 MB in the beginning and 86.0 MB in the end (delta: -36.4 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2020-11-29 22:11:20,444 INFO L168 Benchmark]: RCFGBuilder took 1880.98 ms. Allocated memory is still 113.2 MB. Free memory was 86.0 MB in the beginning and 82.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 55.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:11:20,445 INFO L168 Benchmark]: TraceAbstraction took 11034.67 ms. Allocated memory was 113.2 MB in the beginning and 281.0 MB in the end (delta: 167.8 MB). Free memory was 82.3 MB in the beginning and 138.8 MB in the end (delta: -56.5 MB). Peak memory consumption was 111.0 MB. Max. memory is 16.1 GB. [2020-11-29 22:11:20,445 INFO L168 Benchmark]: Witness Printer took 210.83 ms. Allocated memory is still 281.0 MB. Free memory was 138.8 MB in the beginning and 124.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 22:11:20,447 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory is still 53.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 615.04 ms. Allocated memory is still 94.4 MB. Free memory was 63.0 MB in the beginning and 55.1 MB in the end (delta: 7.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.71 ms. Allocated memory is still 94.4 MB. Free memory was 55.1 MB in the beginning and 49.6 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 131.39 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 49.6 MB in the beginning and 86.0 MB in the end (delta: -36.4 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1880.98 ms. Allocated memory is still 113.2 MB. Free memory was 86.0 MB in the beginning and 82.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 55.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11034.67 ms. Allocated memory was 113.2 MB in the beginning and 281.0 MB in the end (delta: 167.8 MB). Free memory was 82.3 MB in the beginning and 138.8 MB in the end (delta: -56.5 MB). Peak memory consumption was 111.0 MB. Max. memory is 16.1 GB. * Witness Printer took 210.83 ms. Allocated memory is still 281.0 MB. Free memory was 138.8 MB in the beginning and 124.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((a19 == 1 && a28 <= 7) && a17 <= 8) || (((a19 == 1 && 8 <= a17) && !(a11 == 1)) && a17 <= 8)) || ((8 <= a17 && a28 <= 7) && a17 <= 8)) || (((8 <= a17 && !(a11 == 1)) && a17 <= 8) && a28 <= 10)) || ((9 <= a28 && a17 <= 8) && a28 <= 10) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((a19 == 1 && a28 <= 7) && a17 <= 8) || (((a19 == 1 && 8 <= a17) && !(a11 == 1)) && a17 <= 8)) || ((8 <= a17 && a28 <= 7) && a17 <= 8)) || (((8 <= a17 && !(a11 == 1)) && a17 <= 8) && a28 <= 10)) || ((9 <= a28 && a17 <= 8) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.6s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 748 SDtfs, 959 SDslu, 80 SDs, 0 SdLazy, 2952 SolverSat, 517 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 770 GetRequests, 749 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1277occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 844 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 25 NumberOfFragments, 119 HoareAnnotationTreeSize, 3 FomulaSimplifications, 410 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 68 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2290 NumberOfCodeBlocks, 2290 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2277 ConstructedInterpolants, 0 QuantifiedInterpolants, 1522836 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1348 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 848/938 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...