./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label52.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_2b84c09f-9d7c-4a44-855a-f0d0e940d4c3/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2b84c09f-9d7c-4a44-855a-f0d0e940d4c3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2b84c09f-9d7c-4a44-855a-f0d0e940d4c3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2b84c09f-9d7c-4a44-855a-f0d0e940d4c3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label52.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2b84c09f-9d7c-4a44-855a-f0d0e940d4c3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2b84c09f-9d7c-4a44-855a-f0d0e940d4c3/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 2a6f9dd10b9200c61377ed7a907ef50ee4969a78 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:19:46,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:19:46,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:19:46,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:19:46,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:19:46,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:19:46,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:19:46,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:19:46,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:19:46,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:19:46,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:19:46,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:19:46,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:19:46,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:19:46,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:19:46,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:19:46,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:19:46,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:19:46,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:19:46,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:19:46,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:19:46,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:19:46,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:19:46,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:19:46,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:19:46,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:19:46,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:19:46,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:19:46,268 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:19:46,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:19:46,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:19:46,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:19:46,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:19:46,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:19:46,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:19:46,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:19:46,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:19:46,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:19:46,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:19:46,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:19:46,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:19:46,285 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2b84c09f-9d7c-4a44-855a-f0d0e940d4c3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:19:46,337 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:19:46,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:19:46,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:19:46,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:19:46,341 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:19:46,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:19:46,342 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:19:46,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:19:46,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:19:46,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:19:46,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:19:46,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:19:46,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:19:46,345 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:19:46,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:19:46,346 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:19:46,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:19:46,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:19:46,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:19:46,347 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:19:46,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:19:46,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:19:46,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:19:46,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:19:46,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:19:46,348 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:19:46,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:19:46,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:19:46,349 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:19:46,349 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_2b84c09f-9d7c-4a44-855a-f0d0e940d4c3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2b84c09f-9d7c-4a44-855a-f0d0e940d4c3/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a6f9dd10b9200c61377ed7a907ef50ee4969a78 [2020-11-28 03:19:46,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:19:46,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:19:46,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:19:46,672 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:19:46,674 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:19:46,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2b84c09f-9d7c-4a44-855a-f0d0e940d4c3/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label52.c [2020-11-28 03:19:46,782 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b84c09f-9d7c-4a44-855a-f0d0e940d4c3/bin/uautomizer/data/8de8d48a8/0d1c9e994ca9400dbfa163a9b78ae1af/FLAG8fa461ea7 [2020-11-28 03:19:47,540 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:19:47,541 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2b84c09f-9d7c-4a44-855a-f0d0e940d4c3/sv-benchmarks/c/eca-rers2012/Problem01_label52.c [2020-11-28 03:19:47,560 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b84c09f-9d7c-4a44-855a-f0d0e940d4c3/bin/uautomizer/data/8de8d48a8/0d1c9e994ca9400dbfa163a9b78ae1af/FLAG8fa461ea7 [2020-11-28 03:19:47,743 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2b84c09f-9d7c-4a44-855a-f0d0e940d4c3/bin/uautomizer/data/8de8d48a8/0d1c9e994ca9400dbfa163a9b78ae1af [2020-11-28 03:19:47,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:19:47,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:19:47,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:19:47,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:19:47,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:19:47,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:47" (1/1) ... [2020-11-28 03:19:47,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66587318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47, skipping insertion in model container [2020-11-28 03:19:47,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:47" (1/1) ... [2020-11-28 03:19:47,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:19:47,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:19:48,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:19:48,294 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:19:48,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:19:48,501 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:19:48,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:48 WrapperNode [2020-11-28 03:19:48,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:19:48,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:19:48,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:19:48,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:19:48,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:48" (1/1) ... [2020-11-28 03:19:48,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:48" (1/1) ... [2020-11-28 03:19:48,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:19:48,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:19:48,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:19:48,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:19:48,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:48" (1/1) ... [2020-11-28 03:19:48,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:48" (1/1) ... [2020-11-28 03:19:48,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:48" (1/1) ... [2020-11-28 03:19:48,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:48" (1/1) ... [2020-11-28 03:19:48,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:48" (1/1) ... [2020-11-28 03:19:48,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:48" (1/1) ... [2020-11-28 03:19:48,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:48" (1/1) ... [2020-11-28 03:19:48,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:19:48,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:19:48,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:19:48,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:19:48,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b84c09f-9d7c-4a44-855a-f0d0e940d4c3/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:19:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:19:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:19:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:19:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:19:50,503 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:19:50,504 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:19:50,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:50 BoogieIcfgContainer [2020-11-28 03:19:50,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:19:50,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:19:50,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:19:50,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:19:50,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:19:47" (1/3) ... [2020-11-28 03:19:50,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2da495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:19:50, skipping insertion in model container [2020-11-28 03:19:50,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:48" (2/3) ... [2020-11-28 03:19:50,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2da495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:19:50, skipping insertion in model container [2020-11-28 03:19:50,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:50" (3/3) ... [2020-11-28 03:19:50,516 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label52.c [2020-11-28 03:19:50,529 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:19:50,535 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:19:50,550 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:19:50,580 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:19:50,580 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:19:50,581 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:19:50,581 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:19:50,581 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:19:50,581 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:19:50,581 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:19:50,582 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:19:50,603 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-11-28 03:19:50,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-11-28 03:19:50,618 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:50,619 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] [2020-11-28 03:19:50,620 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:50,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:50,627 INFO L82 PathProgramCache]: Analyzing trace with hash 2069223047, now seen corresponding path program 1 times [2020-11-28 03:19:50,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:50,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914281324] [2020-11-28 03:19:50,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:51,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:51,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914281324] [2020-11-28 03:19:51,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:51,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:51,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930339304] [2020-11-28 03:19:51,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:51,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:51,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:51,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:51,364 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-11-28 03:19:52,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:52,832 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions. [2020-11-28 03:19:52,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:52,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-11-28 03:19:52,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:52,862 INFO L225 Difference]: With dead ends: 529 [2020-11-28 03:19:52,862 INFO L226 Difference]: Without dead ends: 266 [2020-11-28 03:19:52,874 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:52,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-11-28 03:19:52,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-11-28 03:19:52,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-11-28 03:19:52,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2020-11-28 03:19:52,950 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 126 [2020-11-28 03:19:52,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:52,951 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2020-11-28 03:19:52,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:52,952 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2020-11-28 03:19:52,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-11-28 03:19:52,956 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:52,956 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:52,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:19:52,957 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:52,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:52,958 INFO L82 PathProgramCache]: Analyzing trace with hash 964012897, now seen corresponding path program 1 times [2020-11-28 03:19:52,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:52,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98212608] [2020-11-28 03:19:52,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:53,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:53,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98212608] [2020-11-28 03:19:53,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:53,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:53,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921932008] [2020-11-28 03:19:53,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:53,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:53,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:53,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:53,113 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 3 states. [2020-11-28 03:19:53,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:53,940 INFO L93 Difference]: Finished difference Result 794 states and 1136 transitions. [2020-11-28 03:19:53,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:53,941 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2020-11-28 03:19:53,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:53,946 INFO L225 Difference]: With dead ends: 794 [2020-11-28 03:19:53,946 INFO L226 Difference]: Without dead ends: 530 [2020-11-28 03:19:53,948 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:53,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2020-11-28 03:19:54,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 528. [2020-11-28 03:19:54,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-11-28 03:19:54,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 721 transitions. [2020-11-28 03:19:54,025 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 721 transitions. Word has length 131 [2020-11-28 03:19:54,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:54,025 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 721 transitions. [2020-11-28 03:19:54,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:54,026 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 721 transitions. [2020-11-28 03:19:54,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-11-28 03:19:54,032 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:54,032 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:54,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:19:54,033 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:54,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:54,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1458965079, now seen corresponding path program 1 times [2020-11-28 03:19:54,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:54,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93797767] [2020-11-28 03:19:54,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:54,163 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:54,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93797767] [2020-11-28 03:19:54,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:54,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:54,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15690407] [2020-11-28 03:19:54,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:54,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:54,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:54,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:54,173 INFO L87 Difference]: Start difference. First operand 528 states and 721 transitions. Second operand 3 states. [2020-11-28 03:19:54,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:54,950 INFO L93 Difference]: Finished difference Result 1578 states and 2158 transitions. [2020-11-28 03:19:54,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:54,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-11-28 03:19:54,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:54,957 INFO L225 Difference]: With dead ends: 1578 [2020-11-28 03:19:54,958 INFO L226 Difference]: Without dead ends: 1052 [2020-11-28 03:19:54,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:54,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-11-28 03:19:55,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2020-11-28 03:19:55,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-11-28 03:19:55,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1367 transitions. [2020-11-28 03:19:55,008 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1367 transitions. Word has length 135 [2020-11-28 03:19:55,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:55,008 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1367 transitions. [2020-11-28 03:19:55,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:55,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1367 transitions. [2020-11-28 03:19:55,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-11-28 03:19:55,013 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:55,014 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:55,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:19:55,014 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:55,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:55,015 INFO L82 PathProgramCache]: Analyzing trace with hash 160357932, now seen corresponding path program 1 times [2020-11-28 03:19:55,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:55,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401119883] [2020-11-28 03:19:55,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:55,168 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:55,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401119883] [2020-11-28 03:19:55,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:55,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:19:55,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138780075] [2020-11-28 03:19:55,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:19:55,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:55,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:19:55,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:19:55,172 INFO L87 Difference]: Start difference. First operand 1052 states and 1367 transitions. Second operand 4 states. [2020-11-28 03:19:56,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:56,410 INFO L93 Difference]: Finished difference Result 2626 states and 3388 transitions. [2020-11-28 03:19:56,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:19:56,411 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 138 [2020-11-28 03:19:56,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:56,421 INFO L225 Difference]: With dead ends: 2626 [2020-11-28 03:19:56,422 INFO L226 Difference]: Without dead ends: 1576 [2020-11-28 03:19:56,424 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:19:56,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2020-11-28 03:19:56,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1314. [2020-11-28 03:19:56,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-11-28 03:19:56,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1659 transitions. [2020-11-28 03:19:56,486 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1659 transitions. Word has length 138 [2020-11-28 03:19:56,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:56,487 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1659 transitions. [2020-11-28 03:19:56,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:19:56,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1659 transitions. [2020-11-28 03:19:56,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-11-28 03:19:56,493 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:56,493 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:56,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:19:56,494 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:56,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:56,495 INFO L82 PathProgramCache]: Analyzing trace with hash -2094393763, now seen corresponding path program 1 times [2020-11-28 03:19:56,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:56,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314066983] [2020-11-28 03:19:56,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:56,605 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:56,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314066983] [2020-11-28 03:19:56,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:56,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:19:56,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315181394] [2020-11-28 03:19:56,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:56,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:56,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:56,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:56,608 INFO L87 Difference]: Start difference. First operand 1314 states and 1659 transitions. Second operand 3 states. [2020-11-28 03:19:57,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:57,424 INFO L93 Difference]: Finished difference Result 3543 states and 4513 transitions. [2020-11-28 03:19:57,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:57,425 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-11-28 03:19:57,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:57,441 INFO L225 Difference]: With dead ends: 3543 [2020-11-28 03:19:57,441 INFO L226 Difference]: Without dead ends: 2231 [2020-11-28 03:19:57,444 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:57,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2020-11-28 03:19:57,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2100. [2020-11-28 03:19:57,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2100 states. [2020-11-28 03:19:57,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2679 transitions. [2020-11-28 03:19:57,515 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2679 transitions. Word has length 139 [2020-11-28 03:19:57,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:57,516 INFO L481 AbstractCegarLoop]: Abstraction has 2100 states and 2679 transitions. [2020-11-28 03:19:57,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:57,516 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2679 transitions. [2020-11-28 03:19:57,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-11-28 03:19:57,521 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:57,522 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:57,522 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:19:57,522 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:57,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:57,523 INFO L82 PathProgramCache]: Analyzing trace with hash -2871608, now seen corresponding path program 1 times [2020-11-28 03:19:57,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:57,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448099751] [2020-11-28 03:19:57,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:57,651 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:57,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448099751] [2020-11-28 03:19:57,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:57,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:57,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094155942] [2020-11-28 03:19:57,654 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:57,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:57,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:57,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:57,658 INFO L87 Difference]: Start difference. First operand 2100 states and 2679 transitions. Second operand 3 states. [2020-11-28 03:19:58,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:58,329 INFO L93 Difference]: Finished difference Result 4460 states and 5648 transitions. [2020-11-28 03:19:58,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:58,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2020-11-28 03:19:58,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:58,344 INFO L225 Difference]: With dead ends: 4460 [2020-11-28 03:19:58,345 INFO L226 Difference]: Without dead ends: 2362 [2020-11-28 03:19:58,348 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:58,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2020-11-28 03:19:58,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2231. [2020-11-28 03:19:58,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-11-28 03:19:58,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2798 transitions. [2020-11-28 03:19:58,448 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2798 transitions. Word has length 141 [2020-11-28 03:19:58,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:58,453 INFO L481 AbstractCegarLoop]: Abstraction has 2231 states and 2798 transitions. [2020-11-28 03:19:58,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:58,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2798 transitions. [2020-11-28 03:19:58,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-11-28 03:19:58,459 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:58,460 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:58,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:19:58,460 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:58,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:58,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1538572042, now seen corresponding path program 1 times [2020-11-28 03:19:58,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:58,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144936879] [2020-11-28 03:19:58,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:58,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:58,576 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 03:19:58,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144936879] [2020-11-28 03:19:58,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:58,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:58,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381088317] [2020-11-28 03:19:58,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:58,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:58,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:58,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:58,582 INFO L87 Difference]: Start difference. First operand 2231 states and 2798 transitions. Second operand 3 states. [2020-11-28 03:19:59,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:59,344 INFO L93 Difference]: Finished difference Result 4853 states and 6078 transitions. [2020-11-28 03:19:59,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:59,344 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-11-28 03:19:59,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:59,362 INFO L225 Difference]: With dead ends: 4853 [2020-11-28 03:19:59,362 INFO L226 Difference]: Without dead ends: 2493 [2020-11-28 03:19:59,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:59,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2020-11-28 03:19:59,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 2493. [2020-11-28 03:19:59,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2493 states. [2020-11-28 03:19:59,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 2880 transitions. [2020-11-28 03:19:59,450 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 2880 transitions. Word has length 142 [2020-11-28 03:19:59,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:59,450 INFO L481 AbstractCegarLoop]: Abstraction has 2493 states and 2880 transitions. [2020-11-28 03:19:59,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:59,451 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 2880 transitions. [2020-11-28 03:19:59,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-11-28 03:19:59,458 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:59,458 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:59,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:19:59,459 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:59,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:59,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1026858574, now seen corresponding path program 1 times [2020-11-28 03:19:59,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:59,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999678036] [2020-11-28 03:19:59,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:59,591 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:59,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999678036] [2020-11-28 03:19:59,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319701570] [2020-11-28 03:19:59,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b84c09f-9d7c-4a44-855a-f0d0e940d4c3/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:19:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:59,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:19:59,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:00,082 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-28 03:20:00,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:20:00,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-28 03:20:00,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429569856] [2020-11-28 03:20:00,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:00,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:00,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:00,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:20:00,085 INFO L87 Difference]: Start difference. First operand 2493 states and 2880 transitions. Second operand 3 states. [2020-11-28 03:20:00,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:00,849 INFO L93 Difference]: Finished difference Result 5770 states and 6647 transitions. [2020-11-28 03:20:00,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:00,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-11-28 03:20:00,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:00,872 INFO L225 Difference]: With dead ends: 5770 [2020-11-28 03:20:00,872 INFO L226 Difference]: Without dead ends: 3279 [2020-11-28 03:20:00,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:20:00,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states. [2020-11-28 03:20:00,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 2493. [2020-11-28 03:20:00,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2493 states. [2020-11-28 03:20:00,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 2844 transitions. [2020-11-28 03:20:00,965 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 2844 transitions. Word has length 145 [2020-11-28 03:20:00,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:00,966 INFO L481 AbstractCegarLoop]: Abstraction has 2493 states and 2844 transitions. [2020-11-28 03:20:00,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:00,967 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 2844 transitions. [2020-11-28 03:20:00,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-28 03:20:00,974 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:00,975 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:01,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-11-28 03:20:01,203 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:01,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:01,204 INFO L82 PathProgramCache]: Analyzing trace with hash -2102279321, now seen corresponding path program 1 times [2020-11-28 03:20:01,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:01,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749232057] [2020-11-28 03:20:01,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:01,341 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-11-28 03:20:01,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749232057] [2020-11-28 03:20:01,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:01,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:01,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230000880] [2020-11-28 03:20:01,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:20:01,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:01,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:20:01,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:20:01,346 INFO L87 Difference]: Start difference. First operand 2493 states and 2844 transitions. Second operand 4 states. [2020-11-28 03:20:02,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:02,425 INFO L93 Difference]: Finished difference Result 4984 states and 5686 transitions. [2020-11-28 03:20:02,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:20:02,426 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 185 [2020-11-28 03:20:02,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:02,441 INFO L225 Difference]: With dead ends: 4984 [2020-11-28 03:20:02,441 INFO L226 Difference]: Without dead ends: 2493 [2020-11-28 03:20:02,445 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:20:02,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2020-11-28 03:20:02,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 2493. [2020-11-28 03:20:02,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2493 states. [2020-11-28 03:20:02,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 2814 transitions. [2020-11-28 03:20:02,513 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 2814 transitions. Word has length 185 [2020-11-28 03:20:02,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:02,513 INFO L481 AbstractCegarLoop]: Abstraction has 2493 states and 2814 transitions. [2020-11-28 03:20:02,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:20:02,514 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 2814 transitions. [2020-11-28 03:20:02,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-11-28 03:20:02,525 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:02,525 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:02,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:20:02,526 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:02,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:02,527 INFO L82 PathProgramCache]: Analyzing trace with hash -641466947, now seen corresponding path program 1 times [2020-11-28 03:20:02,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:02,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151737409] [2020-11-28 03:20:02,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:02,688 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 96 proven. 3 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-11-28 03:20:02,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151737409] [2020-11-28 03:20:02,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162185744] [2020-11-28 03:20:02,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b84c09f-9d7c-4a44-855a-f0d0e940d4c3/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:20:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:02,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:20:02,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:03,060 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-11-28 03:20:03,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:20:03,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 03:20:03,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045896284] [2020-11-28 03:20:03,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:03,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:03,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:03,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:20:03,063 INFO L87 Difference]: Start difference. First operand 2493 states and 2814 transitions. Second operand 3 states. [2020-11-28 03:20:03,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:03,773 INFO L93 Difference]: Finished difference Result 5506 states and 6229 transitions. [2020-11-28 03:20:03,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:03,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2020-11-28 03:20:03,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:03,775 INFO L225 Difference]: With dead ends: 5506 [2020-11-28 03:20:03,775 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:20:03,781 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:20:03,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:20:03,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:20:03,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:20:03,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:20:03,783 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 214 [2020-11-28 03:20:03,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:03,783 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:20:03,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:03,783 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:20:03,783 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:20:03,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-28 03:20:04,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:20:04,177 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-28 03:20:04,177 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-28 03:20:04,177 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-28 03:20:04,177 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-28 03:20:04,178 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-28 03:20:04,178 INFO L274 CegarLoopResult]: For program point L102(lines 102 400) no Hoare annotation was computed. [2020-11-28 03:20:04,178 INFO L274 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-11-28 03:20:04,178 INFO L274 CegarLoopResult]: For program point L334(lines 334 400) no Hoare annotation was computed. [2020-11-28 03:20:04,178 INFO L274 CegarLoopResult]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,178 INFO L274 CegarLoopResult]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,178 INFO L274 CegarLoopResult]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,178 INFO L274 CegarLoopResult]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,178 INFO L274 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-11-28 03:20:04,178 INFO L274 CegarLoopResult]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,178 INFO L274 CegarLoopResult]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,179 INFO L274 CegarLoopResult]: For program point L302(lines 302 400) no Hoare annotation was computed. [2020-11-28 03:20:04,179 INFO L274 CegarLoopResult]: For program point L170(lines 170 400) no Hoare annotation was computed. [2020-11-28 03:20:04,179 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-28 03:20:04,179 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-28 03:20:04,179 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-28 03:20:04,179 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-28 03:20:04,179 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-28 03:20:04,179 INFO L274 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-11-28 03:20:04,179 INFO L274 CegarLoopResult]: For program point L204(lines 204 400) no Hoare annotation was computed. [2020-11-28 03:20:04,179 INFO L274 CegarLoopResult]: For program point L72(lines 72 400) no Hoare annotation was computed. [2020-11-28 03:20:04,179 INFO L274 CegarLoopResult]: For program point L271(lines 271 400) no Hoare annotation was computed. [2020-11-28 03:20:04,180 INFO L274 CegarLoopResult]: For program point L139(lines 139 400) no Hoare annotation was computed. [2020-11-28 03:20:04,180 INFO L274 CegarLoopResult]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,180 INFO L274 CegarLoopResult]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,180 INFO L274 CegarLoopResult]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,180 INFO L274 CegarLoopResult]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,180 INFO L274 CegarLoopResult]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,180 INFO L274 CegarLoopResult]: For program point L371(lines 371 400) no Hoare annotation was computed. [2020-11-28 03:20:04,180 INFO L274 CegarLoopResult]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,180 INFO L274 CegarLoopResult]: For program point L107(lines 107 400) no Hoare annotation was computed. [2020-11-28 03:20:04,180 INFO L274 CegarLoopResult]: For program point L41(lines 41 400) no Hoare annotation was computed. [2020-11-28 03:20:04,180 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-28 03:20:04,181 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-28 03:20:04,181 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-28 03:20:04,181 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-28 03:20:04,181 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-28 03:20:04,181 INFO L274 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-11-28 03:20:04,181 INFO L274 CegarLoopResult]: For program point L339(lines 339 400) no Hoare annotation was computed. [2020-11-28 03:20:04,181 INFO L274 CegarLoopResult]: For program point L207(lines 207 400) no Hoare annotation was computed. [2020-11-28 03:20:04,181 INFO L274 CegarLoopResult]: For program point L75(lines 75 400) no Hoare annotation was computed. [2020-11-28 03:20:04,181 INFO L274 CegarLoopResult]: For program point L373(lines 373 400) no Hoare annotation was computed. [2020-11-28 03:20:04,181 INFO L274 CegarLoopResult]: For program point L241(lines 241 400) no Hoare annotation was computed. [2020-11-28 03:20:04,181 INFO L274 CegarLoopResult]: For program point L175(lines 175 400) no Hoare annotation was computed. [2020-11-28 03:20:04,181 INFO L274 CegarLoopResult]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,182 INFO L274 CegarLoopResult]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,182 INFO L274 CegarLoopResult]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,182 INFO L274 CegarLoopResult]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,182 INFO L274 CegarLoopResult]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,182 INFO L274 CegarLoopResult]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,182 INFO L274 CegarLoopResult]: For program point L275(lines 275 400) no Hoare annotation was computed. [2020-11-28 03:20:04,182 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-28 03:20:04,182 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-28 03:20:04,182 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-28 03:20:04,182 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-28 03:20:04,182 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-28 03:20:04,182 INFO L274 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-11-28 03:20:04,184 INFO L274 CegarLoopResult]: For program point L375(lines 375 400) no Hoare annotation was computed. [2020-11-28 03:20:04,184 INFO L274 CegarLoopResult]: For program point L309(lines 309 400) no Hoare annotation was computed. [2020-11-28 03:20:04,184 INFO L274 CegarLoopResult]: For program point L45(lines 45 400) no Hoare annotation was computed. [2020-11-28 03:20:04,185 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:20:04,185 INFO L274 CegarLoopResult]: For program point L343(lines 343 400) no Hoare annotation was computed. [2020-11-28 03:20:04,185 INFO L274 CegarLoopResult]: For program point L112(lines 112 400) no Hoare annotation was computed. [2020-11-28 03:20:04,185 INFO L274 CegarLoopResult]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,185 INFO L274 CegarLoopResult]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,185 INFO L274 CegarLoopResult]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,185 INFO L274 CegarLoopResult]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,186 INFO L274 CegarLoopResult]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,186 INFO L274 CegarLoopResult]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,186 INFO L274 CegarLoopResult]: For program point L278(lines 278 400) no Hoare annotation was computed. [2020-11-28 03:20:04,186 INFO L274 CegarLoopResult]: For program point L146(lines 146 400) no Hoare annotation was computed. [2020-11-28 03:20:04,186 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-28 03:20:04,186 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-28 03:20:04,186 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-28 03:20:04,187 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-28 03:20:04,187 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-28 03:20:04,187 INFO L274 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2020-11-28 03:20:04,187 INFO L274 CegarLoopResult]: For program point L213(lines 213 400) no Hoare annotation was computed. [2020-11-28 03:20:04,187 INFO L274 CegarLoopResult]: For program point L82(lines 82 400) no Hoare annotation was computed. [2020-11-28 03:20:04,187 INFO L274 CegarLoopResult]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,187 INFO L274 CegarLoopResult]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,188 INFO L274 CegarLoopResult]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,188 INFO L274 CegarLoopResult]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,188 INFO L274 CegarLoopResult]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,188 INFO L274 CegarLoopResult]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,188 INFO L274 CegarLoopResult]: For program point L347(lines 347 400) no Hoare annotation was computed. [2020-11-28 03:20:04,188 INFO L274 CegarLoopResult]: For program point L248(lines 248 400) no Hoare annotation was computed. [2020-11-28 03:20:04,188 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-28 03:20:04,189 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-28 03:20:04,189 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-28 03:20:04,189 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-28 03:20:04,189 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-28 03:20:04,189 INFO L274 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-11-28 03:20:04,189 INFO L274 CegarLoopResult]: For program point L183(lines 183 400) no Hoare annotation was computed. [2020-11-28 03:20:04,190 INFO L274 CegarLoopResult]: For program point L150(lines 150 400) no Hoare annotation was computed. [2020-11-28 03:20:04,190 INFO L274 CegarLoopResult]: For program point L382(lines 382 400) no Hoare annotation was computed. [2020-11-28 03:20:04,190 INFO L274 CegarLoopResult]: For program point L316(lines 316 400) no Hoare annotation was computed. [2020-11-28 03:20:04,190 INFO L274 CegarLoopResult]: For program point L283(lines 283 400) no Hoare annotation was computed. [2020-11-28 03:20:04,190 INFO L274 CegarLoopResult]: For program point L118(lines 118 400) no Hoare annotation was computed. [2020-11-28 03:20:04,190 INFO L274 CegarLoopResult]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2020-11-28 03:20:04,190 INFO L274 CegarLoopResult]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,191 INFO L274 CegarLoopResult]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,191 INFO L274 CegarLoopResult]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,191 INFO L274 CegarLoopResult]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,191 INFO L274 CegarLoopResult]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,191 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:20:04,191 INFO L274 CegarLoopResult]: For program point L218(lines 218 400) no Hoare annotation was computed. [2020-11-28 03:20:04,191 INFO L274 CegarLoopResult]: For program point L53(lines 53 400) no Hoare annotation was computed. [2020-11-28 03:20:04,192 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-28 03:20:04,192 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-28 03:20:04,192 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-28 03:20:04,192 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-28 03:20:04,192 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-28 03:20:04,192 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-28 03:20:04,192 INFO L274 CegarLoopResult]: For program point L154(lines 154 400) no Hoare annotation was computed. [2020-11-28 03:20:04,193 INFO L270 CegarLoopResult]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse0 (= ~a20~0 1))) (or (and (= ~a21~0 1) .cse0 (= ~a7~0 0) (= ~a17~0 1)) (<= ~a16~0 5) (and .cse0 (<= ~a8~0 13)) (<= 15 ~a8~0))) [2020-11-28 03:20:04,193 INFO L274 CegarLoopResult]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,193 INFO L274 CegarLoopResult]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,193 INFO L274 CegarLoopResult]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,194 INFO L274 CegarLoopResult]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,194 INFO L274 CegarLoopResult]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,194 INFO L274 CegarLoopResult]: For program point L188(lines 188 400) no Hoare annotation was computed. [2020-11-28 03:20:04,194 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-28 03:20:04,194 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-28 03:20:04,194 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-28 03:20:04,194 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-28 03:20:04,195 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-28 03:20:04,195 INFO L274 CegarLoopResult]: For program point L387(lines 387 400) no Hoare annotation was computed. [2020-11-28 03:20:04,195 INFO L274 CegarLoopResult]: For program point L288(lines 288 400) no Hoare annotation was computed. [2020-11-28 03:20:04,195 INFO L274 CegarLoopResult]: For program point L255(lines 255 400) no Hoare annotation was computed. [2020-11-28 03:20:04,195 INFO L274 CegarLoopResult]: For program point L90(lines 90 400) no Hoare annotation was computed. [2020-11-28 03:20:04,195 INFO L274 CegarLoopResult]: For program point L355(lines 355 400) no Hoare annotation was computed. [2020-11-28 03:20:04,195 INFO L274 CegarLoopResult]: For program point L322(lines 322 400) no Hoare annotation was computed. [2020-11-28 03:20:04,196 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:20:04,196 INFO L274 CegarLoopResult]: For program point L124(lines 124 400) no Hoare annotation was computed. [2020-11-28 03:20:04,196 INFO L277 CegarLoopResult]: At program point L587(lines 587 604) the Hoare annotation is: true [2020-11-28 03:20:04,196 INFO L274 CegarLoopResult]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,196 INFO L274 CegarLoopResult]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,196 INFO L274 CegarLoopResult]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,197 INFO L274 CegarLoopResult]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,197 INFO L274 CegarLoopResult]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,197 INFO L274 CegarLoopResult]: For program point L224(lines 224 400) no Hoare annotation was computed. [2020-11-28 03:20:04,197 INFO L274 CegarLoopResult]: For program point L158(lines 158 400) no Hoare annotation was computed. [2020-11-28 03:20:04,197 INFO L274 CegarLoopResult]: For program point L59(lines 59 400) no Hoare annotation was computed. [2020-11-28 03:20:04,197 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-28 03:20:04,197 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-28 03:20:04,198 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-28 03:20:04,198 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-28 03:20:04,198 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-28 03:20:04,198 INFO L274 CegarLoopResult]: For program point L94(lines 94 400) no Hoare annotation was computed. [2020-11-28 03:20:04,198 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:20:04,198 INFO L274 CegarLoopResult]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,198 INFO L274 CegarLoopResult]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,199 INFO L274 CegarLoopResult]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,199 INFO L274 CegarLoopResult]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,199 INFO L274 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-11-28 03:20:04,199 INFO L274 CegarLoopResult]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,199 INFO L274 CegarLoopResult]: For program point L326(lines 326 400) no Hoare annotation was computed. [2020-11-28 03:20:04,199 INFO L274 CegarLoopResult]: For program point L260(lines 260 400) no Hoare annotation was computed. [2020-11-28 03:20:04,200 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-28 03:20:04,200 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-28 03:20:04,200 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-28 03:20:04,200 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-28 03:20:04,200 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-28 03:20:04,200 INFO L274 CegarLoopResult]: For program point L228(lines 228 400) no Hoare annotation was computed. [2020-11-28 03:20:04,200 INFO L274 CegarLoopResult]: For program point L162(lines 162 400) no Hoare annotation was computed. [2020-11-28 03:20:04,201 INFO L274 CegarLoopResult]: For program point L129(lines 129 400) no Hoare annotation was computed. [2020-11-28 03:20:04,201 INFO L274 CegarLoopResult]: For program point L328(lines 328 400) no Hoare annotation was computed. [2020-11-28 03:20:04,201 INFO L274 CegarLoopResult]: For program point L196(lines 196 400) no Hoare annotation was computed. [2020-11-28 03:20:04,201 INFO L274 CegarLoopResult]: For program point L64(lines 64 400) no Hoare annotation was computed. [2020-11-28 03:20:04,201 INFO L274 CegarLoopResult]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,201 INFO L270 CegarLoopResult]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse0 (= ~a20~0 1))) (or (and (= ~a21~0 1) .cse0 (= ~a7~0 0) (= ~a17~0 1)) (<= ~a16~0 5) (and .cse0 (<= ~a8~0 13)) (<= 15 ~a8~0))) [2020-11-28 03:20:04,202 INFO L274 CegarLoopResult]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,202 INFO L274 CegarLoopResult]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,202 INFO L274 CegarLoopResult]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,202 INFO L274 CegarLoopResult]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,202 INFO L274 CegarLoopResult]: For program point L296(lines 296 400) no Hoare annotation was computed. [2020-11-28 03:20:04,202 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:20:04,203 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:20:04,203 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-28 03:20:04,203 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-28 03:20:04,203 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-28 03:20:04,203 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-28 03:20:04,203 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-28 03:20:04,203 INFO L274 CegarLoopResult]: For program point L363(lines 363 400) no Hoare annotation was computed. [2020-11-28 03:20:04,204 INFO L274 CegarLoopResult]: For program point L199(lines 199 400) no Hoare annotation was computed. [2020-11-28 03:20:04,204 INFO L274 CegarLoopResult]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,204 INFO L274 CegarLoopResult]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,204 INFO L274 CegarLoopResult]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,204 INFO L274 CegarLoopResult]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,204 INFO L274 CegarLoopResult]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:20:04,204 INFO L274 CegarLoopResult]: For program point L365(lines 365 400) no Hoare annotation was computed. [2020-11-28 03:20:04,205 INFO L274 CegarLoopResult]: For program point L266(lines 266 400) no Hoare annotation was computed. [2020-11-28 03:20:04,205 INFO L274 CegarLoopResult]: For program point L233(lines 233 400) no Hoare annotation was computed. [2020-11-28 03:20:04,205 INFO L274 CegarLoopResult]: For program point L134(lines 134 400) no Hoare annotation was computed. [2020-11-28 03:20:04,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:20:04 BoogieIcfgContainer [2020-11-28 03:20:04,232 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:20:04,233 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:20:04,233 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:20:04,233 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:20:04,234 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:50" (3/4) ... [2020-11-28 03:20:04,238 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:20:04,275 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:20:04,276 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:20:04,278 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:20:04,280 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:20:04,491 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2b84c09f-9d7c-4a44-855a-f0d0e940d4c3/bin/uautomizer/witness.graphml [2020-11-28 03:20:04,491 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:20:04,493 INFO L168 Benchmark]: Toolchain (without parser) took 16744.68 ms. Allocated memory was 92.3 MB in the beginning and 281.0 MB in the end (delta: 188.7 MB). Free memory was 67.3 MB in the beginning and 194.7 MB in the end (delta: -127.5 MB). Peak memory consumption was 62.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:04,494 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 71.3 MB. Free memory was 38.5 MB in the beginning and 38.5 MB in the end (delta: 40.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:20:04,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.57 ms. Allocated memory is still 92.3 MB. Free memory was 67.0 MB in the beginning and 69.0 MB in the end (delta: -2.0 MB). Peak memory consumption was 33.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:04,495 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.29 ms. Allocated memory is still 92.3 MB. Free memory was 69.0 MB in the beginning and 63.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:04,496 INFO L168 Benchmark]: Boogie Preprocessor took 66.05 ms. Allocated memory is still 92.3 MB. Free memory was 63.4 MB in the beginning and 58.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:04,496 INFO L168 Benchmark]: RCFGBuilder took 1817.62 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 58.9 MB in the beginning and 51.1 MB in the end (delta: 7.9 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:04,497 INFO L168 Benchmark]: TraceAbstraction took 13724.57 ms. Allocated memory was 119.5 MB in the beginning and 281.0 MB in the end (delta: 161.5 MB). Free memory was 50.4 MB in the beginning and 209.4 MB in the end (delta: -159.0 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:04,497 INFO L168 Benchmark]: Witness Printer took 258.69 ms. Allocated memory is still 281.0 MB. Free memory was 209.4 MB in the beginning and 194.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:04,500 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 71.3 MB. Free memory was 38.5 MB in the beginning and 38.5 MB in the end (delta: 40.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 760.57 ms. Allocated memory is still 92.3 MB. Free memory was 67.0 MB in the beginning and 69.0 MB in the end (delta: -2.0 MB). Peak memory consumption was 33.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 110.29 ms. Allocated memory is still 92.3 MB. Free memory was 69.0 MB in the beginning and 63.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 66.05 ms. Allocated memory is still 92.3 MB. Free memory was 63.4 MB in the beginning and 58.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1817.62 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 58.9 MB in the beginning and 51.1 MB in the end (delta: 7.9 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13724.57 ms. Allocated memory was 119.5 MB in the beginning and 281.0 MB in the end (delta: 161.5 MB). Free memory was 50.4 MB in the beginning and 209.4 MB in the end (delta: -159.0 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. * Witness Printer took 258.69 ms. Allocated memory is still 281.0 MB. Free memory was 209.4 MB in the beginning and 194.7 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: 40]: Loop Invariant Derived loop invariant: (((((a21 == 1 && a20 == 1) && a7 == 0) && a17 == 1) || a16 <= 5) || (a20 == 1 && a8 <= 13)) || 15 <= a8 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((((a21 == 1 && a20 == 1) && a7 == 0) && a17 == 1) || a16 <= 5) || (a20 == 1 && a8 <= 13)) || 15 <= a8 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.4s, OverallIterations: 10, TraceHistogramMax: 6, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 511 SDtfs, 1432 SDslu, 60 SDs, 0 SdLazy, 3719 SolverSat, 665 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 382 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2493occurred 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: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 1312 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 53 NumberOfFragments, 55 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1290 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1855 NumberOfCodeBlocks, 1855 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1843 ConstructedInterpolants, 0 QuantifiedInterpolants, 548578 SizeOfPredicates, 2 NumberOfNonLiveVariables, 730 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 609/615 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...