./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i --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_c4b1ab56-1508-44e6-a268-8e1316f8c2cf/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c4b1ab56-1508-44e6-a268-8e1316f8c2cf/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c4b1ab56-1508-44e6-a268-8e1316f8c2cf/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c4b1ab56-1508-44e6-a268-8e1316f8c2cf/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c4b1ab56-1508-44e6-a268-8e1316f8c2cf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c4b1ab56-1508-44e6-a268-8e1316f8c2cf/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 2d5e1e94b71e060a77443e2afd511bc50cc1649d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 03:09:42,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:09:42,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:09:42,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:09:42,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:09:42,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:09:42,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:09:42,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:09:42,488 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:09:42,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:09:42,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:09:42,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:09:42,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:09:42,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:09:42,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:09:42,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:09:42,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:09:42,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:09:42,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:09:42,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:09:42,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:09:42,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:09:42,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:09:42,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:09:42,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:09:42,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:09:42,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:09:42,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:09:42,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:09:42,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:09:42,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:09:42,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:09:42,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:09:42,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:09:42,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:09:42,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:09:42,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:09:42,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:09:42,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:09:42,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:09:42,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:09:42,578 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c4b1ab56-1508-44e6-a268-8e1316f8c2cf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:09:42,623 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:09:42,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:09:42,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:09:42,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:09:42,626 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:09:42,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:09:42,627 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:09:42,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:09:42,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:09:42,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:09:42,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:09:42,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:09:42,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:09:42,629 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:09:42,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:09:42,629 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:09:42,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:09:42,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:09:42,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:09:42,631 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:09:42,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:09:42,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:09:42,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:09:42,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:09:42,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:09:42,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:09:42,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:09:42,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:09:42,633 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:09:42,634 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_c4b1ab56-1508-44e6-a268-8e1316f8c2cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c4b1ab56-1508-44e6-a268-8e1316f8c2cf/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d5e1e94b71e060a77443e2afd511bc50cc1649d [2020-11-28 03:09:42,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:09:42,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:09:42,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:09:42,952 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:09:42,955 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:09:42,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c4b1ab56-1508-44e6-a268-8e1316f8c2cf/bin/uautomizer/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i [2020-11-28 03:09:43,061 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c4b1ab56-1508-44e6-a268-8e1316f8c2cf/bin/uautomizer/data/7a47defa5/66a695d9eed540e19b080da4f801fdbc/FLAGef7955fc1 [2020-11-28 03:09:43,629 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:09:43,630 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c4b1ab56-1508-44e6-a268-8e1316f8c2cf/sv-benchmarks/c/loop-invgen/apache-get-tag.i [2020-11-28 03:09:43,639 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c4b1ab56-1508-44e6-a268-8e1316f8c2cf/bin/uautomizer/data/7a47defa5/66a695d9eed540e19b080da4f801fdbc/FLAGef7955fc1 [2020-11-28 03:09:43,967 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c4b1ab56-1508-44e6-a268-8e1316f8c2cf/bin/uautomizer/data/7a47defa5/66a695d9eed540e19b080da4f801fdbc [2020-11-28 03:09:43,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:09:43,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:09:43,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:09:43,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:09:43,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:09:43,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:09:43" (1/1) ... [2020-11-28 03:09:43,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46920f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:43, skipping insertion in model container [2020-11-28 03:09:43,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:09:43" (1/1) ... [2020-11-28 03:09:44,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:09:44,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:09:44,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:09:44,282 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:09:44,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:09:44,327 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:09:44,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:44 WrapperNode [2020-11-28 03:09:44,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:09:44,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:09:44,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:09:44,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:09:44,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:44" (1/1) ... [2020-11-28 03:09:44,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:44" (1/1) ... [2020-11-28 03:09:44,382 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:09:44,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:09:44,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:09:44,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:09:44,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:44" (1/1) ... [2020-11-28 03:09:44,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:44" (1/1) ... [2020-11-28 03:09:44,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:44" (1/1) ... [2020-11-28 03:09:44,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:44" (1/1) ... [2020-11-28 03:09:44,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:44" (1/1) ... [2020-11-28 03:09:44,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:44" (1/1) ... [2020-11-28 03:09:44,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:44" (1/1) ... [2020-11-28 03:09:44,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:09:44,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:09:44,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:09:44,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:09:44,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4b1ab56-1508-44e6-a268-8e1316f8c2cf/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 03:09:44,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:09:44,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:09:44,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:09:44,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:09:45,312 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:09:45,313 INFO L298 CfgBuilder]: Removed 70 assume(true) statements. [2020-11-28 03:09:45,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:45 BoogieIcfgContainer [2020-11-28 03:09:45,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:09:45,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:09:45,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:09:45,324 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:09:45,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:09:43" (1/3) ... [2020-11-28 03:09:45,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8b6c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:09:45, skipping insertion in model container [2020-11-28 03:09:45,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:44" (2/3) ... [2020-11-28 03:09:45,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8b6c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:09:45, skipping insertion in model container [2020-11-28 03:09:45,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:45" (3/3) ... [2020-11-28 03:09:45,328 INFO L111 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i [2020-11-28 03:09:45,342 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:09:45,347 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2020-11-28 03:09:45,363 INFO L253 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2020-11-28 03:09:45,395 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:09:45,395 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:09:45,395 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:09:45,396 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:09:45,396 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:09:45,396 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:09:45,396 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:09:45,397 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:09:45,425 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2020-11-28 03:09:45,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 03:09:45,434 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:45,435 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:45,436 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:45,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:45,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1034905819, now seen corresponding path program 1 times [2020-11-28 03:09:45,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:45,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320909092] [2020-11-28 03:09:45,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:45,608 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 03:09:45,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320909092] [2020-11-28 03:09:45,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:45,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:09:45,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836494562] [2020-11-28 03:09:45,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:09:45,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:45,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:09:45,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:09:45,640 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2020-11-28 03:09:45,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:45,706 INFO L93 Difference]: Finished difference Result 236 states and 321 transitions. [2020-11-28 03:09:45,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:09:45,707 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-28 03:09:45,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:45,720 INFO L225 Difference]: With dead ends: 236 [2020-11-28 03:09:45,720 INFO L226 Difference]: Without dead ends: 108 [2020-11-28 03:09:45,725 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:09:45,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-11-28 03:09:45,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2020-11-28 03:09:45,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-11-28 03:09:45,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 111 transitions. [2020-11-28 03:09:45,777 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 111 transitions. Word has length 10 [2020-11-28 03:09:45,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:45,778 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 111 transitions. [2020-11-28 03:09:45,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:09:45,778 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 111 transitions. [2020-11-28 03:09:45,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 03:09:45,779 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:45,779 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:45,779 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:09:45,780 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:45,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:45,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1059717747, now seen corresponding path program 1 times [2020-11-28 03:09:45,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:45,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494243757] [2020-11-28 03:09:45,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:45,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:45,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494243757] [2020-11-28 03:09:45,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:45,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:09:45,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526512566] [2020-11-28 03:09:45,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:09:45,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:45,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:09:45,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:09:45,891 INFO L87 Difference]: Start difference. First operand 108 states and 111 transitions. Second operand 4 states. [2020-11-28 03:09:46,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:46,139 INFO L93 Difference]: Finished difference Result 112 states and 117 transitions. [2020-11-28 03:09:46,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:09:46,140 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-11-28 03:09:46,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:46,142 INFO L225 Difference]: With dead ends: 112 [2020-11-28 03:09:46,142 INFO L226 Difference]: Without dead ends: 80 [2020-11-28 03:09:46,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:09:46,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-11-28 03:09:46,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2020-11-28 03:09:46,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-11-28 03:09:46,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2020-11-28 03:09:46,185 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 10 [2020-11-28 03:09:46,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:46,185 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2020-11-28 03:09:46,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:09:46,186 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2020-11-28 03:09:46,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 03:09:46,189 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:46,189 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:46,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:09:46,190 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:46,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:46,191 INFO L82 PathProgramCache]: Analyzing trace with hash -96025872, now seen corresponding path program 1 times [2020-11-28 03:09:46,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:46,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822612559] [2020-11-28 03:09:46,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:46,328 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 03:09:46,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822612559] [2020-11-28 03:09:46,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:46,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:09:46,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334306648] [2020-11-28 03:09:46,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:09:46,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:46,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:09:46,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:09:46,331 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand 5 states. [2020-11-28 03:09:46,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:46,582 INFO L93 Difference]: Finished difference Result 99 states and 104 transitions. [2020-11-28 03:09:46,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:09:46,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-11-28 03:09:46,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:46,585 INFO L225 Difference]: With dead ends: 99 [2020-11-28 03:09:46,585 INFO L226 Difference]: Without dead ends: 75 [2020-11-28 03:09:46,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:09:46,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-11-28 03:09:46,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 55. [2020-11-28 03:09:46,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-28 03:09:46,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2020-11-28 03:09:46,605 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 12 [2020-11-28 03:09:46,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:46,606 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2020-11-28 03:09:46,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:09:46,606 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2020-11-28 03:09:46,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 03:09:46,607 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:46,607 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:46,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:09:46,608 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:46,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:46,608 INFO L82 PathProgramCache]: Analyzing trace with hash 861540566, now seen corresponding path program 1 times [2020-11-28 03:09:46,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:46,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489810975] [2020-11-28 03:09:46,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:46,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:46,691 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 03:09:46,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489810975] [2020-11-28 03:09:46,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:46,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:09:46,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402146126] [2020-11-28 03:09:46,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:09:46,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:46,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:09:46,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:09:46,694 INFO L87 Difference]: Start difference. First operand 55 states and 58 transitions. Second operand 5 states. [2020-11-28 03:09:46,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:46,904 INFO L93 Difference]: Finished difference Result 75 states and 79 transitions. [2020-11-28 03:09:46,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:09:46,905 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-28 03:09:46,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:46,906 INFO L225 Difference]: With dead ends: 75 [2020-11-28 03:09:46,906 INFO L226 Difference]: Without dead ends: 67 [2020-11-28 03:09:46,907 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:09:46,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-11-28 03:09:46,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 65. [2020-11-28 03:09:46,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-11-28 03:09:46,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2020-11-28 03:09:46,927 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 13 [2020-11-28 03:09:46,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:46,927 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2020-11-28 03:09:46,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:09:46,928 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2020-11-28 03:09:46,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 03:09:46,930 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:46,931 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:46,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:09:46,931 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:46,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:46,932 INFO L82 PathProgramCache]: Analyzing trace with hash -848506521, now seen corresponding path program 1 times [2020-11-28 03:09:46,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:46,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92086063] [2020-11-28 03:09:46,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:47,184 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:47,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92086063] [2020-11-28 03:09:47,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215204132] [2020-11-28 03:09:47,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4b1ab56-1508-44e6-a268-8e1316f8c2cf/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 03:09:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:47,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:09:47,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:09:47,441 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:09:47,449 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 03:09:47,496 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:47,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:09:47,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2020-11-28 03:09:47,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998114793] [2020-11-28 03:09:47,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-28 03:09:47,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:47,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-28 03:09:47,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-11-28 03:09:47,499 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand 11 states. [2020-11-28 03:09:47,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:47,873 INFO L93 Difference]: Finished difference Result 129 states and 140 transitions. [2020-11-28 03:09:47,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-28 03:09:47,874 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2020-11-28 03:09:47,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:47,876 INFO L225 Difference]: With dead ends: 129 [2020-11-28 03:09:47,876 INFO L226 Difference]: Without dead ends: 105 [2020-11-28 03:09:47,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-11-28 03:09:47,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-11-28 03:09:47,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 89. [2020-11-28 03:09:47,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-11-28 03:09:47,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 96 transitions. [2020-11-28 03:09:47,894 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 96 transitions. Word has length 20 [2020-11-28 03:09:47,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:47,895 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 96 transitions. [2020-11-28 03:09:47,895 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-28 03:09:47,895 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2020-11-28 03:09:47,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 03:09:47,902 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:47,902 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:48,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:09:48,118 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:48,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:48,118 INFO L82 PathProgramCache]: Analyzing trace with hash -749962314, now seen corresponding path program 2 times [2020-11-28 03:09:48,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:48,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407053855] [2020-11-28 03:09:48,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:48,267 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 03:09:48,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407053855] [2020-11-28 03:09:48,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859111539] [2020-11-28 03:09:48,267 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4b1ab56-1508-44e6-a268-8e1316f8c2cf/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 03:09:48,336 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-28 03:09:48,337 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-28 03:09:48,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-28 03:09:48,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:09:48,541 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:09:48,545 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 03:09:48,600 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:48,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:09:48,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2020-11-28 03:09:48,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938003570] [2020-11-28 03:09:48,603 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-28 03:09:48,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:48,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-28 03:09:48,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2020-11-28 03:09:48,607 INFO L87 Difference]: Start difference. First operand 89 states and 96 transitions. Second operand 14 states. [2020-11-28 03:09:49,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:49,372 INFO L93 Difference]: Finished difference Result 124 states and 139 transitions. [2020-11-28 03:09:49,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-28 03:09:49,375 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 27 [2020-11-28 03:09:49,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:49,375 INFO L225 Difference]: With dead ends: 124 [2020-11-28 03:09:49,375 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:09:49,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=195, Invalid=455, Unknown=0, NotChecked=0, Total=650 [2020-11-28 03:09:49,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:09:49,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:09:49,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:09:49,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:09:49,378 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-11-28 03:09:49,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:49,378 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:09:49,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-28 03:09:49,379 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:09:49,379 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:09:49,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:09:49,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:09:50,463 INFO L270 CegarLoopResult]: At program point L18-17(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 0 ULTIMATE.start_main_~t~0) (< ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)) [2020-11-28 03:09:50,464 INFO L274 CegarLoopResult]: For program point L18-18(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:09:50,464 INFO L270 CegarLoopResult]: At program point L18-20(lines 17 22) the Hoare annotation is: (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= 0 ULTIMATE.start_main_~t~0) (<= ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)) [2020-11-28 03:09:50,464 INFO L274 CegarLoopResult]: For program point L18-21(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:09:50,464 INFO L274 CegarLoopResult]: For program point L18-24(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:09:50,464 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,465 INFO L270 CegarLoopResult]: At program point L18-26(lines 17 22) the Hoare annotation is: (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= 0 ULTIMATE.start_main_~t~0) (< ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)) [2020-11-28 03:09:50,465 INFO L274 CegarLoopResult]: For program point L18-27(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:09:50,465 INFO L270 CegarLoopResult]: At program point L18-29(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 0 ULTIMATE.start_main_~t~0) (< ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)) [2020-11-28 03:09:50,465 INFO L274 CegarLoopResult]: For program point L18-30(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:09:50,465 INFO L274 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2020-11-28 03:09:50,465 INFO L274 CegarLoopResult]: For program point L19-1(line 19) no Hoare annotation was computed. [2020-11-28 03:09:50,466 INFO L270 CegarLoopResult]: At program point L18-32(lines 17 22) the Hoare annotation is: (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= 0 ULTIMATE.start_main_~t~0) (<= ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)) [2020-11-28 03:09:50,466 INFO L274 CegarLoopResult]: For program point L19-2(line 19) no Hoare annotation was computed. [2020-11-28 03:09:50,466 INFO L274 CegarLoopResult]: For program point L18-33(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:09:50,466 INFO L274 CegarLoopResult]: For program point L19-3(line 19) no Hoare annotation was computed. [2020-11-28 03:09:50,466 INFO L274 CegarLoopResult]: For program point L19-4(line 19) no Hoare annotation was computed. [2020-11-28 03:09:50,466 INFO L274 CegarLoopResult]: For program point L19-5(line 19) no Hoare annotation was computed. [2020-11-28 03:09:50,466 INFO L274 CegarLoopResult]: For program point L18-36(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:09:50,466 INFO L274 CegarLoopResult]: For program point L19-6(line 19) no Hoare annotation was computed. [2020-11-28 03:09:50,467 INFO L274 CegarLoopResult]: For program point L19-7(line 19) no Hoare annotation was computed. [2020-11-28 03:09:50,467 INFO L270 CegarLoopResult]: At program point L18-38(lines 17 22) the Hoare annotation is: (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= 0 ULTIMATE.start_main_~t~0) (< ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)) [2020-11-28 03:09:50,467 INFO L274 CegarLoopResult]: For program point L19-8(line 19) no Hoare annotation was computed. [2020-11-28 03:09:50,467 INFO L274 CegarLoopResult]: For program point L18-39(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:09:50,467 INFO L274 CegarLoopResult]: For program point L19-9(line 19) no Hoare annotation was computed. [2020-11-28 03:09:50,467 INFO L274 CegarLoopResult]: For program point L19-10(line 19) no Hoare annotation was computed. [2020-11-28 03:09:50,467 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,468 INFO L270 CegarLoopResult]: At program point L18-41(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 0 ULTIMATE.start_main_~t~0) (< ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)) [2020-11-28 03:09:50,468 INFO L274 CegarLoopResult]: For program point L19-11(line 19) no Hoare annotation was computed. [2020-11-28 03:09:50,468 INFO L274 CegarLoopResult]: For program point L18-42(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:09:50,468 INFO L274 CegarLoopResult]: For program point L19-12(line 19) no Hoare annotation was computed. [2020-11-28 03:09:50,468 INFO L274 CegarLoopResult]: For program point L19-13(line 19) no Hoare annotation was computed. [2020-11-28 03:09:50,469 INFO L270 CegarLoopResult]: At program point L18-44(lines 17 22) the Hoare annotation is: (let ((.cse0 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))) (.cse1 (<= 0 ULTIMATE.start_main_~t~0))) (or (and .cse0 (<= 1 ULTIMATE.start_main_~tagbuf_len~0) .cse1 (<= ULTIMATE.start_main_~t~0 1)) (and .cse0 .cse1 (< ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)))) [2020-11-28 03:09:50,469 INFO L274 CegarLoopResult]: For program point L19-14(line 19) no Hoare annotation was computed. [2020-11-28 03:09:50,469 INFO L274 CegarLoopResult]: For program point L18-45(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:09:50,469 INFO L274 CegarLoopResult]: For program point L19-15(line 19) no Hoare annotation was computed. [2020-11-28 03:09:50,474 INFO L277 CegarLoopResult]: At program point L18-47(lines 17 22) the Hoare annotation is: true [2020-11-28 03:09:50,474 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:09:50,475 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,475 INFO L274 CegarLoopResult]: For program point L54(lines 54 68) no Hoare annotation was computed. [2020-11-28 03:09:50,475 INFO L274 CegarLoopResult]: For program point L54-1(lines 54 68) no Hoare annotation was computed. [2020-11-28 03:09:50,475 INFO L274 CegarLoopResult]: For program point L38(lines 38 40) no Hoare annotation was computed. [2020-11-28 03:09:50,475 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,475 INFO L274 CegarLoopResult]: For program point L55(lines 55 64) no Hoare annotation was computed. [2020-11-28 03:09:50,476 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,476 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:09:50,476 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,478 INFO L274 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2020-11-28 03:09:50,478 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,478 INFO L277 CegarLoopResult]: At program point L76(lines 24 77) the Hoare annotation is: true [2020-11-28 03:09:50,478 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,479 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,479 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,479 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:09:50,479 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,479 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,479 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,479 INFO L274 CegarLoopResult]: For program point L12-3(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,479 INFO L274 CegarLoopResult]: For program point L12-4(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,480 INFO L274 CegarLoopResult]: For program point L12-6(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,480 INFO L274 CegarLoopResult]: For program point L12-7(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,480 INFO L274 CegarLoopResult]: For program point L12-8(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,480 INFO L274 CegarLoopResult]: For program point L12-10(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,480 INFO L274 CegarLoopResult]: For program point L12-11(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,480 INFO L274 CegarLoopResult]: For program point L12-12(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,480 INFO L274 CegarLoopResult]: For program point L12-14(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,480 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-11-28 03:09:50,480 INFO L274 CegarLoopResult]: For program point L12-15(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,481 INFO L274 CegarLoopResult]: For program point L29-1(line 29) no Hoare annotation was computed. [2020-11-28 03:09:50,481 INFO L274 CegarLoopResult]: For program point L12-16(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,481 INFO L274 CegarLoopResult]: For program point L12-18(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,481 INFO L274 CegarLoopResult]: For program point L12-19(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,481 INFO L274 CegarLoopResult]: For program point L12-20(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,481 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,481 INFO L274 CegarLoopResult]: For program point L12-22(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,482 INFO L274 CegarLoopResult]: For program point L12-23(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,482 INFO L274 CegarLoopResult]: For program point L12-24(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,482 INFO L274 CegarLoopResult]: For program point L12-26(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,482 INFO L274 CegarLoopResult]: For program point L12-27(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,482 INFO L274 CegarLoopResult]: For program point L12-28(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,482 INFO L274 CegarLoopResult]: For program point L12-30(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,482 INFO L274 CegarLoopResult]: For program point L12-31(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,482 INFO L274 CegarLoopResult]: For program point L12-32(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,483 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,483 INFO L274 CegarLoopResult]: For program point L12-34(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,483 INFO L274 CegarLoopResult]: For program point L12-35(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,483 INFO L274 CegarLoopResult]: For program point L12-36(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,483 INFO L274 CegarLoopResult]: For program point L12-38(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,483 INFO L274 CegarLoopResult]: For program point L12-39(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,483 INFO L274 CegarLoopResult]: For program point L12-40(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,483 INFO L274 CegarLoopResult]: For program point L12-42(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,484 INFO L274 CegarLoopResult]: For program point L12-43(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,484 INFO L274 CegarLoopResult]: For program point L12-44(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,484 INFO L274 CegarLoopResult]: For program point L12-46(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,484 INFO L274 CegarLoopResult]: For program point L12-47(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,484 INFO L274 CegarLoopResult]: For program point L12-48(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,484 INFO L274 CegarLoopResult]: For program point L12-50(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,484 INFO L274 CegarLoopResult]: For program point L12-51(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,484 INFO L274 CegarLoopResult]: For program point L12-52(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,485 INFO L274 CegarLoopResult]: For program point L12-54(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,485 INFO L274 CegarLoopResult]: For program point L12-55(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,485 INFO L274 CegarLoopResult]: For program point L12-56(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,485 INFO L274 CegarLoopResult]: For program point L12-58(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,485 INFO L274 CegarLoopResult]: For program point L12-59(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,485 INFO L274 CegarLoopResult]: For program point L12-60(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,485 INFO L274 CegarLoopResult]: For program point L12-62(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,485 INFO L274 CegarLoopResult]: For program point L12-63(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,486 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,486 INFO L270 CegarLoopResult]: At program point L48-2(lines 48 72) the Hoare annotation is: (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 1 ULTIMATE.start_main_~tagbuf_len~0) (<= 0 ULTIMATE.start_main_~t~0) (<= ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)) [2020-11-28 03:09:50,486 INFO L274 CegarLoopResult]: For program point L48-3(lines 48 72) no Hoare annotation was computed. [2020-11-28 03:09:50,486 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:09:50,486 INFO L270 CegarLoopResult]: At program point L32-2(lines 32 44) the Hoare annotation is: (let ((.cse0 (or (= ULTIMATE.start_main_~t~0 0) (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= 0 ULTIMATE.start_main_~t~0))))) (or (and .cse0 (<= 0 ULTIMATE.start_main_~tagbuf_len~0) (<= ULTIMATE.start_main_~t~0 0)) (and .cse0 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)))) [2020-11-28 03:09:50,486 INFO L274 CegarLoopResult]: For program point L32-3(lines 32 44) no Hoare annotation was computed. [2020-11-28 03:09:50,487 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,487 INFO L274 CegarLoopResult]: For program point L49(lines 49 53) no Hoare annotation was computed. [2020-11-28 03:09:50,487 INFO L274 CegarLoopResult]: For program point L66(lines 66 68) no Hoare annotation was computed. [2020-11-28 03:09:50,487 INFO L274 CegarLoopResult]: For program point L33(lines 33 37) no Hoare annotation was computed. [2020-11-28 03:09:50,487 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:09:50,487 INFO L274 CegarLoopResult]: For program point L18(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:09:50,487 INFO L270 CegarLoopResult]: At program point L18-2(lines 17 22) the Hoare annotation is: (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= 0 ULTIMATE.start_main_~t~0) (<= ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)) [2020-11-28 03:09:50,488 INFO L274 CegarLoopResult]: For program point L18-3(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:09:50,488 INFO L274 CegarLoopResult]: For program point L18-6(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:09:50,488 INFO L270 CegarLoopResult]: At program point L18-8(lines 17 22) the Hoare annotation is: (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= 0 ULTIMATE.start_main_~t~0) (< ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)) [2020-11-28 03:09:50,488 INFO L274 CegarLoopResult]: For program point L18-9(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:09:50,488 INFO L270 CegarLoopResult]: At program point L18-11(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 0 ULTIMATE.start_main_~t~0) (< ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)) [2020-11-28 03:09:50,488 INFO L274 CegarLoopResult]: For program point L18-12(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:09:50,488 INFO L270 CegarLoopResult]: At program point L18-14(lines 17 22) the Hoare annotation is: (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= 0 ULTIMATE.start_main_~t~0) (< ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)) [2020-11-28 03:09:50,489 INFO L274 CegarLoopResult]: For program point L18-15(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:09:50,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:09:50 BoogieIcfgContainer [2020-11-28 03:09:50,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:09:50,526 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:09:50,526 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:09:50,526 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:09:50,527 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:45" (3/4) ... [2020-11-28 03:09:50,531 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:09:50,548 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-28 03:09:50,549 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:09:50,550 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:09:50,551 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:09:50,675 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c4b1ab56-1508-44e6-a268-8e1316f8c2cf/bin/uautomizer/witness.graphml [2020-11-28 03:09:50,675 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:09:50,677 INFO L168 Benchmark]: Toolchain (without parser) took 6696.08 ms. Allocated memory was 92.3 MB in the beginning and 146.8 MB in the end (delta: 54.5 MB). Free memory was 61.7 MB in the beginning and 109.7 MB in the end (delta: -48.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:50,678 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 92.3 MB. Free memory was 52.0 MB in the beginning and 51.9 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:09:50,679 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.24 ms. Allocated memory is still 92.3 MB. Free memory was 61.5 MB in the beginning and 68.9 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:50,680 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.65 ms. Allocated memory is still 92.3 MB. Free memory was 68.9 MB in the beginning and 66.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:50,680 INFO L168 Benchmark]: Boogie Preprocessor took 46.83 ms. Allocated memory is still 92.3 MB. Free memory was 66.9 MB in the beginning and 65.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:50,681 INFO L168 Benchmark]: RCFGBuilder took 884.47 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 65.1 MB in the beginning and 97.9 MB in the end (delta: -32.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:50,681 INFO L168 Benchmark]: TraceAbstraction took 5207.84 ms. Allocated memory was 121.6 MB in the beginning and 146.8 MB in the end (delta: 25.2 MB). Free memory was 97.3 MB in the beginning and 116.0 MB in the end (delta: -18.7 MB). Peak memory consumption was 75.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:50,682 INFO L168 Benchmark]: Witness Printer took 149.55 ms. Allocated memory is still 146.8 MB. Free memory was 116.0 MB in the beginning and 109.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:50,685 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 92.3 MB. Free memory was 52.0 MB in the beginning and 51.9 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 342.24 ms. Allocated memory is still 92.3 MB. Free memory was 61.5 MB in the beginning and 68.9 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.65 ms. Allocated memory is still 92.3 MB. Free memory was 68.9 MB in the beginning and 66.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.83 ms. Allocated memory is still 92.3 MB. Free memory was 66.9 MB in the beginning and 65.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 884.47 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 65.1 MB in the beginning and 97.9 MB in the end (delta: -32.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5207.84 ms. Allocated memory was 121.6 MB in the beginning and 146.8 MB in the end (delta: 25.2 MB). Free memory was 97.3 MB in the beginning and 116.0 MB in the end (delta: -18.7 MB). Peak memory consumption was 75.2 MB. Max. memory is 16.1 GB. * Witness Printer took 149.55 ms. Allocated memory is still 146.8 MB. Free memory was 116.0 MB in the beginning and 109.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 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 - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - 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 16 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (!(0 == cond) && 0 <= t) && t <= tagbuf_len - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((!(0 == cond) && 1 <= tagbuf_len) && 0 <= t) && t <= 1) || ((!(0 == cond) && 0 <= t) && t < tagbuf_len) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (1 <= cond && 0 <= t) && t < tagbuf_len - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (!(0 == cond) && 0 <= t) && t <= tagbuf_len - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (!(0 == cond) && 0 <= t) && t <= tagbuf_len - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((t == 0 || (!(0 == cond) && 0 <= t)) && 0 <= tagbuf_len) && t <= 0) || (((t == 0 || (!(0 == cond) && 0 <= t)) && 1 <= cond) && t <= tagbuf_len) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (1 <= cond && 0 <= t) && t < tagbuf_len - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (!(0 == cond) && 0 <= t) && t < tagbuf_len - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (1 <= cond && 0 <= t) && t < tagbuf_len - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (1 <= cond && 0 <= t) && t < tagbuf_len - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (!(0 == cond) && 0 <= t) && t < tagbuf_len - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (!(0 == cond) && 0 <= t) && t < tagbuf_len - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: ((1 <= cond && 1 <= tagbuf_len) && 0 <= t) && t <= tagbuf_len - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (!(0 == cond) && 0 <= t) && t < tagbuf_len - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 128 locations, 16 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.1s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 327 SDtfs, 612 SDslu, 453 SDs, 0 SdLazy, 498 SolverSat, 368 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 42 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 16 PreInvPairs, 60 NumberOfFragments, 197 HoareAnnotationTreeSize, 16 FomulaSimplifications, 1359 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 16 FomulaSimplificationsInter, 811 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 131 ConstructedInterpolants, 0 QuantifiedInterpolants, 14179 SizeOfPredicates, 8 NumberOfNonLiveVariables, 162 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 15/50 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...