./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/hostid.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cb371812-d4a5-4e68-8002-3e2d64493a86/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cb371812-d4a5-4e68-8002-3e2d64493a86/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cb371812-d4a5-4e68-8002-3e2d64493a86/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cb371812-d4a5-4e68-8002-3e2d64493a86/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/hostid.i -s /tmp/vcloud-vcloud-master/worker/run_dir_cb371812-d4a5-4e68-8002-3e2d64493a86/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cb371812-d4a5-4e68-8002-3e2d64493a86/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3b6e96321d82dea19b0b24b62173907aded16288 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 04:37:55,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:37:55,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:37:55,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:37:55,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:37:55,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:37:55,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:37:55,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:37:55,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:37:55,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:37:55,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:37:55,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:37:55,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:37:55,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:37:55,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:37:55,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:37:55,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:37:55,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:37:55,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:37:55,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:37:55,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:37:55,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:37:55,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:37:55,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:37:55,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:37:55,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:37:55,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:37:55,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:37:55,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:37:55,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:37:55,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:37:55,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:37:55,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:37:55,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:37:55,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:37:55,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:37:55,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:37:55,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:37:55,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:37:55,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:37:55,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:37:55,410 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cb371812-d4a5-4e68-8002-3e2d64493a86/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-11-28 04:37:55,461 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:37:55,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:37:55,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:37:55,463 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:37:55,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:37:55,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:37:55,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:37:55,464 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:37:55,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:37:55,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:37:55,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:37:55,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:37:55,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:37:55,467 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 04:37:55,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:37:55,467 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:37:55,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:37:55,467 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:37:55,468 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:37:55,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:37:55,468 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:37:55,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:37:55,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:37:55,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:37:55,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:37:55,469 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:37:55,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:37:55,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:37:55,470 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_cb371812-d4a5-4e68-8002-3e2d64493a86/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cb371812-d4a5-4e68-8002-3e2d64493a86/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6e96321d82dea19b0b24b62173907aded16288 [2020-11-28 04:37:55,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:37:55,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:37:55,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:37:55,779 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:37:55,780 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:37:55,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cb371812-d4a5-4e68-8002-3e2d64493a86/bin/ukojak/../../sv-benchmarks/c/busybox-1.22.0/hostid.i [2020-11-28 04:37:55,870 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb371812-d4a5-4e68-8002-3e2d64493a86/bin/ukojak/data/164d644bc/d230041ae5954b7e968885cb216b6957/FLAG537013a99 [2020-11-28 04:37:56,556 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:37:56,557 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cb371812-d4a5-4e68-8002-3e2d64493a86/sv-benchmarks/c/busybox-1.22.0/hostid.i [2020-11-28 04:37:56,581 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb371812-d4a5-4e68-8002-3e2d64493a86/bin/ukojak/data/164d644bc/d230041ae5954b7e968885cb216b6957/FLAG537013a99 [2020-11-28 04:37:56,711 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cb371812-d4a5-4e68-8002-3e2d64493a86/bin/ukojak/data/164d644bc/d230041ae5954b7e968885cb216b6957 [2020-11-28 04:37:56,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:37:56,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:37:56,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:37:56,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:37:56,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:37:56,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:37:56" (1/1) ... [2020-11-28 04:37:56,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32718c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:56, skipping insertion in model container [2020-11-28 04:37:56,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:37:56" (1/1) ... [2020-11-28 04:37:56,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:37:56,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:37:57,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:37:57,721 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:37:57,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:37:58,196 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:37:58,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:58 WrapperNode [2020-11-28 04:37:58,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:37:58,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:37:58,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:37:58,198 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:37:58,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:58" (1/1) ... [2020-11-28 04:37:58,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:58" (1/1) ... [2020-11-28 04:37:58,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:37:58,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:37:58,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:37:58,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:37:58,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:58" (1/1) ... [2020-11-28 04:37:58,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:58" (1/1) ... [2020-11-28 04:37:58,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:58" (1/1) ... [2020-11-28 04:37:58,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:58" (1/1) ... [2020-11-28 04:37:58,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:58" (1/1) ... [2020-11-28 04:37:58,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:58" (1/1) ... [2020-11-28 04:37:58,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:58" (1/1) ... [2020-11-28 04:37:58,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:37:58,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:37:58,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:37:58,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:37:58,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb371812-d4a5-4e68-8002-3e2d64493a86/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2020-11-28 04:37:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:37:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 04:37:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-11-28 04:37:58,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-28 04:37:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:37:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:37:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-28 04:37:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-28 04:37:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:37:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-28 04:37:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 04:37:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:37:59,456 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:37:59,456 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-28 04:37:59,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:37:59 BoogieIcfgContainer [2020-11-28 04:37:59,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:37:59,459 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:37:59,460 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:37:59,470 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:37:59,470 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:37:59" (1/1) ... [2020-11-28 04:37:59,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:37:59,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:59,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 41 states and 44 transitions. [2020-11-28 04:37:59,530 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2020-11-28 04:37:59,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-28 04:37:59,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:59,931 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 04:37:59,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:59,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2020-11-28 04:37:59,994 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-11-28 04:37:59,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:37:59,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:00,098 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 04:38:00,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:00,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 44 states and 48 transitions. [2020-11-28 04:38:00,122 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2020-11-28 04:38:00,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:38:00,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:00,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:38:00,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:00,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2020-11-28 04:38:00,287 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-11-28 04:38:00,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:38:00,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:00,394 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:00,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:00,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2020-11-28 04:38:00,561 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2020-11-28 04:38:00,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:38:00,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:00,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:00,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:00,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 43 states and 46 transitions. [2020-11-28 04:38:00,741 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2020-11-28 04:38:00,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:38:00,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:00,881 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:01,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:01,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 46 states and 49 transitions. [2020-11-28 04:38:01,052 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2020-11-28 04:38:01,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 04:38:01,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:01,181 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:01,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:01,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 49 states and 52 transitions. [2020-11-28 04:38:01,380 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2020-11-28 04:38:01,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:38:01,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:01,503 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:01,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:01,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 52 states and 55 transitions. [2020-11-28 04:38:01,703 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2020-11-28 04:38:01,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:38:01,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:01,871 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:02,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:02,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 55 states and 58 transitions. [2020-11-28 04:38:02,132 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2020-11-28 04:38:02,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:38:02,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:02,257 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:02,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:02,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 58 states and 61 transitions. [2020-11-28 04:38:02,568 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2020-11-28 04:38:02,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:38:02,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:02,701 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:02,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:02,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 61 states and 64 transitions. [2020-11-28 04:38:02,962 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2020-11-28 04:38:02,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:38:02,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:03,123 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:03,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:03,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 64 states and 67 transitions. [2020-11-28 04:38:03,399 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2020-11-28 04:38:03,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:38:03,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:03,482 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:03,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:03,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 67 states and 69 transitions. [2020-11-28 04:38:03,645 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 69 transitions. [2020-11-28 04:38:03,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 04:38:03,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:03,836 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-28 04:38:03,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:03,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 66 states and 68 transitions. [2020-11-28 04:38:03,963 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 68 transitions. [2020-11-28 04:38:03,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 04:38:03,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:04,098 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-28 04:38:04,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:04,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 65 states and 67 transitions. [2020-11-28 04:38:04,172 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 67 transitions. [2020-11-28 04:38:04,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:38:04,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:04,289 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-28 04:38:04,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:04,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 64 states and 66 transitions. [2020-11-28 04:38:04,419 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2020-11-28 04:38:04,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:38:04,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:04,516 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-28 04:38:04,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:04,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 63 states and 65 transitions. [2020-11-28 04:38:04,533 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2020-11-28 04:38:04,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-28 04:38:04,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:04,660 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-28 04:38:04,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:04,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 62 states and 64 transitions. [2020-11-28 04:38:04,728 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2020-11-28 04:38:04,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 04:38:04,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:04,869 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-28 04:38:05,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:05,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 61 states and 63 transitions. [2020-11-28 04:38:05,055 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2020-11-28 04:38:05,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:38:05,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:05,158 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-28 04:38:05,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:05,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 60 states and 62 transitions. [2020-11-28 04:38:05,443 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2020-11-28 04:38:05,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:38:05,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:05,570 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-28 04:38:05,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:05,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 59 states and 61 transitions. [2020-11-28 04:38:05,882 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2020-11-28 04:38:05,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:38:05,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:06,003 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-28 04:38:06,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:06,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 61 states and 65 transitions. [2020-11-28 04:38:06,091 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2020-11-28 04:38:06,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:38:06,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:06,207 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-28 04:38:06,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:06,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 63 states and 68 transitions. [2020-11-28 04:38:06,301 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2020-11-28 04:38:06,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:38:06,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:06,361 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-28 04:38:06,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:06,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 64 states and 69 transitions. [2020-11-28 04:38:06,381 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2020-11-28 04:38:06,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:38:06,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:06,447 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-28 04:38:06,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:06,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 65 states and 70 transitions. [2020-11-28 04:38:06,463 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2020-11-28 04:38:06,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:38:06,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:06,589 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-28 04:38:06,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:06,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 67 states and 74 transitions. [2020-11-28 04:38:06,766 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2020-11-28 04:38:06,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:38:06,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:06,912 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2020-11-28 04:38:07,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:07,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 66 states and 73 transitions. [2020-11-28 04:38:07,107 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions. [2020-11-28 04:38:07,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:38:07,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:07,234 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2020-11-28 04:38:07,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:07,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 72 states and 84 transitions. [2020-11-28 04:38:07,793 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2020-11-28 04:38:07,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:38:07,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:07,930 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-28 04:38:08,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:08,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 71 states and 81 transitions. [2020-11-28 04:38:08,285 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 81 transitions. [2020-11-28 04:38:08,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:38:08,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:08,419 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-28 04:38:08,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:08,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 74 states and 86 transitions. [2020-11-28 04:38:08,988 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 86 transitions. [2020-11-28 04:38:08,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:38:08,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:09,047 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2020-11-28 04:38:09,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:09,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2020-11-28 04:38:09,068 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2020-11-28 04:38:09,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-28 04:38:09,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:09,260 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2020-11-28 04:38:10,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:10,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 84 states and 102 transitions. [2020-11-28 04:38:10,645 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 102 transitions. [2020-11-28 04:38:10,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-28 04:38:10,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:10,705 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2020-11-28 04:38:11,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:11,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2020-11-28 04:38:11,214 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2020-11-28 04:38:11,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-28 04:38:11,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:11,289 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2020-11-28 04:38:11,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:11,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 87 states and 103 transitions. [2020-11-28 04:38:11,632 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 103 transitions. [2020-11-28 04:38:11,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 04:38:11,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:11,788 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-11-28 04:38:12,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:12,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 88 states and 104 transitions. [2020-11-28 04:38:12,172 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 104 transitions. [2020-11-28 04:38:12,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 04:38:12,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:12,227 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2020-11-28 04:38:12,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:12,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 89 states and 105 transitions. [2020-11-28 04:38:12,527 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 105 transitions. [2020-11-28 04:38:12,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:38:12,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:12,585 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2020-11-28 04:38:12,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:12,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 85 states and 97 transitions. [2020-11-28 04:38:12,963 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 97 transitions. [2020-11-28 04:38:12,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:38:12,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:13,038 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2020-11-28 04:38:14,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:14,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 95 states and 109 transitions. [2020-11-28 04:38:14,673 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2020-11-28 04:38:14,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:38:14,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:14,863 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-11-28 04:38:17,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:17,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 104 states and 122 transitions. [2020-11-28 04:38:17,315 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 122 transitions. [2020-11-28 04:38:17,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-28 04:38:17,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:17,533 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-11-28 04:38:20,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:20,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 114 states and 135 transitions. [2020-11-28 04:38:20,027 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 135 transitions. [2020-11-28 04:38:20,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-28 04:38:20,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:20,121 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-11-28 04:38:22,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:22,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 123 states and 145 transitions. [2020-11-28 04:38:22,359 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2020-11-28 04:38:22,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-28 04:38:22,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:22,585 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-11-28 04:38:24,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:24,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 131 states and 156 transitions. [2020-11-28 04:38:24,801 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 156 transitions. [2020-11-28 04:38:24,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-28 04:38:24,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:24,936 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2020-11-28 04:38:27,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:27,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 81 states and 89 transitions. [2020-11-28 04:38:27,190 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2020-11-28 04:38:27,190 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:38:27,190 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 44 iterations. [2020-11-28 04:38:27,197 INFO L765 CodeCheckObserver]: All specifications hold 16 specifications checked. All of them hold [2020-11-28 04:38:27,534 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 22 [2020-11-28 04:38:27,772 INFO L569 CodeCheckObserver]: Invariant with dag size 22 [2020-11-28 04:38:27,784 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-28 04:38:27,784 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-28 04:38:27,785 INFO L569 CodeCheckObserver]: Invariant with dag size 6 [2020-11-28 04:38:27,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:38:27 ImpRootNode [2020-11-28 04:38:27,786 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:38:27,786 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:38:27,787 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:38:27,787 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:38:27,787 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:37:59" (3/4) ... [2020-11-28 04:38:27,791 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:38:27,796 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2020-11-28 04:38:27,802 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2020-11-28 04:38:27,803 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-11-28 04:38:27,803 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-11-28 04:38:27,805 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:38:27,881 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cb371812-d4a5-4e68-8002-3e2d64493a86/bin/ukojak/witness.graphml [2020-11-28 04:38:27,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:38:27,883 INFO L168 Benchmark]: Toolchain (without parser) took 31168.27 ms. Allocated memory was 81.8 MB in the beginning and 453.0 MB in the end (delta: 371.2 MB). Free memory was 45.7 MB in the beginning and 247.3 MB in the end (delta: -201.6 MB). Peak memory consumption was 168.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:27,883 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 81.8 MB. Free memory was 54.8 MB in the beginning and 54.7 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:38:27,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1481.03 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 45.4 MB in the beginning and 46.2 MB in the end (delta: -815.6 kB). Peak memory consumption was 31.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:27,885 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.32 ms. Allocated memory is still 98.6 MB. Free memory was 46.2 MB in the beginning and 42.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:27,885 INFO L168 Benchmark]: Boogie Preprocessor took 73.25 ms. Allocated memory is still 98.6 MB. Free memory was 42.8 MB in the beginning and 39.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:27,886 INFO L168 Benchmark]: RCFGBuilder took 1077.31 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 39.9 MB in the beginning and 88.1 MB in the end (delta: -48.2 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:27,886 INFO L168 Benchmark]: CodeCheck took 28326.55 ms. Allocated memory was 119.5 MB in the beginning and 453.0 MB in the end (delta: 333.4 MB). Free memory was 88.1 MB in the beginning and 251.5 MB in the end (delta: -163.4 MB). Peak memory consumption was 171.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:27,887 INFO L168 Benchmark]: Witness Printer took 95.25 ms. Allocated memory is still 453.0 MB. Free memory was 251.5 MB in the beginning and 247.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:27,889 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 41 locations, 16 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.6s, OverallIterations: 44, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1086324736 SDtfs, -1820001760 SDslu, 0 SDs, 0 SdLazy, -967001008 SolverSat, 178630208 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10542 GetRequests, 9979 SyntacticMatches, 235 SemanticMatches, 328 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50266 ImplicationChecksByTransitivity, 21.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 1755 NumberOfCodeBlocks, 1755 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 1712 ConstructedInterpolants, 0 QuantifiedInterpolants, 130108 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 43 InterpolantComputations, 19 PerfectInterpolantSequences, 4612/5119 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1886]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1894]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1886]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1886]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1889]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1887]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1894]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1887]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1887]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1887]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1889]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1898]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1898]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1879]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1886]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1879]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 1894]: Loop Invariant Derived loop invariant: (((((((i <= 268435453 && 1 < i) && j == 0) && argc <= 268435454) || (((1 <= i && j == 0) && argc <= 268435454) && i <= 1)) || ((i == 0 && j == 0) && argc <= 268435454)) || (((1 <= j && 1 <= i) && argc <= 268435454) && i <= 1)) || (((i <= 268435453 && 1 <= j) && 1 < i) && argc <= 268435454)) || ((1 <= j && i == 0) && argc <= 268435454) - InvariantResult [Line: 1889]: Loop Invariant Derived loop invariant: (1 <= i && argc <= 268435454) || (i == 0 && argc <= 268435454) - InvariantResult [Line: 1898]: Loop Invariant Derived loop invariant: (i == 0 && argc <= 268435454) || (1 <= i && argc <= 268435454) - InvariantResult [Line: 1879]: Loop Invariant Derived loop invariant: 1 <= i || i == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 81.8 MB. Free memory was 54.8 MB in the beginning and 54.7 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1481.03 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 45.4 MB in the beginning and 46.2 MB in the end (delta: -815.6 kB). Peak memory consumption was 31.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 109.32 ms. Allocated memory is still 98.6 MB. Free memory was 46.2 MB in the beginning and 42.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.25 ms. Allocated memory is still 98.6 MB. Free memory was 42.8 MB in the beginning and 39.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1077.31 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 39.9 MB in the beginning and 88.1 MB in the end (delta: -48.2 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. * CodeCheck took 28326.55 ms. Allocated memory was 119.5 MB in the beginning and 453.0 MB in the end (delta: 333.4 MB). Free memory was 88.1 MB in the beginning and 251.5 MB in the end (delta: -163.4 MB). Peak memory consumption was 171.0 MB. Max. memory is 16.1 GB. * Witness Printer took 95.25 ms. Allocated memory is still 453.0 MB. Free memory was 251.5 MB in the beginning and 247.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...