./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9bc9b010-f91f-4540-b87e-7902b210d45e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9bc9b010-f91f-4540-b87e-7902b210d45e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9bc9b010-f91f-4540-b87e-7902b210d45e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9bc9b010-f91f-4540-b87e-7902b210d45e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/hostid.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9bc9b010-f91f-4540-b87e-7902b210d45e/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9bc9b010-f91f-4540-b87e-7902b210d45e/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 0.2.0-69874e2 [2020-12-01 17:07:40,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:07:40,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:07:40,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:07:40,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:07:40,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:07:40,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:07:40,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:07:40,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:07:40,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:07:40,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:07:40,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:07:40,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:07:40,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:07:40,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:07:40,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:07:40,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:07:40,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:07:40,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:07:40,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:07:40,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:07:40,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:07:40,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:07:40,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:07:40,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:07:40,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:07:40,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:07:40,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:07:40,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:07:40,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:07:40,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:07:40,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:07:40,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:07:40,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:07:40,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:07:40,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:07:40,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:07:40,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:07:40,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:07:40,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:07:40,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:07:40,246 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9bc9b010-f91f-4540-b87e-7902b210d45e/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-12-01 17:07:40,267 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:07:40,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:07:40,268 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:07:40,268 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:07:40,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:07:40,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:07:40,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:07:40,270 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 17:07:40,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:07:40,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:07:40,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:07:40,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:07:40,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:07:40,271 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 17:07:40,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:07:40,272 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:07:40,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:07:40,273 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:07:40,273 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:07:40,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:07:40,273 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:07:40,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:07:40,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:07:40,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:07:40,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:07:40,275 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:07:40,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:07:40,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:07:40,276 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_9bc9b010-f91f-4540-b87e-7902b210d45e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9bc9b010-f91f-4540-b87e-7902b210d45e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6e96321d82dea19b0b24b62173907aded16288 [2020-12-01 17:07:40,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:07:40,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:07:40,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:07:40,560 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:07:40,567 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:07:40,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9bc9b010-f91f-4540-b87e-7902b210d45e/bin/ukojak/../../sv-benchmarks/c/busybox-1.22.0/hostid.i [2020-12-01 17:07:40,655 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9bc9b010-f91f-4540-b87e-7902b210d45e/bin/ukojak/data/859756a2b/423d7cdcc37c488386a61789ab096e0c/FLAGc0ed409e6 [2020-12-01 17:07:41,306 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:07:41,307 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9bc9b010-f91f-4540-b87e-7902b210d45e/sv-benchmarks/c/busybox-1.22.0/hostid.i [2020-12-01 17:07:41,332 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9bc9b010-f91f-4540-b87e-7902b210d45e/bin/ukojak/data/859756a2b/423d7cdcc37c488386a61789ab096e0c/FLAGc0ed409e6 [2020-12-01 17:07:41,545 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9bc9b010-f91f-4540-b87e-7902b210d45e/bin/ukojak/data/859756a2b/423d7cdcc37c488386a61789ab096e0c [2020-12-01 17:07:41,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:07:41,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:07:41,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:07:41,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:07:41,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:07:41,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:07:41" (1/1) ... [2020-12-01 17:07:41,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59595e25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:07:41, skipping insertion in model container [2020-12-01 17:07:41,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:07:41" (1/1) ... [2020-12-01 17:07:41,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:07:41,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:07:42,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:07:42,478 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:07:42,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:07:43,039 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:07:43,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:07:43 WrapperNode [2020-12-01 17:07:43,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:07:43,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:07:43,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:07:43,042 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:07:43,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:07:43" (1/1) ... [2020-12-01 17:07:43,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:07:43" (1/1) ... [2020-12-01 17:07:43,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:07:43,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:07:43,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:07:43,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:07:43,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:07:43" (1/1) ... [2020-12-01 17:07:43,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:07:43" (1/1) ... [2020-12-01 17:07:43,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:07:43" (1/1) ... [2020-12-01 17:07:43,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:07:43" (1/1) ... [2020-12-01 17:07:43,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:07:43" (1/1) ... [2020-12-01 17:07:43,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:07:43" (1/1) ... [2020-12-01 17:07:43,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:07:43" (1/1) ... [2020-12-01 17:07:43,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:07:43,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:07:43,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:07:43,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:07:43,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:07:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9bc9b010-f91f-4540-b87e-7902b210d45e/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 [2020-12-01 17:07:43,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 17:07:43,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 17:07:43,372 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-12-01 17:07:43,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 17:07:43,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:07:43,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:07:43,374 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-12-01 17:07:43,374 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-12-01 17:07:43,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:07:43,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 17:07:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 17:07:43,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:07:44,099 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:07:44,100 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-12-01 17:07:44,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:07:44 BoogieIcfgContainer [2020-12-01 17:07:44,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:07:44,103 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:07:44,103 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:07:44,114 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:07:44,114 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:07:44" (1/1) ... [2020-12-01 17:07:44,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:07:44,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:44,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 41 states and 44 transitions. [2020-12-01 17:07:44,160 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2020-12-01 17:07:44,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 17:07:44,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:44,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:44,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:44,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2020-12-01 17:07:44,554 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-12-01 17:07:44,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 17:07:44,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:44,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:44,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:44,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 44 states and 48 transitions. [2020-12-01 17:07:44,691 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2020-12-01 17:07:44,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:07:44,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:44,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:07:44,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:44,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2020-12-01 17:07:44,836 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-12-01 17:07:44,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:07:44,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:44,931 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:45,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:45,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2020-12-01 17:07:45,057 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2020-12-01 17:07:45,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:07:45,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:45,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:45,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:45,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 43 states and 46 transitions. [2020-12-01 17:07:45,209 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2020-12-01 17:07:45,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:07:45,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:45,308 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:45,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:45,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 46 states and 49 transitions. [2020-12-01 17:07:45,416 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2020-12-01 17:07:45,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:07:45,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:45,527 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:45,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:45,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 49 states and 52 transitions. [2020-12-01 17:07:45,690 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2020-12-01 17:07:45,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:07:45,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:45,800 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:45,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:45,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 52 states and 55 transitions. [2020-12-01 17:07:45,955 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2020-12-01 17:07:45,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:07:45,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:46,090 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:46,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:46,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 55 states and 58 transitions. [2020-12-01 17:07:46,282 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2020-12-01 17:07:46,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:07:46,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:46,423 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:46,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:46,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 58 states and 61 transitions. [2020-12-01 17:07:46,637 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2020-12-01 17:07:46,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:07:46,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:46,767 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:46,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:46,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 61 states and 64 transitions. [2020-12-01 17:07:46,993 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2020-12-01 17:07:46,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:07:46,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:47,145 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:47,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:47,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 64 states and 67 transitions. [2020-12-01 17:07:47,394 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2020-12-01 17:07:47,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 17:07:47,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:47,504 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:47,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:47,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 67 states and 69 transitions. [2020-12-01 17:07:47,649 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 69 transitions. [2020-12-01 17:07:47,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 17:07:47,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:47,887 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-01 17:07:47,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:47,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 66 states and 68 transitions. [2020-12-01 17:07:47,982 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 68 transitions. [2020-12-01 17:07:47,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 17:07:47,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:48,112 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-01 17:07:48,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:48,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 65 states and 67 transitions. [2020-12-01 17:07:48,182 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 67 transitions. [2020-12-01 17:07:48,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:07:48,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:48,286 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-01 17:07:48,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:48,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 64 states and 66 transitions. [2020-12-01 17:07:48,382 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2020-12-01 17:07:48,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 17:07:48,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:48,490 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-01 17:07:48,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:48,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 63 states and 65 transitions. [2020-12-01 17:07:48,505 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2020-12-01 17:07:48,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 17:07:48,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:48,630 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-01 17:07:48,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:48,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 62 states and 64 transitions. [2020-12-01 17:07:48,686 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2020-12-01 17:07:48,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 17:07:48,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:48,801 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-01 17:07:48,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:48,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 61 states and 63 transitions. [2020-12-01 17:07:48,956 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2020-12-01 17:07:48,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:07:48,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:49,079 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-01 17:07:49,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:49,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 60 states and 62 transitions. [2020-12-01 17:07:49,337 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2020-12-01 17:07:49,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:07:49,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:49,471 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-01 17:07:49,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:49,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 59 states and 61 transitions. [2020-12-01 17:07:49,726 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2020-12-01 17:07:49,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:07:49,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:49,843 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-01 17:07:49,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:49,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 61 states and 65 transitions. [2020-12-01 17:07:49,909 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2020-12-01 17:07:49,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:07:49,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:50,020 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-01 17:07:50,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:50,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 63 states and 68 transitions. [2020-12-01 17:07:50,109 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2020-12-01 17:07:50,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 17:07:50,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:50,171 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-01 17:07:50,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:50,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 64 states and 69 transitions. [2020-12-01 17:07:50,186 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2020-12-01 17:07:50,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 17:07:50,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:50,245 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-01 17:07:50,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:50,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 65 states and 70 transitions. [2020-12-01 17:07:50,260 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2020-12-01 17:07:50,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 17:07:50,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:50,379 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-01 17:07:50,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:50,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 67 states and 74 transitions. [2020-12-01 17:07:50,538 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2020-12-01 17:07:50,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 17:07:50,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:50,644 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2020-12-01 17:07:50,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:50,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 66 states and 73 transitions. [2020-12-01 17:07:50,791 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions. [2020-12-01 17:07:50,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 17:07:50,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:50,928 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2020-12-01 17:07:51,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:51,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 72 states and 84 transitions. [2020-12-01 17:07:51,387 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2020-12-01 17:07:51,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 17:07:51,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:51,511 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-01 17:07:51,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:51,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 71 states and 81 transitions. [2020-12-01 17:07:51,806 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 81 transitions. [2020-12-01 17:07:51,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 17:07:51,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:51,943 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-01 17:07:52,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:52,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 74 states and 86 transitions. [2020-12-01 17:07:52,492 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 86 transitions. [2020-12-01 17:07:52,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 17:07:52,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:52,591 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2020-12-01 17:07:52,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:52,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2020-12-01 17:07:52,611 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2020-12-01 17:07:52,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 17:07:52,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:52,771 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2020-12-01 17:07:54,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:54,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 84 states and 102 transitions. [2020-12-01 17:07:54,454 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 102 transitions. [2020-12-01 17:07:54,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 17:07:54,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:54,561 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2020-12-01 17:07:55,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:55,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2020-12-01 17:07:55,061 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2020-12-01 17:07:55,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 17:07:55,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:55,150 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2020-12-01 17:07:55,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:55,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 87 states and 103 transitions. [2020-12-01 17:07:55,549 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 103 transitions. [2020-12-01 17:07:55,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 17:07:55,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:55,729 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-12-01 17:07:56,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:56,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 88 states and 104 transitions. [2020-12-01 17:07:56,202 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 104 transitions. [2020-12-01 17:07:56,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 17:07:56,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:56,325 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2020-12-01 17:07:56,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:56,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 89 states and 105 transitions. [2020-12-01 17:07:56,757 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 105 transitions. [2020-12-01 17:07:56,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 17:07:56,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:56,837 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2020-12-01 17:07:57,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:57,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 85 states and 97 transitions. [2020-12-01 17:07:57,298 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 97 transitions. [2020-12-01 17:07:57,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 17:07:57,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:57,415 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2020-12-01 17:07:59,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:59,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 95 states and 109 transitions. [2020-12-01 17:07:59,457 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2020-12-01 17:07:59,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 17:07:59,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:59,665 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-12-01 17:08:02,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:08:02,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 104 states and 122 transitions. [2020-12-01 17:08:02,203 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 122 transitions. [2020-12-01 17:08:02,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 17:08:02,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:08:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:08:02,458 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-12-01 17:08:05,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:08:05,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 114 states and 135 transitions. [2020-12-01 17:08:05,119 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 135 transitions. [2020-12-01 17:08:05,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 17:08:05,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:08:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:08:05,219 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-12-01 17:08:07,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:08:07,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 123 states and 145 transitions. [2020-12-01 17:08:07,548 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2020-12-01 17:08:07,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 17:08:07,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:08:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:08:07,781 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-12-01 17:08:09,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:08:09,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 131 states and 156 transitions. [2020-12-01 17:08:09,689 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 156 transitions. [2020-12-01 17:08:09,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-01 17:08:09,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:08:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:08:09,838 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2020-12-01 17:08:11,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:08:11,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 81 states and 89 transitions. [2020-12-01 17:08:11,990 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2020-12-01 17:08:11,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:08:11,991 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 44 iterations. [2020-12-01 17:08:11,997 INFO L765 CodeCheckObserver]: All specifications hold 16 specifications checked. All of them hold [2020-12-01 17:08:12,269 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 22 [2020-12-01 17:08:12,502 INFO L569 CodeCheckObserver]: Invariant with dag size 22 [2020-12-01 17:08:12,513 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-01 17:08:12,514 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-01 17:08:12,515 INFO L569 CodeCheckObserver]: Invariant with dag size 6 [2020-12-01 17:08:12,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:08:12 ImpRootNode [2020-12-01 17:08:12,515 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:08:12,516 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:08:12,516 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:08:12,516 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:08:12,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:07:44" (3/4) ... [2020-12-01 17:08:12,520 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:08:12,525 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2020-12-01 17:08:12,532 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2020-12-01 17:08:12,532 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-12-01 17:08:12,533 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 17:08:12,533 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:08:12,616 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9bc9b010-f91f-4540-b87e-7902b210d45e/bin/ukojak/witness.graphml [2020-12-01 17:08:12,616 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:08:12,617 INFO L168 Benchmark]: Toolchain (without parser) took 31068.06 ms. Allocated memory was 117.4 MB in the beginning and 545.3 MB in the end (delta: 427.8 MB). Free memory was 78.4 MB in the beginning and 359.4 MB in the end (delta: -281.0 MB). Peak memory consumption was 146.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:08:12,617 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 117.4 MB. Free memory was 89.6 MB in the beginning and 89.6 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:08:12,618 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1489.05 ms. Allocated memory was 117.4 MB in the beginning and 169.9 MB in the end (delta: 52.4 MB). Free memory was 78.1 MB in the beginning and 94.2 MB in the end (delta: -16.1 MB). Peak memory consumption was 52.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:08:12,619 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.93 ms. Allocated memory is still 169.9 MB. Free memory was 94.2 MB in the beginning and 91.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:08:12,619 INFO L168 Benchmark]: Boogie Preprocessor took 92.44 ms. Allocated memory is still 169.9 MB. Free memory was 91.0 MB in the beginning and 87.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:08:12,620 INFO L168 Benchmark]: RCFGBuilder took 824.01 ms. Allocated memory is still 169.9 MB. Free memory was 87.9 MB in the beginning and 116.2 MB in the end (delta: -28.3 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:08:12,620 INFO L168 Benchmark]: CodeCheck took 28412.51 ms. Allocated memory was 169.9 MB in the beginning and 545.3 MB in the end (delta: 375.4 MB). Free memory was 116.2 MB in the beginning and 363.6 MB in the end (delta: -247.4 MB). Peak memory consumption was 129.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:08:12,621 INFO L168 Benchmark]: Witness Printer took 99.79 ms. Allocated memory is still 545.3 MB. Free memory was 363.6 MB in the beginning and 359.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:08:12,632 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: 27.8s, 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, 16.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10542 GetRequests, 9979 SyntacticMatches, 235 SemanticMatches, 328 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50266 ImplicationChecksByTransitivity, 21.7s 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 0.36 ms. Allocated memory is still 117.4 MB. Free memory was 89.6 MB in the beginning and 89.6 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1489.05 ms. Allocated memory was 117.4 MB in the beginning and 169.9 MB in the end (delta: 52.4 MB). Free memory was 78.1 MB in the beginning and 94.2 MB in the end (delta: -16.1 MB). Peak memory consumption was 52.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 142.93 ms. Allocated memory is still 169.9 MB. Free memory was 94.2 MB in the beginning and 91.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 92.44 ms. Allocated memory is still 169.9 MB. Free memory was 91.0 MB in the beginning and 87.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 824.01 ms. Allocated memory is still 169.9 MB. Free memory was 87.9 MB in the beginning and 116.2 MB in the end (delta: -28.3 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * CodeCheck took 28412.51 ms. Allocated memory was 169.9 MB in the beginning and 545.3 MB in the end (delta: 375.4 MB). Free memory was 116.2 MB in the beginning and 363.6 MB in the end (delta: -247.4 MB). Peak memory consumption was 129.0 MB. Max. memory is 16.1 GB. * Witness Printer took 99.79 ms. Allocated memory is still 545.3 MB. Free memory was 363.6 MB in the beginning and 359.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...