./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_ff5f88b5-bbff-4441-a398-c973ef8b046d/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ff5f88b5-bbff-4441-a398-c973ef8b046d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ff5f88b5-bbff-4441-a398-c973ef8b046d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ff5f88b5-bbff-4441-a398-c973ef8b046d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/hostid.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ff5f88b5-bbff-4441-a398-c973ef8b046d/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ff5f88b5-bbff-4441-a398-c973ef8b046d/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 [2020-12-03 10:59:04,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 10:59:04,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 10:59:04,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 10:59:04,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 10:59:04,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 10:59:04,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 10:59:04,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 10:59:04,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 10:59:04,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 10:59:04,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 10:59:04,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 10:59:04,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 10:59:04,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 10:59:04,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 10:59:04,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 10:59:04,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 10:59:04,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 10:59:04,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 10:59:04,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 10:59:04,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 10:59:04,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 10:59:04,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 10:59:04,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 10:59:04,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 10:59:04,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 10:59:04,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 10:59:04,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 10:59:04,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 10:59:04,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 10:59:04,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 10:59:04,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 10:59:04,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 10:59:04,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 10:59:04,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 10:59:04,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 10:59:04,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 10:59:04,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 10:59:04,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 10:59:04,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 10:59:04,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 10:59:04,787 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ff5f88b5-bbff-4441-a398-c973ef8b046d/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-12-03 10:59:04,825 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 10:59:04,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 10:59:04,827 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 10:59:04,828 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-03 10:59:04,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 10:59:04,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 10:59:04,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 10:59:04,829 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-03 10:59:04,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 10:59:04,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 10:59:04,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 10:59:04,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 10:59:04,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 10:59:04,832 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-03 10:59:04,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 10:59:04,832 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 10:59:04,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 10:59:04,832 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-03 10:59:04,833 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-03 10:59:04,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 10:59:04,833 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-03 10:59:04,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-03 10:59:04,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 10:59:04,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 10:59:04,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 10:59:04,834 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-03 10:59:04,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 10:59:04,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 10:59:04,835 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_ff5f88b5-bbff-4441-a398-c973ef8b046d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ff5f88b5-bbff-4441-a398-c973ef8b046d/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6e96321d82dea19b0b24b62173907aded16288 [2020-12-03 10:59:05,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 10:59:05,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 10:59:05,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 10:59:05,171 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 10:59:05,177 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 10:59:05,178 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ff5f88b5-bbff-4441-a398-c973ef8b046d/bin/ukojak/../../sv-benchmarks/c/busybox-1.22.0/hostid.i [2020-12-03 10:59:05,261 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ff5f88b5-bbff-4441-a398-c973ef8b046d/bin/ukojak/data/c8c17a97d/e4e124e2db99483da648af0dd87f18ae/FLAGf7f3c63c1 [2020-12-03 10:59:05,959 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 10:59:05,959 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ff5f88b5-bbff-4441-a398-c973ef8b046d/sv-benchmarks/c/busybox-1.22.0/hostid.i [2020-12-03 10:59:05,998 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ff5f88b5-bbff-4441-a398-c973ef8b046d/bin/ukojak/data/c8c17a97d/e4e124e2db99483da648af0dd87f18ae/FLAGf7f3c63c1 [2020-12-03 10:59:06,170 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ff5f88b5-bbff-4441-a398-c973ef8b046d/bin/ukojak/data/c8c17a97d/e4e124e2db99483da648af0dd87f18ae [2020-12-03 10:59:06,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 10:59:06,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 10:59:06,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 10:59:06,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 10:59:06,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 10:59:06,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 10:59:06" (1/1) ... [2020-12-03 10:59:06,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f3beaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:59:06, skipping insertion in model container [2020-12-03 10:59:06,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 10:59:06" (1/1) ... [2020-12-03 10:59:06,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 10:59:06,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 10:59:07,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 10:59:07,115 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 10:59:07,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 10:59:07,618 INFO L208 MainTranslator]: Completed translation [2020-12-03 10:59:07,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:59:07 WrapperNode [2020-12-03 10:59:07,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 10:59:07,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 10:59:07,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 10:59:07,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 10:59:07,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:59:07" (1/1) ... [2020-12-03 10:59:07,665 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:59:07" (1/1) ... [2020-12-03 10:59:07,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 10:59:07,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 10:59:07,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 10:59:07,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 10:59:07,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:59:07" (1/1) ... [2020-12-03 10:59:07,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:59:07" (1/1) ... [2020-12-03 10:59:07,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:59:07" (1/1) ... [2020-12-03 10:59:07,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:59:07" (1/1) ... [2020-12-03 10:59:07,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:59:07" (1/1) ... [2020-12-03 10:59:07,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:59:07" (1/1) ... [2020-12-03 10:59:07,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:59:07" (1/1) ... [2020-12-03 10:59:07,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 10:59:07,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 10:59:07,810 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 10:59:07,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 10:59:07,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:59:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ff5f88b5-bbff-4441-a398-c973ef8b046d/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 [2020-12-03 10:59:07,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-03 10:59:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-03 10:59:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-12-03 10:59:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-03 10:59:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 10:59:07,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 10:59:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-12-03 10:59:07,883 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-12-03 10:59:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 10:59:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-03 10:59:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-03 10:59:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-03 10:59:08,706 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 10:59:08,706 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-12-03 10:59:08,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 10:59:08 BoogieIcfgContainer [2020-12-03 10:59:08,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 10:59:08,710 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-03 10:59:08,710 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-03 10:59:08,718 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-03 10:59:08,718 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 10:59:08" (1/1) ... [2020-12-03 10:59:08,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 10:59:08,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:08,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 41 states and 44 transitions. [2020-12-03 10:59:08,765 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2020-12-03 10:59:08,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-03 10:59:08,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:09,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:09,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:09,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2020-12-03 10:59:09,275 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-12-03 10:59:09,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-03 10:59:09,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:09,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:09,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:09,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 44 states and 48 transitions. [2020-12-03 10:59:09,396 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2020-12-03 10:59:09,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-03 10:59:09,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:09,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-03 10:59:09,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:09,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2020-12-03 10:59:09,536 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-12-03 10:59:09,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-03 10:59:09,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:09,629 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:09,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:09,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2020-12-03 10:59:09,761 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2020-12-03 10:59:09,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-03 10:59:09,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:09,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:09,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:09,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 43 states and 46 transitions. [2020-12-03 10:59:09,927 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2020-12-03 10:59:09,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-03 10:59:09,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:10,039 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:10,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:10,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 46 states and 49 transitions. [2020-12-03 10:59:10,164 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2020-12-03 10:59:10,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-03 10:59:10,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:10,280 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:10,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:10,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 49 states and 52 transitions. [2020-12-03 10:59:10,431 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2020-12-03 10:59:10,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-03 10:59:10,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:10,552 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:10,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:10,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 52 states and 55 transitions. [2020-12-03 10:59:10,726 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2020-12-03 10:59:10,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-03 10:59:10,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:10,880 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:11,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:11,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 55 states and 58 transitions. [2020-12-03 10:59:11,067 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2020-12-03 10:59:11,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-03 10:59:11,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:11,199 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:11,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:11,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 58 states and 61 transitions. [2020-12-03 10:59:11,401 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2020-12-03 10:59:11,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-03 10:59:11,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:11,560 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:11,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:11,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 61 states and 64 transitions. [2020-12-03 10:59:11,787 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2020-12-03 10:59:11,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-03 10:59:11,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:11,947 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:12,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:12,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 64 states and 67 transitions. [2020-12-03 10:59:12,216 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2020-12-03 10:59:12,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-03 10:59:12,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:12,345 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:12,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:12,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 67 states and 69 transitions. [2020-12-03 10:59:12,486 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 69 transitions. [2020-12-03 10:59:12,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-03 10:59:12,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:12,690 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-03 10:59:12,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:12,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 66 states and 68 transitions. [2020-12-03 10:59:12,784 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 68 transitions. [2020-12-03 10:59:12,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-03 10:59:12,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:12,928 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-03 10:59:12,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:12,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 65 states and 67 transitions. [2020-12-03 10:59:12,996 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 67 transitions. [2020-12-03 10:59:12,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-03 10:59:12,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:13,093 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-03 10:59:13,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:13,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 64 states and 66 transitions. [2020-12-03 10:59:13,193 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2020-12-03 10:59:13,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-03 10:59:13,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:13,304 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-03 10:59:13,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:13,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 63 states and 65 transitions. [2020-12-03 10:59:13,320 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2020-12-03 10:59:13,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-03 10:59:13,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:13,437 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-03 10:59:13,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:13,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 62 states and 64 transitions. [2020-12-03 10:59:13,493 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2020-12-03 10:59:13,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-03 10:59:13,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:13,640 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-03 10:59:13,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:13,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 61 states and 63 transitions. [2020-12-03 10:59:13,798 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2020-12-03 10:59:13,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-03 10:59:13,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:13,939 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-03 10:59:14,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:14,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 60 states and 62 transitions. [2020-12-03 10:59:14,181 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2020-12-03 10:59:14,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-03 10:59:14,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:14,280 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-03 10:59:14,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:14,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 59 states and 61 transitions. [2020-12-03 10:59:14,552 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2020-12-03 10:59:14,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-03 10:59:14,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:14,668 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-03 10:59:14,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:14,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 61 states and 65 transitions. [2020-12-03 10:59:14,734 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2020-12-03 10:59:14,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-03 10:59:14,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:14,841 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-03 10:59:14,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:14,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 63 states and 68 transitions. [2020-12-03 10:59:14,910 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2020-12-03 10:59:14,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-03 10:59:14,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:14,972 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-03 10:59:14,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:14,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 64 states and 69 transitions. [2020-12-03 10:59:14,986 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2020-12-03 10:59:14,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-03 10:59:14,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:15,078 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-03 10:59:15,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:15,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 65 states and 70 transitions. [2020-12-03 10:59:15,094 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2020-12-03 10:59:15,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-03 10:59:15,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:15,235 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-03 10:59:15,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:15,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 67 states and 74 transitions. [2020-12-03 10:59:15,391 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2020-12-03 10:59:15,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-03 10:59:15,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:15,503 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2020-12-03 10:59:15,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:15,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 66 states and 73 transitions. [2020-12-03 10:59:15,653 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions. [2020-12-03 10:59:15,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-03 10:59:15,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:15,782 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2020-12-03 10:59:16,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:16,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 72 states and 84 transitions. [2020-12-03 10:59:16,286 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2020-12-03 10:59:16,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-03 10:59:16,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:16,406 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-03 10:59:16,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:16,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 71 states and 81 transitions. [2020-12-03 10:59:16,732 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 81 transitions. [2020-12-03 10:59:16,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-03 10:59:16,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:16,888 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-12-03 10:59:17,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:17,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 74 states and 86 transitions. [2020-12-03 10:59:17,477 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 86 transitions. [2020-12-03 10:59:17,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-03 10:59:17,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:17,542 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2020-12-03 10:59:17,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:17,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2020-12-03 10:59:17,557 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2020-12-03 10:59:17,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-03 10:59:17,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:17,718 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2020-12-03 10:59:18,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:18,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 84 states and 102 transitions. [2020-12-03 10:59:18,980 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 102 transitions. [2020-12-03 10:59:18,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-03 10:59:18,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:19,044 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2020-12-03 10:59:19,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:19,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2020-12-03 10:59:19,455 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2020-12-03 10:59:19,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-03 10:59:19,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:19,545 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2020-12-03 10:59:19,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:19,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 87 states and 103 transitions. [2020-12-03 10:59:19,820 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 103 transitions. [2020-12-03 10:59:19,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-03 10:59:19,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:19,963 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-12-03 10:59:20,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:20,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 88 states and 104 transitions. [2020-12-03 10:59:20,370 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 104 transitions. [2020-12-03 10:59:20,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-03 10:59:20,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:20,465 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2020-12-03 10:59:20,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:20,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 89 states and 105 transitions. [2020-12-03 10:59:20,720 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 105 transitions. [2020-12-03 10:59:20,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-03 10:59:20,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:20,784 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2020-12-03 10:59:21,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:21,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 85 states and 97 transitions. [2020-12-03 10:59:21,066 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 97 transitions. [2020-12-03 10:59:21,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-03 10:59:21,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:21,152 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2020-12-03 10:59:22,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:22,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 95 states and 109 transitions. [2020-12-03 10:59:22,953 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2020-12-03 10:59:22,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-03 10:59:22,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:23,116 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-12-03 10:59:24,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:24,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 104 states and 122 transitions. [2020-12-03 10:59:24,901 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 122 transitions. [2020-12-03 10:59:24,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-03 10:59:24,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:25,098 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-12-03 10:59:27,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:27,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 114 states and 135 transitions. [2020-12-03 10:59:27,683 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 135 transitions. [2020-12-03 10:59:27,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-03 10:59:27,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:27,814 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-12-03 10:59:29,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:29,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 123 states and 145 transitions. [2020-12-03 10:59:29,985 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2020-12-03 10:59:29,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-03 10:59:29,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:30,220 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-12-03 10:59:32,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:32,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 131 states and 156 transitions. [2020-12-03 10:59:32,185 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 156 transitions. [2020-12-03 10:59:32,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-03 10:59:32,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:32,307 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2020-12-03 10:59:34,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:34,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 81 states and 89 transitions. [2020-12-03 10:59:34,648 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2020-12-03 10:59:34,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-03 10:59:34,648 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 44 iterations. [2020-12-03 10:59:34,656 INFO L765 CodeCheckObserver]: All specifications hold 16 specifications checked. All of them hold [2020-12-03 10:59:34,930 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 22 [2020-12-03 10:59:35,209 INFO L569 CodeCheckObserver]: Invariant with dag size 22 [2020-12-03 10:59:35,230 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-03 10:59:35,234 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-03 10:59:35,235 INFO L569 CodeCheckObserver]: Invariant with dag size 6 [2020-12-03 10:59:35,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 10:59:35 ImpRootNode [2020-12-03 10:59:35,237 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-03 10:59:35,238 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 10:59:35,238 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 10:59:35,238 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 10:59:35,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 10:59:08" (3/4) ... [2020-12-03 10:59:35,251 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-03 10:59:35,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2020-12-03 10:59:35,274 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2020-12-03 10:59:35,278 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-12-03 10:59:35,279 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-03 10:59:35,279 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-03 10:59:35,365 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ff5f88b5-bbff-4441-a398-c973ef8b046d/bin/ukojak/witness.graphml [2020-12-03 10:59:35,365 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 10:59:35,366 INFO L168 Benchmark]: Toolchain (without parser) took 29191.38 ms. Allocated memory was 96.5 MB in the beginning and 536.9 MB in the end (delta: 440.4 MB). Free memory was 60.3 MB in the beginning and 192.9 MB in the end (delta: -132.6 MB). Peak memory consumption was 306.1 MB. Max. memory is 16.1 GB. [2020-12-03 10:59:35,367 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 71.3 MB. Free memory was 29.7 MB in the beginning and 29.7 MB in the end (delta: 34.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 10:59:35,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1443.71 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 60.1 MB in the beginning and 51.6 MB in the end (delta: 8.5 MB). Peak memory consumption was 47.7 MB. Max. memory is 16.1 GB. [2020-12-03 10:59:35,368 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.28 ms. Allocated memory is still 117.4 MB. Free memory was 51.6 MB in the beginning and 48.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-03 10:59:35,369 INFO L168 Benchmark]: Boogie Preprocessor took 86.35 ms. Allocated memory is still 117.4 MB. Free memory was 48.5 MB in the beginning and 45.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 10:59:35,369 INFO L168 Benchmark]: RCFGBuilder took 899.23 ms. Allocated memory is still 117.4 MB. Free memory was 45.4 MB in the beginning and 46.6 MB in the end (delta: -1.3 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2020-12-03 10:59:35,370 INFO L168 Benchmark]: CodeCheck took 26527.74 ms. Allocated memory was 117.4 MB in the beginning and 536.9 MB in the end (delta: 419.4 MB). Free memory was 46.6 MB in the beginning and 197.1 MB in the end (delta: -150.5 MB). Peak memory consumption was 270.0 MB. Max. memory is 16.1 GB. [2020-12-03 10:59:35,371 INFO L168 Benchmark]: Witness Printer took 127.32 ms. Allocated memory is still 536.9 MB. Free memory was 197.1 MB in the beginning and 192.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 10:59:35,374 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: 25.9s, 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, 18.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10542 GetRequests, 9979 SyntacticMatches, 235 SemanticMatches, 328 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50266 ImplicationChecksByTransitivity, 19.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s 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 0.19 ms. Allocated memory is still 71.3 MB. Free memory was 29.7 MB in the beginning and 29.7 MB in the end (delta: 34.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1443.71 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 60.1 MB in the beginning and 51.6 MB in the end (delta: 8.5 MB). Peak memory consumption was 47.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.28 ms. Allocated memory is still 117.4 MB. Free memory was 51.6 MB in the beginning and 48.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 86.35 ms. Allocated memory is still 117.4 MB. Free memory was 48.5 MB in the beginning and 45.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 899.23 ms. Allocated memory is still 117.4 MB. Free memory was 45.4 MB in the beginning and 46.6 MB in the end (delta: -1.3 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. * CodeCheck took 26527.74 ms. Allocated memory was 117.4 MB in the beginning and 536.9 MB in the end (delta: 419.4 MB). Free memory was 46.6 MB in the beginning and 197.1 MB in the end (delta: -150.5 MB). Peak memory consumption was 270.0 MB. Max. memory is 16.1 GB. * Witness Printer took 127.32 ms. Allocated memory is still 536.9 MB. Free memory was 197.1 MB in the beginning and 192.9 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...