./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/hostid.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_405d759d-01a7-4677-90e7-e29a370185c9/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_405d759d-01a7-4677-90e7-e29a370185c9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_405d759d-01a7-4677-90e7-e29a370185c9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_405d759d-01a7-4677-90e7-e29a370185c9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/hostid.i -s /tmp/vcloud-vcloud-master/worker/run_dir_405d759d-01a7-4677-90e7-e29a370185c9/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_405d759d-01a7-4677-90e7-e29a370185c9/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3b6e96321d82dea19b0b24b62173907aded16288 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 21:20:47,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:20:47,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:20:47,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:20:47,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:20:47,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:20:47,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:20:47,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:20:47,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:20:47,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:20:47,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:20:47,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:20:47,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:20:47,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:20:47,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:20:47,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:20:47,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:20:47,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:20:47,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:20:47,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:20:47,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:20:47,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:20:47,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:20:47,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:20:47,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:20:47,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:20:47,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:20:47,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:20:47,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:20:47,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:20:47,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:20:47,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:20:47,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:20:47,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:20:47,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:20:47,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:20:47,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:20:47,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:20:47,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:20:47,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:20:47,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:20:47,185 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_405d759d-01a7-4677-90e7-e29a370185c9/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-11-29 21:20:47,219 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:20:47,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:20:47,221 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 21:20:47,222 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 21:20:47,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:20:47,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:20:47,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:20:47,223 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 21:20:47,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:20:47,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:20:47,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:20:47,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:20:47,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:20:47,226 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-29 21:20:47,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:20:47,227 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:20:47,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:20:47,227 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 21:20:47,228 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 21:20:47,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:20:47,228 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:20:47,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 21:20:47,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:20:47,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:20:47,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:20:47,229 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 21:20:47,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:20:47,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:20:47,230 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_405d759d-01a7-4677-90e7-e29a370185c9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_405d759d-01a7-4677-90e7-e29a370185c9/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6e96321d82dea19b0b24b62173907aded16288 [2020-11-29 21:20:47,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:20:47,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:20:47,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:20:47,523 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:20:47,526 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:20:47,527 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_405d759d-01a7-4677-90e7-e29a370185c9/bin/ukojak/../../sv-benchmarks/c/busybox-1.22.0/hostid.i [2020-11-29 21:20:47,605 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_405d759d-01a7-4677-90e7-e29a370185c9/bin/ukojak/data/a48f03d86/874f124109c44e0da1d4be4a4f81cf18/FLAG44ab74a0c [2020-11-29 21:20:48,334 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:20:48,335 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_405d759d-01a7-4677-90e7-e29a370185c9/sv-benchmarks/c/busybox-1.22.0/hostid.i [2020-11-29 21:20:48,373 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_405d759d-01a7-4677-90e7-e29a370185c9/bin/ukojak/data/a48f03d86/874f124109c44e0da1d4be4a4f81cf18/FLAG44ab74a0c [2020-11-29 21:20:48,458 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_405d759d-01a7-4677-90e7-e29a370185c9/bin/ukojak/data/a48f03d86/874f124109c44e0da1d4be4a4f81cf18 [2020-11-29 21:20:48,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:20:48,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:20:48,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:20:48,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:20:48,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:20:48,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:20:48" (1/1) ... [2020-11-29 21:20:48,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c0c322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:20:48, skipping insertion in model container [2020-11-29 21:20:48,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:20:48" (1/1) ... [2020-11-29 21:20:48,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:20:48,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:20:49,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:20:49,533 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:20:49,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:20:50,057 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:20:50,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:20:50 WrapperNode [2020-11-29 21:20:50,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:20:50,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:20:50,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:20:50,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:20:50,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:20:50" (1/1) ... [2020-11-29 21:20:50,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:20:50" (1/1) ... [2020-11-29 21:20:50,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:20:50,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:20:50,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:20:50,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:20:50,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:20:50" (1/1) ... [2020-11-29 21:20:50,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:20:50" (1/1) ... [2020-11-29 21:20:50,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:20:50" (1/1) ... [2020-11-29 21:20:50,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:20:50" (1/1) ... [2020-11-29 21:20:50,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:20:50" (1/1) ... [2020-11-29 21:20:50,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:20:50" (1/1) ... [2020-11-29 21:20:50,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:20:50" (1/1) ... [2020-11-29 21:20:50,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:20:50,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:20:50,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:20:50,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:20:50,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:20:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_405d759d-01a7-4677-90e7-e29a370185c9/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 21:20:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 21:20:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 21:20:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-11-29 21:20:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 21:20:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:20:50,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:20:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-29 21:20:50,303 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-29 21:20:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:20:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 21:20:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 21:20:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 21:20:51,150 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:20:51,150 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-29 21:20:51,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:20:51 BoogieIcfgContainer [2020-11-29 21:20:51,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:20:51,153 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 21:20:51,153 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 21:20:51,164 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 21:20:51,164 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:20:51" (1/1) ... [2020-11-29 21:20:51,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:20:51,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:51,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 41 states and 44 transitions. [2020-11-29 21:20:51,212 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2020-11-29 21:20:51,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-29 21:20:51,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:51,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:20:51,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:51,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2020-11-29 21:20:51,631 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-11-29 21:20:51,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-29 21:20:51,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:51,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:20:51,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:51,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 44 states and 48 transitions. [2020-11-29 21:20:51,771 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2020-11-29 21:20:51,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 21:20:51,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:51,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 21:20:51,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:51,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2020-11-29 21:20:51,912 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-11-29 21:20:51,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-29 21:20:51,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:52,005 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:20:52,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:52,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2020-11-29 21:20:52,125 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2020-11-29 21:20:52,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 21:20:52,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:52,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:20:52,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:52,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 43 states and 46 transitions. [2020-11-29 21:20:52,272 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2020-11-29 21:20:52,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 21:20:52,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:52,398 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:20:52,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:52,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 46 states and 49 transitions. [2020-11-29 21:20:52,541 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2020-11-29 21:20:52,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 21:20:52,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:52,647 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:20:52,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:52,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 49 states and 52 transitions. [2020-11-29 21:20:52,803 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2020-11-29 21:20:52,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 21:20:52,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:52,935 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:20:53,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:53,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 52 states and 55 transitions. [2020-11-29 21:20:53,099 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2020-11-29 21:20:53,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 21:20:53,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:53,234 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:20:53,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:53,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 55 states and 58 transitions. [2020-11-29 21:20:53,445 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2020-11-29 21:20:53,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 21:20:53,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:53,570 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:20:53,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:53,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 58 states and 61 transitions. [2020-11-29 21:20:53,804 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2020-11-29 21:20:53,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 21:20:53,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:53,971 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:20:54,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:54,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 61 states and 64 transitions. [2020-11-29 21:20:54,237 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2020-11-29 21:20:54,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 21:20:54,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:54,378 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:20:54,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:54,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 64 states and 67 transitions. [2020-11-29 21:20:54,678 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2020-11-29 21:20:54,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 21:20:54,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:54,780 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:20:54,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:54,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 67 states and 69 transitions. [2020-11-29 21:20:54,937 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 69 transitions. [2020-11-29 21:20:54,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 21:20:54,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:55,138 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-29 21:20:55,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:55,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 66 states and 68 transitions. [2020-11-29 21:20:55,246 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 68 transitions. [2020-11-29 21:20:55,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 21:20:55,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:55,370 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-29 21:20:55,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:55,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 65 states and 67 transitions. [2020-11-29 21:20:55,432 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 67 transitions. [2020-11-29 21:20:55,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 21:20:55,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:55,520 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-29 21:20:55,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:55,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 64 states and 66 transitions. [2020-11-29 21:20:55,642 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2020-11-29 21:20:55,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 21:20:55,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:55,740 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-29 21:20:55,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:55,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 63 states and 65 transitions. [2020-11-29 21:20:55,757 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2020-11-29 21:20:55,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 21:20:55,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:55,901 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-29 21:20:55,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:55,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 62 states and 64 transitions. [2020-11-29 21:20:55,987 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2020-11-29 21:20:55,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-29 21:20:55,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:56,126 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-29 21:20:56,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:56,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 61 states and 63 transitions. [2020-11-29 21:20:56,291 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2020-11-29 21:20:56,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 21:20:56,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:56,423 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-29 21:20:56,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:56,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 60 states and 62 transitions. [2020-11-29 21:20:56,708 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2020-11-29 21:20:56,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 21:20:56,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:56,820 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-29 21:20:57,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:57,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 59 states and 61 transitions. [2020-11-29 21:20:57,103 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2020-11-29 21:20:57,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 21:20:57,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:57,235 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-29 21:20:57,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:57,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 61 states and 65 transitions. [2020-11-29 21:20:57,320 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2020-11-29 21:20:57,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 21:20:57,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:57,467 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-29 21:20:57,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:57,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 63 states and 68 transitions. [2020-11-29 21:20:57,556 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2020-11-29 21:20:57,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 21:20:57,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:57,613 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-29 21:20:57,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:57,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 64 states and 69 transitions. [2020-11-29 21:20:57,645 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2020-11-29 21:20:57,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 21:20:57,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:57,705 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-29 21:20:57,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:57,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 65 states and 70 transitions. [2020-11-29 21:20:57,726 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2020-11-29 21:20:57,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 21:20:57,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:57,873 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-29 21:20:58,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:58,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 67 states and 74 transitions. [2020-11-29 21:20:58,040 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2020-11-29 21:20:58,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 21:20:58,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:58,187 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2020-11-29 21:20:58,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:58,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 66 states and 73 transitions. [2020-11-29 21:20:58,375 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions. [2020-11-29 21:20:58,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 21:20:58,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:58,534 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2020-11-29 21:20:59,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:59,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 72 states and 84 transitions. [2020-11-29 21:20:59,034 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2020-11-29 21:20:59,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 21:20:59,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:59,197 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-29 21:20:59,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:20:59,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 71 states and 81 transitions. [2020-11-29 21:20:59,507 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 81 transitions. [2020-11-29 21:20:59,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 21:20:59,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:20:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:20:59,659 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-29 21:21:00,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:21:00,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 74 states and 86 transitions. [2020-11-29 21:21:00,293 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 86 transitions. [2020-11-29 21:21:00,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 21:21:00,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:21:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:21:00,352 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2020-11-29 21:21:00,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:21:00,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2020-11-29 21:21:00,390 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2020-11-29 21:21:00,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 21:21:00,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:21:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:21:00,574 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2020-11-29 21:21:02,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:21:02,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 84 states and 102 transitions. [2020-11-29 21:21:02,294 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 102 transitions. [2020-11-29 21:21:02,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 21:21:02,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:21:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:21:02,352 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2020-11-29 21:21:02,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:21:02,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2020-11-29 21:21:02,882 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2020-11-29 21:21:02,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 21:21:02,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:21:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:21:02,953 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2020-11-29 21:21:03,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:21:03,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 87 states and 103 transitions. [2020-11-29 21:21:03,360 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 103 transitions. [2020-11-29 21:21:03,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 21:21:03,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:21:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:21:03,589 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-11-29 21:21:04,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:21:04,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 88 states and 104 transitions. [2020-11-29 21:21:04,069 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 104 transitions. [2020-11-29 21:21:04,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 21:21:04,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:21:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:21:04,128 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2020-11-29 21:21:04,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:21:04,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 89 states and 105 transitions. [2020-11-29 21:21:04,438 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 105 transitions. [2020-11-29 21:21:04,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 21:21:04,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:21:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:21:04,500 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2020-11-29 21:21:04,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:21:04,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 85 states and 97 transitions. [2020-11-29 21:21:04,996 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 97 transitions. [2020-11-29 21:21:04,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 21:21:04,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:21:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:21:05,082 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2020-11-29 21:21:06,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:21:06,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 95 states and 109 transitions. [2020-11-29 21:21:06,872 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2020-11-29 21:21:06,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 21:21:06,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:21:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:21:07,055 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-11-29 21:21:09,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:21:09,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 104 states and 122 transitions. [2020-11-29 21:21:09,192 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 122 transitions. [2020-11-29 21:21:09,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-29 21:21:09,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:21:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:21:09,421 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-11-29 21:21:11,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:21:11,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 114 states and 135 transitions. [2020-11-29 21:21:11,945 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 135 transitions. [2020-11-29 21:21:11,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-29 21:21:11,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:21:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:21:12,045 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-11-29 21:21:14,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:21:14,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 123 states and 145 transitions. [2020-11-29 21:21:14,393 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2020-11-29 21:21:14,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-29 21:21:14,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:21:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:21:14,779 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-11-29 21:21:16,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:21:16,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 131 states and 156 transitions. [2020-11-29 21:21:16,819 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 156 transitions. [2020-11-29 21:21:16,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-29 21:21:16,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:21:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:21:16,966 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2020-11-29 21:21:19,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:21:19,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 81 states and 89 transitions. [2020-11-29 21:21:19,615 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2020-11-29 21:21:19,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 21:21:19,616 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 44 iterations. [2020-11-29 21:21:19,622 INFO L765 CodeCheckObserver]: All specifications hold 16 specifications checked. All of them hold [2020-11-29 21:21:19,939 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 22 [2020-11-29 21:21:20,197 INFO L569 CodeCheckObserver]: Invariant with dag size 22 [2020-11-29 21:21:20,207 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-29 21:21:20,208 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-29 21:21:20,208 INFO L569 CodeCheckObserver]: Invariant with dag size 6 [2020-11-29 21:21:20,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 09:21:20 ImpRootNode [2020-11-29 21:21:20,209 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 21:21:20,210 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:21:20,210 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:21:20,210 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:21:20,211 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:20:51" (3/4) ... [2020-11-29 21:21:20,214 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 21:21:20,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2020-11-29 21:21:20,227 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2020-11-29 21:21:20,228 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-11-29 21:21:20,228 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-11-29 21:21:20,229 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:21:20,318 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_405d759d-01a7-4677-90e7-e29a370185c9/bin/ukojak/witness.graphml [2020-11-29 21:21:20,319 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:21:20,320 INFO L168 Benchmark]: Toolchain (without parser) took 31856.94 ms. Allocated memory was 90.2 MB in the beginning and 499.1 MB in the end (delta: 408.9 MB). Free memory was 58.7 MB in the beginning and 258.8 MB in the end (delta: -200.2 MB). Peak memory consumption was 207.6 MB. Max. memory is 16.1 GB. [2020-11-29 21:21:20,321 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 90.2 MB. Free memory is still 50.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:21:20,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1589.86 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 58.3 MB in the beginning and 48.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 51.8 MB. Max. memory is 16.1 GB. [2020-11-29 21:21:20,322 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.72 ms. Allocated memory is still 109.1 MB. Free memory was 48.6 MB in the beginning and 45.0 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:21:20,323 INFO L168 Benchmark]: Boogie Preprocessor took 59.15 ms. Allocated memory is still 109.1 MB. Free memory was 45.0 MB in the beginning and 42.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:21:20,323 INFO L168 Benchmark]: RCFGBuilder took 949.06 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 42.3 MB in the beginning and 95.4 MB in the end (delta: -53.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-11-29 21:21:20,324 INFO L168 Benchmark]: CodeCheck took 29056.86 ms. Allocated memory was 132.1 MB in the beginning and 499.1 MB in the end (delta: 367.0 MB). Free memory was 95.4 MB in the beginning and 263.0 MB in the end (delta: -167.6 MB). Peak memory consumption was 200.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:21:20,324 INFO L168 Benchmark]: Witness Printer took 108.71 ms. Allocated memory is still 499.1 MB. Free memory was 263.0 MB in the beginning and 258.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:21:20,326 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: 28.4s, 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, 19.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10542 GetRequests, 9979 SyntacticMatches, 235 SemanticMatches, 328 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50266 ImplicationChecksByTransitivity, 22.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.1s 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 90.2 MB. Free memory is still 50.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1589.86 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 58.3 MB in the beginning and 48.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 51.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.72 ms. Allocated memory is still 109.1 MB. Free memory was 48.6 MB in the beginning and 45.0 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.15 ms. Allocated memory is still 109.1 MB. Free memory was 45.0 MB in the beginning and 42.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 949.06 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 42.3 MB in the beginning and 95.4 MB in the end (delta: -53.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * CodeCheck took 29056.86 ms. Allocated memory was 132.1 MB in the beginning and 499.1 MB in the end (delta: 367.0 MB). Free memory was 95.4 MB in the beginning and 263.0 MB in the end (delta: -167.6 MB). Peak memory consumption was 200.4 MB. Max. memory is 16.1 GB. * Witness Printer took 108.71 ms. Allocated memory is still 499.1 MB. Free memory was 263.0 MB in the beginning and 258.8 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...