./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b8100c0a-549d-44d8-87e5-ec7df490c847/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b8100c0a-549d-44d8-87e5-ec7df490c847/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b8100c0a-549d-44d8-87e5-ec7df490c847/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b8100c0a-549d-44d8-87e5-ec7df490c847/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b8100c0a-549d-44d8-87e5-ec7df490c847/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b8100c0a-549d-44d8-87e5-ec7df490c847/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 32bit --witnessprinter.graph.data.programhash c14635b48a1cad23828e85d86c9c53e48c3a7731 ................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:44:21,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:44:21,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:44:21,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:44:21,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:44:21,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:44:21,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:44:21,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:44:21,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:44:21,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:44:21,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:44:21,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:44:21,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:44:21,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:44:21,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:44:21,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:44:21,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:44:21,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:44:21,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:44:21,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:44:21,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:44:21,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:44:21,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:44:21,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:44:21,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:44:21,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:44:21,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:44:21,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:44:21,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:44:21,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:44:21,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:44:21,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:44:21,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:44:21,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:44:21,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:44:21,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:44:21,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:44:21,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:44:21,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:44:21,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:44:21,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:44:21,613 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b8100c0a-549d-44d8-87e5-ec7df490c847/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2020-11-28 04:44:21,649 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:44:21,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:44:21,650 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:44:21,651 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:44:21,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:44:21,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:44:21,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:44:21,652 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:44:21,652 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:44:21,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:44:21,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:44:21,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:44:21,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:44:21,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:44:21,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:44:21,654 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 04:44:21,655 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:44:21,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:44:21,655 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:44:21,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:44:21,656 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:44:21,656 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:44:21,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:44:21,657 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:44:21,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:21,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:44:21,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:44:21,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:44:21,658 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:44:21,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:44:21,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:44:21,659 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_b8100c0a-549d-44d8-87e5-ec7df490c847/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b8100c0a-549d-44d8-87e5-ec7df490c847/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c14635b48a1cad23828e85d86c9c53e48c3a7731 [2020-11-28 04:44:21,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:21,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:21,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:21,930 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:21,931 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:21,932 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b8100c0a-549d-44d8-87e5-ec7df490c847/bin/ukojak/../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c [2020-11-28 04:44:22,028 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b8100c0a-549d-44d8-87e5-ec7df490c847/bin/ukojak/data/4075effc3/4b1dba2673554f648dfc8251b293bbe1/FLAG93bbb1049 [2020-11-28 04:44:22,530 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:22,531 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b8100c0a-549d-44d8-87e5-ec7df490c847/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c [2020-11-28 04:44:22,554 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b8100c0a-549d-44d8-87e5-ec7df490c847/bin/ukojak/data/4075effc3/4b1dba2673554f648dfc8251b293bbe1/FLAG93bbb1049 [2020-11-28 04:44:22,905 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b8100c0a-549d-44d8-87e5-ec7df490c847/bin/ukojak/data/4075effc3/4b1dba2673554f648dfc8251b293bbe1 [2020-11-28 04:44:22,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:22,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:22,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:22,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:22,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:22,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e11ff96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22, skipping insertion in model container [2020-11-28 04:44:22,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:22,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:23,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:23,241 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:44:23,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:23,310 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:44:23,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:23 WrapperNode [2020-11-28 04:44:23,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:23,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:23,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:44:23,317 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:44:23,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:23" (1/1) ... [2020-11-28 04:44:23,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:23" (1/1) ... [2020-11-28 04:44:23,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:23,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:44:23,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:44:23,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:44:23,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:23" (1/1) ... [2020-11-28 04:44:23,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:23" (1/1) ... [2020-11-28 04:44:23,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:23" (1/1) ... [2020-11-28 04:44:23,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:23" (1/1) ... [2020-11-28 04:44:23,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:23" (1/1) ... [2020-11-28 04:44:23,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:23" (1/1) ... [2020-11-28 04:44:23,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:23" (1/1) ... [2020-11-28 04:44:23,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:44:23,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:44:23,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:44:23,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:44:23,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8100c0a-549d-44d8-87e5-ec7df490c847/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:23,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:44:23,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:44:23,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:44:23,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:44:23,643 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-28 04:44:24,360 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2020-11-28 04:44:24,361 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2020-11-28 04:44:24,889 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:44:24,889 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 04:44:24,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:24 BoogieIcfgContainer [2020-11-28 04:44:24,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:44:24,893 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:44:24,893 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:44:24,903 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:44:24,903 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:24" (1/1) ... [2020-11-28 04:44:24,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:44:24,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:24,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 86 states and 147 transitions. [2020-11-28 04:44:24,949 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 147 transitions. [2020-11-28 04:44:24,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:44:24,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:25,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:25,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:25,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 88 states and 148 transitions. [2020-11-28 04:44:25,201 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 148 transitions. [2020-11-28 04:44:25,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:44:25,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:25,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:44:25,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:25,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 87 states and 147 transitions. [2020-11-28 04:44:25,311 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 147 transitions. [2020-11-28 04:44:25,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:44:25,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:25,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:44:25,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:25,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 86 states and 146 transitions. [2020-11-28 04:44:25,477 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 146 transitions. [2020-11-28 04:44:25,478 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:44:25,479 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2020-11-28 04:44:25,487 INFO L765 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2020-11-28 04:44:25,597 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:25,601 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:25,601 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:25,602 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:25,602 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:25,602 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:25,602 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:25,603 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:25,603 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:25,603 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:25,603 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:25,603 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:25,603 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:25,604 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:25,604 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:25,604 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:25,605 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:25,605 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:25,605 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:25,605 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:25,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:44:25 ImpRootNode [2020-11-28 04:44:25,606 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:44:25,607 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:44:25,607 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:44:25,607 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:44:25,608 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:24" (3/4) ... [2020-11-28 04:44:25,611 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:44:25,640 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2020-11-28 04:44:25,642 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:44:25,643 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:44:25,644 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:44:25,817 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b8100c0a-549d-44d8-87e5-ec7df490c847/bin/ukojak/witness.graphml [2020-11-28 04:44:25,817 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:44:25,819 INFO L168 Benchmark]: Toolchain (without parser) took 2905.91 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 61.2 MB in the beginning and 83.9 MB in the end (delta: -22.7 MB). Peak memory consumption was 36.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:25,819 INFO L168 Benchmark]: CDTParser took 1.12 ms. Allocated memory is still 92.3 MB. Free memory was 51.5 MB in the beginning and 51.4 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:25,820 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.09 ms. Allocated memory is still 92.3 MB. Free memory was 61.0 MB in the beginning and 65.9 MB in the end (delta: -4.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:25,820 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.63 ms. Allocated memory is still 92.3 MB. Free memory was 65.9 MB in the beginning and 63.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:25,821 INFO L168 Benchmark]: Boogie Preprocessor took 59.31 ms. Allocated memory is still 92.3 MB. Free memory was 63.4 MB in the beginning and 61.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:25,821 INFO L168 Benchmark]: RCFGBuilder took 1442.82 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 61.3 MB in the beginning and 56.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 37.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:25,822 INFO L168 Benchmark]: CodeCheck took 713.74 ms. Allocated memory is still 111.1 MB. Free memory was 56.3 MB in the beginning and 52.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:25,822 INFO L168 Benchmark]: Witness Printer took 210.01 ms. Allocated memory is still 111.1 MB. Free memory was 52.0 MB in the beginning and 83.9 MB in the end (delta: -31.9 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:25,825 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 1 procedures, 86 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.5s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 172 SDtfs, 14 SDslu, 8 SDs, 0 SdLazy, 62 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 420 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 1019 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 4/4 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: 276]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 276]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12 ms. Allocated memory is still 92.3 MB. Free memory was 51.5 MB in the beginning and 51.4 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 399.09 ms. Allocated memory is still 92.3 MB. Free memory was 61.0 MB in the beginning and 65.9 MB in the end (delta: -4.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.63 ms. Allocated memory is still 92.3 MB. Free memory was 65.9 MB in the beginning and 63.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.31 ms. Allocated memory is still 92.3 MB. Free memory was 63.4 MB in the beginning and 61.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1442.82 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 61.3 MB in the beginning and 56.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 37.4 MB. Max. memory is 16.1 GB. * CodeCheck took 713.74 ms. Allocated memory is still 111.1 MB. Free memory was 56.3 MB in the beginning and 52.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. * Witness Printer took 210.01 ms. Allocated memory is still 111.1 MB. Free memory was 52.0 MB in the beginning and 83.9 MB in the end (delta: -31.9 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...