./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/Velroyen.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925bb5ad-2466-4061-ae1b-6607c6c94a64/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925bb5ad-2466-4061-ae1b-6607c6c94a64/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925bb5ad-2466-4061-ae1b-6607c6c94a64/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925bb5ad-2466-4061-ae1b-6607c6c94a64/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/Velroyen.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925bb5ad-2466-4061-ae1b-6607c6c94a64/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925bb5ad-2466-4061-ae1b-6607c6c94a64/bin/ukojak-Rh5K9KB4LI --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 11f033b2063743c47ba703bc5093c2c96c84ace6a8762d648c4cfb4406528a05 .......................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:24:01,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:24:01,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:24:01,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:24:01,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:24:01,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:24:01,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:24:01,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:24:01,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:24:01,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:24:01,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:24:01,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:24:01,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:24:01,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:24:01,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:24:01,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:24:01,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:24:01,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:24:01,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:24:01,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:24:01,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:24:01,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:24:01,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:24:01,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:24:01,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:24:01,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:24:01,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:24:01,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:24:01,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:24:01,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:24:01,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:24:01,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:24:01,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:24:01,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:24:01,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:24:01,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:24:01,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:24:01,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:24:01,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:24:01,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:24:01,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:24:01,220 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925bb5ad-2466-4061-ae1b-6607c6c94a64/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-29 04:24:01,247 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:24:01,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:24:01,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:24:01,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:24:01,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:24:01,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:24:01,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:24:01,249 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:24:01,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:24:01,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:24:01,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:24:01,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:24:01,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:24:01,251 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 04:24:01,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:24:01,251 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:24:01,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:24:01,251 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:24:01,252 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:24:01,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:24:01,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:24:01,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:24:01,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:24:01,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:24:01,253 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:24:01,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:24:01,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:24:01,254 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_worker_vcloud-master_on_vcloud-master/run_dir_925bb5ad-2466-4061-ae1b-6607c6c94a64/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925bb5ad-2466-4061-ae1b-6607c6c94a64/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11f033b2063743c47ba703bc5093c2c96c84ace6a8762d648c4cfb4406528a05 [2021-10-29 04:24:01,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:24:01,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:24:01,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:24:01,565 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:24:01,566 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:24:01,567 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925bb5ad-2466-4061-ae1b-6607c6c94a64/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/termination-crafted-lit/Velroyen.c [2021-10-29 04:24:01,663 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925bb5ad-2466-4061-ae1b-6607c6c94a64/bin/ukojak-Rh5K9KB4LI/data/cd38b550b/d37972e31ca349fe9926f77b1d621f2a/FLAG93f0a312e [2021-10-29 04:24:02,111 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:24:02,112 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925bb5ad-2466-4061-ae1b-6607c6c94a64/sv-benchmarks/c/termination-crafted-lit/Velroyen.c [2021-10-29 04:24:02,129 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925bb5ad-2466-4061-ae1b-6607c6c94a64/bin/ukojak-Rh5K9KB4LI/data/cd38b550b/d37972e31ca349fe9926f77b1d621f2a/FLAG93f0a312e [2021-10-29 04:24:02,525 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925bb5ad-2466-4061-ae1b-6607c6c94a64/bin/ukojak-Rh5K9KB4LI/data/cd38b550b/d37972e31ca349fe9926f77b1d621f2a [2021-10-29 04:24:02,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:24:02,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:24:02,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:24:02,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:24:02,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:24:02,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:24:02" (1/1) ... [2021-10-29 04:24:02,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28af55b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:24:02, skipping insertion in model container [2021-10-29 04:24:02,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:24:02" (1/1) ... [2021-10-29 04:24:02,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:24:02,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:24:02,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:24:02,720 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:24:02,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:24:02,753 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:24:02,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:24:02 WrapperNode [2021-10-29 04:24:02,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:24:02,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:24:02,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:24:02,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:24:02,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:24:02" (1/1) ... [2021-10-29 04:24:02,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:24:02" (1/1) ... [2021-10-29 04:24:02,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:24:02,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:24:02,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:24:02,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:24:02,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:24:02" (1/1) ... [2021-10-29 04:24:02,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:24:02" (1/1) ... [2021-10-29 04:24:02,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:24:02" (1/1) ... [2021-10-29 04:24:02,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:24:02" (1/1) ... [2021-10-29 04:24:02,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:24:02" (1/1) ... [2021-10-29 04:24:02,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:24:02" (1/1) ... [2021-10-29 04:24:02,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:24:02" (1/1) ... [2021-10-29 04:24:02,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:24:02,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:24:02,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:24:02,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:24:02,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:24:02" (1/1) ... [2021-10-29 04:24:02,811 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:24:02,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925bb5ad-2466-4061-ae1b-6607c6c94a64/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:24:02,838 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925bb5ad-2466-4061-ae1b-6607c6c94a64/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:24:02,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925bb5ad-2466-4061-ae1b-6607c6c94a64/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:24:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:24:02,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:24:03,025 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:24:03,025 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 04:24:03,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:24:03 BoogieIcfgContainer [2021-10-29 04:24:03,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:24:03,029 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:24:03,029 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:24:03,040 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:24:03,040 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:24:03" (1/1) ... [2021-10-29 04:24:03,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:24:03,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:24:03,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2021-10-29 04:24:03,085 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-10-29 04:24:03,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:24:03,086 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:24:03,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:24:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:24:03,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:24:03,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:24:03,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2021-10-29 04:24:03,332 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2021-10-29 04:24:03,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 04:24:03,332 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:24:03,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:24:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:24:03,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:24:03,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:24:03,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 8 states and 11 transitions. [2021-10-29 04:24:03,444 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 11 transitions. [2021-10-29 04:24:03,444 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:24:03,445 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2021-10-29 04:24:03,451 INFO L759 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2021-10-29 04:24:03,503 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:24:03,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:24:03 ImpRootNode [2021-10-29 04:24:03,507 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:24:03,508 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:24:03,508 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:24:03,509 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:24:03,509 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:24:03" (3/4) ... [2021-10-29 04:24:03,512 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:24:03,521 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 04:24:03,521 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-29 04:24:03,521 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:24:03,608 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925bb5ad-2466-4061-ae1b-6607c6c94a64/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:24:03,608 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:24:03,610 INFO L168 Benchmark]: Toolchain (without parser) took 1078.91 ms. Allocated memory is still 94.4 MB. Free memory was 61.0 MB in the beginning and 44.7 MB in the end (delta: 16.3 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-10-29 04:24:03,610 INFO L168 Benchmark]: CDTParser took 1.48 ms. Allocated memory is still 94.4 MB. Free memory was 64.9 MB in the beginning and 64.9 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:24:03,611 INFO L168 Benchmark]: CACSL2BoogieTranslator took 219.46 ms. Allocated memory is still 94.4 MB. Free memory was 60.8 MB in the beginning and 72.0 MB in the end (delta: -11.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:24:03,612 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.19 ms. Allocated memory is still 94.4 MB. Free memory was 72.0 MB in the beginning and 71.1 MB in the end (delta: 904.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:24:03,613 INFO L168 Benchmark]: Boogie Preprocessor took 19.90 ms. Allocated memory is still 94.4 MB. Free memory was 71.1 MB in the beginning and 69.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:24:03,613 INFO L168 Benchmark]: RCFGBuilder took 229.91 ms. Allocated memory is still 94.4 MB. Free memory was 69.9 MB in the beginning and 61.6 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:24:03,614 INFO L168 Benchmark]: CodeCheck took 478.84 ms. Allocated memory is still 94.4 MB. Free memory was 61.1 MB in the beginning and 46.8 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:24:03,615 INFO L168 Benchmark]: Witness Printer took 99.68 ms. Allocated memory is still 94.4 MB. Free memory was 46.8 MB in the beginning and 44.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:24:03,626 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, 10 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 16 SDtfs, 18 SDslu, 0 SDs, 0 SdLazy, 62 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: 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: 14]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.48 ms. Allocated memory is still 94.4 MB. Free memory was 64.9 MB in the beginning and 64.9 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 219.46 ms. Allocated memory is still 94.4 MB. Free memory was 60.8 MB in the beginning and 72.0 MB in the end (delta: -11.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 22.19 ms. Allocated memory is still 94.4 MB. Free memory was 72.0 MB in the beginning and 71.1 MB in the end (delta: 904.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.90 ms. Allocated memory is still 94.4 MB. Free memory was 71.1 MB in the beginning and 69.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 229.91 ms. Allocated memory is still 94.4 MB. Free memory was 69.9 MB in the beginning and 61.6 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 478.84 ms. Allocated memory is still 94.4 MB. Free memory was 61.1 MB in the beginning and 46.8 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Witness Printer took 99.68 ms. Allocated memory is still 94.4 MB. Free memory was 46.8 MB in the beginning and 44.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 04:24:03,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925bb5ad-2466-4061-ae1b-6607c6c94a64/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...