./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/cstrpbrk.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64478284-ccea-41d6-82e9-b212487ff1ea/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64478284-ccea-41d6-82e9-b212487ff1ea/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64478284-ccea-41d6-82e9-b212487ff1ea/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64478284-ccea-41d6-82e9-b212487ff1ea/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/cstrpbrk.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64478284-ccea-41d6-82e9-b212487ff1ea/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64478284-ccea-41d6-82e9-b212487ff1ea/bin/ukojak-fKGseLULKY --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 eec7850a55859668859d25c9503478e74955da1a .......................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 04:59:12,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 04:59:12,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 04:59:12,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 04:59:12,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 04:59:12,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 04:59:12,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 04:59:12,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 04:59:12,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 04:59:12,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 04:59:12,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 04:59:12,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 04:59:12,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 04:59:12,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 04:59:12,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 04:59:12,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 04:59:12,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 04:59:12,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 04:59:12,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 04:59:12,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 04:59:12,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 04:59:12,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 04:59:12,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 04:59:12,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 04:59:12,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 04:59:12,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 04:59:12,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 04:59:12,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 04:59:12,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 04:59:12,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 04:59:12,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 04:59:12,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 04:59:12,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 04:59:12,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 04:59:12,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 04:59:12,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 04:59:12,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 04:59:12,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 04:59:12,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 04:59:12,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 04:59:12,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 04:59:12,268 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64478284-ccea-41d6-82e9-b212487ff1ea/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-13 04:59:12,315 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 04:59:12,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 04:59:12,316 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 04:59:12,316 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 04:59:12,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 04:59:12,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 04:59:12,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 04:59:12,318 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 04:59:12,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 04:59:12,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 04:59:12,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 04:59:12,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 04:59:12,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 04:59:12,322 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 04:59:12,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 04:59:12,322 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 04:59:12,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 04:59:12,323 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 04:59:12,323 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 04:59:12,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 04:59:12,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:59:12,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 04:59:12,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 04:59:12,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 04:59:12,325 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 04:59:12,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 04:59:12,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 04:59:12,325 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_64478284-ccea-41d6-82e9-b212487ff1ea/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64478284-ccea-41d6-82e9-b212487ff1ea/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eec7850a55859668859d25c9503478e74955da1a [2021-10-13 04:59:12,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 04:59:12,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 04:59:12,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 04:59:12,642 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 04:59:12,644 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 04:59:12,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64478284-ccea-41d6-82e9-b212487ff1ea/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/termination-crafted-lit/cstrpbrk.c [2021-10-13 04:59:12,722 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64478284-ccea-41d6-82e9-b212487ff1ea/bin/ukojak-fKGseLULKY/data/556e36767/4f6731b3b29945be9ad536ea79dcd9fe/FLAG7c332aa01 [2021-10-13 04:59:13,251 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 04:59:13,253 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64478284-ccea-41d6-82e9-b212487ff1ea/sv-benchmarks/c/termination-crafted-lit/cstrpbrk.c [2021-10-13 04:59:13,259 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64478284-ccea-41d6-82e9-b212487ff1ea/bin/ukojak-fKGseLULKY/data/556e36767/4f6731b3b29945be9ad536ea79dcd9fe/FLAG7c332aa01 [2021-10-13 04:59:13,611 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64478284-ccea-41d6-82e9-b212487ff1ea/bin/ukojak-fKGseLULKY/data/556e36767/4f6731b3b29945be9ad536ea79dcd9fe [2021-10-13 04:59:13,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 04:59:13,615 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 04:59:13,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 04:59:13,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 04:59:13,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 04:59:13,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:59:13" (1/1) ... [2021-10-13 04:59:13,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70c48518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:59:13, skipping insertion in model container [2021-10-13 04:59:13,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:59:13" (1/1) ... [2021-10-13 04:59:13,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 04:59:13,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 04:59:13,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:59:13,864 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 04:59:13,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:59:13,892 INFO L208 MainTranslator]: Completed translation [2021-10-13 04:59:13,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:59:13 WrapperNode [2021-10-13 04:59:13,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 04:59:13,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 04:59:13,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 04:59:13,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 04:59:13,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:59:13" (1/1) ... [2021-10-13 04:59:13,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:59:13" (1/1) ... [2021-10-13 04:59:13,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 04:59:13,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 04:59:13,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 04:59:13,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 04:59:13,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:59:13" (1/1) ... [2021-10-13 04:59:13,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:59:13" (1/1) ... [2021-10-13 04:59:13,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:59:13" (1/1) ... [2021-10-13 04:59:13,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:59:13" (1/1) ... [2021-10-13 04:59:13,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:59:13" (1/1) ... [2021-10-13 04:59:13,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:59:13" (1/1) ... [2021-10-13 04:59:13,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:59:13" (1/1) ... [2021-10-13 04:59:13,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 04:59:13,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 04:59:13,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 04:59:13,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 04:59:13,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:59:13" (1/1) ... [2021-10-13 04:59:13,961 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:59:13,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64478284-ccea-41d6-82e9-b212487ff1ea/bin/ukojak-fKGseLULKY/z3 [2021-10-13 04:59:13,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64478284-ccea-41d6-82e9-b212487ff1ea/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 04:59:13,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64478284-ccea-41d6-82e9-b212487ff1ea/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 04:59:14,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 04:59:14,034 INFO L130 BoogieDeclarations]: Found specification of procedure build_nondet_String [2021-10-13 04:59:14,034 INFO L138 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2021-10-13 04:59:14,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 04:59:14,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 04:59:14,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 04:59:14,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 04:59:14,423 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 04:59:14,423 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-13 04:59:14,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:59:14 BoogieIcfgContainer [2021-10-13 04:59:14,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 04:59:14,426 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 04:59:14,426 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 04:59:14,437 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 04:59:14,438 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:59:14" (1/1) ... [2021-10-13 04:59:14,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 04:59:14,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:59:14,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2021-10-13 04:59:14,521 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2021-10-13 04:59:14,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 04:59:14,522 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:59:14,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:59:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:59:14,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:59:14,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:59:14,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2021-10-13 04:59:14,745 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2021-10-13 04:59:14,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:59:14,745 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:59:14,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:59:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:59:14,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:59:14,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:59:14,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2021-10-13 04:59:14,864 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2021-10-13 04:59:14,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 04:59:14,865 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:59:14,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:59:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:59:14,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:59:14,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:59:14,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2021-10-13 04:59:14,948 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2021-10-13 04:59:14,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 04:59:14,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:59:14,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:59:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:59:15,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:59:15,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:59:15,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2021-10-13 04:59:15,132 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2021-10-13 04:59:15,133 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 04:59:15,134 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2021-10-13 04:59:15,140 INFO L759 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-10-13 04:59:15,167 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:59:15,171 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:59:15,172 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:59:15,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:59:15 ImpRootNode [2021-10-13 04:59:15,173 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:59:15,173 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:59:15,174 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:59:15,174 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:59:15,175 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:59:14" (3/4) ... [2021-10-13 04:59:15,184 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 04:59:15,191 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure build_nondet_String [2021-10-13 04:59:15,198 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 04:59:15,199 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 04:59:15,199 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 04:59:15,248 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64478284-ccea-41d6-82e9-b212487ff1ea/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 04:59:15,248 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:59:15,250 INFO L168 Benchmark]: Toolchain (without parser) took 1633.16 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 45.4 MB in the beginning and 61.5 MB in the end (delta: -16.1 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. [2021-10-13 04:59:15,250 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 86.0 MB. Free memory is still 61.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:59:15,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.57 ms. Allocated memory is still 86.0 MB. Free memory was 45.2 MB in the beginning and 61.5 MB in the end (delta: -16.3 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2021-10-13 04:59:15,251 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.02 ms. Allocated memory is still 86.0 MB. Free memory was 61.5 MB in the beginning and 60.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:59:15,252 INFO L168 Benchmark]: Boogie Preprocessor took 24.33 ms. Allocated memory is still 86.0 MB. Free memory was 59.9 MB in the beginning and 58.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:59:15,253 INFO L168 Benchmark]: RCFGBuilder took 472.50 ms. Allocated memory is still 86.0 MB. Free memory was 58.8 MB in the beginning and 46.5 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 04:59:15,253 INFO L168 Benchmark]: CodeCheck took 746.62 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 46.4 MB in the beginning and 64.5 MB in the end (delta: -18.1 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-10-13 04:59:15,254 INFO L168 Benchmark]: Witness Printer took 74.55 ms. Allocated memory is still 104.9 MB. Free memory was 64.1 MB in the beginning and 61.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:59:15,257 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, 23 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 667.6ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 40 SDtfs, 42 SDslu, 0 SDs, 0 SdLazy, 146 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 120.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 150.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 18.1ms SsaConstructionTime, 78.9ms SatisfiabilityAnalysisTime, 181.3ms InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 40 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 86.0 MB. Free memory is still 61.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 276.57 ms. Allocated memory is still 86.0 MB. Free memory was 45.2 MB in the beginning and 61.5 MB in the end (delta: -16.3 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.02 ms. Allocated memory is still 86.0 MB. Free memory was 61.5 MB in the beginning and 60.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.33 ms. Allocated memory is still 86.0 MB. Free memory was 59.9 MB in the beginning and 58.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 472.50 ms. Allocated memory is still 86.0 MB. Free memory was 58.8 MB in the beginning and 46.5 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 746.62 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 46.4 MB in the beginning and 64.5 MB in the end (delta: -18.1 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. * Witness Printer took 74.55 ms. Allocated memory is still 104.9 MB. Free memory was 64.1 MB in the beginning and 61.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-13 04:59:15,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64478284-ccea-41d6-82e9-b212487ff1ea/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...