./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1da9ef-daf6-46e2-8da2-5735d66e4ae4/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1da9ef-daf6-46e2-8da2-5735d66e4ae4/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1da9ef-daf6-46e2-8da2-5735d66e4ae4/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1da9ef-daf6-46e2-8da2-5735d66e4ae4/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1da9ef-daf6-46e2-8da2-5735d66e4ae4/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1da9ef-daf6-46e2-8da2-5735d66e4ae4/bin/ukojak-pZX7IvK2PQ --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 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:05:18,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:05:18,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:05:18,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:05:18,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:05:18,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:05:18,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:05:18,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:05:18,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:05:18,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:05:18,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:05:18,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:05:18,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:05:18,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:05:18,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:05:18,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:05:18,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:05:18,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:05:18,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:05:18,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:05:18,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:05:18,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:05:18,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:05:18,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:05:18,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:05:18,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:05:18,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:05:18,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:05:18,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:05:18,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:05:18,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:05:18,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:05:18,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:05:18,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:05:18,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:05:18,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:05:18,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:05:18,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:05:18,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:05:18,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:05:18,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:05:18,437 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1da9ef-daf6-46e2-8da2-5735d66e4ae4/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:05:18,474 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:05:18,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:05:18,476 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:05:18,476 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:05:18,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:05:18,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:05:18,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:05:18,477 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:05:18,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:05:18,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:05:18,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:05:18,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:05:18,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:05:18,478 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:05:18,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:05:18,479 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:05:18,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:05:18,479 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:05:18,479 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:05:18,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:05:18,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:05:18,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:05:18,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:05:18,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:05:18,481 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:05:18,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:05:18,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:05:18,481 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_be1da9ef-daf6-46e2-8da2-5735d66e4ae4/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1da9ef-daf6-46e2-8da2-5735d66e4ae4/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 [2022-11-20 18:05:18,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:05:18,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:05:18,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:05:18,849 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:05:18,849 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:05:18,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1da9ef-daf6-46e2-8da2-5735d66e4ae4/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2022-11-20 18:05:21,962 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:05:22,136 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:05:22,137 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1da9ef-daf6-46e2-8da2-5735d66e4ae4/sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2022-11-20 18:05:22,144 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1da9ef-daf6-46e2-8da2-5735d66e4ae4/bin/ukojak-pZX7IvK2PQ/data/ec6483b19/45ba2776a4614316926fef9661aa3c5e/FLAG83d716960 [2022-11-20 18:05:22,162 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1da9ef-daf6-46e2-8da2-5735d66e4ae4/bin/ukojak-pZX7IvK2PQ/data/ec6483b19/45ba2776a4614316926fef9661aa3c5e [2022-11-20 18:05:22,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:05:22,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:05:22,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:05:22,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:05:22,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:05:22,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:05:22" (1/1) ... [2022-11-20 18:05:22,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11f14e68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:22, skipping insertion in model container [2022-11-20 18:05:22,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:05:22" (1/1) ... [2022-11-20 18:05:22,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:05:22,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:05:22,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:05:22,348 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:05:22,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:05:22,374 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:05:22,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:22 WrapperNode [2022-11-20 18:05:22,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:05:22,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:05:22,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:05:22,376 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:05:22,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:22" (1/1) ... [2022-11-20 18:05:22,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:22" (1/1) ... [2022-11-20 18:05:22,411 INFO L138 Inliner]: procedures = 7, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2022-11-20 18:05:22,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:05:22,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:05:22,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:05:22,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:05:22,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:22" (1/1) ... [2022-11-20 18:05:22,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:22" (1/1) ... [2022-11-20 18:05:22,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:22" (1/1) ... [2022-11-20 18:05:22,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:22" (1/1) ... [2022-11-20 18:05:22,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:22" (1/1) ... [2022-11-20 18:05:22,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:22" (1/1) ... [2022-11-20 18:05:22,431 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:22" (1/1) ... [2022-11-20 18:05:22,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:22" (1/1) ... [2022-11-20 18:05:22,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:05:22,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:05:22,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:05:22,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:05:22,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:22" (1/1) ... [2022-11-20 18:05:22,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:05:22,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1da9ef-daf6-46e2-8da2-5735d66e4ae4/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:05:22,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1da9ef-daf6-46e2-8da2-5735d66e4ae4/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:05:22,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1da9ef-daf6-46e2-8da2-5735d66e4ae4/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:05:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:05:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:05:22,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:05:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:05:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:05:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:05:22,588 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:05:22,590 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:05:22,755 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:05:22,816 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:05:22,817 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 18:05:22,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:05:22 BoogieIcfgContainer [2022-11-20 18:05:22,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:05:22,821 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:05:22,821 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:05:22,832 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:05:22,833 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:05:22" (1/1) ... [2022-11-20 18:05:22,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:05:22,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:05:22,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 5 states and 6 transitions. [2022-11-20 18:05:22,900 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 6 transitions. [2022-11-20 18:05:22,903 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:05:22,903 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2022-11-20 18:05:22,909 INFO L754 CodeCheckObserver]: All specifications hold We were not able to verify any specification because the program does not contain any specification. [2022-11-20 18:05:22,922 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:05:22,927 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:05:22,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:05:22 ImpRootNode [2022-11-20 18:05:22,928 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:05:22,929 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:05:22,929 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:05:22,929 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:05:22,930 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:05:22" (3/4) ... [2022-11-20 18:05:22,933 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:05:22,944 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-20 18:05:22,944 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 18:05:22,944 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 18:05:22,944 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:05:22,989 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1da9ef-daf6-46e2-8da2-5735d66e4ae4/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:05:22,989 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:05:22,990 INFO L158 Benchmark]: Toolchain (without parser) took 823.61ms. Allocated memory is still 159.4MB. Free memory was 119.2MB in the beginning and 84.4MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-20 18:05:22,991 INFO L158 Benchmark]: CDTParser took 1.55ms. Allocated memory is still 159.4MB. Free memory is still 134.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:05:22,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.47ms. Allocated memory is still 159.4MB. Free memory was 119.2MB in the beginning and 109.6MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:05:22,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.16ms. Allocated memory is still 159.4MB. Free memory was 109.6MB in the beginning and 108.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:05:22,993 INFO L158 Benchmark]: Boogie Preprocessor took 21.61ms. Allocated memory is still 159.4MB. Free memory was 108.1MB in the beginning and 106.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:05:22,994 INFO L158 Benchmark]: RCFGBuilder took 385.75ms. Allocated memory is still 159.4MB. Free memory was 106.8MB in the beginning and 92.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 18:05:22,994 INFO L158 Benchmark]: CodeCheck took 107.52ms. Allocated memory is still 159.4MB. Free memory was 91.5MB in the beginning and 86.5MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 18:05:22,995 INFO L158 Benchmark]: Witness Printer took 60.44ms. Allocated memory is still 159.4MB. Free memory was 86.5MB in the beginning and 84.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:05:22,999 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, 5 locations, 0 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, 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 - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.55ms. Allocated memory is still 159.4MB. Free memory is still 134.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.47ms. Allocated memory is still 159.4MB. Free memory was 119.2MB in the beginning and 109.6MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.16ms. Allocated memory is still 159.4MB. Free memory was 109.6MB in the beginning and 108.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.61ms. Allocated memory is still 159.4MB. Free memory was 108.1MB in the beginning and 106.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 385.75ms. Allocated memory is still 159.4MB. Free memory was 106.8MB in the beginning and 92.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 107.52ms. Allocated memory is still 159.4MB. Free memory was 91.5MB in the beginning and 86.5MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 60.44ms. Allocated memory is still 159.4MB. Free memory was 86.5MB in the beginning and 84.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 18:05:23,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1da9ef-daf6-46e2-8da2-5735d66e4ae4/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE