./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Parallel.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200ee5ca-2039-43b9-b97a-095d12c947f7/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200ee5ca-2039-43b9-b97a-095d12c947f7/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200ee5ca-2039-43b9-b97a-095d12c947f7/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200ee5ca-2039-43b9-b97a-095d12c947f7/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Parallel.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200ee5ca-2039-43b9-b97a-095d12c947f7/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200ee5ca-2039-43b9-b97a-095d12c947f7/bin/ukojak-jW3SillKbg --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 6d237a1b253e1662249abfec0a27795a205783446cdc8f92e994520c562b96f7 --- 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-b5237d8 [2022-11-21 22:24:24,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:24:24,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:24:24,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:24:24,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:24:24,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:24:24,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:24:24,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:24:24,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:24:24,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:24:24,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:24:24,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:24:24,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:24:24,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:24:24,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:24:24,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:24:24,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:24:24,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:24:24,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:24:24,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:24:24,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:24:24,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:24:24,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:24:24,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:24:24,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:24:24,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:24:24,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:24:24,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:24:24,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:24:24,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:24:24,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:24:24,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:24:24,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:24:24,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:24:24,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:24:24,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:24:24,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:24:24,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:24:24,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:24:24,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:24:24,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:24:24,288 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200ee5ca-2039-43b9-b97a-095d12c947f7/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:24:24,310 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:24:24,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:24:24,311 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:24:24,311 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:24:24,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:24:24,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:24:24,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:24:24,312 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:24:24,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:24:24,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:24:24,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:24:24,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:24:24,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:24:24,313 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:24:24,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:24:24,314 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:24:24,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:24:24,314 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:24:24,314 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:24:24,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:24:24,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:24:24,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:24:24,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:24:24,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:24:24,315 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:24:24,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:24:24,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:24:24,316 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_200ee5ca-2039-43b9-b97a-095d12c947f7/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200ee5ca-2039-43b9-b97a-095d12c947f7/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d237a1b253e1662249abfec0a27795a205783446cdc8f92e994520c562b96f7 [2022-11-21 22:24:24,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:24:24,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:24:24,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:24:24,652 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:24:24,653 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:24:24,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200ee5ca-2039-43b9-b97a-095d12c947f7/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-crafted/Parallel.c [2022-11-21 22:24:27,785 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:24:28,024 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:24:28,025 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200ee5ca-2039-43b9-b97a-095d12c947f7/sv-benchmarks/c/termination-crafted/Parallel.c [2022-11-21 22:24:28,033 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200ee5ca-2039-43b9-b97a-095d12c947f7/bin/ukojak-jW3SillKbg/data/7575ee1e9/bbe57b9430044052872ff1a48fbe6414/FLAG96bb019a2 [2022-11-21 22:24:28,053 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200ee5ca-2039-43b9-b97a-095d12c947f7/bin/ukojak-jW3SillKbg/data/7575ee1e9/bbe57b9430044052872ff1a48fbe6414 [2022-11-21 22:24:28,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:24:28,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:24:28,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:24:28,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:24:28,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:24:28,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:24:28" (1/1) ... [2022-11-21 22:24:28,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68dc6091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:28, skipping insertion in model container [2022-11-21 22:24:28,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:24:28" (1/1) ... [2022-11-21 22:24:28,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:24:28,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:24:28,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:24:28,266 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:24:28,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:24:28,289 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:24:28,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:28 WrapperNode [2022-11-21 22:24:28,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:24:28,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:24:28,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:24:28,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:24:28,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:28" (1/1) ... [2022-11-21 22:24:28,304 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:28" (1/1) ... [2022-11-21 22:24:28,320 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2022-11-21 22:24:28,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:24:28,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:24:28,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:24:28,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:24:28,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:28" (1/1) ... [2022-11-21 22:24:28,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:28" (1/1) ... [2022-11-21 22:24:28,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:28" (1/1) ... [2022-11-21 22:24:28,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:28" (1/1) ... [2022-11-21 22:24:28,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:28" (1/1) ... [2022-11-21 22:24:28,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:28" (1/1) ... [2022-11-21 22:24:28,339 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:28" (1/1) ... [2022-11-21 22:24:28,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:28" (1/1) ... [2022-11-21 22:24:28,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:24:28,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:24:28,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:24:28,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:24:28,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:28" (1/1) ... [2022-11-21 22:24:28,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:24:28,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200ee5ca-2039-43b9-b97a-095d12c947f7/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:24:28,374 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200ee5ca-2039-43b9-b97a-095d12c947f7/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:24:28,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200ee5ca-2039-43b9-b97a-095d12c947f7/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:24:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:24:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:24:28,518 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:24:28,520 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:24:28,646 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:24:28,666 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:24:28,666 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 22:24:28,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:24:28 BoogieIcfgContainer [2022-11-21 22:24:28,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:24:28,670 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:24:28,670 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:24:28,679 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:24:28,679 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:24:28" (1/1) ... [2022-11-21 22:24:28,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:24:28,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:24:28,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-11-21 22:24:28,746 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-11-21 22:24:28,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:24:28,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:24:28,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:24:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:24:28,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:24:28,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:24:28,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2022-11-21 22:24:28,960 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2022-11-21 22:24:28,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:24:28,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:24:28,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:24:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:24:28,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:24:29,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:24:29,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2022-11-21 22:24:29,114 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2022-11-21 22:24:29,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 22:24:29,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:24:29,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:24:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:24:29,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:24:29,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:24:29,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2022-11-21 22:24:29,478 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2022-11-21 22:24:29,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 22:24:29,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:24:29,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:24:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:24:29,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:24:29,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:24:29,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2022-11-21 22:24:29,663 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2022-11-21 22:24:29,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:24:29,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:24:29,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:24:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:24:29,770 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:24:29,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:24:29,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2022-11-21 22:24:29,876 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2022-11-21 22:24:29,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:24:29,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:24:29,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:24:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:24:29,950 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:24:30,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:24:30,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2022-11-21 22:24:30,077 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2022-11-21 22:24:30,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:24:30,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:24:30,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:24:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:24:30,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:24:30,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:24:30,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2022-11-21 22:24:30,369 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2022-11-21 22:24:30,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:24:30,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:24:30,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:24:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:24:30,455 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:24:30,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:24:30,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-11-21 22:24:30,494 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-11-21 22:24:30,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:24:30,495 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-11-21 22:24:30,504 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 22:24:30,540 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-21 22:24:30,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:24:30 ImpRootNode [2022-11-21 22:24:30,554 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:24:30,555 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:24:30,555 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:24:30,555 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:24:30,556 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:24:28" (3/4) ... [2022-11-21 22:24:30,560 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:24:30,576 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-21 22:24:30,576 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 22:24:30,577 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 22:24:30,613 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200ee5ca-2039-43b9-b97a-095d12c947f7/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:24:30,613 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:24:30,614 INFO L158 Benchmark]: Toolchain (without parser) took 2553.92ms. Allocated memory was 169.9MB in the beginning and 209.7MB in the end (delta: 39.8MB). Free memory was 126.8MB in the beginning and 148.9MB in the end (delta: -22.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 22:24:30,615 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 169.9MB. Free memory was 142.4MB in the beginning and 142.3MB in the end (delta: 147.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:24:30,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.17ms. Allocated memory is still 169.9MB. Free memory was 126.8MB in the beginning and 117.7MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 22:24:30,616 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.41ms. Allocated memory is still 169.9MB. Free memory was 117.7MB in the beginning and 116.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:24:30,616 INFO L158 Benchmark]: Boogie Preprocessor took 19.82ms. Allocated memory is still 169.9MB. Free memory was 116.3MB in the beginning and 115.7MB in the end (delta: 662.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:24:30,617 INFO L158 Benchmark]: RCFGBuilder took 326.63ms. Allocated memory is still 169.9MB. Free memory was 115.7MB in the beginning and 105.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 22:24:30,618 INFO L158 Benchmark]: CodeCheck took 1884.32ms. Allocated memory was 169.9MB in the beginning and 209.7MB in the end (delta: 39.8MB). Free memory was 105.2MB in the beginning and 151.0MB in the end (delta: -45.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:24:30,618 INFO L158 Benchmark]: Witness Printer took 58.27ms. Allocated memory is still 209.7MB. Free memory was 151.0MB in the beginning and 148.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:24:30,621 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 137 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 125 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 117 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 474 IncrementalHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 117 mSolverCounterUnsat, 32 mSDtfsCounter, 474 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 458 GetRequests, 412 SyntacticMatches, 10 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 125 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 10/10 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: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: 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: 22]: Loop Invariant Derived loop invariant: x <= 2147483647 && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 169.9MB. Free memory was 142.4MB in the beginning and 142.3MB in the end (delta: 147.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.17ms. Allocated memory is still 169.9MB. Free memory was 126.8MB in the beginning and 117.7MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.41ms. Allocated memory is still 169.9MB. Free memory was 117.7MB in the beginning and 116.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.82ms. Allocated memory is still 169.9MB. Free memory was 116.3MB in the beginning and 115.7MB in the end (delta: 662.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 326.63ms. Allocated memory is still 169.9MB. Free memory was 115.7MB in the beginning and 105.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1884.32ms. Allocated memory was 169.9MB in the beginning and 209.7MB in the end (delta: 39.8MB). Free memory was 105.2MB in the beginning and 151.0MB in the end (delta: -45.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 58.27ms. Allocated memory is still 209.7MB. Free memory was 151.0MB in the beginning and 148.9MB 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! [2022-11-21 22:24:30,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200ee5ca-2039-43b9-b97a-095d12c947f7/bin/ukojak-jW3SillKbg/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