./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-lit/gj2007b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_33ad73fa-2a1b-494a-a3e0-2c5687a77f91/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ad73fa-2a1b-494a-a3e0-2c5687a77f91/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_33ad73fa-2a1b-494a-a3e0-2c5687a77f91/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ad73fa-2a1b-494a-a3e0-2c5687a77f91/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/gj2007b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ad73fa-2a1b-494a-a3e0-2c5687a77f91/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ad73fa-2a1b-494a-a3e0-2c5687a77f91/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 32bit --witnessprinter.graph.data.programhash a5dbdf40c5c8abdf745ea2973f48a7f1bd1d56b53cd410b7a2d364d83fc651a9 --- 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 17:09:44,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:09:44,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:09:44,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:09:44,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:09:44,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:09:44,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:09:44,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:09:44,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:09:44,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:09:44,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:09:44,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:09:44,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:09:44,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:09:44,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:09:44,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:09:44,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:09:44,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:09:44,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:09:44,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:09:44,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:09:44,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:09:44,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:09:44,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:09:44,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:09:44,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:09:44,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:09:44,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:09:44,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:09:44,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:09:44,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:09:44,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:09:44,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:09:44,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:09:44,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:09:44,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:09:44,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:09:44,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:09:44,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:09:44,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:09:44,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:09:44,336 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ad73fa-2a1b-494a-a3e0-2c5687a77f91/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:09:44,379 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:09:44,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:09:44,383 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:09:44,383 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:09:44,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:09:44,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:09:44,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:09:44,386 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:09:44,386 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:09:44,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:09:44,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:09:44,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:09:44,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:09:44,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:09:44,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:09:44,389 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:09:44,389 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:09:44,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:09:44,389 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:09:44,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:09:44,390 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:09:44,390 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:09:44,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:09:44,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:09:44,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:09:44,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:09:44,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:09:44,391 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:09:44,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:09:44,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:09:44,393 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_33ad73fa-2a1b-494a-a3e0-2c5687a77f91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ad73fa-2a1b-494a-a3e0-2c5687a77f91/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5dbdf40c5c8abdf745ea2973f48a7f1bd1d56b53cd410b7a2d364d83fc651a9 [2022-11-20 17:09:44,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:09:44,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:09:44,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:09:44,725 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:09:44,725 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:09:44,727 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ad73fa-2a1b-494a-a3e0-2c5687a77f91/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/loop-lit/gj2007b.i [2022-11-20 17:09:47,837 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:09:48,070 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:09:48,070 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ad73fa-2a1b-494a-a3e0-2c5687a77f91/sv-benchmarks/c/loop-lit/gj2007b.i [2022-11-20 17:09:48,077 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ad73fa-2a1b-494a-a3e0-2c5687a77f91/bin/ukojak-pZX7IvK2PQ/data/e3f05cff1/e6f8302e1dc5417cb67b3b679ef09cf2/FLAG1f6a39a81 [2022-11-20 17:09:48,092 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ad73fa-2a1b-494a-a3e0-2c5687a77f91/bin/ukojak-pZX7IvK2PQ/data/e3f05cff1/e6f8302e1dc5417cb67b3b679ef09cf2 [2022-11-20 17:09:48,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:09:48,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:09:48,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:09:48,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:09:48,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:09:48,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:09:48" (1/1) ... [2022-11-20 17:09:48,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27775999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:48, skipping insertion in model container [2022-11-20 17:09:48,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:09:48" (1/1) ... [2022-11-20 17:09:48,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:09:48,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:09:48,352 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ad73fa-2a1b-494a-a3e0-2c5687a77f91/sv-benchmarks/c/loop-lit/gj2007b.i[895,908] [2022-11-20 17:09:48,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:09:48,382 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:09:48,399 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ad73fa-2a1b-494a-a3e0-2c5687a77f91/sv-benchmarks/c/loop-lit/gj2007b.i[895,908] [2022-11-20 17:09:48,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:09:48,422 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:09:48,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:48 WrapperNode [2022-11-20 17:09:48,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:09:48,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:09:48,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:09:48,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:09:48,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:48" (1/1) ... [2022-11-20 17:09:48,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:48" (1/1) ... [2022-11-20 17:09:48,460 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2022-11-20 17:09:48,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:09:48,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:09:48,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:09:48,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:09:48,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:48" (1/1) ... [2022-11-20 17:09:48,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:48" (1/1) ... [2022-11-20 17:09:48,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:48" (1/1) ... [2022-11-20 17:09:48,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:48" (1/1) ... [2022-11-20 17:09:48,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:48" (1/1) ... [2022-11-20 17:09:48,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:48" (1/1) ... [2022-11-20 17:09:48,487 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:48" (1/1) ... [2022-11-20 17:09:48,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:48" (1/1) ... [2022-11-20 17:09:48,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:09:48,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:09:48,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:09:48,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:09:48,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:48" (1/1) ... [2022-11-20 17:09:48,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:09:48,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ad73fa-2a1b-494a-a3e0-2c5687a77f91/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:09:48,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ad73fa-2a1b-494a-a3e0-2c5687a77f91/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:09:48,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ad73fa-2a1b-494a-a3e0-2c5687a77f91/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:09:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:09:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:09:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:09:48,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:09:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-20 17:09:48,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-20 17:09:48,656 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:09:48,659 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:09:48,786 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:09:48,816 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:09:48,822 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:09:48,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:09:48 BoogieIcfgContainer [2022-11-20 17:09:48,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:09:48,825 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:09:48,836 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:09:48,847 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:09:48,862 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:09:48" (1/1) ... [2022-11-20 17:09:48,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:09:48,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:48,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-11-20 17:09:48,961 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-11-20 17:09:48,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:09:48,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:48,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:49,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:49,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:49,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2022-11-20 17:09:49,245 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-11-20 17:09:49,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:09:49,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:49,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:49,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:49,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:49,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2022-11-20 17:09:49,433 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2022-11-20 17:09:49,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:09:49,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:49,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:49,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:49,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:49,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-11-20 17:09:49,555 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-11-20 17:09:49,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:09:49,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:49,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:49,694 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:09:50,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:50,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2022-11-20 17:09:50,080 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2022-11-20 17:09:50,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:09:50,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:50,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:50,145 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 17:09:50,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:50,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-11-20 17:09:50,239 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-11-20 17:09:50,240 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:09:50,240 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2022-11-20 17:09:50,254 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-11-20 17:09:50,335 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2022-11-20 17:09:50,345 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:09:50,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:09:50 ImpRootNode [2022-11-20 17:09:50,346 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:09:50,347 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:09:50,348 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:09:50,348 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:09:50,348 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:09:48" (3/4) ... [2022-11-20 17:09:50,354 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:09:50,362 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-20 17:09:50,371 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-20 17:09:50,372 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 17:09:50,372 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:09:50,372 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:09:50,427 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ad73fa-2a1b-494a-a3e0-2c5687a77f91/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:09:50,428 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:09:50,428 INFO L158 Benchmark]: Toolchain (without parser) took 2331.67ms. Allocated memory is still 195.0MB. Free memory was 150.6MB in the beginning and 127.7MB in the end (delta: 22.9MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2022-11-20 17:09:50,429 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory was 70.2MB in the beginning and 70.1MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:09:50,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.42ms. Allocated memory is still 195.0MB. Free memory was 149.9MB in the beginning and 140.1MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 17:09:50,430 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.92ms. Allocated memory is still 195.0MB. Free memory was 140.1MB in the beginning and 138.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:09:50,430 INFO L158 Benchmark]: Boogie Preprocessor took 34.95ms. Allocated memory is still 195.0MB. Free memory was 138.7MB in the beginning and 138.0MB in the end (delta: 674.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:09:50,431 INFO L158 Benchmark]: RCFGBuilder took 327.70ms. Allocated memory is still 195.0MB. Free memory was 138.0MB in the beginning and 126.8MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 17:09:50,432 INFO L158 Benchmark]: CodeCheck took 1520.91ms. Allocated memory is still 195.0MB. Free memory was 126.8MB in the beginning and 129.8MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:09:50,437 INFO L158 Benchmark]: Witness Printer took 80.56ms. Allocated memory is still 195.0MB. Free memory was 129.8MB in the beginning and 127.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:09:50,439 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 62 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 263 IncrementalHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 0 mSDtfsCounter, 263 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 273 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 452 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 87 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 17/24 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: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: n <= 2147483647 && 0 <= x - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory was 70.2MB in the beginning and 70.1MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.42ms. Allocated memory is still 195.0MB. Free memory was 149.9MB in the beginning and 140.1MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.92ms. Allocated memory is still 195.0MB. Free memory was 140.1MB in the beginning and 138.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.95ms. Allocated memory is still 195.0MB. Free memory was 138.7MB in the beginning and 138.0MB in the end (delta: 674.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 327.70ms. Allocated memory is still 195.0MB. Free memory was 138.0MB in the beginning and 126.8MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 1520.91ms. Allocated memory is still 195.0MB. Free memory was 126.8MB in the beginning and 129.8MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 80.56ms. Allocated memory is still 195.0MB. Free memory was 129.8MB in the beginning and 127.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:09:50,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ad73fa-2a1b-494a-a3e0-2c5687a77f91/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE