./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_prodbin.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_prodbin.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --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 a7dff50a5c131f5f3e263636f30a459d7f3ec4f0fe901f92a5987676a99374c1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:58:37,470 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:58:37,559 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-08 22:58:37,565 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:58:37,565 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:58:37,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:58:37,598 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:58:37,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:58:37,602 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:58:37,603 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:58:37,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:58:37,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:58:37,604 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:58:37,604 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:58:37,607 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:58:37,607 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:58:37,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:58:37,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:58:37,608 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:58:37,609 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:58:37,609 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:58:37,613 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:58:37,614 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:58:37,614 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:58:37,614 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:58:37,615 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:58:37,615 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:58:37,615 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:58:37,615 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:58:37,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:58:37,616 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:58:37,616 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:58:37,617 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:58:37,619 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:58:37,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:58:37,620 INFO L153 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_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7dff50a5c131f5f3e263636f30a459d7f3ec4f0fe901f92a5987676a99374c1 [2024-11-08 22:58:37,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:58:37,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:58:37,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:58:37,988 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:58:37,989 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:58:37,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/recursified_nla-digbench/recursified_prodbin.c Unable to find full path for "g++" [2024-11-08 22:58:40,117 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:58:40,295 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:58:40,296 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/sv-benchmarks/c/recursified_nla-digbench/recursified_prodbin.c [2024-11-08 22:58:40,305 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/data/5d6c7118e/c81c1662bba94e2b8071df7e78f956b4/FLAGe0773e284 [2024-11-08 22:58:40,320 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/data/5d6c7118e/c81c1662bba94e2b8071df7e78f956b4 [2024-11-08 22:58:40,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:58:40,323 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:58:40,325 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:58:40,325 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:58:40,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:58:40,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:58:40" (1/1) ... [2024-11-08 22:58:40,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a0782f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:40, skipping insertion in model container [2024-11-08 22:58:40,333 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:58:40" (1/1) ... [2024-11-08 22:58:40,358 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:58:40,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:58:40,580 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:58:40,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:58:40,623 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:58:40,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:40 WrapperNode [2024-11-08 22:58:40,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:58:40,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:58:40,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:58:40,625 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:58:40,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:40" (1/1) ... [2024-11-08 22:58:40,641 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:40" (1/1) ... [2024-11-08 22:58:40,663 INFO L138 Inliner]: procedures = 16, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-11-08 22:58:40,664 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:58:40,665 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:58:40,665 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:58:40,665 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:58:40,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:40" (1/1) ... [2024-11-08 22:58:40,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:40" (1/1) ... [2024-11-08 22:58:40,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:40" (1/1) ... [2024-11-08 22:58:40,677 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:40" (1/1) ... [2024-11-08 22:58:40,685 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:40" (1/1) ... [2024-11-08 22:58:40,688 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:40" (1/1) ... [2024-11-08 22:58:40,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:40" (1/1) ... [2024-11-08 22:58:40,690 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:40" (1/1) ... [2024-11-08 22:58:40,693 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:58:40,694 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:58:40,694 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:58:40,694 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:58:40,695 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:40" (1/1) ... [2024-11-08 22:58:40,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:58:40,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:58:40,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:58:40,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:58:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:58:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:58:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:58:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:58:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:58:40,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:58:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:58:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:58:40,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:58:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_30_to_40_0 [2024-11-08 22:58:40,772 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_30_to_40_0 [2024-11-08 22:58:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:58:40,874 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:58:40,877 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:58:41,211 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-08 22:58:41,211 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:58:41,319 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:58:41,319 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:58:41,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:58:41 BoogieIcfgContainer [2024-11-08 22:58:41,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:58:41,320 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:58:41,321 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:58:41,335 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:58:41,335 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:58:41" (1/1) ... [2024-11-08 22:58:41,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:58:41,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:41,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 50 states and 54 transitions. [2024-11-08 22:58:41,415 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2024-11-08 22:58:41,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:58:41,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:41,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:58:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:58:41,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:58:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:58:41,905 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:58:41,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:58:41 ImpRootNode [2024-11-08 22:58:41,962 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:58:41,963 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:58:41,965 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:58:41,966 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:58:41,967 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:58:41" (3/4) ... [2024-11-08 22:58:41,970 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:58:41,971 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:58:41,973 INFO L158 Benchmark]: Toolchain (without parser) took 1649.21ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 91.7MB in the beginning and 135.4MB in the end (delta: -43.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:58:41,975 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:58:41,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.48ms. Allocated memory is still 134.2MB. Free memory was 91.7MB in the beginning and 79.1MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:58:41,977 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.14ms. Allocated memory is still 134.2MB. Free memory was 79.1MB in the beginning and 77.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:58:41,978 INFO L158 Benchmark]: Boogie Preprocessor took 28.52ms. Allocated memory is still 134.2MB. Free memory was 77.6MB in the beginning and 76.1MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:58:41,979 INFO L158 Benchmark]: RCFGBuilder took 625.77ms. Allocated memory is still 134.2MB. Free memory was 76.1MB in the beginning and 54.6MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 22:58:41,980 INFO L158 Benchmark]: CodeCheck took 642.19ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 54.6MB in the beginning and 135.4MB in the end (delta: -80.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:58:41,981 INFO L158 Benchmark]: Witness Printer took 8.40ms. Allocated memory is still 176.2MB. Free memory is still 135.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:58:41,987 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 50 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of to_int at line 87. Possible FailurePath: [L82] int a; [L83] int b; [L84] int x; [L85] int y; [L86] int z; [L87] a = __VERIFIER_nondet_double() [L88] b = __VERIFIER_nondet_double() [L89] EXPR \read(b) [L89] CALL assume_abort_if_not(b >= 1) [L24] COND FALSE !(!cond) [L89] RET assume_abort_if_not(b >= 1) [L90] EXPR \read(a) [L90] x = a [L91] EXPR \read(b) [L91] y = b [L92] z = 0 VAL [a={5:0}, b={4:0}, x={6:0}, y={7:0}, z={8:0}] [L93] CALL func_to_recursive_line_30_to_40_0(&a, &b, &z, &x, &y) VAL [\old(a)={5:0}, \old(b)={4:0}, \old(x)={6:0}, \old(y)={7:0}, \old(z)={8:0}] [L54] \read(*z) [L54] EXPR \read(*x) [L54] EXPR \read(*y) VAL [\old(a)={5:0}, \old(b)={4:0}, \old(x)={6:0}, \old(y)={7:0}, \old(z)={8:0}, a={5:0}, b={4:0}, x={6:0}, y={7:0}, z={8:0}] [L54] (*x) * (*y) VAL [\old(a)={5:0}, \old(b)={4:0}, \old(x)={6:0}, \old(y)={7:0}, \old(z)={8:0}, a={5:0}, b={4:0}, x={6:0}, y={7:0}, z={8:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.48ms. Allocated memory is still 134.2MB. Free memory was 91.7MB in the beginning and 79.1MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.14ms. Allocated memory is still 134.2MB. Free memory was 79.1MB in the beginning and 77.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.52ms. Allocated memory is still 134.2MB. Free memory was 77.6MB in the beginning and 76.1MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 625.77ms. Allocated memory is still 134.2MB. Free memory was 76.1MB in the beginning and 54.6MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 642.19ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 54.6MB in the beginning and 135.4MB in the end (delta: -80.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.40ms. Allocated memory is still 176.2MB. Free memory is still 135.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:58:42,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_prodbin.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --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 a7dff50a5c131f5f3e263636f30a459d7f3ec4f0fe901f92a5987676a99374c1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:58:44,649 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:58:44,749 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-08 22:58:44,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:58:44,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:58:44,792 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:58:44,792 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:58:44,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:58:44,796 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:58:44,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:58:44,796 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:58:44,797 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:58:44,797 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:58:44,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:58:44,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:58:44,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:58:44,799 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:58:44,802 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:58:44,802 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:58:44,806 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:58:44,806 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:58:44,807 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:58:44,807 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:58:44,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:58:44,808 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:58:44,808 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:58:44,808 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:58:44,808 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:58:44,809 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:44,809 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:58:44,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:58:44,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:58:44,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:58:44,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:58:44,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:58:44,813 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:58:44,814 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:44,814 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:58:44,814 INFO L153 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_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7dff50a5c131f5f3e263636f30a459d7f3ec4f0fe901f92a5987676a99374c1 [2024-11-08 22:58:45,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:58:45,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:58:45,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:58:45,234 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:58:45,235 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:58:45,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/recursified_nla-digbench/recursified_prodbin.c Unable to find full path for "g++" [2024-11-08 22:58:47,279 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:58:47,559 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:58:47,559 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/sv-benchmarks/c/recursified_nla-digbench/recursified_prodbin.c [2024-11-08 22:58:47,568 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/data/ce492485b/9c78401a61a746f7b11b247e11b90872/FLAG2815dd804 [2024-11-08 22:58:47,867 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/data/ce492485b/9c78401a61a746f7b11b247e11b90872 [2024-11-08 22:58:47,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:58:47,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:58:47,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:58:47,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:58:47,882 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:58:47,883 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:58:47" (1/1) ... [2024-11-08 22:58:47,886 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca281e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:47, skipping insertion in model container [2024-11-08 22:58:47,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:58:47" (1/1) ... [2024-11-08 22:58:47,915 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:58:48,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:58:48,204 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:58:48,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:58:48,266 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:58:48,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:48 WrapperNode [2024-11-08 22:58:48,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:58:48,269 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:58:48,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:58:48,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:58:48,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:48" (1/1) ... [2024-11-08 22:58:48,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:48" (1/1) ... [2024-11-08 22:58:48,357 INFO L138 Inliner]: procedures = 19, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-11-08 22:58:48,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:58:48,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:58:48,367 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:58:48,367 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:58:48,377 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:48" (1/1) ... [2024-11-08 22:58:48,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:48" (1/1) ... [2024-11-08 22:58:48,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:48" (1/1) ... [2024-11-08 22:58:48,382 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:48" (1/1) ... [2024-11-08 22:58:48,391 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:48" (1/1) ... [2024-11-08 22:58:48,393 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:48" (1/1) ... [2024-11-08 22:58:48,395 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:48" (1/1) ... [2024-11-08 22:58:48,397 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:48" (1/1) ... [2024-11-08 22:58:48,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:58:48,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:58:48,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:58:48,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:58:48,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:48" (1/1) ... [2024-11-08 22:58:48,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:58:48,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:58:48,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:58:48,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:58:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:58:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:58:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:58:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 22:58:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:58:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:58:48,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:58:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:58:48,472 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_30_to_40_0 [2024-11-08 22:58:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_30_to_40_0 [2024-11-08 22:58:48,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:58:48,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 22:58:48,565 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:58:48,568 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:58:50,187 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-08 22:58:50,188 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:58:50,289 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:58:50,289 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:58:50,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:58:50 BoogieIcfgContainer [2024-11-08 22:58:50,290 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:58:50,291 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:58:50,291 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:58:50,302 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:58:50,302 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:58:50" (1/1) ... [2024-11-08 22:58:50,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:58:50,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:50,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 50 states and 54 transitions. [2024-11-08 22:58:50,381 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2024-11-08 22:58:50,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:58:50,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:50,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:50,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:50,387 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:50,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1f5a7e-0179-4c1b-8621-6da5906a2857/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process