./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound2.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_5b56faf7-feae-4ac2-892a-7ca0a7f9cbf0/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56faf7-feae-4ac2-892a-7ca0a7f9cbf0/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_5b56faf7-feae-4ac2-892a-7ca0a7f9cbf0/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56faf7-feae-4ac2-892a-7ca0a7f9cbf0/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56faf7-feae-4ac2-892a-7ca0a7f9cbf0/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_5b56faf7-feae-4ac2-892a-7ca0a7f9cbf0/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 aaf3afe56a1359bbab265f8ea2d0f9ef98790725db621aae58f1f165c4ed0bd8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:27:24,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:27:24,562 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56faf7-feae-4ac2-892a-7ca0a7f9cbf0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-08 23:27:24,566 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:27:24,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:27:24,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:27:24,593 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:27:24,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:27:24,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:27:24,596 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:27:24,597 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:27:24,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:27:24,599 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:27:24,599 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:27:24,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:27:24,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:27:24,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:27:24,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:27:24,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:27:24,601 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:27:24,602 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:27:24,606 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:27:24,606 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:27:24,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:27:24,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:27:24,609 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:27:24,609 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:27:24,609 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:27:24,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:27:24,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:27:24,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:27:24,610 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:27:24,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:27:24,610 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:27:24,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:27:24,611 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_5b56faf7-feae-4ac2-892a-7ca0a7f9cbf0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56faf7-feae-4ac2-892a-7ca0a7f9cbf0/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aaf3afe56a1359bbab265f8ea2d0f9ef98790725db621aae58f1f165c4ed0bd8 [2024-11-08 23:27:24,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:27:24,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:27:24,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:27:24,921 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:27:24,922 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:27:24,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56faf7-feae-4ac2-892a-7ca0a7f9cbf0/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound2.c Unable to find full path for "g++" [2024-11-08 23:27:27,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:27:27,341 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:27:27,342 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56faf7-feae-4ac2-892a-7ca0a7f9cbf0/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound2.c [2024-11-08 23:27:27,353 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56faf7-feae-4ac2-892a-7ca0a7f9cbf0/bin/ukojak-verify-ImItNfHLgk/data/f2986b598/6f84a2fc9a454e02b8b1a9a63ee05866/FLAG5b31e2662 [2024-11-08 23:27:27,374 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56faf7-feae-4ac2-892a-7ca0a7f9cbf0/bin/ukojak-verify-ImItNfHLgk/data/f2986b598/6f84a2fc9a454e02b8b1a9a63ee05866 [2024-11-08 23:27:27,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:27:27,379 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:27:27,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:27:27,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:27:27,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:27:27,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:27:27" (1/1) ... [2024-11-08 23:27:27,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@184301ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:27, skipping insertion in model container [2024-11-08 23:27:27,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:27:27" (1/1) ... [2024-11-08 23:27:27,424 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:27:27,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:27:27,707 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:27:27,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:27:27,766 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:27:27,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:27 WrapperNode [2024-11-08 23:27:27,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:27:27,768 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:27:27,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:27:27,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:27:27,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:27" (1/1) ... [2024-11-08 23:27:27,789 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:27" (1/1) ... [2024-11-08 23:27:27,815 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2024-11-08 23:27:27,815 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:27:27,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:27:27,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:27:27,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:27:27,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:27" (1/1) ... [2024-11-08 23:27:27,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:27" (1/1) ... [2024-11-08 23:27:27,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:27" (1/1) ... [2024-11-08 23:27:27,836 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:27" (1/1) ... [2024-11-08 23:27:27,843 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:27" (1/1) ... [2024-11-08 23:27:27,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:27" (1/1) ... [2024-11-08 23:27:27,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:27" (1/1) ... [2024-11-08 23:27:27,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:27" (1/1) ... [2024-11-08 23:27:27,863 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:27:27,864 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:27:27,864 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:27:27,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:27:27,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:27" (1/1) ... [2024-11-08 23:27:27,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:27:27,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56faf7-feae-4ac2-892a-7ca0a7f9cbf0/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:27:27,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56faf7-feae-4ac2-892a-7ca0a7f9cbf0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:27:27,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56faf7-feae-4ac2-892a-7ca0a7f9cbf0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:27:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:27:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:27:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:27:27,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:27:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:27:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:27:28,029 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:27:28,033 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:27:28,259 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-08 23:27:28,260 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:27:28,325 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:27:28,326 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:27:28,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:27:28 BoogieIcfgContainer [2024-11-08 23:27:28,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:27:28,328 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:27:28,328 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:27:28,343 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:27:28,343 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:27:28" (1/1) ... [2024-11-08 23:27:28,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:27:28,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:28,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-08 23:27:28,437 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-08 23:27:28,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:27:28,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:27:28,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:27:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:28,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:27:28,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:28,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-08 23:27:28,771 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-08 23:27:28,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:27:28,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:27:28,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:27:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:28,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:27:28,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:28,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-08 23:27:28,874 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-08 23:27:28,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:27:28,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:27:28,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:27:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:29,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:27:29,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:29,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-11-08 23:27:29,569 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-08 23:27:29,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:27:29,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:27:29,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:27:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:29,836 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:27:30,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:30,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2024-11-08 23:27:30,302 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2024-11-08 23:27:30,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:27:30,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:27:30,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:27:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:30,639 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:27:30,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:30,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 23 states and 27 transitions. [2024-11-08 23:27:30,888 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-11-08 23:27:30,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:27:30,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:27:30,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:27:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:31,113 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:27:31,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:31,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 36 transitions. [2024-11-08 23:27:31,536 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2024-11-08 23:27:31,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 23:27:31,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:27:31,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:27:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:31,827 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 23:27:32,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:32,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 23 states and 27 transitions. [2024-11-08 23:27:32,039 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-11-08 23:27:32,039 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:27:32,040 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-08 23:27:32,053 INFO L729 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-08 23:27:32,219 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) the Hoare annotation is: true [2024-11-08 23:27:32,219 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:27:32,220 INFO L77 FloydHoareUtils]: At program point L33-1(line 33) the Hoare annotation is: true [2024-11-08 23:27:32,220 INFO L77 FloydHoareUtils]: At program point L33-2(line 33) the Hoare annotation is: true [2024-11-08 23:27:32,220 INFO L77 FloydHoareUtils]: At program point L33-3(lines 33 43) the Hoare annotation is: (or (< 1 |ULTIMATE.start_main_#t~post6#1|) (and (not (= |ULTIMATE.start_main_#t~post6#1| 0)) (<= ~counter~0 2)) (<= ~counter~0 1)) [2024-11-08 23:27:32,221 INFO L77 FloydHoareUtils]: At program point L33-5(lines 33 43) the Hoare annotation is: true [2024-11-08 23:27:32,221 INFO L77 FloydHoareUtils]: At program point L33-6(lines 33 43) the Hoare annotation is: true [2024-11-08 23:27:32,221 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:27:32,222 INFO L77 FloydHoareUtils]: At program point L34(line 34) the Hoare annotation is: (<= ~counter~0 2) [2024-11-08 23:27:32,222 INFO L77 FloydHoareUtils]: At program point L34-1(lines 33 43) the Hoare annotation is: true [2024-11-08 23:27:32,222 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) the Hoare annotation is: true [2024-11-08 23:27:32,225 INFO L77 FloydHoareUtils]: At program point L47(line 47) the Hoare annotation is: true [2024-11-08 23:27:32,226 INFO L77 FloydHoareUtils]: At program point L47-1(line 47) the Hoare annotation is: true [2024-11-08 23:27:32,226 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 15 21) the Hoare annotation is: true [2024-11-08 23:27:32,226 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 15 21) the Hoare annotation is: true [2024-11-08 23:27:32,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:27:32 ImpRootNode [2024-11-08 23:27:32,253 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:27:32,254 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:27:32,254 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:27:32,256 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:27:32,256 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:27:28" (3/4) ... [2024-11-08 23:27:32,260 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:27:32,265 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-08 23:27:32,274 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-08 23:27:32,274 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-08 23:27:32,275 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 23:27:32,275 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:27:32,418 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56faf7-feae-4ac2-892a-7ca0a7f9cbf0/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:27:32,418 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56faf7-feae-4ac2-892a-7ca0a7f9cbf0/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:27:32,418 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:27:32,421 INFO L158 Benchmark]: Toolchain (without parser) took 5040.47ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 105.6MB in the beginning and 117.2MB in the end (delta: -11.6MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2024-11-08 23:27:32,422 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory is still 61.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:27:32,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.10ms. Allocated memory is still 136.3MB. Free memory was 105.6MB in the beginning and 93.2MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:27:32,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.35ms. Allocated memory is still 136.3MB. Free memory was 93.2MB in the beginning and 91.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:27:32,424 INFO L158 Benchmark]: Boogie Preprocessor took 46.41ms. Allocated memory is still 136.3MB. Free memory was 91.6MB in the beginning and 90.8MB in the end (delta: 852.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:27:32,426 INFO L158 Benchmark]: RCFGBuilder took 462.84ms. Allocated memory is still 136.3MB. Free memory was 90.5MB in the beginning and 79.3MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:27:32,427 INFO L158 Benchmark]: CodeCheck took 3925.08ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 79.0MB in the beginning and 122.4MB in the end (delta: -43.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:27:32,427 INFO L158 Benchmark]: Witness Printer took 164.72ms. Allocated memory is still 169.9MB. Free memory was 121.4MB in the beginning and 117.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:27:32,429 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 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 184 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 127 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63 mSDsCounter, 108 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 358 IncrementalHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 108 mSolverCounterUnsat, 64 mSDtfsCounter, 358 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 729 GetRequests, 646 SyntacticMatches, 33 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1176 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 32/64 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: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: 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 - ProcedureContractResult [Line: 15]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory is still 61.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.10ms. Allocated memory is still 136.3MB. Free memory was 105.6MB in the beginning and 93.2MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.35ms. Allocated memory is still 136.3MB. Free memory was 93.2MB in the beginning and 91.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.41ms. Allocated memory is still 136.3MB. Free memory was 91.6MB in the beginning and 90.8MB in the end (delta: 852.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 462.84ms. Allocated memory is still 136.3MB. Free memory was 90.5MB in the beginning and 79.3MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 3925.08ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 79.0MB in the beginning and 122.4MB in the end (delta: -43.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 164.72ms. Allocated memory is still 169.9MB. Free memory was 121.4MB in the beginning and 117.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 23:27:32,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56faf7-feae-4ac2-892a-7ca0a7f9cbf0/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 Writing output log to file Ultimate.log Result: TRUE