./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll2_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe07fda-9a02-4544-a164-50e263680bc1/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe07fda-9a02-4544-a164-50e263680bc1/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe07fda-9a02-4544-a164-50e263680bc1/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe07fda-9a02-4544-a164-50e263680bc1/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll2_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe07fda-9a02-4544-a164-50e263680bc1/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe07fda-9a02-4544-a164-50e263680bc1/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f9eb6f5ed10e87bb24b60ecc008ae0f7d927414b72cef44f169022f555bf831 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:48:55,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:48:55,290 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe07fda-9a02-4544-a164-50e263680bc1/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:48:55,297 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:48:55,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:48:55,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:48:55,337 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:48:55,337 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:48:55,337 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:48:55,338 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:48:55,338 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:48:55,338 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:48:55,338 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:48:55,338 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:48:55,338 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:48:55,338 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:48:55,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:48:55,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:48:55,341 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:48:55,341 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:48:55,341 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:48:55,341 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:48:55,341 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:48:55,342 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:48:55,342 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:48:55,342 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:48:55,342 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:48:55,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:48:55,342 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:48:55,342 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:48:55,342 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:48:55,342 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:48:55,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:48:55,342 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_efe07fda-9a02-4544-a164-50e263680bc1/bin/ukojak-verify-ENZ3QT5qd3 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 ! call(reach_error())) ) 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 -> 4f9eb6f5ed10e87bb24b60ecc008ae0f7d927414b72cef44f169022f555bf831 [2024-11-25 04:48:55,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:48:55,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:48:55,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:48:55,721 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:48:55,722 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:48:55,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe07fda-9a02-4544-a164-50e263680bc1/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll2_unwindbound1.c [2024-11-25 04:48:58,895 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe07fda-9a02-4544-a164-50e263680bc1/bin/ukojak-verify-ENZ3QT5qd3/data/39af95144/6362ebeefdf3458cad27854381c71b2a/FLAG89f25c728 [2024-11-25 04:48:59,204 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:48:59,205 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe07fda-9a02-4544-a164-50e263680bc1/sv-benchmarks/c/nla-digbench-scaling/geo2-ll2_unwindbound1.c [2024-11-25 04:48:59,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe07fda-9a02-4544-a164-50e263680bc1/bin/ukojak-verify-ENZ3QT5qd3/data/39af95144/6362ebeefdf3458cad27854381c71b2a/FLAG89f25c728 [2024-11-25 04:48:59,492 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe07fda-9a02-4544-a164-50e263680bc1/bin/ukojak-verify-ENZ3QT5qd3/data/39af95144/6362ebeefdf3458cad27854381c71b2a [2024-11-25 04:48:59,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:48:59,497 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:48:59,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:48:59,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:48:59,507 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:48:59,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:48:59" (1/1) ... [2024-11-25 04:48:59,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1db59bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:59, skipping insertion in model container [2024-11-25 04:48:59,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:48:59" (1/1) ... [2024-11-25 04:48:59,533 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:48:59,763 WARN L250 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_efe07fda-9a02-4544-a164-50e263680bc1/sv-benchmarks/c/nla-digbench-scaling/geo2-ll2_unwindbound1.c[525,538] [2024-11-25 04:48:59,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:48:59,808 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:48:59,823 WARN L250 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_efe07fda-9a02-4544-a164-50e263680bc1/sv-benchmarks/c/nla-digbench-scaling/geo2-ll2_unwindbound1.c[525,538] [2024-11-25 04:48:59,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:48:59,855 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:48:59,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:59 WrapperNode [2024-11-25 04:48:59,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:48:59,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:48:59,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:48:59,860 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:48:59,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:59" (1/1) ... [2024-11-25 04:48:59,884 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:59" (1/1) ... [2024-11-25 04:48:59,907 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2024-11-25 04:48:59,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:48:59,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:48:59,910 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:48:59,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:48:59,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:59" (1/1) ... [2024-11-25 04:48:59,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:59" (1/1) ... [2024-11-25 04:48:59,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:59" (1/1) ... [2024-11-25 04:48:59,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:59" (1/1) ... [2024-11-25 04:48:59,926 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:59" (1/1) ... [2024-11-25 04:48:59,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:59" (1/1) ... [2024-11-25 04:48:59,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:59" (1/1) ... [2024-11-25 04:48:59,939 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:59" (1/1) ... [2024-11-25 04:48:59,940 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:59" (1/1) ... [2024-11-25 04:48:59,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:48:59,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:48:59,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:48:59,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:48:59,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:59" (1/1) ... [2024-11-25 04:48:59,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:48:59,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe07fda-9a02-4544-a164-50e263680bc1/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:48:59,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe07fda-9a02-4544-a164-50e263680bc1/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:49:00,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe07fda-9a02-4544-a164-50e263680bc1/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:49:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:49:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:49:00,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:49:00,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:49:00,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:49:00,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:49:00,123 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:49:00,125 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:49:00,332 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 04:49:00,332 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:49:00,381 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:49:00,381 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:49:00,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:49:00 BoogieIcfgContainer [2024-11-25 04:49:00,381 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:49:00,382 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:49:00,384 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:49:00,398 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:49:00,399 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:49:00" (1/1) ... [2024-11-25 04:49:00,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:49:00,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:00,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-25 04:49:00,503 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-25 04:49:00,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:49:00,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:00,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:49:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:00,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:49:00,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:00,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-25 04:49:00,740 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-25 04:49:00,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:49:00,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:00,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:49:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:49:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:00,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 04:49:00,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:00,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:49:01,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:01,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 04:49:01,159 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 04:49:01,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:49:01,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:01,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:49:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:01,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:49:01,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:01,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-25 04:49:01,667 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-25 04:49:01,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:49:01,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:01,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:49:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:02,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:49:02,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:02,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-25 04:49:02,560 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-25 04:49:02,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 04:49:02,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:02,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:49:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:02,756 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:49:03,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:03,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-25 04:49:03,758 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-25 04:49:03,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 04:49:03,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:03,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:49:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:49:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:03,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:49:03,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:03,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:49:08,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:08,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 14 states and 15 transitions. [2024-11-25 04:49:08,688 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 04:49:08,689 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 04:49:08,689 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-25 04:49:08,705 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 04:49:08,969 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 04:49:08,970 INFO L77 FloydHoareUtils]: At program point L44(line 44) the Hoare annotation is: true [2024-11-25 04:49:08,970 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 04:49:08,970 INFO L77 FloydHoareUtils]: At program point L34-1(lines 34 43) the Hoare annotation is: (not (and (= |ULTIMATE.start_main_#t~post6#1| 0) (= |ULTIMATE.start_main_~x~0#1| 1) (< ~counter~0 1) (= |ULTIMATE.start_main_~y~0#1| 1))) [2024-11-25 04:49:08,970 INFO L77 FloydHoareUtils]: At program point L34-2(lines 34 43) the Hoare annotation is: true [2024-11-25 04:49:08,971 INFO L77 FloydHoareUtils]: At program point L34-4(lines 34 43) the Hoare annotation is: true [2024-11-25 04:49:08,971 INFO L77 FloydHoareUtils]: At program point L34-5(lines 34 43) the Hoare annotation is: true [2024-11-25 04:49:08,971 INFO L77 FloydHoareUtils]: At program point L35(lines 34 43) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|) |ULTIMATE.start_main_~x~0#1|) (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) 1)) [2024-11-25 04:49:08,971 INFO L77 FloydHoareUtils]: At program point L16(lines 16 17) the Hoare annotation is: true [2024-11-25 04:49:08,971 INFO L77 FloydHoareUtils]: At program point L15(lines 15 18) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-11-25 04:49:08,971 INFO L77 FloydHoareUtils]: At program point L15-2(lines 14 20) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-25 04:49:08,972 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 14 20) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-25 04:49:08,972 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-11-25 04:49:08,972 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) the Hoare annotation is: true [2024-11-25 04:49:08,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:49:08 ImpRootNode [2024-11-25 04:49:08,992 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:49:08,993 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:49:08,994 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:49:08,994 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:49:08,995 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:49:00" (3/4) ... [2024-11-25 04:49:08,999 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 04:49:09,003 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-25 04:49:09,007 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-25 04:49:09,007 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-25 04:49:09,007 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 04:49:09,007 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 04:49:09,116 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe07fda-9a02-4544-a164-50e263680bc1/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:49:09,116 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe07fda-9a02-4544-a164-50e263680bc1/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:49:09,116 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:49:09,120 INFO L158 Benchmark]: Toolchain (without parser) took 9620.28ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 53.4MB in the end (delta: 39.4MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2024-11-25 04:49:09,120 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:49:09,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.16ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.2MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:49:09,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.55ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.3MB in the end (delta: 936.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:49:09,122 INFO L158 Benchmark]: Boogie Preprocessor took 34.63ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.4MB in the end (delta: 880.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:49:09,123 INFO L158 Benchmark]: RCFGBuilder took 436.73ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 69.4MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:49:09,123 INFO L158 Benchmark]: CodeCheck took 8609.76ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 57.2MB in the end (delta: 11.9MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-11-25 04:49:09,124 INFO L158 Benchmark]: Witness Printer took 123.79ms. Allocated memory is still 117.4MB. Free memory was 57.2MB in the beginning and 53.4MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:49:09,126 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 161 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 172 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 302 IncrementalHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 123 mSolverCounterUnsat, 128 mSDtfsCounter, 302 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 556 GetRequests, 477 SyntacticMatches, 7 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1693 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 193 SizeOfPredicates, 2 NumberOfNonLiveVariables, 115 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 5/11 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 17]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((0 < cond) || (cond == 0)) Ensures: ((cond != 0) && (counter == \old(counter))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.16ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.2MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.55ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.3MB in the end (delta: 936.5kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.63ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.4MB in the end (delta: 880.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 436.73ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 69.4MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 8609.76ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 57.2MB in the end (delta: 11.9MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Witness Printer took 123.79ms. Allocated memory is still 117.4MB. Free memory was 57.2MB in the beginning and 53.4MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 04:49:09,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe07fda-9a02-4544-a164-50e263680bc1/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE