./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/lcm2.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_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/lcm2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b --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 e0d433468442fea01fd6f51a5fcaea8db7e3b564878994442665eb482321c037 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:26:35,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:26:35,611 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:26:35,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:26:35,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:26:35,633 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:26:35,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:26:35,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:26:35,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:26:35,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:26:35,635 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:26:35,635 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:26:35,635 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:26:35,635 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:26:35,635 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:26:35,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:26:35,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:26:35,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:26:35,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:26:35,635 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:26:35,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:26:35,635 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:26:35,636 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:26:35,636 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:26:35,636 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:26:35,636 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:26:35,636 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:26:35,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:26:35,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:26:35,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:26:35,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:26:35,636 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:26:35,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:26:35,636 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_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b 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 -> e0d433468442fea01fd6f51a5fcaea8db7e3b564878994442665eb482321c037 [2024-12-06 04:26:35,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:26:35,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:26:35,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:26:35,883 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:26:35,883 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:26:35,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench/lcm2.c [2024-12-06 04:26:38,483 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/data/8cd573712/8e051a3849d843d2b25dde6721259f13/FLAG12f8931cc [2024-12-06 04:26:38,685 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:26:38,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/sv-benchmarks/c/nla-digbench/lcm2.c [2024-12-06 04:26:38,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/data/8cd573712/8e051a3849d843d2b25dde6721259f13/FLAG12f8931cc [2024-12-06 04:26:38,703 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/data/8cd573712/8e051a3849d843d2b25dde6721259f13 [2024-12-06 04:26:38,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:26:38,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:26:38,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:26:38,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:26:38,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:26:38,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:26:38" (1/1) ... [2024-12-06 04:26:38,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aa103f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:26:38, skipping insertion in model container [2024-12-06 04:26:38,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:26:38" (1/1) ... [2024-12-06 04:26:38,724 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:26:38,832 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_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/sv-benchmarks/c/nla-digbench/lcm2.c[537,550] [2024-12-06 04:26:38,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:26:38,853 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:26:38,861 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_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/sv-benchmarks/c/nla-digbench/lcm2.c[537,550] [2024-12-06 04:26:38,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:26:38,878 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:26:38,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:26:38 WrapperNode [2024-12-06 04:26:38,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:26:38,880 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:26:38,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:26:38,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:26:38,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:26:38" (1/1) ... [2024-12-06 04:26:38,890 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:26:38" (1/1) ... [2024-12-06 04:26:38,902 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2024-12-06 04:26:38,902 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:26:38,903 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:26:38,903 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:26:38,903 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:26:38,908 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:26:38" (1/1) ... [2024-12-06 04:26:38,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:26:38" (1/1) ... [2024-12-06 04:26:38,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:26:38" (1/1) ... [2024-12-06 04:26:38,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:26:38" (1/1) ... [2024-12-06 04:26:38,912 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:26:38" (1/1) ... [2024-12-06 04:26:38,913 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:26:38" (1/1) ... [2024-12-06 04:26:38,915 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:26:38" (1/1) ... [2024-12-06 04:26:38,916 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:26:38" (1/1) ... [2024-12-06 04:26:38,917 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:26:38" (1/1) ... [2024-12-06 04:26:38,918 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:26:38,919 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:26:38,919 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:26:38,919 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:26:38,920 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:26:38" (1/1) ... [2024-12-06 04:26:38,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:26:38,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:26:38,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:26:38,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:26:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:26:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 04:26:38,969 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 04:26:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:26:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:26:38,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:26:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:26:38,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:26:39,014 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:26:39,015 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:26:39,124 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 04:26:39,124 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:26:39,160 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:26:39,160 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 04:26:39,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:26:39 BoogieIcfgContainer [2024-12-06 04:26:39,160 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:26:39,161 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:26:39,161 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:26:39,169 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:26:39,169 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:26:39" (1/1) ... [2024-12-06 04:26:39,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:26:39,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:39,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-12-06 04:26:39,216 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-12-06 04:26:39,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:26:39,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:39,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:26:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:26:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:39,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:26:39,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:39,520 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 04:26:39,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:39,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-12-06 04:26:39,639 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-12-06 04:26:39,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 04:26:39,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:39,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:26:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:39,989 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 04:26:43,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:26:43,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:43,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2024-12-06 04:26:43,457 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2024-12-06 04:26:43,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 04:26:43,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:43,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:26:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:26:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:46,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 04:26:46,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:19,058 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 04:27:48,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:27:51,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:51,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2024-12-06 04:27:51,777 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2024-12-06 04:27:51,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 04:27:51,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:51,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:27:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:27:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:52,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 04:27:52,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:02,428 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 04:29:19,914 WARN L286 SmtUtils]: Spent 5.45s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 04:30:01,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.69s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:30:11,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:30:12,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:30:22,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:30:24,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:24,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 28 states and 45 transitions. [2024-12-06 04:30:24,005 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2024-12-06 04:30:24,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:30:24,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:24,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:30:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:30:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:29,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-06 04:30:29,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:14,020 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 04:31:44,225 WARN L286 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 04:32:58,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:33:10,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:33:12,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:33:14,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:33:15,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:15,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 33 states and 57 transitions. [2024-12-06 04:33:15,351 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-12-06 04:33:15,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 04:33:15,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:15,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:33:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:33:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:33:25,455 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:33:25,458 INFO L158 Benchmark]: Toolchain (without parser) took 406751.73ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 83.5MB in the end (delta: 10.1MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2024-12-06 04:33:25,458 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:33:25,458 INFO L158 Benchmark]: CACSL2BoogieTranslator took 171.77ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 82.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:33:25,459 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.42ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:33:25,459 INFO L158 Benchmark]: Boogie Preprocessor took 15.68ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.5MB in the end (delta: 603.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:33:25,459 INFO L158 Benchmark]: RCFGBuilder took 241.49ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 68.1MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:33:25,459 INFO L158 Benchmark]: CodeCheck took 406296.34ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 83.5MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:33:25,461 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 171.77ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 82.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.42ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.68ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.5MB in the end (delta: 603.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 241.49ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 68.1MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 406296.34ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 83.5MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:33:25,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/lcm2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b --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 e0d433468442fea01fd6f51a5fcaea8db7e3b564878994442665eb482321c037 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:33:27,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:33:27,397 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 04:33:27,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:33:27,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:33:27,422 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:33:27,422 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:33:27,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:33:27,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:33:27,422 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:33:27,423 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:33:27,423 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:33:27,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:33:27,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:33:27,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:33:27,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:33:27,423 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:33:27,423 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:33:27,423 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:33:27,423 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:33:27,423 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:33:27,424 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:33:27,424 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:33:27,424 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:33:27,424 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:33:27,424 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:33:27,424 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:27,424 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:33:27,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:33:27,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:33:27,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:33:27,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:33:27,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:33:27,425 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:33:27,425 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:27,425 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:33:27,425 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_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b 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 -> e0d433468442fea01fd6f51a5fcaea8db7e3b564878994442665eb482321c037 [2024-12-06 04:33:27,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:33:27,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:33:27,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:33:27,649 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:33:27,649 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:33:27,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench/lcm2.c [2024-12-06 04:33:30,317 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/data/815f82665/e679b8bae0be46f3b68bc8f53721c1f3/FLAG114658d14 [2024-12-06 04:33:30,507 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:33:30,508 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/sv-benchmarks/c/nla-digbench/lcm2.c [2024-12-06 04:33:30,515 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/data/815f82665/e679b8bae0be46f3b68bc8f53721c1f3/FLAG114658d14 [2024-12-06 04:33:30,529 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/data/815f82665/e679b8bae0be46f3b68bc8f53721c1f3 [2024-12-06 04:33:30,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:33:30,533 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:33:30,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:33:30,534 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:33:30,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:33:30,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:33:30" (1/1) ... [2024-12-06 04:33:30,539 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33b089cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:30, skipping insertion in model container [2024-12-06 04:33:30,539 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:33:30" (1/1) ... [2024-12-06 04:33:30,553 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:33:30,688 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_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/sv-benchmarks/c/nla-digbench/lcm2.c[537,550] [2024-12-06 04:33:30,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:33:30,714 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:33:30,725 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_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/sv-benchmarks/c/nla-digbench/lcm2.c[537,550] [2024-12-06 04:33:30,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:33:30,744 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:33:30,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:30 WrapperNode [2024-12-06 04:33:30,744 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:33:30,745 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:33:30,745 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:33:30,745 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:33:30,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:30" (1/1) ... [2024-12-06 04:33:30,758 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:30" (1/1) ... [2024-12-06 04:33:30,772 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2024-12-06 04:33:30,773 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:33:30,773 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:33:30,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:33:30,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:33:30,779 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:30" (1/1) ... [2024-12-06 04:33:30,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:30" (1/1) ... [2024-12-06 04:33:30,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:30" (1/1) ... [2024-12-06 04:33:30,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:30" (1/1) ... [2024-12-06 04:33:30,785 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:30" (1/1) ... [2024-12-06 04:33:30,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:30" (1/1) ... [2024-12-06 04:33:30,789 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:30" (1/1) ... [2024-12-06 04:33:30,790 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:30" (1/1) ... [2024-12-06 04:33:30,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:30" (1/1) ... [2024-12-06 04:33:30,792 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:33:30,793 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:33:30,793 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:33:30,794 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:33:30,794 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:30" (1/1) ... [2024-12-06 04:33:30,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:33:30,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:33:30,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:33:30,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:33:30,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:33:30,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:33:30,852 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 04:33:30,852 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 04:33:30,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:33:30,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:33:30,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:33:30,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:33:30,910 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:33:30,912 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:33:31,034 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 04:33:31,034 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:33:31,076 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:33:31,076 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 04:33:31,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:33:31 BoogieIcfgContainer [2024-12-06 04:33:31,077 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:33:31,077 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:33:31,077 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:33:31,084 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:33:31,085 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:33:31" (1/1) ... [2024-12-06 04:33:31,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:33:31,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:31,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-12-06 04:33:31,131 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-12-06 04:33:31,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:33:31,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:31,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:31,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:31,137 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:31,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:33:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:31,250 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:33:41,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:33:41,459 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:33:41,462 INFO L158 Benchmark]: Toolchain (without parser) took 10929.29ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 62.6MB in the end (delta: 7.2MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2024-12-06 04:33:41,462 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:33:41,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.02ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 57.9MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:33:41,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.42ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 56.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:33:41,463 INFO L158 Benchmark]: Boogie Preprocessor took 19.53ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 55.9MB in the end (delta: 880.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:33:41,463 INFO L158 Benchmark]: RCFGBuilder took 283.38ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 42.3MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:33:41,464 INFO L158 Benchmark]: CodeCheck took 10383.74ms. Allocated memory is still 92.3MB. Free memory was 42.3MB in the beginning and 62.6MB in the end (delta: -20.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:33:41,465 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.02ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 57.9MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.42ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 56.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.53ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 55.9MB in the end (delta: 880.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 283.38ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 42.3MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10383.74ms. Allocated memory is still 92.3MB. Free memory was 42.3MB in the beginning and 62.6MB in the end (delta: -20.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:33:41,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ba7f32-2e5d-46a8-93a6-b59ee01ca870/bin/ukojak-verify-CZk0znPC7b/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown