./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.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_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/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_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/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_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/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 21f79dea7aad8546a3e0176902289dccc4338c9a5ec0cb74e31e8a84f408fa52 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:45:11,381 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:45:11,430 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:45:11,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:45:11,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:45:11,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:45:11,450 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:45:11,451 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:45:11,451 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:45:11,451 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:45:11,451 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:45:11,451 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:45:11,451 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:45:11,451 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:45:11,452 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:45:11,452 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:45:11,452 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:45:11,452 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:45:11,452 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:45:11,452 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:45:11,452 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:45:11,452 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:45:11,452 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:45:11,452 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:45:11,452 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:45:11,452 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:45:11,453 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:45:11,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:45:11,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:45:11,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:45:11,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:45:11,453 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:45:11,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:45:11,453 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_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/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 -> 21f79dea7aad8546a3e0176902289dccc4338c9a5ec0cb74e31e8a84f408fa52 [2024-12-05 23:45:11,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:45:11,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:45:11,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:45:11,658 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:45:11,658 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:45:11,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-12-05 23:45:14,252 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/data/403f38c0b/9bfedb92c048404aabaf1e7437e3c76a/FLAG4cc639f0c [2024-12-05 23:45:14,441 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:45:14,441 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-12-05 23:45:14,447 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/data/403f38c0b/9bfedb92c048404aabaf1e7437e3c76a/FLAG4cc639f0c [2024-12-05 23:45:14,824 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/data/403f38c0b/9bfedb92c048404aabaf1e7437e3c76a [2024-12-05 23:45:14,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:45:14,828 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:45:14,829 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:45:14,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:45:14,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:45:14,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:45:14" (1/1) ... [2024-12-05 23:45:14,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34925122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:14, skipping insertion in model container [2024-12-05 23:45:14,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:45:14" (1/1) ... [2024-12-05 23:45:14,848 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:45:14,981 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_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c[537,550] [2024-12-05 23:45:14,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:45:15,008 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:45:15,019 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_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c[537,550] [2024-12-05 23:45:15,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:45:15,038 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:45:15,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:15 WrapperNode [2024-12-05 23:45:15,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:45:15,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:45:15,040 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:45:15,040 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:45:15,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:15" (1/1) ... [2024-12-05 23:45:15,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:15" (1/1) ... [2024-12-05 23:45:15,066 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2024-12-05 23:45:15,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:45:15,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:45:15,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:45:15,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:45:15,074 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:15" (1/1) ... [2024-12-05 23:45:15,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:15" (1/1) ... [2024-12-05 23:45:15,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:15" (1/1) ... [2024-12-05 23:45:15,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:15" (1/1) ... [2024-12-05 23:45:15,078 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:15" (1/1) ... [2024-12-05 23:45:15,079 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:15" (1/1) ... [2024-12-05 23:45:15,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:15" (1/1) ... [2024-12-05 23:45:15,083 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:15" (1/1) ... [2024-12-05 23:45:15,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:15" (1/1) ... [2024-12-05 23:45:15,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:45:15,087 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:45:15,087 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:45:15,087 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:45:15,088 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:45:15" (1/1) ... [2024-12-05 23:45:15,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:45:15,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:45:15,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:45:15,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:45:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:45:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 23:45:15,140 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 23:45:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:45:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:45:15,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:45:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:45:15,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:45:15,193 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:45:15,196 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:45:15,335 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-05 23:45:15,335 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:45:15,374 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:45:15,374 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:45:15,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:45:15 BoogieIcfgContainer [2024-12-05 23:45:15,375 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:45:15,376 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:45:15,376 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:45:15,387 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:45:15,387 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:45:15" (1/1) ... [2024-12-05 23:45:15,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:45:15,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:45:15,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-12-05 23:45:15,447 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-12-05 23:45:15,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 23:45:15,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:45:15,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:45:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:15,603 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:45:15,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:45:15,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-12-05 23:45:15,634 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-12-05 23:45:15,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:45:15,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:45:15,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:45:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:15,789 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:45:15,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:45:15,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 29 transitions. [2024-12-05 23:45:15,864 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-12-05 23:45:15,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:45:15,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:45:15,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:45:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:45:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:15,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 23:45:15,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:45:16,092 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:45:16,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:45:16,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 39 transitions. [2024-12-05 23:45:16,357 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2024-12-05 23:45:16,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 23:45:16,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:45:16,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:45:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:16,864 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:45:18,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:45:18,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 39 transitions. [2024-12-05 23:45:18,511 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2024-12-05 23:45:18,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:45:18,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:45:18,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:45:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:18,781 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:45:20,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:45:20,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 49 transitions. [2024-12-05 23:45:20,156 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2024-12-05 23:45:20,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:45:20,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:45:20,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:45:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:45:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:22,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 23:45:22,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:45:22,950 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:45:29,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:45:30,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:45:30,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 37 states and 63 transitions. [2024-12-05 23:45:30,198 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 63 transitions. [2024-12-05 23:45:30,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:45:30,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:45:30,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:45:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:45:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:32,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 23:45:32,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:45:44,083 WARN L286 SmtUtils]: Spent 10.18s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 23:45:54,224 WARN L286 SmtUtils]: Spent 10.14s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 23:46:06,887 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 23:46:17,107 WARN L286 SmtUtils]: Spent 10.22s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 23:46:27,200 WARN L286 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 23:46:27,249 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 23:46:36,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:46:37,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:46:37,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 46 states and 85 transitions. [2024-12-05 23:46:37,580 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2024-12-05 23:46:37,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:46:37,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:46:37,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:46:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:46:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:38,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 23:46:38,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:46:38,198 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:47:28,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:47:40,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:40,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 48 states and 87 transitions. [2024-12-05 23:47:40,074 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 87 transitions. [2024-12-05 23:47:40,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 23:47:40,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:40,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:47:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:40,320 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-05 23:47:52,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:52,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 52 states and 102 transitions. [2024-12-05 23:47:52,416 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 102 transitions. [2024-12-05 23:47:52,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 23:47:52,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:52,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:47:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:52,516 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-05 23:48:49,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:49,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 53 states and 106 transitions. [2024-12-05 23:48:49,133 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 106 transitions. [2024-12-05 23:48:49,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 23:48:49,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:49,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:48:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:48:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:55,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-05 23:48:55,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:49:11,442 WARN L286 SmtUtils]: Spent 10.20s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 23:49:21,589 WARN L286 SmtUtils]: Spent 10.15s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 23:49:31,649 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 23:49:42,010 WARN L286 SmtUtils]: Spent 10.36s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 23:49:55,084 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 23:50:00,737 WARN L286 SmtUtils]: Spent 5.62s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 23:50:12,326 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 23:50:22,377 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 23:50:35,727 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 23:50:43,808 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 23:50:52,673 WARN L286 SmtUtils]: Spent 8.86s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 23:51:04,413 WARN L286 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 23:51:13,675 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:52:38,518 WARN L286 SmtUtils]: Spent 17.14s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:53:07,428 WARN L286 SmtUtils]: Spent 23.76s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:53:53,553 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 [] [2024-12-05 23:54:21,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:54:22,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:22,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 61 states and 133 transitions. [2024-12-05 23:54:22,362 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 133 transitions. [2024-12-05 23:54:22,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 23:54:22,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:22,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:54:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:22,457 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-05 23:54:26,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:26,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 61 states and 132 transitions. [2024-12-05 23:54:26,554 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 132 transitions. [2024-12-05 23:54:26,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 23:54:26,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:26,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:54:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:54:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:54:36,626 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) [2024-12-05 23:54:36,629 INFO L158 Benchmark]: Toolchain (without parser) took 561801.28ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 92.9MB in the beginning and 133.9MB in the end (delta: -41.0MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2024-12-05 23:54:36,629 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:54:36,629 INFO L158 Benchmark]: CACSL2BoogieTranslator took 209.78ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:54:36,630 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.09ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:54:36,630 INFO L158 Benchmark]: Boogie Preprocessor took 19.06ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.4MB in the end (delta: 826.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:54:36,630 INFO L158 Benchmark]: RCFGBuilder took 288.39ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 66.9MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:54:36,631 INFO L158 Benchmark]: CodeCheck took 561252.59ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 66.7MB in the beginning and 133.9MB in the end (delta: -67.2MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-12-05 23:54:36,632 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 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 209.78ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.09ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.06ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.4MB in the end (delta: 826.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 288.39ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 66.9MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 561252.59ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 66.7MB in the beginning and 133.9MB in the end (delta: -67.2MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:54:36,838 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-05 23:54:36,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/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_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/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_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/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 21f79dea7aad8546a3e0176902289dccc4338c9a5ec0cb74e31e8a84f408fa52 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:54:38,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:54:38,794 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:54:38,818 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:54:38,818 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:54:38,818 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:54:38,819 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:54:38,819 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:54:38,819 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:54:38,819 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:54:38,819 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:54:38,819 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:54:38,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:54:38,819 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:54:38,819 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:54:38,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:54:38,820 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:54:38,820 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:54:38,820 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:54:38,820 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:54:38,820 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:54:38,820 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:54:38,820 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:54:38,820 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:54:38,820 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:54:38,821 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:54:38,821 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:54:38,821 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:54:38,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:54:38,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:54:38,821 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:54:38,821 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:54:38,821 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:54:38,822 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:54:38,822 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:54:38,822 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:54:38,822 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_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/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 -> 21f79dea7aad8546a3e0176902289dccc4338c9a5ec0cb74e31e8a84f408fa52 [2024-12-05 23:54:39,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:54:39,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:54:39,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:54:39,052 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:54:39,052 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:54:39,053 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-12-05 23:54:41,904 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/data/5899d9420/07e6d0269fd64e49804eeb14a8397a2a/FLAG4dd334575 [2024-12-05 23:54:42,144 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:54:42,145 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-12-05 23:54:42,156 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/data/5899d9420/07e6d0269fd64e49804eeb14a8397a2a/FLAG4dd334575 [2024-12-05 23:54:42,470 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/data/5899d9420/07e6d0269fd64e49804eeb14a8397a2a [2024-12-05 23:54:42,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:54:42,475 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:54:42,477 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:54:42,477 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:54:42,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:54:42,484 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:54:42" (1/1) ... [2024-12-05 23:54:42,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa03e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:42, skipping insertion in model container [2024-12-05 23:54:42,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:54:42" (1/1) ... [2024-12-05 23:54:42,503 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:54:42,667 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_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c[537,550] [2024-12-05 23:54:42,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:54:42,703 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:54:42,718 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_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c[537,550] [2024-12-05 23:54:42,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:54:42,741 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:54:42,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:42 WrapperNode [2024-12-05 23:54:42,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:54:42,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:54:42,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:54:42,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:54:42,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:42" (1/1) ... [2024-12-05 23:54:42,759 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:42" (1/1) ... [2024-12-05 23:54:42,779 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2024-12-05 23:54:42,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:54:42,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:54:42,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:54:42,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:54:42,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:42" (1/1) ... [2024-12-05 23:54:42,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:42" (1/1) ... [2024-12-05 23:54:42,792 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:42" (1/1) ... [2024-12-05 23:54:42,793 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:42" (1/1) ... [2024-12-05 23:54:42,799 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:42" (1/1) ... [2024-12-05 23:54:42,800 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:42" (1/1) ... [2024-12-05 23:54:42,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:42" (1/1) ... [2024-12-05 23:54:42,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:42" (1/1) ... [2024-12-05 23:54:42,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:42" (1/1) ... [2024-12-05 23:54:42,809 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:54:42,810 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:54:42,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:54:42,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:54:42,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:42" (1/1) ... [2024-12-05 23:54:42,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:54:42,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:54:42,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:54:42,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:54:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:54:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:54:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 23:54:42,877 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 23:54:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:54:42,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:54:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:54:42,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:54:42,953 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:54:42,956 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:54:43,125 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-05 23:54:43,125 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:54:43,173 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:54:43,173 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:54:43,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:54:43 BoogieIcfgContainer [2024-12-05 23:54:43,174 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:54:43,174 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:54:43,174 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:54:43,184 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:54:43,184 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:54:43" (1/1) ... [2024-12-05 23:54:43,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:54:43,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:43,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-12-05 23:54:43,249 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-12-05 23:54:43,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 23:54:43,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:43,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:54:43,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:54:43,256 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:54:43,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:54:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:43,322 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:54:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:43,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-05 23:54:43,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:54:43,386 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:54:43,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:54:43,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:43,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-12-05 23:54:43,411 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-12-05 23:54:43,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:54:43,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:43,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:54:43,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:54:43,413 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:54:43,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:54:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:43,509 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:54:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:43,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:54:43,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:54:43,635 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:54:43,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 23:54:43,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:43,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-12-05 23:54:43,770 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-12-05 23:54:43,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:54:43,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:43,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:54:43,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:54:43,772 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:54:43,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 23:54:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:43,892 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:54:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:54:54,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 23:54:54,072 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) [2024-12-05 23:54:54,076 INFO L158 Benchmark]: Toolchain (without parser) took 11600.64ms. Allocated memory is still 92.3MB. Free memory was 70.1MB in the beginning and 42.6MB in the end (delta: 27.5MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-12-05 23:54:54,076 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:54:54,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.72ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 58.3MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:54:54,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.86ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 57.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:54:54,077 INFO L158 Benchmark]: Boogie Preprocessor took 29.16ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 56.1MB in the end (delta: 943.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:54:54,077 INFO L158 Benchmark]: RCFGBuilder took 363.29ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 42.3MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:54:54,078 INFO L158 Benchmark]: CodeCheck took 10900.35ms. Allocated memory is still 92.3MB. Free memory was 42.3MB in the beginning and 42.6MB in the end (delta: -327.7kB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2024-12-05 23:54:54,080 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 0.28ms. Allocated memory is still 83.9MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.72ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 58.3MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.86ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 57.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.16ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 56.1MB in the end (delta: 943.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 363.29ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 42.3MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 10900.35ms. Allocated memory is still 92.3MB. Free memory was 42.3MB in the beginning and 42.6MB in the end (delta: -327.7kB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:54:54,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a8c83b-ad04-4d0f-a15b-881c886c6b53/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