./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.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_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6518e3283e254ed16f96ad802609fc9f9c972959c7f4631066de203a846c5b0d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:21:46,419 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:21:46,476 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:21:46,480 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:21:46,481 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:21:46,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:21:46,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:21:46,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:21:46,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:21:46,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:21:46,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:21:46,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:21:46,505 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:21:46,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:21:46,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:21:46,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:21:46,505 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:21:46,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:21:46,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:21:46,506 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:21:46,506 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:21:46,506 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:21:46,506 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:21:46,506 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:21:46,506 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:21:46,506 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:21:46,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:21:46,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:21:46,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:21:46,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:21:46,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:21:46,507 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:21:46,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:21:46,507 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_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6518e3283e254ed16f96ad802609fc9f9c972959c7f4631066de203a846c5b0d [2024-11-25 03:21:46,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:21:46,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:21:46,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:21:46,811 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:21:46,813 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:21:46,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-11-25 03:21:49,715 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/data/3cc7338cd/7790fc3a84d8479b921c72f7811ef506/FLAG6a6b44fa7 [2024-11-25 03:21:49,996 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:21:49,996 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-11-25 03:21:50,003 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/data/3cc7338cd/7790fc3a84d8479b921c72f7811ef506/FLAG6a6b44fa7 [2024-11-25 03:21:50,018 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/data/3cc7338cd/7790fc3a84d8479b921c72f7811ef506 [2024-11-25 03:21:50,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:21:50,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:21:50,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:21:50,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:21:50,029 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:21:50,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:21:50" (1/1) ... [2024-11-25 03:21:50,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d22c6b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:50, skipping insertion in model container [2024-11-25 03:21:50,031 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:21:50" (1/1) ... [2024-11-25 03:21:50,046 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:21:50,192 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_567d9f6f-1923-44b5-b944-ddc37eeef5b8/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2024-11-25 03:21:50,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:21:50,229 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:21:50,240 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_567d9f6f-1923-44b5-b944-ddc37eeef5b8/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2024-11-25 03:21:50,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:21:50,258 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:21:50,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:50 WrapperNode [2024-11-25 03:21:50,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:21:50,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:21:50,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:21:50,260 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:21:50,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:50" (1/1) ... [2024-11-25 03:21:50,273 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:50" (1/1) ... [2024-11-25 03:21:50,289 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2024-11-25 03:21:50,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:21:50,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:21:50,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:21:50,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:21:50,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:50" (1/1) ... [2024-11-25 03:21:50,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:50" (1/1) ... [2024-11-25 03:21:50,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:50" (1/1) ... [2024-11-25 03:21:50,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:50" (1/1) ... [2024-11-25 03:21:50,302 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:50" (1/1) ... [2024-11-25 03:21:50,308 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:50" (1/1) ... [2024-11-25 03:21:50,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:50" (1/1) ... [2024-11-25 03:21:50,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:50" (1/1) ... [2024-11-25 03:21:50,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:50" (1/1) ... [2024-11-25 03:21:50,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:21:50,321 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:21:50,321 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:21:50,321 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:21:50,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:50" (1/1) ... [2024-11-25 03:21:50,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:21:50,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:21:50,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:21:50,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:21:50,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:21:50,400 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:21:50,400 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:21:50,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:21:50,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:21:50,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:21:50,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:21:50,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:21:50,465 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:21:50,467 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:21:50,627 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 03:21:50,627 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:21:50,667 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:21:50,667 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:21:50,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:21:50 BoogieIcfgContainer [2024-11-25 03:21:50,668 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:21:50,669 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:21:50,669 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:21:50,679 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:21:50,679 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:21:50" (1/1) ... [2024-11-25 03:21:50,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:21:50,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:50,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-25 03:21:50,742 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-25 03:21:50,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:21:50,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:50,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:50,905 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:21:50,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:50,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-25 03:21:50,936 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-25 03:21:50,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 03:21:50,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:50,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:51,232 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:21:51,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:51,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 29 transitions. [2024-11-25 03:21:51,311 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-25 03:21:51,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 03:21:51,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:51,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:21:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:51,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 03:21:51,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:51,615 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:21:52,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:52,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 39 transitions. [2024-11-25 03:21:52,030 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2024-11-25 03:21:52,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 03:21:52,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:52,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:52,447 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:21:54,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:54,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 39 transitions. [2024-11-25 03:21:54,038 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2024-11-25 03:21:54,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:21:54,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:54,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:54,223 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:21:55,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:55,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 49 transitions. [2024-11-25 03:21:55,298 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2024-11-25 03:21:55,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:21:55,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:55,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:21:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:56,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 03:21:56,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:58,345 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:22:04,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:22:08,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:22:08,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 37 states and 63 transitions. [2024-11-25 03:22:08,405 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 63 transitions. [2024-11-25 03:22:08,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:22:08,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:22:08,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:22:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:22:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:08,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 03:22:08,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:22:10,068 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:22:14,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:22:14,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 66 transitions. [2024-11-25 03:22:14,842 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2024-11-25 03:22:14,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 03:22:14,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:22:14,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:22:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:15,106 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-25 03:22:21,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:22:21,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 43 states and 80 transitions. [2024-11-25 03:22:21,719 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 80 transitions. [2024-11-25 03:22:21,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 03:22:21,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:22:21,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:22:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:22:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:31,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-25 03:22:31,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:23:22,971 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 03:23:33,067 WARN L286 SmtUtils]: Spent 10.10s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 03:23:47,154 WARN L286 SmtUtils]: Spent 10.10s 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) [2024-11-25 03:23:57,313 WARN L286 SmtUtils]: Spent 10.16s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 03:24:02,949 WARN L286 SmtUtils]: Spent 5.64s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 03:24:12,961 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) [2024-11-25 03:24:23,063 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 03:24:34,244 WARN L286 SmtUtils]: Spent 11.18s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 03:24:44,415 WARN L286 SmtUtils]: Spent 10.17s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 03:24:55,229 WARN L286 SmtUtils]: Spent 10.80s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 03:25:04,252 WARN L286 SmtUtils]: Spent 9.02s 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) [2024-11-25 03:25:10,787 WARN L286 SmtUtils]: Spent 6.53s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 03:25:20,862 WARN L286 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 03:25:22,126 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-25 03:26:25,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:27:15,313 WARN L286 SmtUtils]: Spent 14.23s 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) [2024-11-25 03:27:26,821 WARN L286 SmtUtils]: Spent 7.68s 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) [2024-11-25 03:28:02,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.68s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:28:20,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:28:21,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:21,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 54 states and 113 transitions. [2024-11-25 03:28:21,289 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 113 transitions. [2024-11-25 03:28:21,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 03:28:21,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:21,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:21,413 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-25 03:28:34,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:34,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 55 states and 116 transitions. [2024-11-25 03:28:34,800 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 116 transitions. [2024-11-25 03:28:34,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 03:28:34,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:34,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:28:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:28:47,100 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 03:28:47,106 INFO L158 Benchmark]: Toolchain (without parser) took 417083.25ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 74.1MB in the end (delta: 18.6MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-11-25 03:28:47,106 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:28:47,106 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.43ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.6MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:28:47,107 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.82ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:28:47,107 INFO L158 Benchmark]: Boogie Preprocessor took 27.49ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.6MB in the end (delta: 618.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:28:47,107 INFO L158 Benchmark]: RCFGBuilder took 346.77ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 67.1MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:28:47,108 INFO L158 Benchmark]: CodeCheck took 416435.91ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 74.1MB in the end (delta: -7.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:28:47,110 INFO L338 ainManager$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 0.60ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.43ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.6MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.82ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.49ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.6MB in the end (delta: 618.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 346.77ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 67.1MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 416435.91ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 74.1MB in the end (delta: -7.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:28:47,319 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 03:28:47,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/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_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6518e3283e254ed16f96ad802609fc9f9c972959c7f4631066de203a846c5b0d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:28:50,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:28:50,571 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 03:28:50,611 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:28:50,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:28:50,614 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:28:50,615 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:28:50,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:28:50,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:28:50,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:28:50,616 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:28:50,618 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:28:50,618 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:28:50,618 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:28:50,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:28:50,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:28:50,618 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:28:50,618 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:28:50,618 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:28:50,619 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:28:50,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:28:50,619 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:28:50,619 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:28:50,619 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:28:50,620 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:28:50,620 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:28:50,620 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:28:50,620 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:28:50,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:28:50,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:28:50,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:28:50,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:28:50,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:28:50,622 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:28:50,622 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:28:50,622 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:28:50,622 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_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6518e3283e254ed16f96ad802609fc9f9c972959c7f4631066de203a846c5b0d [2024-11-25 03:28:51,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:28:51,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:28:51,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:28:51,036 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:28:51,037 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:28:51,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-11-25 03:28:54,114 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/data/caf4b84d0/22cb881cef584f1abaff6c3b7f7f71ab/FLAGe47b90ff7 [2024-11-25 03:28:54,339 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:28:54,340 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-11-25 03:28:54,349 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/data/caf4b84d0/22cb881cef584f1abaff6c3b7f7f71ab/FLAGe47b90ff7 [2024-11-25 03:28:54,379 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/data/caf4b84d0/22cb881cef584f1abaff6c3b7f7f71ab [2024-11-25 03:28:54,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:28:54,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:28:54,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:28:54,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:28:54,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:28:54,399 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:28:54" (1/1) ... [2024-11-25 03:28:54,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69608390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:54, skipping insertion in model container [2024-11-25 03:28:54,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:28:54" (1/1) ... [2024-11-25 03:28:54,420 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:28:54,605 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_567d9f6f-1923-44b5-b944-ddc37eeef5b8/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2024-11-25 03:28:54,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:28:54,659 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:28:54,676 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_567d9f6f-1923-44b5-b944-ddc37eeef5b8/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2024-11-25 03:28:54,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:28:54,713 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:28:54,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:54 WrapperNode [2024-11-25 03:28:54,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:28:54,716 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:28:54,716 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:28:54,716 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:28:54,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:54" (1/1) ... [2024-11-25 03:28:54,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:54" (1/1) ... [2024-11-25 03:28:54,763 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2024-11-25 03:28:54,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:28:54,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:28:54,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:28:54,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:28:54,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:54" (1/1) ... [2024-11-25 03:28:54,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:54" (1/1) ... [2024-11-25 03:28:54,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:54" (1/1) ... [2024-11-25 03:28:54,782 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:54" (1/1) ... [2024-11-25 03:28:54,791 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:54" (1/1) ... [2024-11-25 03:28:54,796 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:54" (1/1) ... [2024-11-25 03:28:54,799 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:54" (1/1) ... [2024-11-25 03:28:54,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:54" (1/1) ... [2024-11-25 03:28:54,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:54" (1/1) ... [2024-11-25 03:28:54,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:28:54,812 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:28:54,812 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:28:54,812 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:28:54,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:54" (1/1) ... [2024-11-25 03:28:54,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:28:54,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:28:54,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:28:54,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:28:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:28:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:28:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:28:54,885 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:28:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:28:54,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:28:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:28:54,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:28:54,957 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:28:54,959 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:28:55,212 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 03:28:55,212 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:28:55,287 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:28:55,287 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:28:55,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:28:55 BoogieIcfgContainer [2024-11-25 03:28:55,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:28:55,289 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:28:55,289 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:28:55,301 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:28:55,301 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:28:55" (1/1) ... [2024-11-25 03:28:55,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:28:55,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:55,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-25 03:28:55,397 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-25 03:28:55,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:28:55,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:55,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:28:55,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:28:55,413 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:28:55,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:28:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:55,516 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:28:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:55,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 03:28:55,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:28:55,634 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:28:55,637 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 03:28:55,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:28:55,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:55,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-25 03:28:55,713 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-25 03:28:55,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 03:28:55,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:55,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:28:55,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:28:55,717 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:28:55,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:28:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:55,903 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:28:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:55,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 03:28:55,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:28:56,075 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:28:56,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 03:28:56,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:56,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-11-25 03:28:56,264 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-25 03:28:56,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 03:28:56,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:56,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:28:56,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:28:56,270 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:28:56,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 03:28:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:56,435 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:29:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:29:06,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 03:29:06,617 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 03:29:06,622 INFO L158 Benchmark]: Toolchain (without parser) took 12235.89ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 33.0MB in the end (delta: 26.7MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-11-25 03:29:06,622 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:29:06,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.74ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 47.9MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:29:06,623 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.45ms. Allocated memory is still 83.9MB. Free memory was 47.9MB in the beginning and 46.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:29:06,623 INFO L158 Benchmark]: Boogie Preprocessor took 44.47ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 45.8MB in the end (delta: 792.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:29:06,624 INFO L158 Benchmark]: RCFGBuilder took 476.23ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 31.8MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:29:06,625 INFO L158 Benchmark]: CodeCheck took 11332.07ms. Allocated memory is still 83.9MB. Free memory was 31.8MB in the beginning and 33.0MB in the end (delta: -1.1MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2024-11-25 03:29:06,628 INFO L338 ainManager$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 0.51ms. Allocated memory is still 83.9MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.74ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 47.9MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.45ms. Allocated memory is still 83.9MB. Free memory was 47.9MB in the beginning and 46.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.47ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 45.8MB in the end (delta: 792.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 476.23ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 31.8MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 11332.07ms. Allocated memory is still 83.9MB. Free memory was 31.8MB in the beginning and 33.0MB in the end (delta: -1.1MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:29:06,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_567d9f6f-1923-44b5-b944-ddc37eeef5b8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown