./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_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_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/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_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/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_4eeefa91-6781-4288-a50c-a314b3a5f908/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 befa5004268d4c15cae2c05402ac6cc0f86cef85e498084909e66f7e8cc4b8f3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:56:05,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:56:05,377 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:56:05,386 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:56:05,386 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:56:05,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:56:05,432 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:56:05,436 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:56:05,436 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:56:05,436 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:56:05,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:56:05,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:56:05,437 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:56:05,437 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:56:05,437 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:56:05,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:56:05,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:56:05,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:56:05,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:56:05,438 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:56:05,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:56:05,441 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:56:05,441 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:56:05,441 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:56:05,441 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:56:05,441 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:56:05,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:56:05,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:56:05,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:56:05,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:56:05,442 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:56:05,442 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:56:05,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:56:05,442 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_4eeefa91-6781-4288-a50c-a314b3a5f908/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 -> befa5004268d4c15cae2c05402ac6cc0f86cef85e498084909e66f7e8cc4b8f3 [2024-11-25 04:56:05,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:56:05,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:56:05,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:56:05,880 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:56:05,880 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:56:05,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c [2024-11-25 04:56:09,736 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/data/0e5379283/602d28ff9b0f46eca8c1176e55c4894e/FLAG79168feec [2024-11-25 04:56:10,031 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:56:10,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c [2024-11-25 04:56:10,048 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/data/0e5379283/602d28ff9b0f46eca8c1176e55c4894e/FLAG79168feec [2024-11-25 04:56:10,076 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/data/0e5379283/602d28ff9b0f46eca8c1176e55c4894e [2024-11-25 04:56:10,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:56:10,083 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:56:10,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:56:10,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:56:10,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:56:10,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:56:10" (1/1) ... [2024-11-25 04:56:10,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d9ec46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:10, skipping insertion in model container [2024-11-25 04:56:10,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:56:10" (1/1) ... [2024-11-25 04:56:10,120 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:56:10,331 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_4eeefa91-6781-4288-a50c-a314b3a5f908/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c[552,565] [2024-11-25 04:56:10,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:56:10,384 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:56:10,398 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_4eeefa91-6781-4288-a50c-a314b3a5f908/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c[552,565] [2024-11-25 04:56:10,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:56:10,421 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:56:10,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:10 WrapperNode [2024-11-25 04:56:10,422 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:56:10,424 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:56:10,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:56:10,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:56:10,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:10" (1/1) ... [2024-11-25 04:56:10,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:10" (1/1) ... [2024-11-25 04:56:10,459 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-11-25 04:56:10,459 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:56:10,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:56:10,461 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:56:10,461 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:56:10,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:10" (1/1) ... [2024-11-25 04:56:10,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:10" (1/1) ... [2024-11-25 04:56:10,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:10" (1/1) ... [2024-11-25 04:56:10,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:10" (1/1) ... [2024-11-25 04:56:10,479 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:10" (1/1) ... [2024-11-25 04:56:10,480 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:10" (1/1) ... [2024-11-25 04:56:10,487 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:10" (1/1) ... [2024-11-25 04:56:10,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:10" (1/1) ... [2024-11-25 04:56:10,492 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:10" (1/1) ... [2024-11-25 04:56:10,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:56:10,495 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:56:10,495 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:56:10,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:56:10,496 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:10" (1/1) ... [2024-11-25 04:56:10,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:56:10,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:56:10,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:56:10,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:56:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:56:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:56:10,577 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:56:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:56:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:56:10,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:56:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:56:10,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:56:10,649 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:56:10,651 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:56:10,876 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 04:56:10,876 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:56:10,929 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:56:10,929 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-25 04:56:10,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:56:10 BoogieIcfgContainer [2024-11-25 04:56:10,930 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:56:10,930 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:56:10,931 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:56:10,940 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:56:10,940 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:56:10" (1/1) ... [2024-11-25 04:56:10,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:56:11,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:11,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-25 04:56:11,017 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-25 04:56:11,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:56:11,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:11,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:56:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:11,220 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 04:56:11,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:11,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-25 04:56:11,255 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-25 04:56:11,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 04:56:11,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:11,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:56:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:11,510 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 04:56:11,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:11,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 47 transitions. [2024-11-25 04:56:11,616 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-11-25 04:56:11,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 04:56:11,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:11,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:56:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:56:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:11,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:56:11,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:12,037 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 04:56:12,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:12,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 61 transitions. [2024-11-25 04:56:12,465 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2024-11-25 04:56:12,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 04:56:12,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:12,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:56:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:56:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:56:22,610 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:56:22,614 INFO L158 Benchmark]: Toolchain (without parser) took 12530.60ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 63.5MB in the end (delta: 28.8MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2024-11-25 04:56:22,614 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:56:22,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.57ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 80.8MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:56:22,615 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.55ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.4MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:56:22,616 INFO L158 Benchmark]: Boogie Preprocessor took 33.13ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.6MB in the end (delta: 811.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:56:22,616 INFO L158 Benchmark]: RCFGBuilder took 434.88ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 66.1MB in the end (delta: 12.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:56:22,617 INFO L158 Benchmark]: CodeCheck took 11682.17ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 63.5MB in the end (delta: 2.3MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-11-25 04:56:22,619 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.57ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 80.8MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.55ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.4MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.13ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.6MB in the end (delta: 811.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 434.88ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 66.1MB in the end (delta: 12.5MB). There was no memory consumed. Max. memory is 16.1GB. * CodeCheck took 11682.17ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 63.5MB in the end (delta: 2.3MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:56:22,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/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 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_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/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_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/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_4eeefa91-6781-4288-a50c-a314b3a5f908/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 befa5004268d4c15cae2c05402ac6cc0f86cef85e498084909e66f7e8cc4b8f3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:56:25,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:56:25,838 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 04:56:25,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:56:25,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:56:25,886 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:56:25,887 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:56:25,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:56:25,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:56:25,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:56:25,888 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:56:25,888 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:56:25,888 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:56:25,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:56:25,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:56:25,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:56:25,889 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:56:25,889 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:56:25,889 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:56:25,889 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:56:25,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:56:25,890 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:56:25,890 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:56:25,890 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:56:25,890 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:56:25,891 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:56:25,891 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:25,891 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:56:25,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:56:25,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:56:25,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:56:25,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:56:25,892 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:56:25,892 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:56:25,892 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:25,893 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:56:25,893 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_4eeefa91-6781-4288-a50c-a314b3a5f908/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 -> befa5004268d4c15cae2c05402ac6cc0f86cef85e498084909e66f7e8cc4b8f3 [2024-11-25 04:56:26,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:56:26,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:56:26,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:56:26,241 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:56:26,242 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:56:26,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c [2024-11-25 04:56:29,712 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/data/08fa474d2/ea4e8fc1b967425ab8e7054f8d4c9b9c/FLAG1018bf6ae [2024-11-25 04:56:29,992 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:56:29,993 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c [2024-11-25 04:56:30,004 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/data/08fa474d2/ea4e8fc1b967425ab8e7054f8d4c9b9c/FLAG1018bf6ae [2024-11-25 04:56:30,294 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/data/08fa474d2/ea4e8fc1b967425ab8e7054f8d4c9b9c [2024-11-25 04:56:30,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:56:30,303 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:56:30,306 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:56:30,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:56:30,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:56:30,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:56:30" (1/1) ... [2024-11-25 04:56:30,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aaa67ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:30, skipping insertion in model container [2024-11-25 04:56:30,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:56:30" (1/1) ... [2024-11-25 04:56:30,340 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:56:30,563 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_4eeefa91-6781-4288-a50c-a314b3a5f908/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c[552,565] [2024-11-25 04:56:30,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:56:30,611 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:56:30,627 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_4eeefa91-6781-4288-a50c-a314b3a5f908/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c[552,565] [2024-11-25 04:56:30,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:56:30,658 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:56:30,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:30 WrapperNode [2024-11-25 04:56:30,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:56:30,660 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:56:30,660 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:56:30,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:56:30,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:30" (1/1) ... [2024-11-25 04:56:30,679 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:30" (1/1) ... [2024-11-25 04:56:30,700 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-11-25 04:56:30,701 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:56:30,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:56:30,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:56:30,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:56:30,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:30" (1/1) ... [2024-11-25 04:56:30,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:30" (1/1) ... [2024-11-25 04:56:30,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:30" (1/1) ... [2024-11-25 04:56:30,715 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:30" (1/1) ... [2024-11-25 04:56:30,722 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:30" (1/1) ... [2024-11-25 04:56:30,723 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:30" (1/1) ... [2024-11-25 04:56:30,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:30" (1/1) ... [2024-11-25 04:56:30,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:30" (1/1) ... [2024-11-25 04:56:30,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:30" (1/1) ... [2024-11-25 04:56:30,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:56:30,734 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:56:30,734 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:56:30,734 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:56:30,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:30" (1/1) ... [2024-11-25 04:56:30,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:56:30,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:56:30,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:56:30,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:56:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:56:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:56:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:56:30,825 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:56:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:56:30,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:56:30,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:56:30,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:56:30,931 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:56:30,934 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:56:31,267 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 04:56:31,268 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:56:31,349 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:56:31,349 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-25 04:56:31,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:56:31 BoogieIcfgContainer [2024-11-25 04:56:31,350 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:56:31,350 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:56:31,351 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:56:31,365 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:56:31,366 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:56:31" (1/1) ... [2024-11-25 04:56:31,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:56:31,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:31,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-25 04:56:31,452 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-25 04:56:31,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:56:31,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:31,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:31,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:31,465 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:31,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:56:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:31,618 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:31,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 04:56:31,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:31,726 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 04:56:31,728 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 04:56:31,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 04:56:31,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:31,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-25 04:56:31,762 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-25 04:56:31,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 04:56:31,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:31,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:31,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:31,766 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:31,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:56:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:31,971 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:32,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 04:56:32,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:32,209 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 04:56:32,212 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 04:56:32,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 04:56:32,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:32,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2024-11-25 04:56:32,412 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-11-25 04:56:32,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 04:56:32,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:32,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:32,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:32,417 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:32,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 04:56:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:32,624 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:56:42,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 04:56:42,861 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:56:42,868 INFO L158 Benchmark]: Toolchain (without parser) took 12565.18ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 89.3MB in the end (delta: 4.6MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2024-11-25 04:56:42,873 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:56:42,873 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.46ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 81.5MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:56:42,874 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.04ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:56:42,874 INFO L158 Benchmark]: Boogie Preprocessor took 31.37ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.2MB in the end (delta: 937.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:56:42,875 INFO L158 Benchmark]: RCFGBuilder took 615.87ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 65.2MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:56:42,875 INFO L158 Benchmark]: CodeCheck took 11516.18ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 89.3MB in the end (delta: -24.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:56:42,882 INFO L338 ainManager$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 0.45ms. Allocated memory is still 83.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.46ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 81.5MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.04ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.37ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.2MB in the end (delta: 937.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 615.87ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 65.2MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 11516.18ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 89.3MB in the end (delta: -24.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:56:42,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeefa91-6781-4288-a50c-a314b3a5f908/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