./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.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_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7950877d732f4800002d6a797590b13f630fa3c613f928d7858c74ba3c97d345 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:14:12,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:14:12,370 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:14:12,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:14:12,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:14:12,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:14:12,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:14:12,397 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:14:12,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:14:12,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:14:12,399 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:14:12,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:14:12,400 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:14:12,400 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:14:12,400 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:14:12,400 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:14:12,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:14:12,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:14:12,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:14:12,401 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:14:12,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:14:12,401 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:14:12,401 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:14:12,401 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:14:12,401 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:14:12,401 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:14:12,401 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:14:12,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:14:12,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:14:12,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:14:12,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:14:12,402 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:14:12,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:14:12,402 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_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7950877d732f4800002d6a797590b13f630fa3c613f928d7858c74ba3c97d345 [2024-12-06 02:14:12,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:14:12,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:14:12,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:14:12,616 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:14:12,617 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:14:12,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c [2024-12-06 02:14:15,240 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/data/9e51320df/bd1d154e6a4d4780972d682c1388b8ec/FLAG4bad315bb [2024-12-06 02:14:15,435 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:14:15,436 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c [2024-12-06 02:14:15,444 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/data/9e51320df/bd1d154e6a4d4780972d682c1388b8ec/FLAG4bad315bb [2024-12-06 02:14:15,802 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/data/9e51320df/bd1d154e6a4d4780972d682c1388b8ec [2024-12-06 02:14:15,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:14:15,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:14:15,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:14:15,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:14:15,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:14:15,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:14:15" (1/1) ... [2024-12-06 02:14:15,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5de8bd38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:15, skipping insertion in model container [2024-12-06 02:14:15,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:14:15" (1/1) ... [2024-12-06 02:14:15,821 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:14:15,929 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_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c[552,565] [2024-12-06 02:14:15,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:14:15,960 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:14:15,972 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_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c[552,565] [2024-12-06 02:14:15,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:14:15,995 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:14:15,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:15 WrapperNode [2024-12-06 02:14:15,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:14:15,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:14:15,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:14:15,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:14:16,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:15" (1/1) ... [2024-12-06 02:14:16,009 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:15" (1/1) ... [2024-12-06 02:14:16,026 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-12-06 02:14:16,026 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:14:16,027 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:14:16,027 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:14:16,027 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:14:16,035 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:15" (1/1) ... [2024-12-06 02:14:16,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:15" (1/1) ... [2024-12-06 02:14:16,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:15" (1/1) ... [2024-12-06 02:14:16,036 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:15" (1/1) ... [2024-12-06 02:14:16,040 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:15" (1/1) ... [2024-12-06 02:14:16,040 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:15" (1/1) ... [2024-12-06 02:14:16,043 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:15" (1/1) ... [2024-12-06 02:14:16,044 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:15" (1/1) ... [2024-12-06 02:14:16,045 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:15" (1/1) ... [2024-12-06 02:14:16,046 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:14:16,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:14:16,047 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:14:16,047 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:14:16,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:15" (1/1) ... [2024-12-06 02:14:16,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:14:16,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:14:16,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:14:16,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:14:16,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:14:16,110 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 02:14:16,110 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 02:14:16,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:14:16,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:14:16,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:14:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:14:16,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:14:16,171 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:14:16,173 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:14:16,342 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 02:14:16,342 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:14:16,366 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:14:16,366 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 02:14:16,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:14:16 BoogieIcfgContainer [2024-12-06 02:14:16,366 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:14:16,367 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:14:16,367 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:14:16,376 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:14:16,377 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:14:16" (1/1) ... [2024-12-06 02:14:16,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:14:16,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:16,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-12-06 02:14:16,433 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-12-06 02:14:16,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:14:16,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:16,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:14:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:16,592 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:14:16,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:16,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-12-06 02:14:16,616 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-12-06 02:14:16,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 02:14:16,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:16,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:14:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:16,756 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:14:16,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:16,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 47 transitions. [2024-12-06 02:14:16,826 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-12-06 02:14:16,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 02:14:16,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:16,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:14:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:14:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:16,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 02:14:16,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:17,085 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:14:17,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:17,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 61 transitions. [2024-12-06 02:14:17,355 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2024-12-06 02:14:17,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 02:14:17,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:17,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:14:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:14:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:14:27,430 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 02:14:27,434 INFO L158 Benchmark]: Toolchain (without parser) took 11628.42ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 89.6MB in the end (delta: 29.9MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2024-12-06 02:14:27,434 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:14:27,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.72ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 108.1MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:14:27,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.93ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:14:27,435 INFO L158 Benchmark]: Boogie Preprocessor took 19.21ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.9MB in the end (delta: 784.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:14:27,435 INFO L158 Benchmark]: RCFGBuilder took 319.98ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 92.5MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:14:27,436 INFO L158 Benchmark]: CodeCheck took 11065.90ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 89.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-12-06 02:14:27,437 INFO L338 ainManager$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 0.21ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.72ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 108.1MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.93ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.21ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.9MB in the end (delta: 784.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 319.98ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 92.5MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 11065.90ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 89.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 02:14:27,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7950877d732f4800002d6a797590b13f630fa3c613f928d7858c74ba3c97d345 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:14:29,371 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:14:29,453 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 02:14:29,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:14:29,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:14:29,482 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:14:29,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:14:29,483 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:14:29,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:14:29,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:14:29,483 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:14:29,483 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:14:29,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:14:29,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:14:29,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:14:29,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:14:29,484 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:14:29,484 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:14:29,484 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:14:29,484 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:14:29,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:14:29,484 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:14:29,484 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:14:29,484 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:14:29,485 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:14:29,485 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:14:29,485 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:29,485 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:14:29,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:14:29,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:14:29,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:14:29,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:14:29,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:14:29,485 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:14:29,486 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:29,486 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:14:29,486 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_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7950877d732f4800002d6a797590b13f630fa3c613f928d7858c74ba3c97d345 [2024-12-06 02:14:29,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:14:29,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:14:29,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:14:29,752 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:14:29,752 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:14:29,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c [2024-12-06 02:14:32,511 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/data/551bccfd9/a1a9e38f222b482f94b7b29ee2c91591/FLAG9d1215181 [2024-12-06 02:14:32,675 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:14:32,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c [2024-12-06 02:14:32,682 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/data/551bccfd9/a1a9e38f222b482f94b7b29ee2c91591/FLAG9d1215181 [2024-12-06 02:14:32,693 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/data/551bccfd9/a1a9e38f222b482f94b7b29ee2c91591 [2024-12-06 02:14:32,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:14:32,696 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:14:32,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:14:32,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:14:32,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:14:32,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:14:32" (1/1) ... [2024-12-06 02:14:32,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb0dd47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:32, skipping insertion in model container [2024-12-06 02:14:32,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:14:32" (1/1) ... [2024-12-06 02:14:32,716 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:14:32,850 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_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c[552,565] [2024-12-06 02:14:32,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:14:32,885 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:14:32,897 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_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c[552,565] [2024-12-06 02:14:32,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:14:32,919 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:14:32,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:32 WrapperNode [2024-12-06 02:14:32,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:14:32,921 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:14:32,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:14:32,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:14:32,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:32" (1/1) ... [2024-12-06 02:14:32,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:32" (1/1) ... [2024-12-06 02:14:32,947 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-12-06 02:14:32,948 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:14:32,948 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:14:32,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:14:32,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:14:32,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:32" (1/1) ... [2024-12-06 02:14:32,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:32" (1/1) ... [2024-12-06 02:14:32,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:32" (1/1) ... [2024-12-06 02:14:32,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:32" (1/1) ... [2024-12-06 02:14:32,961 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:32" (1/1) ... [2024-12-06 02:14:32,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:32" (1/1) ... [2024-12-06 02:14:32,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:32" (1/1) ... [2024-12-06 02:14:32,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:32" (1/1) ... [2024-12-06 02:14:32,968 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:32" (1/1) ... [2024-12-06 02:14:32,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:14:32,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:14:32,971 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:14:32,971 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:14:32,972 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:14:32" (1/1) ... [2024-12-06 02:14:32,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:14:32,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:14:33,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:14:33,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:14:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:14:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:14:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 02:14:33,030 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 02:14:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:14:33,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:14:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:14:33,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:14:33,091 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:14:33,092 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:14:33,254 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 02:14:33,254 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:14:33,286 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:14:33,287 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 02:14:33,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:14:33 BoogieIcfgContainer [2024-12-06 02:14:33,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:14:33,288 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:14:33,288 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:14:33,298 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:14:33,298 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:14:33" (1/1) ... [2024-12-06 02:14:33,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:14:33,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:33,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-12-06 02:14:33,351 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-12-06 02:14:33,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:14:33,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:33,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:33,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:33,358 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:33,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:14:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:33,427 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:33,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 02:14:33,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:33,490 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:14:33,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:14:33,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:33,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-12-06 02:14:33,513 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-12-06 02:14:33,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 02:14:33,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:33,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:33,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:33,516 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:33,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:14:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:33,612 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:33,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 02:14:33,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:33,743 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:14:33,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:14:33,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:33,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2024-12-06 02:14:33,873 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-12-06 02:14:33,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 02:14:33,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:33,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:14:33,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:14:33,875 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:14:33,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 02:14:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:33,978 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:14:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:14:44,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 02:14:44,218 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 02:14:44,222 INFO L158 Benchmark]: Toolchain (without parser) took 11525.29ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 42.2MB in the end (delta: 27.8MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-12-06 02:14:44,222 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:14:44,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.14ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 58.0MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:14:44,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.82ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 56.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:14:44,223 INFO L158 Benchmark]: Boogie Preprocessor took 21.68ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 55.7MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:14:44,224 INFO L158 Benchmark]: RCFGBuilder took 316.80ms. Allocated memory is still 92.3MB. Free memory was 55.7MB in the beginning and 41.8MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:14:44,224 INFO L158 Benchmark]: CodeCheck took 10933.02ms. Allocated memory is still 92.3MB. Free memory was 41.8MB in the beginning and 42.2MB in the end (delta: -381.6kB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2024-12-06 02:14:44,226 INFO L338 ainManager$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 0.31ms. Allocated memory is still 83.9MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.14ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 58.0MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.82ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 56.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.68ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 55.7MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 316.80ms. Allocated memory is still 92.3MB. Free memory was 55.7MB in the beginning and 41.8MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 10933.02ms. Allocated memory is still 92.3MB. Free memory was 41.8MB in the beginning and 42.2MB in the end (delta: -381.6kB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 02:14:44,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc2ed2-0d2a-4ec6-8885-aa28f8fcc2b7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown