./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.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_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/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_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/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_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/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 6ac61a60e8702da390cdc74b87fa3424e0fd152a4ccfcd2c9fd7af24a4bb7ac5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:09:37,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:09:37,680 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:09:37,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:09:37,685 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:09:37,704 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:09:37,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:09:37,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:09:37,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:09:37,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:09:37,706 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:09:37,706 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:09:37,706 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:09:37,706 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:09:37,706 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:09:37,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:09:37,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:09:37,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:09:37,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:09:37,706 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:09:37,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:09:37,707 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:09:37,707 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:09:37,707 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:09:37,707 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:09:37,707 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:09:37,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:09:37,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:09:37,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:09:37,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:09:37,708 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:09:37,708 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:09:37,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:09:37,708 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_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/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 -> 6ac61a60e8702da390cdc74b87fa3424e0fd152a4ccfcd2c9fd7af24a4bb7ac5 [2024-12-06 05:09:37,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:09:37,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:09:37,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:09:37,917 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:09:37,918 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:09:37,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c [2024-12-06 05:09:40,584 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/data/72a81fda1/f5cd957b2612438f9fde3c8343c007fb/FLAG7a2233b35 [2024-12-06 05:09:40,770 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:09:40,770 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c [2024-12-06 05:09:40,776 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/data/72a81fda1/f5cd957b2612438f9fde3c8343c007fb/FLAG7a2233b35 [2024-12-06 05:09:41,145 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/data/72a81fda1/f5cd957b2612438f9fde3c8343c007fb [2024-12-06 05:09:41,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:09:41,149 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:09:41,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:09:41,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:09:41,153 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:09:41,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:09:41" (1/1) ... [2024-12-06 05:09:41,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@685e81f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:41, skipping insertion in model container [2024-12-06 05:09:41,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:09:41" (1/1) ... [2024-12-06 05:09:41,164 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:09:41,285 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_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c[552,565] [2024-12-06 05:09:41,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:09:41,313 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:09:41,324 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_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c[552,565] [2024-12-06 05:09:41,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:09:41,344 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:09:41,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:41 WrapperNode [2024-12-06 05:09:41,345 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:09:41,346 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:09:41,346 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:09:41,346 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:09:41,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:41" (1/1) ... [2024-12-06 05:09:41,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:41" (1/1) ... [2024-12-06 05:09:41,373 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-12-06 05:09:41,373 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:09:41,374 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:09:41,374 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:09:41,374 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:09:41,381 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:41" (1/1) ... [2024-12-06 05:09:41,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:41" (1/1) ... [2024-12-06 05:09:41,382 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:41" (1/1) ... [2024-12-06 05:09:41,382 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:41" (1/1) ... [2024-12-06 05:09:41,385 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:41" (1/1) ... [2024-12-06 05:09:41,385 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:41" (1/1) ... [2024-12-06 05:09:41,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:41" (1/1) ... [2024-12-06 05:09:41,389 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:41" (1/1) ... [2024-12-06 05:09:41,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:41" (1/1) ... [2024-12-06 05:09:41,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:09:41,391 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:09:41,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:09:41,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:09:41,392 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:41" (1/1) ... [2024-12-06 05:09:41,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:09:41,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:09:41,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:09:41,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:09:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:09:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:09:41,443 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:09:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:09:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:09:41,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:09:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:09:41,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:09:41,490 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:09:41,491 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:09:41,641 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 05:09:41,641 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:09:41,666 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:09:41,666 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 05:09:41,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:09:41 BoogieIcfgContainer [2024-12-06 05:09:41,666 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:09:41,667 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:09:41,667 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:09:41,676 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:09:41,676 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:09:41" (1/1) ... [2024-12-06 05:09:41,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:09:41,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:41,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-12-06 05:09:41,730 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-12-06 05:09:41,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:09:41,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:41,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:09:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:41,871 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 05:09:41,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:41,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-12-06 05:09:41,892 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-12-06 05:09:41,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 05:09:41,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:41,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:09:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:42,026 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 05:09:42,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:42,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 47 transitions. [2024-12-06 05:09:42,094 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-12-06 05:09:42,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 05:09:42,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:42,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:09:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:09:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:42,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:09:42,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:09:42,329 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 05:09:42,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:42,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 61 transitions. [2024-12-06 05:09:42,591 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2024-12-06 05:09:42,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 05:09:42,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:42,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:09:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:09:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:09:52,663 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:09:52,667 INFO L158 Benchmark]: Toolchain (without parser) took 11518.37ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 94.7MB in the end (delta: 22.3MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2024-12-06 05:09:52,668 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:09:52,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 195.93ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 105.3MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:09:52,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.31ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:09:52,669 INFO L158 Benchmark]: Boogie Preprocessor took 17.17ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 103.3MB in the end (delta: 749.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:09:52,669 INFO L158 Benchmark]: RCFGBuilder took 274.80ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 89.8MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:09:52,669 INFO L158 Benchmark]: CodeCheck took 10999.38ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 94.7MB in the end (delta: -4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:09:52,671 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 195.93ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 105.3MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.31ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.17ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 103.3MB in the end (delta: 749.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 274.80ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 89.8MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10999.38ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 94.7MB in the end (delta: -4.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:09:52,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/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_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/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_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/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_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/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 6ac61a60e8702da390cdc74b87fa3424e0fd152a4ccfcd2c9fd7af24a4bb7ac5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:09:54,937 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:09:55,036 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:09:55,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:09:55,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:09:55,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:09:55,069 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:09:55,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:09:55,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:09:55,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:09:55,070 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:09:55,070 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:09:55,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:09:55,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:09:55,070 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:09:55,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:09:55,071 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:09:55,071 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:09:55,071 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:09:55,071 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:09:55,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:09:55,071 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:09:55,071 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:09:55,072 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:09:55,072 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:09:55,072 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:09:55,072 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:09:55,072 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:09:55,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:09:55,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:09:55,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:09:55,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:09:55,073 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:09:55,073 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:09:55,073 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:09:55,073 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:09:55,073 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_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/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 -> 6ac61a60e8702da390cdc74b87fa3424e0fd152a4ccfcd2c9fd7af24a4bb7ac5 [2024-12-06 05:09:55,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:09:55,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:09:55,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:09:55,374 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:09:55,374 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:09:55,376 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c [2024-12-06 05:09:58,653 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/data/fe01973a3/550ed2812055459ca1313c7bf93f8f97/FLAGd18760835 [2024-12-06 05:09:58,890 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:09:58,891 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c [2024-12-06 05:09:58,902 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/data/fe01973a3/550ed2812055459ca1313c7bf93f8f97/FLAGd18760835 [2024-12-06 05:09:58,920 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/data/fe01973a3/550ed2812055459ca1313c7bf93f8f97 [2024-12-06 05:09:58,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:09:58,925 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:09:58,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:09:58,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:09:58,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:09:58,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:09:58" (1/1) ... [2024-12-06 05:09:58,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d188b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:58, skipping insertion in model container [2024-12-06 05:09:58,935 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:09:58" (1/1) ... [2024-12-06 05:09:58,952 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:09:59,130 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_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c[552,565] [2024-12-06 05:09:59,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:09:59,171 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:09:59,186 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_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c[552,565] [2024-12-06 05:09:59,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:09:59,214 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:09:59,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:59 WrapperNode [2024-12-06 05:09:59,215 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:09:59,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:09:59,216 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:09:59,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:09:59,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:59" (1/1) ... [2024-12-06 05:09:59,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:59" (1/1) ... [2024-12-06 05:09:59,252 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-12-06 05:09:59,253 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:09:59,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:09:59,254 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:09:59,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:09:59,262 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:59" (1/1) ... [2024-12-06 05:09:59,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:59" (1/1) ... [2024-12-06 05:09:59,265 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:59" (1/1) ... [2024-12-06 05:09:59,265 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:59" (1/1) ... [2024-12-06 05:09:59,271 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:59" (1/1) ... [2024-12-06 05:09:59,272 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:59" (1/1) ... [2024-12-06 05:09:59,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:59" (1/1) ... [2024-12-06 05:09:59,278 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:59" (1/1) ... [2024-12-06 05:09:59,279 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:59" (1/1) ... [2024-12-06 05:09:59,282 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:09:59,283 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:09:59,283 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:09:59,283 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:09:59,284 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:59" (1/1) ... [2024-12-06 05:09:59,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:09:59,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:09:59,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:09:59,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:09:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:09:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:09:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:09:59,350 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:09:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:09:59,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:09:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:09:59,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:09:59,417 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:09:59,419 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:09:59,618 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 05:09:59,619 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:09:59,658 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:09:59,658 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 05:09:59,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:09:59 BoogieIcfgContainer [2024-12-06 05:09:59,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:09:59,659 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:09:59,659 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:09:59,669 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:09:59,670 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:09:59" (1/1) ... [2024-12-06 05:09:59,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:09:59,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:59,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-12-06 05:09:59,745 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-12-06 05:09:59,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:09:59,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:59,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:09:59,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:09:59,755 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:09:59,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:09:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:59,849 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:09:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:59,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 05:09:59,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:09:59,936 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 05:09:59,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:09:59,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:59,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-12-06 05:09:59,968 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-12-06 05:09:59,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 05:09:59,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:59,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:09:59,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:09:59,972 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:09:59,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:10:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:00,104 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:00,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:10:00,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:10:00,264 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 05:10:00,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:10:00,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:10:00,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2024-12-06 05:10:00,424 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-12-06 05:10:00,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 05:10:00,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:10:00,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:10:00,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:10:00,427 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:10:00,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:10:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:00,562 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:10:10,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 05:10:10,779 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:10:10,782 INFO L158 Benchmark]: Toolchain (without parser) took 11857.44ms. Allocated memory is still 92.3MB. Free memory was 70.1MB in the beginning and 42.8MB in the end (delta: 27.3MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-12-06 05:10:10,783 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:10:10,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.64ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 58.2MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:10:10,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.02ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 57.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:10:10,783 INFO L158 Benchmark]: Boogie Preprocessor took 28.45ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 56.0MB in the end (delta: 893.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:10:10,784 INFO L158 Benchmark]: RCFGBuilder took 375.82ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 42.0MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:10:10,784 INFO L158 Benchmark]: CodeCheck took 11122.07ms. Allocated memory is still 92.3MB. Free memory was 42.0MB in the beginning and 42.8MB in the end (delta: -796.9kB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2024-12-06 05:10:10,786 INFO L338 ainManager$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 0.38ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.64ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 58.2MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.02ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 57.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.45ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 56.0MB in the end (delta: 893.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 375.82ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 42.0MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 11122.07ms. Allocated memory is still 92.3MB. Free memory was 42.0MB in the beginning and 42.8MB in the end (delta: -796.9kB). 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 05:10:10,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cc72b8-2189-4f88-a396-3ad25e4fc0a3/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