./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.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_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/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_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/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_8459ee2f-94a8-42b9-b60d-4cf86df7790b/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 ce152ab821d49eb9acb39ce161d7ea2c6b8a3d3fa002051e62cb16783ef9575a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:14:33,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:14:33,102 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:14:33,107 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:14:33,108 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:14:33,131 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:14:33,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:14:33,133 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:14:33,133 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:14:33,133 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:14:33,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:14:33,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:14:33,134 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:14:33,134 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:14:33,134 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:14:33,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:14:33,134 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:14:33,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:14:33,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:14:33,135 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:14:33,135 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:14:33,135 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:14:33,135 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:14:33,135 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:14:33,135 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:14:33,135 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:14:33,136 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:14:33,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:14:33,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:14:33,136 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:14:33,136 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:14:33,136 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:14:33,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:14:33,137 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_8459ee2f-94a8-42b9-b60d-4cf86df7790b/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 -> ce152ab821d49eb9acb39ce161d7ea2c6b8a3d3fa002051e62cb16783ef9575a [2024-12-06 00:14:33,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:14:33,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:14:33,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:14:33,402 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:14:33,402 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:14:33,404 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c [2024-12-06 00:14:36,684 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/data/10f99cf9d/ea55205c900d4ca289fd7b20388be593/FLAGeaff9d01d [2024-12-06 00:14:36,935 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:14:36,936 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c [2024-12-06 00:14:36,945 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/data/10f99cf9d/ea55205c900d4ca289fd7b20388be593/FLAGeaff9d01d [2024-12-06 00:14:37,267 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/data/10f99cf9d/ea55205c900d4ca289fd7b20388be593 [2024-12-06 00:14:37,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:14:37,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:14:37,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:14:37,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:14:37,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:14:37,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:14:37" (1/1) ... [2024-12-06 00:14:37,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231ed3b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:37, skipping insertion in model container [2024-12-06 00:14:37,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:14:37" (1/1) ... [2024-12-06 00:14:37,298 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:14:37,442 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_8459ee2f-94a8-42b9-b60d-4cf86df7790b/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c[552,565] [2024-12-06 00:14:37,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:14:37,474 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:14:37,487 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_8459ee2f-94a8-42b9-b60d-4cf86df7790b/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c[552,565] [2024-12-06 00:14:37,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:14:37,513 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:14:37,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:37 WrapperNode [2024-12-06 00:14:37,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:14:37,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:14:37,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:14:37,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:14:37,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:37" (1/1) ... [2024-12-06 00:14:37,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:37" (1/1) ... [2024-12-06 00:14:37,550 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-12-06 00:14:37,550 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:14:37,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:14:37,551 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:14:37,551 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:14:37,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:37" (1/1) ... [2024-12-06 00:14:37,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:37" (1/1) ... [2024-12-06 00:14:37,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:37" (1/1) ... [2024-12-06 00:14:37,561 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:37" (1/1) ... [2024-12-06 00:14:37,564 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:37" (1/1) ... [2024-12-06 00:14:37,565 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:37" (1/1) ... [2024-12-06 00:14:37,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:37" (1/1) ... [2024-12-06 00:14:37,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:37" (1/1) ... [2024-12-06 00:14:37,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:37" (1/1) ... [2024-12-06 00:14:37,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:14:37,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:14:37,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:14:37,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:14:37,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:37" (1/1) ... [2024-12-06 00:14:37,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:14:37,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:14:37,611 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:14:37,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:14:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:14:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:14:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:14:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:14:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:14:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:14:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 00:14:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 00:14:37,709 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:14:37,711 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:14:37,889 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 00:14:37,889 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:14:37,917 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:14:37,917 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 00:14:37,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:14:37 BoogieIcfgContainer [2024-12-06 00:14:37,918 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:14:37,918 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:14:37,918 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:14:37,929 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:14:37,930 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:14:37" (1/1) ... [2024-12-06 00:14:37,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:14:37,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:37,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-12-06 00:14:37,997 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-12-06 00:14:38,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:14:38,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:38,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:14:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:38,162 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 00:14:38,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:38,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-12-06 00:14:38,189 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-12-06 00:14:38,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:14:38,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:38,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:14:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:38,366 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 00:14:38,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:38,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 47 transitions. [2024-12-06 00:14:38,450 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-12-06 00:14:38,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:14:38,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:38,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:14:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:14:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:38,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 00:14:38,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:38,732 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 00:14:39,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:39,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 61 transitions. [2024-12-06 00:14:39,071 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2024-12-06 00:14:39,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:14:39,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:39,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:14:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:14:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:14:49,164 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:14:49,168 INFO L158 Benchmark]: Toolchain (without parser) took 11895.31ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 95.5MB in the end (delta: 22.1MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2024-12-06 00:14:49,168 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:14:49,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.62ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 105.9MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:14:49,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.39ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 104.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:14:49,169 INFO L158 Benchmark]: Boogie Preprocessor took 21.60ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.9MB in the end (delta: 649.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:14:49,169 INFO L158 Benchmark]: RCFGBuilder took 344.33ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 90.6MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:14:49,170 INFO L158 Benchmark]: CodeCheck took 11248.06ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 95.5MB in the end (delta: -4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:14:49,172 INFO L338 ainManager$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 0.35ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.62ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 105.9MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.39ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 104.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.60ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.9MB in the end (delta: 649.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 344.33ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 90.6MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 11248.06ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 95.5MB 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 00:14:49,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/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_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/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_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/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_8459ee2f-94a8-42b9-b60d-4cf86df7790b/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 ce152ab821d49eb9acb39ce161d7ea2c6b8a3d3fa002051e62cb16783ef9575a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:14:51,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:14:51,189 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:14:51,214 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:14:51,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:14:51,215 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:14:51,215 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:14:51,215 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:14:51,216 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:14:51,216 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:14:51,216 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:14:51,216 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:14:51,216 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:14:51,216 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:14:51,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:14:51,216 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:14:51,216 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:14:51,216 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:14:51,217 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:14:51,217 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:14:51,217 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:14:51,217 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:14:51,217 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:14:51,217 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:14:51,217 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:14:51,217 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:14:51,217 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:51,217 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:14:51,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:14:51,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:14:51,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:14:51,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:14:51,218 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:14:51,218 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:14:51,218 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:51,218 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:14:51,218 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_8459ee2f-94a8-42b9-b60d-4cf86df7790b/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 -> ce152ab821d49eb9acb39ce161d7ea2c6b8a3d3fa002051e62cb16783ef9575a [2024-12-06 00:14:51,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:14:51,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:14:51,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:14:51,476 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:14:51,476 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:14:51,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c [2024-12-06 00:14:54,131 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/data/c15b95057/e27601f94a6a4a3aabcfe80674383e13/FLAG238edc423 [2024-12-06 00:14:54,288 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:14:54,288 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c [2024-12-06 00:14:54,295 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/data/c15b95057/e27601f94a6a4a3aabcfe80674383e13/FLAG238edc423 [2024-12-06 00:14:54,309 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/data/c15b95057/e27601f94a6a4a3aabcfe80674383e13 [2024-12-06 00:14:54,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:14:54,312 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:14:54,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:14:54,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:14:54,317 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:14:54,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:14:54" (1/1) ... [2024-12-06 00:14:54,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4855be50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:54, skipping insertion in model container [2024-12-06 00:14:54,319 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:14:54" (1/1) ... [2024-12-06 00:14:54,328 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:14:54,433 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_8459ee2f-94a8-42b9-b60d-4cf86df7790b/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c[552,565] [2024-12-06 00:14:54,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:14:54,461 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:14:54,470 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_8459ee2f-94a8-42b9-b60d-4cf86df7790b/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c[552,565] [2024-12-06 00:14:54,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:14:54,490 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:14:54,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:54 WrapperNode [2024-12-06 00:14:54,491 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:14:54,492 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:14:54,492 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:14:54,492 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:14:54,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:54" (1/1) ... [2024-12-06 00:14:54,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:54" (1/1) ... [2024-12-06 00:14:54,515 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-12-06 00:14:54,515 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:14:54,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:14:54,516 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:14:54,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:14:54,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:54" (1/1) ... [2024-12-06 00:14:54,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:54" (1/1) ... [2024-12-06 00:14:54,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:54" (1/1) ... [2024-12-06 00:14:54,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:54" (1/1) ... [2024-12-06 00:14:54,528 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:54" (1/1) ... [2024-12-06 00:14:54,529 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:54" (1/1) ... [2024-12-06 00:14:54,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:54" (1/1) ... [2024-12-06 00:14:54,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:54" (1/1) ... [2024-12-06 00:14:54,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:54" (1/1) ... [2024-12-06 00:14:54,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:14:54,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:14:54,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:14:54,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:14:54,539 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:54" (1/1) ... [2024-12-06 00:14:54,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:14:54,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:14:54,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:14:54,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:14:54,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:14:54,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:14:54,586 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:14:54,586 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:14:54,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:14:54,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:14:54,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 00:14:54,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 00:14:54,632 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:14:54,633 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:14:54,786 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 00:14:54,787 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:14:54,817 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:14:54,817 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 00:14:54,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:14:54 BoogieIcfgContainer [2024-12-06 00:14:54,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:14:54,818 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:14:54,818 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:14:54,826 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:14:54,826 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:14:54" (1/1) ... [2024-12-06 00:14:54,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:14:54,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:54,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-12-06 00:14:54,872 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-12-06 00:14:54,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:14:54,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:54,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:54,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:54,878 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:54,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:14:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:54,952 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:54,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 00:14:55,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:55,018 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 00:14:55,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:14:55,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:55,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-12-06 00:14:55,039 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-12-06 00:14:55,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:14:55,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:55,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:55,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:55,042 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:55,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:14:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:55,141 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:55,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:14:55,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:55,278 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 00:14:55,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-06 00:14:55,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:55,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2024-12-06 00:14:55,403 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-12-06 00:14:55,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:14:55,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:55,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:55,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:55,405 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:55,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:14:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:55,534 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:15:05,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 00:15:05,780 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:15:05,784 INFO L158 Benchmark]: Toolchain (without parser) took 11471.65ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 41.6MB in the end (delta: 27.9MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-12-06 00:15:05,784 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:15:05,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 177.99ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 57.6MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:15:05,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.48ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 56.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:15:05,785 INFO L158 Benchmark]: Boogie Preprocessor took 21.71ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 55.3MB in the end (delta: 957.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:15:05,785 INFO L158 Benchmark]: RCFGBuilder took 280.11ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 41.5MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:15:05,786 INFO L158 Benchmark]: CodeCheck took 10964.65ms. Allocated memory is still 92.3MB. Free memory was 41.4MB in the beginning and 41.6MB in the end (delta: -261.5kB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2024-12-06 00:15:05,787 INFO L338 ainManager$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 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 177.99ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 57.6MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.48ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 56.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.71ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 55.3MB in the end (delta: 957.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 280.11ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 41.5MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 10964.65ms. Allocated memory is still 92.3MB. Free memory was 41.4MB in the beginning and 41.6MB in the end (delta: -261.5kB). 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 00:15:05,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8459ee2f-94a8-42b9-b60d-4cf86df7790b/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