./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_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_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/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_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/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_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/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 240ff53ce4a5324965a3dcaa21fced56af515b108e64af6d36b0fd1ca1a710eb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:14:16,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:14:16,821 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:14:16,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:14:16,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:14:16,852 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:14:16,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:14:16,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:14:16,854 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:14:16,854 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:14:16,854 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:14:16,855 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:14:16,855 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:14:16,855 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:14:16,855 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:14:16,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:14:16,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:14:16,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:14:16,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:14:16,856 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:14:16,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:14:16,856 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:14:16,856 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:14:16,856 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:14:16,856 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:14:16,856 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:14:16,857 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:14:16,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:14:16,857 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:14:16,857 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:14:16,857 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:14:16,857 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:14:16,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:14:16,857 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_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/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 -> 240ff53ce4a5324965a3dcaa21fced56af515b108e64af6d36b0fd1ca1a710eb [2024-12-06 05:14:17,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:14:17,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:14:17,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:14:17,181 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:14:17,181 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:14:17,183 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-12-06 05:14:20,600 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/data/df9e4a87f/1d4acca321e44ca793109a5c699c963c/FLAG9517e4c88 [2024-12-06 05:14:20,852 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:14:20,853 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-12-06 05:14:20,863 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/data/df9e4a87f/1d4acca321e44ca793109a5c699c963c/FLAG9517e4c88 [2024-12-06 05:14:20,880 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/data/df9e4a87f/1d4acca321e44ca793109a5c699c963c [2024-12-06 05:14:20,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:14:20,885 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:14:20,886 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:14:20,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:14:20,892 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:14:20,893 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:14:20" (1/1) ... [2024-12-06 05:14:20,894 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c7d9761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:20, skipping insertion in model container [2024-12-06 05:14:20,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:14:20" (1/1) ... [2024-12-06 05:14:20,910 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:14:21,083 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_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c[537,550] [2024-12-06 05:14:21,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:14:21,118 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:14:21,132 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_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c[537,550] [2024-12-06 05:14:21,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:14:21,157 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:14:21,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:21 WrapperNode [2024-12-06 05:14:21,158 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:14:21,159 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:14:21,159 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:14:21,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:14:21,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:21" (1/1) ... [2024-12-06 05:14:21,175 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:21" (1/1) ... [2024-12-06 05:14:21,195 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2024-12-06 05:14:21,195 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:14:21,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:14:21,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:14:21,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:14:21,205 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:21" (1/1) ... [2024-12-06 05:14:21,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:21" (1/1) ... [2024-12-06 05:14:21,207 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:21" (1/1) ... [2024-12-06 05:14:21,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:21" (1/1) ... [2024-12-06 05:14:21,211 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:21" (1/1) ... [2024-12-06 05:14:21,212 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:21" (1/1) ... [2024-12-06 05:14:21,216 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:21" (1/1) ... [2024-12-06 05:14:21,217 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:21" (1/1) ... [2024-12-06 05:14:21,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:21" (1/1) ... [2024-12-06 05:14:21,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:14:21,220 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:14:21,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:14:21,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:14:21,221 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:21" (1/1) ... [2024-12-06 05:14:21,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:14:21,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:14:21,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:14:21,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:14:21,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:14:21,296 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:14:21,296 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:14:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:14:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:14:21,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:14:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:14:21,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:14:21,364 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:14:21,366 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:14:21,515 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 05:14:21,515 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:14:21,554 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:14:21,554 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:14:21,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:14:21 BoogieIcfgContainer [2024-12-06 05:14:21,555 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:14:21,555 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:14:21,555 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:14:21,565 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:14:21,565 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:14:21" (1/1) ... [2024-12-06 05:14:21,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:14:21,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:21,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-12-06 05:14:21,636 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-12-06 05:14:21,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:14:21,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:21,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:14:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:21,822 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 05:14:21,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:21,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-12-06 05:14:21,859 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-12-06 05:14:21,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 05:14:21,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:21,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:14:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:22,035 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 05:14:22,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:22,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 29 transitions. [2024-12-06 05:14:22,124 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-12-06 05:14:22,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 05:14:22,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:22,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:14:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:14:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:22,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 05:14:22,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:22,415 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 05:14:22,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:22,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 39 transitions. [2024-12-06 05:14:22,784 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2024-12-06 05:14:22,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 05:14:22,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:22,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:14:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:23,146 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 05:14:24,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:24,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 39 transitions. [2024-12-06 05:14:24,590 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2024-12-06 05:14:24,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 05:14:24,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:24,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:14:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:24,781 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 05:14:25,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:25,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 49 transitions. [2024-12-06 05:14:25,744 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2024-12-06 05:14:25,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 05:14:25,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:25,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:14:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:14:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:26,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 05:14:26,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:28,847 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 05:14:35,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:35,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 37 states and 63 transitions. [2024-12-06 05:14:35,934 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 63 transitions. [2024-12-06 05:14:35,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 05:14:35,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:35,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:14:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:14:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:36,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 05:14:36,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:37,196 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 05:14:50,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 05:14:53,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:53,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 65 transitions. [2024-12-06 05:14:53,158 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2024-12-06 05:14:53,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 05:14:53,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:53,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:14:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:53,453 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 05:15:00,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:00,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 43 states and 79 transitions. [2024-12-06 05:15:00,949 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2024-12-06 05:15:00,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 05:15:00,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:00,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:15:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:01,070 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 05:15:11,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:11,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 44 states and 82 transitions. [2024-12-06 05:15:11,461 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 82 transitions. [2024-12-06 05:15:11,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 05:15:11,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:11,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:15:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:15:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:14,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 05:15:14,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:34,221 WARN L286 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:15:48,661 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:15:59,666 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 05:16:42,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 05:17:08,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 05:17:08,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:08,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 48 states and 98 transitions. [2024-12-06 05:17:08,965 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 98 transitions. [2024-12-06 05:17:08,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 05:17:08,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:08,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:17:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:17:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:13,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 05:17:13,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:25,364 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:17:33,541 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:17:48,071 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:18:02,198 WARN L286 SmtUtils]: Spent 10.13s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:18:12,231 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:18:12,778 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 05:18:28,050 WARN L286 SmtUtils]: Spent 10.48s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:19:04,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 05:19:13,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:19:13,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 51 states and 103 transitions. [2024-12-06 05:19:13,089 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 103 transitions. [2024-12-06 05:19:13,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 05:19:13,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:19:13,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:19:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:19:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:13,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-06 05:19:13,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:19:56,681 WARN L286 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:20:11,445 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:20:21,685 WARN L286 SmtUtils]: Spent 10.24s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:20:31,818 WARN L286 SmtUtils]: Spent 10.12s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:20:42,132 WARN L286 SmtUtils]: Spent 10.31s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:20:52,249 WARN L286 SmtUtils]: Spent 10.12s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:21:02,438 WARN L286 SmtUtils]: Spent 10.19s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:21:12,220 WARN L286 SmtUtils]: Spent 6.14s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:21:22,275 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:21:32,321 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:21:47,254 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:21:57,655 WARN L286 SmtUtils]: Spent 10.40s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:22:02,640 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 05:23:49,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 05:24:21,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 05:25:50,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.91s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 05:26:06,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 05:26:15,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:26:15,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 61 states and 129 transitions. [2024-12-06 05:26:15,056 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 05:26:15,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 05:26:15,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:26:15,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:26:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:26:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:26:17,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 05:26:17,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:26:19,501 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 05:26:20,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:26:20,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 62 states and 131 transitions. [2024-12-06 05:26:20,228 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 131 transitions. [2024-12-06 05:26:20,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 05:26:20,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:26:20,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:26:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:26:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:26:22,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 05:26:22,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:26:38,783 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:26:48,993 WARN L286 SmtUtils]: Spent 10.19s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:26:57,162 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:27:07,817 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:27:17,831 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:27:37,157 WARN L286 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:27:47,184 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:27:57,333 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:28:04,885 WARN L286 SmtUtils]: Spent 7.55s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:28:05,679 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 05:28:25,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:28:25,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 64 states and 133 transitions. [2024-12-06 05:28:25,092 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 133 transitions. [2024-12-06 05:28:25,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-06 05:28:25,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:28:25,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:28:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:28:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:28:35,194 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 05:28:35,200 INFO L158 Benchmark]: Toolchain (without parser) took 854315.39ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 116.7MB in the beginning and 69.8MB in the end (delta: 47.0MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. [2024-12-06 05:28:35,200 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:28:35,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.03ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 105.3MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:28:35,201 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.23ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:28:35,201 INFO L158 Benchmark]: Boogie Preprocessor took 23.22ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 103.5MB in the end (delta: 763.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:28:35,202 INFO L158 Benchmark]: RCFGBuilder took 334.60ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 90.3MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:28:35,202 INFO L158 Benchmark]: CodeCheck took 853643.78ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 90.3MB in the beginning and 69.8MB in the end (delta: 20.5MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2024-12-06 05:28:35,205 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 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.03ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 105.3MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.23ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.22ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 103.5MB in the end (delta: 763.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 334.60ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 90.3MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 853643.78ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 90.3MB in the beginning and 69.8MB in the end (delta: 20.5MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:28:35,414 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 05:28:35,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/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_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/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_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/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 240ff53ce4a5324965a3dcaa21fced56af515b108e64af6d36b0fd1ca1a710eb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:28:37,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:28:37,655 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:28:37,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:28:37,680 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:28:37,680 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:28:37,681 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:28:37,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:28:37,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:28:37,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:28:37,681 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:28:37,681 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:28:37,681 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:28:37,681 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:28:37,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:28:37,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:28:37,682 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:28:37,682 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:28:37,682 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:28:37,682 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:28:37,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:28:37,682 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:28:37,682 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:28:37,682 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:28:37,683 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:28:37,683 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:28:37,683 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:28:37,683 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:28:37,683 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:28:37,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:28:37,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:28:37,683 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:28:37,683 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:28:37,683 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:28:37,683 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:28:37,684 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:28:37,684 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_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/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 -> 240ff53ce4a5324965a3dcaa21fced56af515b108e64af6d36b0fd1ca1a710eb [2024-12-06 05:28:37,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:28:37,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:28:37,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:28:37,918 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:28:37,918 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:28:37,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-12-06 05:28:40,589 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/data/012928be5/8962de7b898a4933a611030c9a97d79f/FLAG1a9d63e81 [2024-12-06 05:28:40,761 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:28:40,761 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-12-06 05:28:40,768 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/data/012928be5/8962de7b898a4933a611030c9a97d79f/FLAG1a9d63e81 [2024-12-06 05:28:40,781 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/data/012928be5/8962de7b898a4933a611030c9a97d79f [2024-12-06 05:28:40,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:28:40,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:28:40,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:28:40,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:28:40,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:28:40,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:28:40" (1/1) ... [2024-12-06 05:28:40,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb0dd47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:40, skipping insertion in model container [2024-12-06 05:28:40,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:28:40" (1/1) ... [2024-12-06 05:28:40,805 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:28:40,935 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_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c[537,550] [2024-12-06 05:28:40,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:28:40,961 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:28:40,972 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c[537,550] [2024-12-06 05:28:40,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:28:40,990 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:28:40,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:40 WrapperNode [2024-12-06 05:28:40,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:28:40,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:28:40,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:28:40,992 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:28:40,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:40" (1/1) ... [2024-12-06 05:28:41,004 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:40" (1/1) ... [2024-12-06 05:28:41,017 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2024-12-06 05:28:41,018 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:28:41,018 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:28:41,018 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:28:41,018 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:28:41,025 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:40" (1/1) ... [2024-12-06 05:28:41,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:40" (1/1) ... [2024-12-06 05:28:41,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:40" (1/1) ... [2024-12-06 05:28:41,027 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:40" (1/1) ... [2024-12-06 05:28:41,031 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:40" (1/1) ... [2024-12-06 05:28:41,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:40" (1/1) ... [2024-12-06 05:28:41,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:40" (1/1) ... [2024-12-06 05:28:41,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:40" (1/1) ... [2024-12-06 05:28:41,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:40" (1/1) ... [2024-12-06 05:28:41,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:28:41,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:28:41,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:28:41,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:28:41,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:40" (1/1) ... [2024-12-06 05:28:41,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:28:41,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:28:41,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:28:41,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:28:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:28:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:28:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:28:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:28:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:28:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:28:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:28:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:28:41,133 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:28:41,134 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:28:41,249 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 05:28:41,249 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:28:41,288 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:28:41,288 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:28:41,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:28:41 BoogieIcfgContainer [2024-12-06 05:28:41,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:28:41,289 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:28:41,289 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:28:41,295 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:28:41,295 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:28:41" (1/1) ... [2024-12-06 05:28:41,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:28:41,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:28:41,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-12-06 05:28:41,341 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-12-06 05:28:41,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:28:41,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:28:41,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:28:41,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:28:41,347 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:28:41,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:28:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:28:41,416 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:28:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:28:41,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 05:28:41,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:28:41,477 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 05:28:41,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:28:41,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:28:41,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-12-06 05:28:41,503 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-12-06 05:28:41,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 05:28:41,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:28:41,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:28:41,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:28:41,505 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:28:41,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:28:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:28:41,599 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:28:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:28:41,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:28:41,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:28:41,724 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 05:28:41,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:28:41,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:28:41,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-12-06 05:28:41,849 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-12-06 05:28:41,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 05:28:41,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:28:41,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:28:41,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:28:41,852 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:28:41,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:28:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:28:41,953 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:28:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:28:52,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 05:28:52,144 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:28:52,147 INFO L158 Benchmark]: Toolchain (without parser) took 11361.76ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 43.0MB in the end (delta: 27.2MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-12-06 05:28:52,147 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:28:52,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.52ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 58.4MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:28:52,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.82ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 57.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:28:52,148 INFO L158 Benchmark]: Boogie Preprocessor took 19.87ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 56.3MB in the end (delta: 879.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:28:52,149 INFO L158 Benchmark]: RCFGBuilder took 249.55ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 42.4MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:28:52,149 INFO L158 Benchmark]: CodeCheck took 10857.35ms. Allocated memory is still 92.3MB. Free memory was 42.4MB in the beginning and 43.0MB in the end (delta: -577.9kB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2024-12-06 05:28:52,151 INFO L338 ainManager$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 0.25ms. Allocated memory is still 83.9MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.52ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 58.4MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.82ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 57.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.87ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 56.3MB in the end (delta: 879.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 249.55ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 42.4MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10857.35ms. Allocated memory is still 92.3MB. Free memory was 42.4MB in the beginning and 43.0MB in the end (delta: -577.9kB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:28:52,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138f6d09-d1c9-4c69-a46e-e0d1eb4593c8/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