./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b2056b-f9cc-434e-8601-a6bb72ea5509/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b2056b-f9cc-434e-8601-a6bb72ea5509/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_f3b2056b-f9cc-434e-8601-a6bb72ea5509/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b2056b-f9cc-434e-8601-a6bb72ea5509/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b2056b-f9cc-434e-8601-a6bb72ea5509/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b2056b-f9cc-434e-8601-a6bb72ea5509/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4751d3eb3f8125549e47ad071da84be7a54e1805eb31936796833555d65c49e8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:59:27,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:59:27,786 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b2056b-f9cc-434e-8601-a6bb72ea5509/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-05 23:59:27,791 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:59:27,791 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:59:27,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:59:27,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:59:27,816 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:59:27,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:59:27,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:59:27,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:59:27,817 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:59:27,817 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:59:27,817 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:59:27,817 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:59:27,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:59:27,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:59:27,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:59:27,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:59:27,818 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:59:27,818 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:59:27,818 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:59:27,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:59:27,818 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:59:27,818 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:59:27,819 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:59:27,819 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:59:27,819 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:59:27,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:59:27,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:59:27,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:59:27,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:59:27,819 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:59:27,819 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:59:27,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:59:27,820 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_f3b2056b-f9cc-434e-8601-a6bb72ea5509/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 ! overflow) ) 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 -> 4751d3eb3f8125549e47ad071da84be7a54e1805eb31936796833555d65c49e8 [2024-12-05 23:59:28,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:59:28,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:59:28,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:59:28,105 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:59:28,106 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:59:28,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b2056b-f9cc-434e-8601-a6bb72ea5509/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound5.c [2024-12-05 23:59:30,799 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b2056b-f9cc-434e-8601-a6bb72ea5509/bin/ukojak-verify-CZk0znPC7b/data/9d2900747/2b02ec3822714533bfc066468e7c9ada/FLAG46243c07b [2024-12-05 23:59:31,004 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:59:31,005 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b2056b-f9cc-434e-8601-a6bb72ea5509/sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound5.c [2024-12-05 23:59:31,013 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b2056b-f9cc-434e-8601-a6bb72ea5509/bin/ukojak-verify-CZk0znPC7b/data/9d2900747/2b02ec3822714533bfc066468e7c9ada/FLAG46243c07b [2024-12-05 23:59:31,029 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b2056b-f9cc-434e-8601-a6bb72ea5509/bin/ukojak-verify-CZk0znPC7b/data/9d2900747/2b02ec3822714533bfc066468e7c9ada [2024-12-05 23:59:31,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:59:31,034 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:59:31,035 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:59:31,035 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:59:31,039 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:59:31,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:59:31" (1/1) ... [2024-12-05 23:59:31,041 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fd8202c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:31, skipping insertion in model container [2024-12-05 23:59:31,041 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:59:31" (1/1) ... [2024-12-05 23:59:31,055 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:59:31,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:59:31,215 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:59:31,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:59:31,245 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:59:31,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:31 WrapperNode [2024-12-05 23:59:31,246 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:59:31,247 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:59:31,247 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:59:31,247 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:59:31,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:31" (1/1) ... [2024-12-05 23:59:31,259 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:31" (1/1) ... [2024-12-05 23:59:31,282 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2024-12-05 23:59:31,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:59:31,283 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:59:31,283 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:59:31,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:59:31,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:31" (1/1) ... [2024-12-05 23:59:31,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:31" (1/1) ... [2024-12-05 23:59:31,292 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:31" (1/1) ... [2024-12-05 23:59:31,293 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:31" (1/1) ... [2024-12-05 23:59:31,296 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:31" (1/1) ... [2024-12-05 23:59:31,297 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:31" (1/1) ... [2024-12-05 23:59:31,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:31" (1/1) ... [2024-12-05 23:59:31,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:31" (1/1) ... [2024-12-05 23:59:31,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:31" (1/1) ... [2024-12-05 23:59:31,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:59:31,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:59:31,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:59:31,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:59:31,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:31" (1/1) ... [2024-12-05 23:59:31,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:59:31,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b2056b-f9cc-434e-8601-a6bb72ea5509/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:59:31,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b2056b-f9cc-434e-8601-a6bb72ea5509/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:59:31,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b2056b-f9cc-434e-8601-a6bb72ea5509/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:59:31,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:59:31,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:59:31,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:59:31,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:59:31,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:59:31,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:59:31,429 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:59:31,432 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:59:31,732 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-12-05 23:59:31,732 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:59:31,764 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:59:31,764 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:59:31,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:59:31 BoogieIcfgContainer [2024-12-05 23:59:31,765 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:59:31,766 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:59:31,766 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:59:31,776 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:59:31,776 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:59:31" (1/1) ... [2024-12-05 23:59:31,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:59:31,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:31,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 58 states and 61 transitions. [2024-12-05 23:59:31,845 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2024-12-05 23:59:31,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 23:59:31,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:31,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:32,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:32,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:32,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 60 states and 63 transitions. [2024-12-05 23:59:32,077 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2024-12-05 23:59:32,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:59:32,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:32,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:32,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:32,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:32,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 61 states and 64 transitions. [2024-12-05 23:59:32,145 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2024-12-05 23:59:32,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:59:32,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:32,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:59:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:32,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:59:32,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:59:32,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:32,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:32,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 66 states and 72 transitions. [2024-12-05 23:59:32,368 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2024-12-05 23:59:32,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:59:32,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:32,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:32,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:32,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:32,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 67 states and 73 transitions. [2024-12-05 23:59:32,472 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 73 transitions. [2024-12-05 23:59:32,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:59:32,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:32,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:59:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:32,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:59:32,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:59:32,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:32,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:32,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 68 states and 74 transitions. [2024-12-05 23:59:32,525 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 74 transitions. [2024-12-05 23:59:32,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:59:32,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:32,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:59:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:32,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:59:32,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:59:32,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:32,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:32,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 69 states and 75 transitions. [2024-12-05 23:59:32,583 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 75 transitions. [2024-12-05 23:59:32,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:59:32,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:32,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:32,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:32,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:32,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 70 states and 76 transitions. [2024-12-05 23:59:32,670 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2024-12-05 23:59:32,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 23:59:32,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:32,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:59:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:32,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:59:32,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:59:32,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:33,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:33,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 79 states and 87 transitions. [2024-12-05 23:59:33,124 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2024-12-05 23:59:33,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:59:33,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:33,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:33,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:33,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:33,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 89 states and 101 transitions. [2024-12-05 23:59:33,853 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 101 transitions. [2024-12-05 23:59:33,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:59:33,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:33,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:33,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:34,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:34,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 90 states and 103 transitions. [2024-12-05 23:59:34,164 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2024-12-05 23:59:34,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:59:34,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:34,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:34,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:34,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:34,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 92 states and 106 transitions. [2024-12-05 23:59:34,385 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2024-12-05 23:59:34,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:59:34,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:34,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:59:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:34,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:59:34,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:59:34,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:34,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:34,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 95 states and 111 transitions. [2024-12-05 23:59:34,500 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2024-12-05 23:59:34,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:59:34,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:34,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:34,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:35,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:35,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 110 states and 134 transitions. [2024-12-05 23:59:35,699 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 134 transitions. [2024-12-05 23:59:35,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 23:59:35,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:35,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:59:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:35,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:59:35,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:59:35,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:35,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:35,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 111 states and 135 transitions. [2024-12-05 23:59:35,788 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 135 transitions. [2024-12-05 23:59:35,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 23:59:35,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:35,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:35,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:35,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:35,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 112 states and 136 transitions. [2024-12-05 23:59:35,846 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 136 transitions. [2024-12-05 23:59:35,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:59:35,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:35,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:36,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:36,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:36,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 113 states and 138 transitions. [2024-12-05 23:59:36,162 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 138 transitions. [2024-12-05 23:59:36,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:59:36,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:36,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:36,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:36,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:36,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 116 states and 142 transitions. [2024-12-05 23:59:36,682 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 142 transitions. [2024-12-05 23:59:36,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:59:36,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:36,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:59:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:36,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:59:36,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:59:36,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:37,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:37,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 118 states and 145 transitions. [2024-12-05 23:59:37,017 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 145 transitions. [2024-12-05 23:59:37,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:59:37,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:37,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:37,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:38,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:38,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 122 states and 150 transitions. [2024-12-05 23:59:38,111 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 150 transitions. [2024-12-05 23:59:38,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:59:38,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:38,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:58,255 WARN L286 SmtUtils]: Spent 20.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:01:51,326 WARN L286 SmtUtils]: Spent 20.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:02:47,112 WARN L286 SmtUtils]: Spent 12.30s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:03:33,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:04:19,581 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:05:58,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:05:58,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 127 states and 160 transitions. [2024-12-06 00:05:58,981 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 160 transitions. [2024-12-06 00:05:58,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:05:58,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:05:58,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:05:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:05:59,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:05:59,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:05:59,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 126 states and 159 transitions. [2024-12-06 00:05:59,143 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 159 transitions. [2024-12-06 00:05:59,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:05:59,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:05:59,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:05:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:29,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:07:16,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:16,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 139 states and 177 transitions. [2024-12-06 00:07:16,637 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 177 transitions. [2024-12-06 00:07:16,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:07:16,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:16,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:16,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:07:49,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:49,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 149 states and 189 transitions. [2024-12-06 00:07:49,274 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 189 transitions. [2024-12-06 00:07:49,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:07:49,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:49,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:07:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:49,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:07:49,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:07:49,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:08:15,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:08:15,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 167 states and 211 transitions. [2024-12-06 00:08:15,189 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 211 transitions. [2024-12-06 00:08:15,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:08:15,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:08:15,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:08:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:08:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:08:15,211 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:08:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:08:15,235 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 25 iterations. [2024-12-06 00:08:15,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:08:15 ImpRootNode [2024-12-06 00:08:15,263 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:08:15,263 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:08:15,263 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:08:15,264 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:08:15,264 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:59:31" (3/4) ... [2024-12-06 00:08:15,265 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 00:08:15,301 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-06 00:08:15,336 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b2056b-f9cc-434e-8601-a6bb72ea5509/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:08:15,336 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b2056b-f9cc-434e-8601-a6bb72ea5509/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:08:15,336 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:08:15,337 INFO L158 Benchmark]: Toolchain (without parser) took 524303.33ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 98.0MB in the end (delta: 21.2MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-12-06 00:08:15,337 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:08:15,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.74ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 108.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:08:15,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.72ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 106.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:08:15,338 INFO L158 Benchmark]: Boogie Preprocessor took 21.19ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.6MB in the end (delta: 941.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:08:15,338 INFO L158 Benchmark]: RCFGBuilder took 459.72ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 89.2MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:08:15,338 INFO L158 Benchmark]: CodeCheck took 523497.18ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 103.2MB in the end (delta: -14.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:08:15,339 INFO L158 Benchmark]: Witness Printer took 72.76ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 98.0MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:08:15,341 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 58 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 523.4s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2232 SdHoareTripleChecker+Valid, 8.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1776 mSDsluCounter, 492 SdHoareTripleChecker+Invalid, 7.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 175 mSDsCounter, 578 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5026 IncrementalHoareTripleChecker+Invalid, 5604 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 578 mSolverCounterUnsat, 317 mSDtfsCounter, 5026 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2903 GetRequests, 2625 SyntacticMatches, 88 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20363 ImplicationChecksByTransitivity, 500.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 267.0s InterpolantComputationTime, 384 NumberOfCodeBlocks, 384 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 335 ConstructedInterpolants, 0 QuantifiedInterpolants, 1969 SizeOfPredicates, 0 NumberOfNonLiveVariables, 379 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 41]: integer overflow possible integer overflow possible We found a FailurePath: [L22] int counter = 0; [L24] unsigned int z, k; [L25] long long x, y, c; [L26] z = __VERIFIER_nondet_uint() [L27] k = __VERIFIER_nondet_uint() [L29] x = 1 [L30] y = z [L31] c = 1 VAL [c=1, counter=0, x=1, y=3037000500, z=3037000500] [L33] EXPR counter++ VAL [c=1, counter=1, x=1, y=3037000500, z=3037000500] [L33] COND TRUE counter++<5 [L34] EXPR x*z VAL [c=1, counter=1, x=1, y=3037000500, z=3037000500] [L34] EXPR x*z - x VAL [c=1, counter=1, x=1, y=3037000500, z=3037000500] [L34] EXPR x*z - x - y VAL [c=1, counter=1, x=1, y=3037000500, z=3037000500] [L34] EXPR x*z - x - y + 1 VAL [c=1, counter=1, x=1, y=3037000500, z=3037000500] [L34] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [counter=1] [L16] COND FALSE !(!(cond)) [L34] RET __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [c=1, counter=1, x=1, y=3037000500, z=3037000500] [L36] COND FALSE !(!(c < k)) VAL [c=1, counter=1, k=2, x=1, y=3037000500, z=3037000500] [L39] EXPR c + 1 [L39] c = c + 1 VAL [c=2, counter=1, k=2, x=1, y=3037000500, z=3037000500] [L40] EXPR x * z VAL [c=2, counter=1, k=2, x=1, y=3037000500, z=3037000500] [L40] EXPR x * z + 1 [L40] x = x * z + 1 VAL [c=2, counter=1, k=2, x=3037000501, y=3037000500, z=3037000500] [L41] y * z VAL [c=2, counter=1, k=2, x=3037000501] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.74ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 108.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.72ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 106.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.19ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.6MB in the end (delta: 941.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 459.72ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 89.2MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 523497.18ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 103.2MB in the end (delta: -14.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 72.76ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 98.0MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 00:08:15,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b2056b-f9cc-434e-8601-a6bb72ea5509/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)