./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_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_6eea50fc-e227-4d77-91fd-fe713b3c7bc8/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eea50fc-e227-4d77-91fd-fe713b3c7bc8/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_6eea50fc-e227-4d77-91fd-fe713b3c7bc8/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eea50fc-e227-4d77-91fd-fe713b3c7bc8/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eea50fc-e227-4d77-91fd-fe713b3c7bc8/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_6eea50fc-e227-4d77-91fd-fe713b3c7bc8/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 88bd25977c0842fd8cbed2067bf45a28fc8a8b1d6c8c7adfc7fdeaed7cb57f0c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:02:16,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:02:16,862 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eea50fc-e227-4d77-91fd-fe713b3c7bc8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:02:16,866 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:02:16,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:02:16,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:02:16,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:02:16,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:02:16,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:02:16,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:02:16,886 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:02:16,886 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:02:16,886 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:02:16,886 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:02:16,886 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:02:16,886 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:02:16,886 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:02:16,886 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:02:16,886 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:02:16,887 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:02:16,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:02:16,887 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:02:16,887 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:02:16,887 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:02:16,887 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:02:16,887 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:02:16,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:02:16,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:02:16,887 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:02:16,887 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:02:16,887 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:02:16,888 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:02:16,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:02:16,888 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_6eea50fc-e227-4d77-91fd-fe713b3c7bc8/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 -> 88bd25977c0842fd8cbed2067bf45a28fc8a8b1d6c8c7adfc7fdeaed7cb57f0c [2024-12-06 04:02:17,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:02:17,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:02:17,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:02:17,120 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:02:17,121 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:02:17,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eea50fc-e227-4d77-91fd-fe713b3c7bc8/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c [2024-12-06 04:02:19,758 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eea50fc-e227-4d77-91fd-fe713b3c7bc8/bin/ukojak-verify-CZk0znPC7b/data/3c89ea2d8/c7d592f5ef2b4a5d98938fded26ea130/FLAG35d799401 [2024-12-06 04:02:19,929 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:02:19,929 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eea50fc-e227-4d77-91fd-fe713b3c7bc8/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c [2024-12-06 04:02:19,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eea50fc-e227-4d77-91fd-fe713b3c7bc8/bin/ukojak-verify-CZk0znPC7b/data/3c89ea2d8/c7d592f5ef2b4a5d98938fded26ea130/FLAG35d799401 [2024-12-06 04:02:20,315 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eea50fc-e227-4d77-91fd-fe713b3c7bc8/bin/ukojak-verify-CZk0znPC7b/data/3c89ea2d8/c7d592f5ef2b4a5d98938fded26ea130 [2024-12-06 04:02:20,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:02:20,318 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:02:20,320 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:02:20,320 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:02:20,323 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:02:20,324 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:02:20" (1/1) ... [2024-12-06 04:02:20,324 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a6c6e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:20, skipping insertion in model container [2024-12-06 04:02:20,325 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:02:20" (1/1) ... [2024-12-06 04:02:20,334 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:02:20,436 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_6eea50fc-e227-4d77-91fd-fe713b3c7bc8/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c[546,559] [2024-12-06 04:02:20,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:02:20,455 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:02:20,463 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_6eea50fc-e227-4d77-91fd-fe713b3c7bc8/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c[546,559] [2024-12-06 04:02:20,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:02:20,478 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:02:20,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:20 WrapperNode [2024-12-06 04:02:20,479 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:02:20,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:02:20,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:02:20,480 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:02:20,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:20" (1/1) ... [2024-12-06 04:02:20,489 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:20" (1/1) ... [2024-12-06 04:02:20,500 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2024-12-06 04:02:20,500 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:02:20,501 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:02:20,501 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:02:20,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:02:20,506 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:20" (1/1) ... [2024-12-06 04:02:20,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:20" (1/1) ... [2024-12-06 04:02:20,507 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:20" (1/1) ... [2024-12-06 04:02:20,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:20" (1/1) ... [2024-12-06 04:02:20,510 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:20" (1/1) ... [2024-12-06 04:02:20,510 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:20" (1/1) ... [2024-12-06 04:02:20,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:20" (1/1) ... [2024-12-06 04:02:20,514 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:20" (1/1) ... [2024-12-06 04:02:20,515 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:20" (1/1) ... [2024-12-06 04:02:20,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:02:20,517 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:02:20,517 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:02:20,517 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:02:20,518 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:20" (1/1) ... [2024-12-06 04:02:20,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:02:20,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eea50fc-e227-4d77-91fd-fe713b3c7bc8/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:02:20,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eea50fc-e227-4d77-91fd-fe713b3c7bc8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:02:20,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eea50fc-e227-4d77-91fd-fe713b3c7bc8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:02:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:02:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 04:02:20,565 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 04:02:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:02:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:02:20,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:02:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:02:20,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:02:20,608 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:02:20,609 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:02:20,716 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 04:02:20,716 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:02:20,738 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:02:20,738 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:02:20,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:02:20 BoogieIcfgContainer [2024-12-06 04:02:20,739 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:02:20,739 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:02:20,739 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:02:20,748 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:02:20,748 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:02:20" (1/1) ... [2024-12-06 04:02:20,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:02:20,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:02:20,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-12-06 04:02:20,799 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-12-06 04:02:20,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 04:02:20,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:02:20,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:02:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:02:20,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:02:20,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:02:20,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-12-06 04:02:20,933 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-12-06 04:02:20,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 04:02:20,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:02:20,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:02:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:02:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:02:20,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:02:21,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:02:21,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:02:21,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:02:21,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-12-06 04:02:21,200 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-12-06 04:02:21,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 04:02:21,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:02:21,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:02:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:02:21,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:02:21,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:02:21,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 36 transitions. [2024-12-06 04:02:21,527 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-12-06 04:02:21,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 04:02:21,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:02:21,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:02:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:02:21,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:02:22,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:02:22,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 37 transitions. [2024-12-06 04:02:22,333 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-12-06 04:02:22,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 04:02:22,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:02:22,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:02:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:02:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:02:22,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 04:02:22,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:02:22,611 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:02:24,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:02:24,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 50 transitions. [2024-12-06 04:02:24,009 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2024-12-06 04:02:24,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:02:24,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:02:24,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:02:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:02:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:02:24,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 04:02:24,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:02:24,286 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 04:02:25,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:02:25,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 57 transitions. [2024-12-06 04:02:25,542 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2024-12-06 04:02:25,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 04:02:25,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:02:25,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:02:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:02:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:02:25,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 04:02:25,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:02:26,187 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 04:03:10,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:03:10,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 84 transitions. [2024-12-06 04:03:10,229 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 84 transitions. [2024-12-06 04:03:10,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 04:03:10,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:03:10,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:03:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:03:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:03:10,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 04:03:10,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:03:10,759 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 37 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:03:25,917 WARN L286 SmtUtils]: Spent 10.22s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 04:03:26,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:03:26,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 59 states and 92 transitions. [2024-12-06 04:03:26,980 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 92 transitions. [2024-12-06 04:03:26,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-06 04:03:26,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:03:26,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:03:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:03:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:03:27,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 04:03:27,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:03:27,639 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 10 proven. 56 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-12-06 04:03:35,958 WARN L286 SmtUtils]: Spent 7.60s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 04:04:03,519 WARN L286 SmtUtils]: Spent 26.80s 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 04:04:10,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.70s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:04:10,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:04:10,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 63 states and 99 transitions. [2024-12-06 04:04:10,826 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 99 transitions. [2024-12-06 04:04:10,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-06 04:04:10,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:04:10,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:04:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:04:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:04:10,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-12-06 04:04:10,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:04:12,093 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 30 proven. 88 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-06 04:05:37,940 WARN L286 SmtUtils]: Spent 22.15s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 04:06:08,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.62s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:06:08,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:06:08,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 75 states and 120 transitions. [2024-12-06 04:06:08,716 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 120 transitions. [2024-12-06 04:06:08,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-12-06 04:06:08,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:06:08,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:06:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:06:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:06:08,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 04:06:08,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:06:09,452 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 14 proven. 106 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-12-06 04:06:44,325 WARN L286 SmtUtils]: Spent 34.12s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 04:07:25,457 WARN L286 SmtUtils]: Spent 36.13s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 04:07:29,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:07:30,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:07:30,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 79 states and 127 transitions. [2024-12-06 04:07:30,862 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 127 transitions. [2024-12-06 04:07:30,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-06 04:07:30,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:07:30,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:07:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:07:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:07:30,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-06 04:07:30,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:07:31,763 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 16 proven. 137 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-12-06 04:07:49,348 WARN L286 SmtUtils]: Spent 16.40s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 04:09:48,744 WARN L286 SmtUtils]: Spent 1.68m on a formula simplification that was a NOOP. DAG size: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 04:09:55,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:09:55,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:55,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 83 states and 134 transitions. [2024-12-06 04:09:55,202 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 134 transitions. [2024-12-06 04:09:55,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-06 04:09:55,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:55,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:09:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:55,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-06 04:09:55,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:09:56,644 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 18 proven. 172 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 04:11:49,911 WARN L286 SmtUtils]: Spent 1.88m on a formula simplification that was a NOOP. DAG size: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 04:12:42,422 WARN L286 SmtUtils]: Spent 40.52s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 04:13:00,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:14:15,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26m for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:14:16,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:16,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 87 states and 141 transitions. [2024-12-06 04:14:16,042 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 141 transitions. [2024-12-06 04:14:16,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-06 04:14:16,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:16,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:14:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:14:16,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-06 04:14:16,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:14:18,187 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 20 proven. 211 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-12-06 04:15:23,691 WARN L286 SmtUtils]: Spent 1.07m on a formula simplification that was a NOOP. DAG size: 75 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 04:17:28,891 WARN L286 SmtUtils]: Spent 1.96m on a formula simplification that was a NOOP. DAG size: 76 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)