./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.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_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3 --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 e4b995352c2aa614292d7ca8e2ab060aead2140bac61fbd718d54a02f08e13c4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:59:54,202 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:59:54,267 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 01:59:54,273 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:59:54,273 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:59:54,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:59:54,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:59:54,313 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:59:54,314 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:59:54,314 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:59:54,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:59:54,315 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:59:54,315 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 01:59:54,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:59:54,316 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 01:59:54,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:59:54,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:59:54,317 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:59:54,317 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:59:54,317 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 01:59:54,317 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:59:54,317 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:59:54,318 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:59:54,318 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:59:54,318 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:59:54,318 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:59:54,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:59:54,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:59:54,318 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:59:54,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:59:54,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:59:54,318 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:59:54,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:59:54,319 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_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3 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 -> e4b995352c2aa614292d7ca8e2ab060aead2140bac61fbd718d54a02f08e13c4 [2024-11-25 01:59:54,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:59:54,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:59:54,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:59:54,700 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:59:54,700 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:59:54,702 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c [2024-11-25 01:59:58,417 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/data/62d3f16ff/e267d93bbe3e4b2eb66d9da2a35d679e/FLAG6bf06e932 [2024-11-25 01:59:58,826 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:59:58,827 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c [2024-11-25 01:59:58,849 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/data/62d3f16ff/e267d93bbe3e4b2eb66d9da2a35d679e/FLAG6bf06e932 [2024-11-25 01:59:58,870 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/data/62d3f16ff/e267d93bbe3e4b2eb66d9da2a35d679e [2024-11-25 01:59:58,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:59:58,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:59:58,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:59:58,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:59:58,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:59:58,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:59:58" (1/1) ... [2024-11-25 01:59:58,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@248d4b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:58, skipping insertion in model container [2024-11-25 01:59:58,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:59:58" (1/1) ... [2024-11-25 01:59:58,909 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:59:59,176 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_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c[987,1000] [2024-11-25 01:59:59,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:59:59,227 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:59:59,242 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_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c[987,1000] [2024-11-25 01:59:59,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:59:59,284 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:59:59,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:59 WrapperNode [2024-11-25 01:59:59,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:59:59,289 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:59:59,289 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:59:59,289 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:59:59,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:59" (1/1) ... [2024-11-25 01:59:59,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:59" (1/1) ... [2024-11-25 01:59:59,336 INFO L138 Inliner]: procedures = 16, calls = 51, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2024-11-25 01:59:59,337 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:59:59,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:59:59,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:59:59,338 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:59:59,348 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:59" (1/1) ... [2024-11-25 01:59:59,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:59" (1/1) ... [2024-11-25 01:59:59,351 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:59" (1/1) ... [2024-11-25 01:59:59,351 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:59" (1/1) ... [2024-11-25 01:59:59,364 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:59" (1/1) ... [2024-11-25 01:59:59,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:59" (1/1) ... [2024-11-25 01:59:59,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:59" (1/1) ... [2024-11-25 01:59:59,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:59" (1/1) ... [2024-11-25 01:59:59,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:59" (1/1) ... [2024-11-25 01:59:59,385 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:59:59,386 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:59:59,390 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:59:59,390 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:59:59,391 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:59" (1/1) ... [2024-11-25 01:59:59,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:59:59,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:59:59,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:59:59,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:59:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:59:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 01:59:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 01:59:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 01:59:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:59:59,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:59:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 01:59:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_26_to_34_0 [2024-11-25 01:59:59,497 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_26_to_34_0 [2024-11-25 01:59:59,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 01:59:59,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 01:59:59,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 01:59:59,623 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:59:59,626 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:59:59,924 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 01:59:59,924 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:59:59,981 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:59:59,981 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 01:59:59,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:59:59 BoogieIcfgContainer [2024-11-25 01:59:59,982 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:59:59,982 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:59:59,983 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:59:59,998 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:59:59,999 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:59:59" (1/1) ... [2024-11-25 02:00:00,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:00:00,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:00,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-11-25 02:00:00,102 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-25 02:00:00,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:00:00,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:00,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:00:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:00,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-25 02:00:00,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:00:00,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:00,836 INFO L349 Elim1Store]: treesize reduction 40, result has 35.5 percent of original size [2024-11-25 02:00:00,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 45 [2024-11-25 02:00:00,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:00,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:00,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:00,924 INFO L349 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2024-11-25 02:00:00,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 50 [2024-11-25 02:00:00,988 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-25 02:00:00,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 86 [2024-11-25 02:00:01,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:01,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:01,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 32 transitions. [2024-11-25 02:00:01,895 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-11-25 02:00:01,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 02:00:01,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:01,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:00:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:02,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 85 conjuncts are in the unsatisfiable core [2024-11-25 02:00:02,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:00:02,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2024-11-25 02:00:02,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2024-11-25 02:00:02,226 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:02,228 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2024-11-25 02:00:02,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-25 02:00:02,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:02,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:02,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:02,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 60 [2024-11-25 02:00:02,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:02,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:02,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:02,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2024-11-25 02:00:02,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:02,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:02,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:02,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 23 [2024-11-25 02:00:02,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-25 02:00:02,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:02,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:02,379 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-25 02:00:02,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2024-11-25 02:00:02,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-25 02:00:02,473 INFO L349 Elim1Store]: treesize reduction 50, result has 44.4 percent of original size [2024-11-25 02:00:02,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 66 [2024-11-25 02:00:02,484 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:02,485 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2024-11-25 02:00:02,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-25 02:00:02,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2024-11-25 02:00:02,735 INFO L349 Elim1Store]: treesize reduction 59, result has 30.6 percent of original size [2024-11-25 02:00:02,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 41 [2024-11-25 02:00:02,792 INFO L349 Elim1Store]: treesize reduction 24, result has 52.9 percent of original size [2024-11-25 02:00:02,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 53 [2024-11-25 02:00:02,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-25 02:00:02,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-25 02:00:02,885 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-25 02:00:02,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 12 [2024-11-25 02:00:02,938 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-25 02:00:02,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2024-11-25 02:00:03,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:03,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:03,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:03,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 40 [2024-11-25 02:00:04,130 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:07,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:07,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 64 transitions. [2024-11-25 02:00:07,323 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2024-11-25 02:00:07,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 02:00:07,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:07,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:00:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:07,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-25 02:00:07,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:00:07,486 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-25 02:00:07,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2024-11-25 02:00:07,604 INFO L349 Elim1Store]: treesize reduction 36, result has 48.6 percent of original size [2024-11-25 02:00:07,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 115 [2024-11-25 02:00:07,614 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:07,617 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2024-11-25 02:00:07,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:07,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 97 [2024-11-25 02:00:07,655 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:07,658 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2024-11-25 02:00:07,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:07,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:07,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:07,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 78 [2024-11-25 02:00:07,688 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:07,689 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2024-11-25 02:00:07,709 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:07,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2024-11-25 02:00:07,851 INFO L349 Elim1Store]: treesize reduction 108, result has 25.0 percent of original size [2024-11-25 02:00:07,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 115 treesize of output 130 [2024-11-25 02:00:07,987 INFO L349 Elim1Store]: treesize reduction 64, result has 29.7 percent of original size [2024-11-25 02:00:07,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 91 treesize of output 120 [2024-11-25 02:00:07,999 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:08,000 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2024-11-25 02:00:08,107 INFO L349 Elim1Store]: treesize reduction 73, result has 32.4 percent of original size [2024-11-25 02:00:08,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 127 treesize of output 155 [2024-11-25 02:00:08,120 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:08,121 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2024-11-25 02:00:08,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 8 [2024-11-25 02:00:08,139 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-25 02:00:08,213 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:08,214 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-25 02:00:08,315 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:08,315 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-25 02:00:08,336 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:08,337 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-25 02:00:08,353 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:08,353 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-25 02:00:08,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 80 [2024-11-25 02:00:08,517 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-11-25 02:00:08,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 272 treesize of output 243 [2024-11-25 02:00:08,632 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:00:08,637 INFO L349 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2024-11-25 02:00:08,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 7 [2024-11-25 02:00:08,757 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:08,757 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 02:00:08,895 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:08,896 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 02:00:08,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 49 [2024-11-25 02:00:08,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:08,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:08,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:08,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 133 [2024-11-25 02:00:08,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:08,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:08,989 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-25 02:00:08,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2024-11-25 02:00:09,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 114 [2024-11-25 02:00:09,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 122 [2024-11-25 02:00:09,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 61 [2024-11-25 02:00:09,157 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:09,158 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 287 [2024-11-25 02:00:09,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 8 [2024-11-25 02:00:09,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-25 02:00:09,682 INFO L349 Elim1Store]: treesize reduction 225, result has 36.8 percent of original size [2024-11-25 02:00:09,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 660 treesize of output 450 [2024-11-25 02:00:09,723 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:09,724 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2024-11-25 02:00:09,941 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:00:09,941 INFO L224 Elim1Store]: Index analysis took 184 ms [2024-11-25 02:00:10,045 INFO L349 Elim1Store]: treesize reduction 124, result has 17.9 percent of original size [2024-11-25 02:00:10,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 12 case distinctions, treesize of input 133 treesize of output 177 [2024-11-25 02:00:10,083 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:10,084 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-25 02:00:10,161 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:10,162 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2024-11-25 02:00:10,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 89 [2024-11-25 02:00:10,540 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-11-25 02:00:10,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 17 [2024-11-25 02:00:10,708 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:10,709 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2024-11-25 02:00:10,710 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-25 02:00:10,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2024-11-25 02:00:11,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 543 treesize of output 547 [2024-11-25 02:00:11,323 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-25 02:00:11,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 3 [2024-11-25 02:00:11,382 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:11,383 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2024-11-25 02:00:11,385 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-25 02:00:11,581 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:11,582 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 548 [2024-11-25 02:00:11,772 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:11,774 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 364 [2024-11-25 02:00:12,278 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:12,279 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2024-11-25 02:00:12,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:12,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:12,518 INFO L349 Elim1Store]: treesize reduction 33, result has 29.8 percent of original size [2024-11-25 02:00:12,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 903 treesize of output 902 [2024-11-25 02:00:12,642 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:12,643 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2024-11-25 02:00:12,750 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-25 02:00:12,786 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:12,787 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2024-11-25 02:00:13,000 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:13,003 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 299 [2024-11-25 02:00:13,301 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:00:13,539 INFO L349 Elim1Store]: treesize reduction 84, result has 22.2 percent of original size [2024-11-25 02:00:13,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 2461 treesize of output 2573 [2024-11-25 02:00:14,040 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:00:14,041 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:00:14,043 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:00:14,044 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:00:14,052 INFO L349 Elim1Store]: treesize reduction 43, result has 2.3 percent of original size [2024-11-25 02:00:14,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 126 treesize of output 117 [2024-11-25 02:00:14,099 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:14,100 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2024-11-25 02:00:14,144 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:14,145 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2024-11-25 02:00:14,168 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:14,169 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2024-11-25 02:00:14,208 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:00:14,271 INFO L349 Elim1Store]: treesize reduction 73, result has 18.0 percent of original size [2024-11-25 02:00:14,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 393 treesize of output 465 [2024-11-25 02:00:14,382 INFO L349 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2024-11-25 02:00:14,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 3 [2024-11-25 02:00:14,517 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-25 02:00:14,728 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:14,729 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2024-11-25 02:00:14,836 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:00:14,859 INFO L349 Elim1Store]: treesize reduction 18, result has 14.3 percent of original size [2024-11-25 02:00:14,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 496 treesize of output 473 [2024-11-25 02:00:14,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 19 [2024-11-25 02:00:14,881 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-11-25 02:00:14,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2024-11-25 02:00:14,896 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:14,897 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2024-11-25 02:00:14,925 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:467) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 02:00:14,930 INFO L158 Benchmark]: Toolchain (without parser) took 16054.13ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 106.0MB in the beginning and 285.5MB in the end (delta: -179.5MB). Peak memory consumption was 196.7MB. Max. memory is 16.1GB. [2024-11-25 02:00:14,930 INFO L158 Benchmark]: CDTParser took 1.33ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:00:14,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.83ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 94.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:00:14,930 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.68ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 93.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:00:14,930 INFO L158 Benchmark]: Boogie Preprocessor took 47.54ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 92.6MB in the end (delta: 681.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:00:14,931 INFO L158 Benchmark]: RCFGBuilder took 595.37ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 78.4MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:00:14,931 INFO L158 Benchmark]: CodeCheck took 14946.24ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 78.4MB in the beginning and 285.5MB in the end (delta: -207.1MB). Peak memory consumption was 171.6MB. Max. memory is 16.1GB. [2024-11-25 02:00:14,933 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.83ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 94.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.68ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 93.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.54ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 92.6MB in the end (delta: 681.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 595.37ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 78.4MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14946.24ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 78.4MB in the beginning and 285.5MB in the end (delta: -207.1MB). Peak memory consumption was 171.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 02:00:14,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3 --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 e4b995352c2aa614292d7ca8e2ab060aead2140bac61fbd718d54a02f08e13c4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:00:18,118 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:00:18,269 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 02:00:18,329 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:00:18,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:00:18,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:00:18,332 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:00:18,332 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:00:18,333 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:00:18,333 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:00:18,333 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:00:18,334 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:00:18,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:00:18,335 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:00:18,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:00:18,336 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:00:18,336 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:00:18,336 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:00:18,336 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:00:18,336 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:00:18,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:00:18,336 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:00:18,336 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:00:18,336 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:00:18,337 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:00:18,337 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:00:18,337 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:00:18,337 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:00:18,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:00:18,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:00:18,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:00:18,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:00:18,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:00:18,338 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:00:18,338 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:00:18,339 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:00:18,340 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_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3 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 -> e4b995352c2aa614292d7ca8e2ab060aead2140bac61fbd718d54a02f08e13c4 [2024-11-25 02:00:18,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:00:18,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:00:18,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:00:18,777 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:00:18,778 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:00:18,779 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c [2024-11-25 02:00:22,497 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/data/509cadb6a/794586d0c2954b5c933b2e23274b802d/FLAGa94f05016 [2024-11-25 02:00:22,829 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:00:22,830 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c [2024-11-25 02:00:22,839 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/data/509cadb6a/794586d0c2954b5c933b2e23274b802d/FLAGa94f05016 [2024-11-25 02:00:23,081 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/data/509cadb6a/794586d0c2954b5c933b2e23274b802d [2024-11-25 02:00:23,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:00:23,089 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:00:23,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:00:23,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:00:23,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:00:23,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:00:23" (1/1) ... [2024-11-25 02:00:23,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@437caef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:23, skipping insertion in model container [2024-11-25 02:00:23,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:00:23" (1/1) ... [2024-11-25 02:00:23,123 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:00:23,318 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_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c[987,1000] [2024-11-25 02:00:23,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:00:23,366 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:00:23,379 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_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c[987,1000] [2024-11-25 02:00:23,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:00:23,416 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:00:23,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:23 WrapperNode [2024-11-25 02:00:23,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:00:23,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:00:23,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:00:23,418 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:00:23,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:23" (1/1) ... [2024-11-25 02:00:23,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:23" (1/1) ... [2024-11-25 02:00:23,456 INFO L138 Inliner]: procedures = 20, calls = 51, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2024-11-25 02:00:23,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:00:23,458 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:00:23,458 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:00:23,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:00:23,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:23" (1/1) ... [2024-11-25 02:00:23,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:23" (1/1) ... [2024-11-25 02:00:23,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:23" (1/1) ... [2024-11-25 02:00:23,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:23" (1/1) ... [2024-11-25 02:00:23,480 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:23" (1/1) ... [2024-11-25 02:00:23,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:23" (1/1) ... [2024-11-25 02:00:23,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:23" (1/1) ... [2024-11-25 02:00:23,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:23" (1/1) ... [2024-11-25 02:00:23,486 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:23" (1/1) ... [2024-11-25 02:00:23,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:00:23,493 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:00:23,493 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:00:23,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:00:23,494 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:23" (1/1) ... [2024-11-25 02:00:23,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:00:23,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:00:23,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:00:23,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:00:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:00:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:00:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 02:00:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-11-25 02:00:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-25 02:00:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:00:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:00:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-11-25 02:00:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_26_to_34_0 [2024-11-25 02:00:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_26_to_34_0 [2024-11-25 02:00:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:00:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:00:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-25 02:00:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:00:23,712 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:00:23,716 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:00:24,423 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 02:00:24,424 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:00:24,494 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:00:24,495 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:00:24,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:00:24 BoogieIcfgContainer [2024-11-25 02:00:24,495 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:00:24,497 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:00:24,497 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:00:24,527 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:00:24,527 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:00:24" (1/1) ... [2024-11-25 02:00:24,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:00:24,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:24,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-11-25 02:00:24,603 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-25 02:00:24,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:00:24,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:24,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:00:24,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:00:24,614 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:00:24,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:00:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:25,556 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:00:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:25,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-25 02:00:25,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:00:26,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:26,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:26,260 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:00:26,515 INFO L349 Elim1Store]: treesize reduction 42, result has 34.4 percent of original size [2024-11-25 02:00:26,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2024-11-25 02:00:26,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:26,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:26,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:26,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:26,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:26,606 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-25 02:00:26,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 60 [2024-11-25 02:00:26,711 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-25 02:00:26,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 27 [2024-11-25 02:00:27,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 42 [2024-11-25 02:00:27,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:27,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:00:30,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:00:30,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:30,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 32 transitions. [2024-11-25 02:00:30,465 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-11-25 02:00:30,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 02:00:30,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:30,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:00:30,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:00:30,470 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:00:30,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:00:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:32,272 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:00:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:33,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-25 02:00:33,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:00:33,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:33,892 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:00:34,606 INFO L349 Elim1Store]: treesize reduction 111, result has 25.0 percent of original size [2024-11-25 02:00:34,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 78 [2024-11-25 02:00:34,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:34,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:34,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:34,909 INFO L349 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2024-11-25 02:00:34,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 79 [2024-11-25 02:00:35,137 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-25 02:00:35,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 99 [2024-11-25 02:00:39,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:39,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:39,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:39,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 172 [2024-11-25 02:00:39,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 117 [2024-11-25 02:00:39,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 113 [2024-11-25 02:00:41,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 216 treesize of output 144 [2024-11-25 02:00:41,572 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:41,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 02:01:02,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:01:02,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:01:02,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 64 transitions. [2024-11-25 02:01:02,915 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2024-11-25 02:01:02,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 02:01:02,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:01:02,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:01:02,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:01:02,919 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:01:02,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 02:01:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:01:03,676 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:01:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:01:03,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-25 02:01:03,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:01:04,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:04,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:04,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:04,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 77 [2024-11-25 02:01:04,038 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:01:04,040 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2024-11-25 02:01:04,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 108 [2024-11-25 02:01:04,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2024-11-25 02:01:04,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:04,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:04,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:04,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 82 [2024-11-25 02:01:04,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:04,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:04,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:04,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 83 [2024-11-25 02:01:04,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:04,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:04,620 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-25 02:01:04,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2024-11-25 02:01:04,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 36 [2024-11-25 02:01:04,758 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:01:04,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2024-11-25 02:01:04,804 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:01:04,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2024-11-25 02:01:04,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:04,888 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:01:04,918 INFO L349 Elim1Store]: treesize reduction 50, result has 2.0 percent of original size [2024-11-25 02:01:04,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 45 [2024-11-25 02:01:04,999 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-25 02:01:04,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2024-11-25 02:01:05,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2024-11-25 02:01:05,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:05,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:05,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:05,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 77 [2024-11-25 02:01:05,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:05,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:05,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:05,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 78 [2024-11-25 02:01:05,380 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:01:19,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:01:19,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 02:01:32,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:01:32,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 44 states and 86 transitions. [2024-11-25 02:01:32,560 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2024-11-25 02:01:32,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 02:01:32,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:01:32,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:01:32,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:01:32,564 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:01:32,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 02:01:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:01:35,103 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:01:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:01:35,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-25 02:01:35,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:01:36,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:36,128 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:01:36,893 INFO L349 Elim1Store]: treesize reduction 111, result has 25.0 percent of original size [2024-11-25 02:01:36,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 78 [2024-11-25 02:01:37,022 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-25 02:01:37,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 86 [2024-11-25 02:01:37,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:37,302 INFO L349 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2024-11-25 02:01:37,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 79 [2024-11-25 02:01:40,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:40,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:40,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:40,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 172 [2024-11-25 02:01:40,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 114 [2024-11-25 02:01:40,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 101 [2024-11-25 02:01:45,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:46,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:46,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:01:46,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 321 treesize of output 264 [2024-11-25 02:01:46,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 197 [2024-11-25 02:01:46,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 326 treesize of output 285 [2024-11-25 02:01:48,588 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-11-25 02:01:48,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 496 treesize of output 428 [2024-11-25 02:01:49,896 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:01:49,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 02:02:26,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:26,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 54 states and 122 transitions. [2024-11-25 02:02:26,973 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2024-11-25 02:02:26,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 02:02:26,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:26,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:26,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:26,976 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:26,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 02:02:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:28,092 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:28,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-25 02:02:28,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:29,084 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:02:29,572 INFO L349 Elim1Store]: treesize reduction 42, result has 35.4 percent of original size [2024-11-25 02:02:29,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 53 [2024-11-25 02:02:29,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:02:29,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 61 [2024-11-25 02:02:29,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:02:29,973 INFO L349 Elim1Store]: treesize reduction 36, result has 25.0 percent of original size [2024-11-25 02:02:29,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 51 [2024-11-25 02:02:30,368 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-25 02:04:19,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:04:20,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 47 [2024-11-25 02:04:21,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 33 [2024-11-25 02:04:37,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 92 [2024-11-25 02:04:39,866 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 02:04:39,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b1d5a-fca4-4860-bbc3-ebd9e9f8ac4b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 02:07:55,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-25 02:09:33,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 02:13:48,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-25 02:14:05,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-25 02:14:06,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]