./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-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_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad27d809606deb561fe152191ab0a1443c0552410f06ac9bb9a7a7bf17dec4e9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:48:34,004 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:48:34,058 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:48:34,062 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:48:34,062 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:48:34,080 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:48:34,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:48:34,081 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:48:34,081 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:48:34,081 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:48:34,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:48:34,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:48:34,081 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:48:34,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:48:34,082 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:48:34,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:48:34,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:48:34,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:48:34,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:48:34,082 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:48:34,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:48:34,082 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:48:34,082 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:48:34,082 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:48:34,082 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:48:34,083 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:48:34,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:48:34,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:48:34,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:48:34,083 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:48:34,083 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:48:34,083 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:48:34,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:48:34,083 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_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad27d809606deb561fe152191ab0a1443c0552410f06ac9bb9a7a7bf17dec4e9 [2024-12-06 00:48:34,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:48:34,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:48:34,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:48:34,293 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:48:34,293 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:48:34,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c [2024-12-06 00:48:37,015 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/data/7723fa21e/78ea0456507b4df28d2eb7131c1a17b1/FLAG78dfef422 [2024-12-06 00:48:37,206 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:48:37,206 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c [2024-12-06 00:48:37,213 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/data/7723fa21e/78ea0456507b4df28d2eb7131c1a17b1/FLAG78dfef422 [2024-12-06 00:48:37,224 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/data/7723fa21e/78ea0456507b4df28d2eb7131c1a17b1 [2024-12-06 00:48:37,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:48:37,228 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:48:37,229 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:48:37,229 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:48:37,234 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:48:37,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:48:37" (1/1) ... [2024-12-06 00:48:37,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18c37250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:37, skipping insertion in model container [2024-12-06 00:48:37,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:48:37" (1/1) ... [2024-12-06 00:48:37,250 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:48:37,384 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_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c[983,996] [2024-12-06 00:48:37,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:48:37,403 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:48:37,410 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_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c[983,996] [2024-12-06 00:48:37,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:48:37,429 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:48:37,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:37 WrapperNode [2024-12-06 00:48:37,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:48:37,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:48:37,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:48:37,431 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:48:37,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:37" (1/1) ... [2024-12-06 00:48:37,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:37" (1/1) ... [2024-12-06 00:48:37,460 INFO L138 Inliner]: procedures = 16, calls = 44, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2024-12-06 00:48:37,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:48:37,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:48:37,461 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:48:37,461 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:48:37,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:37" (1/1) ... [2024-12-06 00:48:37,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:37" (1/1) ... [2024-12-06 00:48:37,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:37" (1/1) ... [2024-12-06 00:48:37,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:37" (1/1) ... [2024-12-06 00:48:37,475 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:37" (1/1) ... [2024-12-06 00:48:37,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:37" (1/1) ... [2024-12-06 00:48:37,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:37" (1/1) ... [2024-12-06 00:48:37,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:37" (1/1) ... [2024-12-06 00:48:37,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:37" (1/1) ... [2024-12-06 00:48:37,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:48:37,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:48:37,482 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:48:37,482 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:48:37,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:37" (1/1) ... [2024-12-06 00:48:37,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:48:37,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:48:37,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:48:37,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:48:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:48:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:48:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 00:48:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 00:48:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:48:37,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:48:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 00:48:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_26_to_34_0 [2024-12-06 00:48:37,542 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_26_to_34_0 [2024-12-06 00:48:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 00:48:37,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 00:48:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:48:37,607 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:48:37,609 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:48:37,724 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 00:48:37,724 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:48:37,750 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:48:37,751 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:48:37,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:48:37 BoogieIcfgContainer [2024-12-06 00:48:37,751 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:48:37,752 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:48:37,752 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:48:37,761 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:48:37,761 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:48:37" (1/1) ... [2024-12-06 00:48:37,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:48:37,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:48:37,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-12-06 00:48:37,813 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-12-06 00:48:37,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:48:37,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:48:37,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:48:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:48:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:48:38,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-06 00:48:38,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:48:38,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:38,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:38,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:38,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:38,322 INFO L349 Elim1Store]: treesize reduction 188, result has 24.5 percent of original size [2024-12-06 00:48:38,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 130 treesize of output 333 [2024-12-06 00:48:38,364 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 17 treesize of output 15 [2024-12-06 00:48:38,414 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 17 treesize of output 15 [2024-12-06 00:48:38,469 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:48:38,470 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 110 treesize of output 100 [2024-12-06 00:48:38,809 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 33 treesize of output 29 [2024-12-06 00:48:38,861 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 33 treesize of output 29 [2024-12-06 00:48:38,910 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 33 treesize of output 29 [2024-12-06 00:48:39,008 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:48:39,013 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 368 [2024-12-06 00:48:39,359 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:48:39,363 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 400 [2024-12-06 00:48:39,643 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:48:39,645 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 465 [2024-12-06 00:48:40,006 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:48:40,007 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 276 [2024-12-06 00:48:40,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:40,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:40,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:40,543 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:48:40,709 INFO L349 Elim1Store]: treesize reduction 237, result has 11.9 percent of original size [2024-12-06 00:48:40,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 655 treesize of output 821 [2024-12-06 00:48:40,824 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:48:40,825 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 252 [2024-12-06 00:48:40,835 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:48:40,837 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 415 [2024-12-06 00:48:40,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:40,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:40,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:40,977 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 123 treesize of output 93 [2024-12-06 00:48:41,118 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:48:41,120 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 373 [2024-12-06 00:48:41,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:41,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:41,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:41,327 INFO L349 Elim1Store]: treesize reduction 73, result has 14.1 percent of original size [2024-12-06 00:48:41,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 1436 treesize of output 1354 [2024-12-06 00:48:41,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:41,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 19 [2024-12-06 00:48:41,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:48:41,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:48:41,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 32 transitions. [2024-12-06 00:48:41,861 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-12-06 00:48:41,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:48:41,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:48:41,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:48:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:48:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:48:41,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-12-06 00:48:41,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:48:42,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:42,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:42,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:42,125 INFO L349 Elim1Store]: treesize reduction 127, result has 27.4 percent of original size [2024-12-06 00:48:42,126 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 207 [2024-12-06 00:48:42,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:42,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:42,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:42,174 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:48:42,230 INFO L349 Elim1Store]: treesize reduction 103, result has 14.9 percent of original size [2024-12-06 00:48:42,231 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 3 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 130 [2024-12-06 00:48:42,239 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:48:42,240 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2024-12-06 00:48:42,276 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:48:42,277 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 76 treesize of output 70 [2024-12-06 00:48:42,377 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 [2024-12-06 00:48:42,446 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 [2024-12-06 00:48:42,494 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 [2024-12-06 00:48:42,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:42,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2024-12-06 00:48:42,575 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 81 treesize of output 135 [2024-12-06 00:48:42,624 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:48:42,628 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-06 00:48:42,629 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 36 treesize of output 32 [2024-12-06 00:48:42,641 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:48:42,642 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2024-12-06 00:48:42,644 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-12-06 00:48:42,728 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) [2024-12-06 00:48:42,732 INFO L158 Benchmark]: Toolchain (without parser) took 5504.22ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 117.2MB in the beginning and 250.0MB in the end (delta: -132.8MB). Peak memory consumption was 181.3MB. Max. memory is 16.1GB. [2024-12-06 00:48:42,732 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:48:42,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.44ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 106.0MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:48:42,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.63ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:48:42,734 INFO L158 Benchmark]: Boogie Preprocessor took 20.09ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.9MB in the end (delta: 709.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:48:42,734 INFO L158 Benchmark]: RCFGBuilder took 269.19ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 90.2MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:48:42,735 INFO L158 Benchmark]: CodeCheck took 4979.44ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 90.2MB in the beginning and 250.0MB in the end (delta: -159.8MB). Peak memory consumption was 156.1MB. Max. memory is 16.1GB. [2024-12-06 00:48:42,736 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 0.27ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 201.44ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 106.0MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.63ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.09ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.9MB in the end (delta: 709.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 269.19ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 90.2MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 4979.44ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 90.2MB in the beginning and 250.0MB in the end (delta: -159.8MB). Peak memory consumption was 156.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:48:42,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad27d809606deb561fe152191ab0a1443c0552410f06ac9bb9a7a7bf17dec4e9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:48:44,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:48:44,772 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:48:44,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:48:44,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:48:44,797 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:48:44,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:48:44,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:48:44,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:48:44,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:48:44,798 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:48:44,798 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:48:44,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:48:44,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:48:44,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:48:44,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:48:44,798 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:48:44,798 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:48:44,799 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:48:44,799 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:48:44,799 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:48:44,799 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:48:44,799 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:48:44,799 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:48:44,799 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:48:44,799 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:48:44,799 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:48:44,799 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:48:44,799 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:48:44,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:48:44,800 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:48:44,800 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:48:44,800 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:48:44,800 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:48:44,800 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:48:44,800 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:48:44,800 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_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad27d809606deb561fe152191ab0a1443c0552410f06ac9bb9a7a7bf17dec4e9 [2024-12-06 00:48:45,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:48:45,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:48:45,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:48:45,044 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:48:45,045 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:48:45,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c [2024-12-06 00:48:47,684 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/data/dffb15130/62b9314fc46340d38832bd7c64b3c5f6/FLAG09576aa02 [2024-12-06 00:48:47,882 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:48:47,882 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c [2024-12-06 00:48:47,889 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/data/dffb15130/62b9314fc46340d38832bd7c64b3c5f6/FLAG09576aa02 [2024-12-06 00:48:48,262 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/data/dffb15130/62b9314fc46340d38832bd7c64b3c5f6 [2024-12-06 00:48:48,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:48:48,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:48:48,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:48:48,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:48:48,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:48:48,270 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:48:48" (1/1) ... [2024-12-06 00:48:48,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b86d701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:48, skipping insertion in model container [2024-12-06 00:48:48,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:48:48" (1/1) ... [2024-12-06 00:48:48,284 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:48:48,410 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_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c[983,996] [2024-12-06 00:48:48,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:48:48,431 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:48:48,440 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_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c[983,996] [2024-12-06 00:48:48,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:48:48,461 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:48:48,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:48 WrapperNode [2024-12-06 00:48:48,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:48:48,462 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:48:48,462 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:48:48,462 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:48:48,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:48" (1/1) ... [2024-12-06 00:48:48,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:48" (1/1) ... [2024-12-06 00:48:48,489 INFO L138 Inliner]: procedures = 20, calls = 44, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2024-12-06 00:48:48,489 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:48:48,489 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:48:48,489 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:48:48,490 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:48:48,497 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:48" (1/1) ... [2024-12-06 00:48:48,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:48" (1/1) ... [2024-12-06 00:48:48,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:48" (1/1) ... [2024-12-06 00:48:48,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:48" (1/1) ... [2024-12-06 00:48:48,507 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:48" (1/1) ... [2024-12-06 00:48:48,507 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:48" (1/1) ... [2024-12-06 00:48:48,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:48" (1/1) ... [2024-12-06 00:48:48,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:48" (1/1) ... [2024-12-06 00:48:48,511 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:48" (1/1) ... [2024-12-06 00:48:48,513 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:48:48,514 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:48:48,514 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:48:48,514 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:48:48,515 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:48" (1/1) ... [2024-12-06 00:48:48,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:48:48,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:48:48,544 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:48:48,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:48:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:48:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:48:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 00:48:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-12-06 00:48:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 00:48:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:48:48,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:48:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-12-06 00:48:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_26_to_34_0 [2024-12-06 00:48:48,573 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_26_to_34_0 [2024-12-06 00:48:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 00:48:48,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 00:48:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:48:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 00:48:48,638 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:48:48,640 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:48:48,825 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 00:48:48,825 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:48:48,853 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:48:48,853 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:48:48,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:48:48 BoogieIcfgContainer [2024-12-06 00:48:48,854 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:48:48,854 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:48:48,854 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:48:48,861 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:48:48,861 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:48:48" (1/1) ... [2024-12-06 00:48:48,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:48:48,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:48:48,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-12-06 00:48:48,907 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-12-06 00:48:48,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:48:48,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:48:48,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:48:48,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:48:48,913 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:48:48,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:48:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:48:49,148 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:48:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:48:49,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 00:48:49,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:48:49,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:49,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:49,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:49,374 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 71 treesize of output 70 [2024-12-06 00:48:49,385 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:48:49,386 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2024-12-06 00:48:49,406 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 [2024-12-06 00:48:49,438 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 [2024-12-06 00:48:49,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:49,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:49,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:49,529 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 76 treesize of output 75 [2024-12-06 00:48:49,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:49,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:49,594 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-12-06 00:48:49,595 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 [2024-12-06 00:48:49,627 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 79 treesize of output 78 [2024-12-06 00:48:49,641 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:48:49,642 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2024-12-06 00:48:49,662 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:48:49,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 143 [2024-12-06 00:48:49,684 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 40 treesize of output 1 [2024-12-06 00:48:49,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:49,772 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:48:49,818 INFO L349 Elim1Store]: treesize reduction 30, result has 31.8 percent of original size [2024-12-06 00:48:49,818 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 53 treesize of output 55 [2024-12-06 00:48:49,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:49,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:49,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:49,838 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 55 treesize of output 47 [2024-12-06 00:48:49,861 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-12-06 00:48:49,862 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 [2024-12-06 00:48:49,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:49,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:49,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:49,911 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 71 treesize of output 70 [2024-12-06 00:48:49,933 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:48:50,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:48:50,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:48:51,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:48:51,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 32 transitions. [2024-12-06 00:48:51,068 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-12-06 00:48:51,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:48:51,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:48:51,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:48:51,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:48:51,070 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:48:51,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:48:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:48:51,536 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:48:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:48:51,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 00:48:51,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:48:52,119 INFO L349 Elim1Store]: treesize reduction 69, result has 40.0 percent of original size [2024-12-06 00:48:52,119 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 71 treesize of output 72 [2024-12-06 00:48:52,127 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:48:52,128 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2024-12-06 00:48:52,143 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 [2024-12-06 00:48:52,364 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 [2024-12-06 00:48:52,399 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-12-06 00:48:52,400 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 [2024-12-06 00:48:52,428 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:48:52,478 INFO L349 Elim1Store]: treesize reduction 30, result has 31.8 percent of original size [2024-12-06 00:48:52,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 55 [2024-12-06 00:48:52,490 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 55 treesize of output 47 [2024-12-06 00:48:52,714 INFO L349 Elim1Store]: treesize reduction 69, result has 40.0 percent of original size [2024-12-06 00:48:52,714 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 3 case distinctions, treesize of input 71 treesize of output 72 [2024-12-06 00:48:52,720 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:48:52,721 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2024-12-06 00:48:52,737 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 [2024-12-06 00:48:52,914 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 [2024-12-06 00:48:52,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:52,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:52,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:52,973 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 76 treesize of output 75 [2024-12-06 00:48:52,983 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:48:52,984 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2024-12-06 00:48:53,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:53,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:53,097 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-12-06 00:48:53,097 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 [2024-12-06 00:48:53,128 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-06 00:48:54,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:54,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:54,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:54,490 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 165 treesize of output 124 [2024-12-06 00:48:54,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:54,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2024-12-06 00:48:54,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:54,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2024-12-06 00:48:54,909 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 125 treesize of output 77 [2024-12-06 00:48:55,042 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:48:55,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:49:00,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:49:00,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 64 transitions. [2024-12-06 00:49:00,957 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2024-12-06 00:49:00,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:49:00,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:49:00,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:49:00,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:49:00,959 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:49:00,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:49:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:49:01,156 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:49:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:49:01,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 00:49:01,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:49:01,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:01,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:01,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:01,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:03,136 INFO L349 Elim1Store]: treesize reduction 244, result has 20.0 percent of original size [2024-12-06 00:49:03,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 186 treesize of output 389 [2024-12-06 00:49:03,232 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:03,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2024-12-06 00:49:03,408 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:03,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2024-12-06 00:49:03,583 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-12-06 00:49:03,584 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 61 treesize of output 57 [2024-12-06 00:49:06,806 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:06,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 94 [2024-12-06 00:49:07,386 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:07,387 INFO L224 Elim1Store]: Index analysis took 113 ms [2024-12-06 00:49:07,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 94 [2024-12-06 00:49:08,292 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:08,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 94 [2024-12-06 00:49:11,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:11,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:11,325 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:11,415 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:11,428 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:11,432 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:11,459 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:11,459 INFO L224 Elim1Store]: Index analysis took 145 ms [2024-12-06 00:49:11,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 391 treesize of output 367 [2024-12-06 00:49:12,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:12,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:12,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:12,309 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:12,403 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:12,415 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:12,415 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:12,441 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:12,445 INFO L224 Elim1Store]: Index analysis took 142 ms [2024-12-06 00:49:12,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 488 treesize of output 464 [2024-12-06 00:49:12,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:12,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:12,798 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:12,807 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:12,820 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:12,892 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:12,892 INFO L224 Elim1Store]: Index analysis took 114 ms [2024-12-06 00:49:12,894 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 79 treesize of output 48 [2024-12-06 00:49:12,913 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 15 treesize of output 9 [2024-12-06 00:49:13,040 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:49:13,042 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 346 [2024-12-06 00:49:14,427 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:49:14,427 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2024-12-06 00:49:14,535 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:49:14,537 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 464 [2024-12-06 00:49:16,422 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:49:16,424 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 761 [2024-12-06 00:49:18,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:18,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:18,043 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:18,052 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 117 treesize of output 70 [2024-12-06 00:49:18,105 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:18,494 INFO L349 Elim1Store]: treesize reduction 84, result has 1.2 percent of original size [2024-12-06 00:49:18,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 56 treesize of output 9 [2024-12-06 00:49:18,534 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:49:18,535 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 373 [2024-12-06 00:49:21,178 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:49:21,178 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 2 case distinctions, treesize of input 97 treesize of output 37 [2024-12-06 00:49:21,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:49:21,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 00:49:25,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:49:25,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 44 states and 86 transitions. [2024-12-06 00:49:25,581 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2024-12-06 00:49:25,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 00:49:25,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:49:25,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:49:25,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:49:25,584 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:49:25,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 00:49:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:49:26,239 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:49:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:49:26,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-12-06 00:49:26,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:49:26,635 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:26,805 INFO L349 Elim1Store]: treesize reduction 148, result has 16.4 percent of original size [2024-12-06 00:49:26,805 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 3 case distinctions, treesize of input 53 treesize of output 53 [2024-12-06 00:49:26,936 INFO L349 Elim1Store]: treesize reduction 24, result has 52.9 percent of original size [2024-12-06 00:49:26,936 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 53 treesize of output 61 [2024-12-06 00:49:27,086 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-12-06 00:49:27,087 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 [2024-12-06 00:49:27,365 INFO L349 Elim1Store]: treesize reduction 69, result has 40.0 percent of original size [2024-12-06 00:49:27,365 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 3 case distinctions, treesize of input 71 treesize of output 72 [2024-12-06 00:49:27,371 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:49:27,371 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2024-12-06 00:49:27,385 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 [2024-12-06 00:49:27,543 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 [2024-12-06 00:49:27,766 INFO L349 Elim1Store]: treesize reduction 69, result has 40.0 percent of original size [2024-12-06 00:49:27,766 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 71 treesize of output 72 [2024-12-06 00:49:27,942 INFO L349 Elim1Store]: treesize reduction 55, result has 24.7 percent of original size [2024-12-06 00:49:27,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 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 76 treesize of output 87 [2024-12-06 00:49:27,948 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:49:27,949 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2024-12-06 00:49:27,960 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 [2024-12-06 00:49:28,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 130 treesize of output 104 [2024-12-06 00:49:28,085 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 00:49:28,267 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 [2024-12-06 00:49:28,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:28,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:28,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:28,337 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 76 treesize of output 75 [2024-12-06 00:49:28,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:28,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:28,403 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-12-06 00:49:28,403 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 [2024-12-06 00:49:28,476 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 79 treesize of output 78 [2024-12-06 00:49:28,485 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:49:28,485 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2024-12-06 00:49:28,500 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:28,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 143 [2024-12-06 00:49:28,523 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-06 00:49:29,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:29,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:29,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:29,388 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 165 treesize of output 124 [2024-12-06 00:49:29,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:29,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2024-12-06 00:49:29,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:29,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2024-12-06 00:49:31,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:31,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:31,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:31,394 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 209 treesize of output 168 [2024-12-06 00:49:31,405 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 119 treesize of output 94 [2024-12-06 00:49:31,420 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 138 treesize of output 129 [2024-12-06 00:49:32,255 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:49:32,255 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 253 treesize of output 209 [2024-12-06 00:49:32,650 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:49:32,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 00:49:47,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:49:47,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 58 states and 141 transitions. [2024-12-06 00:49:47,676 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 141 transitions. [2024-12-06 00:49:47,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 00:49:47,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:49:47,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:49:47,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:49:47,679 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:49:47,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 00:49:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:49:47,969 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:49:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:49:48,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 00:49:48,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:49:48,143 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:48,149 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 42 treesize of output 40 [2024-12-06 00:49:48,165 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:48,302 INFO L349 Elim1Store]: treesize reduction 42, result has 34.4 percent of original size [2024-12-06 00:49:48,302 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 37 treesize of output 47 [2024-12-06 00:49:48,370 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-12-06 00:49:48,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 47 treesize of output 47 [2024-12-06 00:49:48,418 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:49:48,533 INFO L349 Elim1Store]: treesize reduction 42, result has 34.4 percent of original size [2024-12-06 00:49:48,534 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 42 treesize of output 52 [2024-12-06 00:49:48,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:49:48,566 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 77 treesize of output 73 [2024-12-06 00:49:48,682 INFO L349 Elim1Store]: treesize reduction 36, result has 25.0 percent of original size [2024-12-06 00:49:48,682 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 52 treesize of output 50 [2024-12-06 00:50:49,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:50:50,000 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:50:50,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 63 treesize of output 49 [2024-12-06 00:50:50,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:50:50,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2024-12-06 00:50:55,782 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 128 treesize of output 56 [2024-12-06 00:50:56,810 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:50:56,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-06 00:52:54,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:55:57,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:56:38,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:56:46,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:46,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 69 states and 222 transitions. [2024-12-06 00:56:46,148 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 222 transitions. [2024-12-06 00:56:46,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 00:56:46,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:46,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:56:46,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:56:46,154 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:56:46,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 00:56:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:47,360 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:56:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:48,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 93 conjuncts are in the unsatisfiable core [2024-12-06 00:56:48,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:56:48,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:56:48,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:56:48,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:56:48,043 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 76 treesize of output 75 [2024-12-06 00:56:48,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:56:48,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:56:48,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:56:48,073 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 79 treesize of output 78 [2024-12-06 00:56:48,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:56:48,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:56:48,188 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-12-06 00:56:48,189 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 [2024-12-06 00:56:48,222 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:56:48,222 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2024-12-06 00:56:48,236 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:56:48,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 143 [2024-12-06 00:56:48,255 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 40 treesize of output 1 [2024-12-06 00:56:48,337 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 [2024-12-06 00:56:48,373 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 71 treesize of output 70 [2024-12-06 00:56:48,379 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:56:48,379 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2024-12-06 00:56:48,396 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 [2024-12-06 00:56:48,441 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:56:48,671 INFO L349 Elim1Store]: treesize reduction 148, result has 16.4 percent of original size [2024-12-06 00:56:48,671 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 3 case distinctions, treesize of input 53 treesize of output 53 [2024-12-06 00:56:48,824 INFO L349 Elim1Store]: treesize reduction 24, result has 52.9 percent of original size [2024-12-06 00:56:48,824 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 53 treesize of output 61 [2024-12-06 00:56:49,028 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-12-06 00:56:49,028 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 [2024-12-06 00:56:49,077 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 [2024-12-06 00:56:49,122 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 71 treesize of output 70 [2024-12-06 00:56:49,152 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 74 treesize of output 73 [2024-12-06 00:56:49,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:56:49,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 33 [2024-12-06 00:56:49,188 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:56:49,188 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2024-12-06 00:56:49,213 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:56:49,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 17 [2024-12-06 00:56:49,256 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:56:49,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2024-12-06 00:56:49,290 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:56:49,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2024-12-06 00:56:49,325 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:56:49,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2024-12-06 00:56:50,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:56:50,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:56:50,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:56:50,480 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 165 treesize of output 124 [2024-12-06 00:56:50,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:56:50,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2024-12-06 00:56:50,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:56:50,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2024-12-06 00:56:55,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:56:55,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:56:55,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:56:55,497 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 209 treesize of output 168 [2024-12-06 00:56:55,509 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 114 treesize of output 105 [2024-12-06 00:56:55,518 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 182 treesize of output 157 [2024-12-06 00:57:14,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:57:14,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:57:14,573 INFO L349 Elim1Store]: treesize reduction 152, result has 28.0 percent of original size [2024-12-06 00:57:14,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 463 treesize of output 421 [2024-12-06 00:57:14,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 225 treesize of output 186 [2024-12-06 00:57:14,604 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 317 [2024-12-06 00:57:14,624 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:57:14,624 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2024-12-06 00:58:19,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:58:19,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:58:19,601 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:58:19,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 633 treesize of output 597 [2024-12-06 00:58:19,613 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 458 treesize of output 450 [2024-12-06 00:58:19,647 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:58:19,648 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2024-12-06 00:58:22,049 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:58:22,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-12-06 01:02:36,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:02:36,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 79 states and 294 transitions. [2024-12-06 01:02:36,086 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 294 transitions. [2024-12-06 01:02:36,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 01:02:36,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:02:36,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:02:36,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:02:36,089 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:02:36,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 01:02:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:02:37,022 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:02:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:02:37,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 80 conjuncts are in the unsatisfiable core [2024-12-06 01:02:37,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:02:38,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:02:38,001 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 01:02:38,302 INFO L349 Elim1Store]: treesize reduction 111, result has 24.5 percent of original size [2024-12-06 01:02:38,302 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 79 treesize of output 77 [2024-12-06 01:02:38,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:02:38,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:02:38,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:02:38,416 INFO L349 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2024-12-06 01:02:38,416 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 77 treesize of output 78 [2024-12-06 01:02:38,469 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-12-06 01:02:38,469 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 132 treesize of output 126 [2024-12-06 01:02:39,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:02:39,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:02:39,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:02:39,772 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 165 treesize of output 124 [2024-12-06 01:02:39,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:02:39,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2024-12-06 01:02:39,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:02:39,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2024-12-06 01:02:41,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:02:41,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:02:41,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:02:41,460 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 209 treesize of output 168 [2024-12-06 01:02:41,474 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 114 treesize of output 105 [2024-12-06 01:02:41,485 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 182 treesize of output 157 [2024-12-06 01:02:46,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:02:46,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:02:47,149 INFO L349 Elim1Store]: treesize reduction 152, result has 28.0 percent of original size [2024-12-06 01:02:47,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 463 treesize of output 421 [2024-12-06 01:02:47,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 225 treesize of output 186 [2024-12-06 01:02:47,179 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 317 [2024-12-06 01:02:47,303 INFO L349 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2024-12-06 01:02:47,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 302 treesize of output 264 [2024-12-06 01:02:47,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:02:47,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 157 [2024-12-06 01:02:51,159 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 01:02:51,160 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 589 treesize of output 545 [2024-12-06 01:02:51,220 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:02:51,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-06 01:02:51,395 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse31 (concat (_ bv0 32) (_ bv0 32)))) (let ((.cse33 (bvadd (_ bv1 64) .cse31))) (let ((.cse10 ((_ extract 63 32) .cse33)) (.cse11 ((_ extract 31 0) .cse33))) (let ((.cse30 (concat .cse10 .cse11))) (let ((.cse32 (bvadd (_ bv1 64) .cse30))) (let ((.cse5 ((_ extract 63 32) .cse32)) (.cse1 ((_ extract 31 0) .cse32))) (let ((.cse27 (concat .cse5 .cse1)) (.cse29 (bvadd .cse30 .cse31))) (let ((.cse13 ((_ extract 63 32) .cse29)) (.cse12 ((_ extract 31 0) .cse29)) (.cse28 (bvadd (_ bv1 64) .cse27))) (let ((.cse24 ((_ extract 63 32) .cse28)) (.cse23 ((_ extract 31 0) .cse28)) (.cse26 (bvadd (concat .cse13 .cse12) .cse27))) (let ((.cse9 ((_ extract 63 32) .cse26)) (.cse3 ((_ extract 31 0) .cse26)) (.cse19 (concat .cse24 .cse23)) (.cse17 (select |c_#memory_int| c_func_to_recursive_line_26_to_34_0_~y.base)) (.cse25 (select |c_#memory_int| c_func_to_recursive_line_26_to_34_0_~x.base))) (let ((.cse8 (select .cse25 (_ bv4 32))) (.cse0 (select .cse17 (_ bv0 32))) (.cse22 (bvadd (concat .cse9 .cse3) .cse19)) (.cse4 (select .cse25 (_ bv0 32))) (.cse6 (select .cse17 (_ bv4 32)))) (let ((.cse14 (= .cse24 .cse6)) (.cse15 (= ((_ extract 31 0) .cse22) .cse4)) (.cse2 (= (_ bv0 32) c_func_to_recursive_line_26_to_34_0_~y.offset)) (.cse20 (= .cse0 .cse23)) (.cse21 (= ((_ extract 63 32) .cse22) .cse8)) (.cse7 (= c_func_to_recursive_line_26_to_34_0_~x.offset (_ bv0 32)))) (and (not (and (= .cse0 .cse1) .cse2 (= .cse3 .cse4) (= .cse5 .cse6) .cse7 (= .cse8 .cse9))) (not (and (= .cse6 .cse10) (= .cse0 .cse11) .cse2 (= .cse12 .cse4) (not (= c_func_to_recursive_line_26_to_34_0_~x.base c_func_to_recursive_line_26_to_34_0_~y.base)) (= .cse13 .cse8) .cse7)) .cse14 .cse15 (not (and (exists ((v_DerPreprocessor_56 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_58 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_57 (Array (_ BitVec 32) (_ BitVec 32))) (func_to_recursive_line_26_to_34_0_~c.base (_ BitVec 32))) (let ((.cse18 (store (store (store |c_#memory_int| func_to_recursive_line_26_to_34_0_~c.base v_DerPreprocessor_56) c_func_to_recursive_line_26_to_34_0_~y.base v_DerPreprocessor_57) c_func_to_recursive_line_26_to_34_0_~x.base v_DerPreprocessor_58)) (.cse16 (bvmul (_ bv2 64) .cse19))) (and (not (= func_to_recursive_line_26_to_34_0_~c.base c_func_to_recursive_line_26_to_34_0_~y.base)) (= (select v_DerPreprocessor_58 (_ bv4 32)) ((_ extract 63 32) .cse16)) (= (store (store v_DerPreprocessor_58 (_ bv0 32) .cse0) (_ bv4 32) .cse6) .cse17) (= (select .cse18 c_func_to_recursive_line_26_to_34_0_~y.base) .cse17) (= (select |c_#memory_int| func_to_recursive_line_26_to_34_0_~c.base) (select .cse18 func_to_recursive_line_26_to_34_0_~c.base)) (= (select v_DerPreprocessor_58 (_ bv0 32)) ((_ extract 31 0) .cse16)) (not (= func_to_recursive_line_26_to_34_0_~c.base c_func_to_recursive_line_26_to_34_0_~x.base))))) .cse14 .cse15 .cse2 .cse20 .cse21 .cse7)) .cse2 .cse20 .cse21 .cse7))))))))))))) is different from false [2024-12-06 01:02:54,603 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse31 (concat (_ bv0 32) (_ bv0 32)))) (let ((.cse33 (bvadd (_ bv1 64) .cse31))) (let ((.cse10 ((_ extract 63 32) .cse33)) (.cse11 ((_ extract 31 0) .cse33))) (let ((.cse30 (concat .cse10 .cse11))) (let ((.cse32 (bvadd (_ bv1 64) .cse30))) (let ((.cse5 ((_ extract 63 32) .cse32)) (.cse1 ((_ extract 31 0) .cse32))) (let ((.cse27 (concat .cse5 .cse1)) (.cse29 (bvadd .cse30 .cse31))) (let ((.cse13 ((_ extract 63 32) .cse29)) (.cse12 ((_ extract 31 0) .cse29)) (.cse28 (bvadd (_ bv1 64) .cse27))) (let ((.cse24 ((_ extract 63 32) .cse28)) (.cse23 ((_ extract 31 0) .cse28)) (.cse26 (bvadd (concat .cse13 .cse12) .cse27))) (let ((.cse9 ((_ extract 63 32) .cse26)) (.cse3 ((_ extract 31 0) .cse26)) (.cse19 (concat .cse24 .cse23)) (.cse17 (select |c_#memory_int| c_func_to_recursive_line_26_to_34_0_~y.base)) (.cse25 (select |c_#memory_int| c_func_to_recursive_line_26_to_34_0_~x.base))) (let ((.cse8 (select .cse25 (_ bv4 32))) (.cse0 (select .cse17 (_ bv0 32))) (.cse22 (bvadd (concat .cse9 .cse3) .cse19)) (.cse4 (select .cse25 (_ bv0 32))) (.cse6 (select .cse17 (_ bv4 32)))) (let ((.cse14 (= .cse24 .cse6)) (.cse15 (= ((_ extract 31 0) .cse22) .cse4)) (.cse2 (= (_ bv0 32) c_func_to_recursive_line_26_to_34_0_~y.offset)) (.cse20 (= .cse0 .cse23)) (.cse21 (= ((_ extract 63 32) .cse22) .cse8)) (.cse7 (= c_func_to_recursive_line_26_to_34_0_~x.offset (_ bv0 32)))) (and (not (and (= .cse0 .cse1) .cse2 (= .cse3 .cse4) (= .cse5 .cse6) .cse7 (= .cse8 .cse9))) (not (and (= .cse6 .cse10) (= .cse0 .cse11) .cse2 (= .cse12 .cse4) (not (= c_func_to_recursive_line_26_to_34_0_~x.base c_func_to_recursive_line_26_to_34_0_~y.base)) (= .cse13 .cse8) .cse7)) .cse14 .cse15 (not (and (exists ((v_DerPreprocessor_56 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_58 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_57 (Array (_ BitVec 32) (_ BitVec 32))) (func_to_recursive_line_26_to_34_0_~c.base (_ BitVec 32))) (let ((.cse18 (store (store (store |c_#memory_int| func_to_recursive_line_26_to_34_0_~c.base v_DerPreprocessor_56) c_func_to_recursive_line_26_to_34_0_~y.base v_DerPreprocessor_57) c_func_to_recursive_line_26_to_34_0_~x.base v_DerPreprocessor_58)) (.cse16 (bvmul (_ bv2 64) .cse19))) (and (not (= func_to_recursive_line_26_to_34_0_~c.base c_func_to_recursive_line_26_to_34_0_~y.base)) (= (select v_DerPreprocessor_58 (_ bv4 32)) ((_ extract 63 32) .cse16)) (= (store (store v_DerPreprocessor_58 (_ bv0 32) .cse0) (_ bv4 32) .cse6) .cse17) (= (select .cse18 c_func_to_recursive_line_26_to_34_0_~y.base) .cse17) (= (select |c_#memory_int| func_to_recursive_line_26_to_34_0_~c.base) (select .cse18 func_to_recursive_line_26_to_34_0_~c.base)) (= (select v_DerPreprocessor_58 (_ bv0 32)) ((_ extract 31 0) .cse16)) (not (= func_to_recursive_line_26_to_34_0_~c.base c_func_to_recursive_line_26_to_34_0_~x.base))))) .cse14 .cse15 .cse2 .cse20 .cse21 .cse7)) .cse2 .cse20 .cse21 .cse7)))))))))))))) is different from true [2024-12-06 01:02:59,017 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse32 (concat (_ bv0 32) (_ bv0 32)))) (let ((.cse34 (bvadd (_ bv1 64) .cse32))) (let ((.cse19 ((_ extract 63 32) .cse34)) (.cse22 ((_ extract 31 0) .cse34))) (let ((.cse31 (concat .cse19 .cse22))) (let ((.cse33 (bvadd (_ bv1 64) .cse31))) (let ((.cse12 ((_ extract 63 32) .cse33)) (.cse17 ((_ extract 31 0) .cse33))) (let ((.cse28 (concat .cse12 .cse17)) (.cse30 (bvadd .cse31 .cse32))) (let ((.cse20 ((_ extract 63 32) .cse30)) (.cse21 ((_ extract 31 0) .cse30)) (.cse29 (bvadd (_ bv1 64) .cse28))) (let ((.cse25 ((_ extract 63 32) .cse29)) (.cse23 ((_ extract 31 0) .cse29)) (.cse27 (bvadd (concat .cse20 .cse21) .cse28))) (let ((.cse13 ((_ extract 63 32) .cse27)) (.cse15 ((_ extract 31 0) .cse27)) (.cse7 (concat .cse25 .cse23)) (.cse26 (select |c_#memory_int| |c_func_to_recursive_line_26_to_34_0_#in~x.base|)) (.cse4 (select |c_#memory_int| |c_func_to_recursive_line_26_to_34_0_#in~y.base|))) (let ((.cse5 (select .cse4 (_ bv0 32))) (.cse14 (select .cse26 (_ bv4 32))) (.cse24 (bvadd (concat .cse13 .cse15) .cse7)) (.cse16 (select .cse26 (_ bv0 32))) (.cse6 (select .cse4 (_ bv4 32)))) (let ((.cse0 (= .cse6 .cse25)) (.cse1 (= ((_ extract 31 0) .cse24) .cse16)) (.cse9 (= ((_ extract 63 32) .cse24) .cse14)) (.cse10 (= .cse23 .cse5)) (.cse8 (= (_ bv0 32) |c_func_to_recursive_line_26_to_34_0_#in~y.offset|)) (.cse18 (not (= |c_func_to_recursive_line_26_to_34_0_#in~y.base| |c_func_to_recursive_line_26_to_34_0_#in~x.base|))) (.cse11 (= (_ bv0 32) |c_func_to_recursive_line_26_to_34_0_#in~x.offset|))) (and .cse0 .cse1 (not (and .cse0 .cse1 (exists ((v_DerPreprocessor_56 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_58 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_57 (Array (_ BitVec 32) (_ BitVec 32))) (func_to_recursive_line_26_to_34_0_~c.base (_ BitVec 32))) (let ((.cse3 (store (store (store |c_#memory_int| func_to_recursive_line_26_to_34_0_~c.base v_DerPreprocessor_56) |c_func_to_recursive_line_26_to_34_0_#in~y.base| v_DerPreprocessor_57) |c_func_to_recursive_line_26_to_34_0_#in~x.base| v_DerPreprocessor_58)) (.cse2 (bvmul (_ bv2 64) .cse7))) (and (not (= func_to_recursive_line_26_to_34_0_~c.base |c_func_to_recursive_line_26_to_34_0_#in~x.base|)) (= (select v_DerPreprocessor_58 (_ bv4 32)) ((_ extract 63 32) .cse2)) (= (select .cse3 func_to_recursive_line_26_to_34_0_~c.base) (select |c_#memory_int| func_to_recursive_line_26_to_34_0_~c.base)) (= (select .cse3 |c_func_to_recursive_line_26_to_34_0_#in~y.base|) .cse4) (not (= func_to_recursive_line_26_to_34_0_~c.base |c_func_to_recursive_line_26_to_34_0_#in~y.base|)) (= (select v_DerPreprocessor_58 (_ bv0 32)) ((_ extract 31 0) .cse2)) (= .cse4 (store (store v_DerPreprocessor_58 (_ bv0 32) .cse5) (_ bv4 32) .cse6))))) .cse8 .cse9 .cse10 .cse11)) .cse8 .cse9 .cse10 .cse11 (not (and (= .cse6 .cse12) .cse8 (= .cse13 .cse14) (= .cse15 .cse16) .cse11 (= .cse5 .cse17))) (not (and (= (_ bv0 32) .cse5) (= (_ bv0 32) .cse16) .cse8 .cse18 (= .cse6 (_ bv0 32)) .cse11 (= (_ bv0 32) .cse14))) (not (and .cse8 .cse18 (= .cse6 .cse19) (= .cse20 .cse14) (= .cse21 .cse16) (= .cse5 .cse22) .cse11))))))))))))))) is different from false [2024-12-06 01:03:02,485 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse32 (concat (_ bv0 32) (_ bv0 32)))) (let ((.cse34 (bvadd (_ bv1 64) .cse32))) (let ((.cse19 ((_ extract 63 32) .cse34)) (.cse22 ((_ extract 31 0) .cse34))) (let ((.cse31 (concat .cse19 .cse22))) (let ((.cse33 (bvadd (_ bv1 64) .cse31))) (let ((.cse12 ((_ extract 63 32) .cse33)) (.cse17 ((_ extract 31 0) .cse33))) (let ((.cse28 (concat .cse12 .cse17)) (.cse30 (bvadd .cse31 .cse32))) (let ((.cse20 ((_ extract 63 32) .cse30)) (.cse21 ((_ extract 31 0) .cse30)) (.cse29 (bvadd (_ bv1 64) .cse28))) (let ((.cse25 ((_ extract 63 32) .cse29)) (.cse23 ((_ extract 31 0) .cse29)) (.cse27 (bvadd (concat .cse20 .cse21) .cse28))) (let ((.cse13 ((_ extract 63 32) .cse27)) (.cse15 ((_ extract 31 0) .cse27)) (.cse7 (concat .cse25 .cse23)) (.cse26 (select |c_#memory_int| |c_func_to_recursive_line_26_to_34_0_#in~x.base|)) (.cse4 (select |c_#memory_int| |c_func_to_recursive_line_26_to_34_0_#in~y.base|))) (let ((.cse5 (select .cse4 (_ bv0 32))) (.cse14 (select .cse26 (_ bv4 32))) (.cse24 (bvadd (concat .cse13 .cse15) .cse7)) (.cse16 (select .cse26 (_ bv0 32))) (.cse6 (select .cse4 (_ bv4 32)))) (let ((.cse0 (= .cse6 .cse25)) (.cse1 (= ((_ extract 31 0) .cse24) .cse16)) (.cse9 (= ((_ extract 63 32) .cse24) .cse14)) (.cse10 (= .cse23 .cse5)) (.cse8 (= (_ bv0 32) |c_func_to_recursive_line_26_to_34_0_#in~y.offset|)) (.cse18 (not (= |c_func_to_recursive_line_26_to_34_0_#in~y.base| |c_func_to_recursive_line_26_to_34_0_#in~x.base|))) (.cse11 (= (_ bv0 32) |c_func_to_recursive_line_26_to_34_0_#in~x.offset|))) (and .cse0 .cse1 (not (and .cse0 .cse1 (exists ((v_DerPreprocessor_56 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_58 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_57 (Array (_ BitVec 32) (_ BitVec 32))) (func_to_recursive_line_26_to_34_0_~c.base (_ BitVec 32))) (let ((.cse3 (store (store (store |c_#memory_int| func_to_recursive_line_26_to_34_0_~c.base v_DerPreprocessor_56) |c_func_to_recursive_line_26_to_34_0_#in~y.base| v_DerPreprocessor_57) |c_func_to_recursive_line_26_to_34_0_#in~x.base| v_DerPreprocessor_58)) (.cse2 (bvmul (_ bv2 64) .cse7))) (and (not (= func_to_recursive_line_26_to_34_0_~c.base |c_func_to_recursive_line_26_to_34_0_#in~x.base|)) (= (select v_DerPreprocessor_58 (_ bv4 32)) ((_ extract 63 32) .cse2)) (= (select .cse3 func_to_recursive_line_26_to_34_0_~c.base) (select |c_#memory_int| func_to_recursive_line_26_to_34_0_~c.base)) (= (select .cse3 |c_func_to_recursive_line_26_to_34_0_#in~y.base|) .cse4) (not (= func_to_recursive_line_26_to_34_0_~c.base |c_func_to_recursive_line_26_to_34_0_#in~y.base|)) (= (select v_DerPreprocessor_58 (_ bv0 32)) ((_ extract 31 0) .cse2)) (= .cse4 (store (store v_DerPreprocessor_58 (_ bv0 32) .cse5) (_ bv4 32) .cse6))))) .cse8 .cse9 .cse10 .cse11)) .cse8 .cse9 .cse10 .cse11 (not (and (= .cse6 .cse12) .cse8 (= .cse13 .cse14) (= .cse15 .cse16) .cse11 (= .cse5 .cse17))) (not (and (= (_ bv0 32) .cse5) (= (_ bv0 32) .cse16) .cse8 .cse18 (= .cse6 (_ bv0 32)) .cse11 (= (_ bv0 32) .cse14))) (not (and .cse8 .cse18 (= .cse6 .cse19) (= .cse20 .cse14) (= .cse21 .cse16) (= .cse5 .cse22) .cse11)))))))))))))))) is different from true [2024-12-06 01:03:04,636 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse32 (concat (_ bv0 32) (_ bv0 32)))) (let ((.cse34 (bvadd (_ bv1 64) .cse32))) (let ((.cse11 ((_ extract 63 32) .cse34)) (.cse12 ((_ extract 31 0) .cse34))) (let ((.cse31 (concat .cse11 .cse12))) (let ((.cse33 (bvadd (_ bv1 64) .cse31))) (let ((.cse9 ((_ extract 63 32) .cse33)) (.cse7 ((_ extract 31 0) .cse33))) (let ((.cse28 (concat .cse9 .cse7)) (.cse30 (bvadd .cse31 .cse32))) (let ((.cse14 ((_ extract 63 32) .cse30)) (.cse13 ((_ extract 31 0) .cse30)) (.cse29 (bvadd (_ bv1 64) .cse28))) (let ((.cse25 ((_ extract 63 32) .cse29)) (.cse24 ((_ extract 31 0) .cse29)) (.cse27 (bvadd (concat .cse14 .cse13) .cse28))) (let ((.cse10 ((_ extract 63 32) .cse27)) (.cse8 ((_ extract 31 0) .cse27)) (.cse20 (concat .cse25 .cse24)) (.cse18 (select |c_#memory_int| c_func_to_recursive_line_26_to_34_0_~y.base)) (.cse26 (select |c_#memory_int| c_func_to_recursive_line_26_to_34_0_~x.base))) (let ((.cse1 (select .cse26 (_ bv4 32))) (.cse3 (select .cse18 (_ bv0 32))) (.cse23 (bvadd (concat .cse10 .cse8) .cse20)) (.cse2 (select .cse26 (_ bv0 32))) (.cse0 (select .cse18 (_ bv4 32)))) (let ((.cse5 (not (= c_func_to_recursive_line_26_to_34_0_~x.base c_func_to_recursive_line_26_to_34_0_~y.base))) (.cse15 (= .cse25 .cse0)) (.cse16 (= ((_ extract 31 0) .cse23) .cse2)) (.cse4 (= (_ bv0 32) c_func_to_recursive_line_26_to_34_0_~y.offset)) (.cse21 (= .cse3 .cse24)) (.cse22 (= ((_ extract 63 32) .cse23) .cse1)) (.cse6 (= c_func_to_recursive_line_26_to_34_0_~x.offset (_ bv0 32)))) (and (not (and (= (_ bv0 32) .cse0) (= (_ bv0 32) .cse1) (= (_ bv0 32) .cse2) (= .cse3 (_ bv0 32)) .cse4 .cse5 .cse6)) (not (and (= .cse3 .cse7) .cse4 (= .cse8 .cse2) (= .cse9 .cse0) .cse6 (= .cse1 .cse10))) (not (and (= .cse0 .cse11) (= .cse3 .cse12) .cse4 (= .cse13 .cse2) .cse5 (= .cse14 .cse1) .cse6)) .cse15 .cse16 (not (and (exists ((v_DerPreprocessor_56 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_58 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_57 (Array (_ BitVec 32) (_ BitVec 32))) (func_to_recursive_line_26_to_34_0_~c.base (_ BitVec 32))) (let ((.cse19 (store (store (store |c_#memory_int| func_to_recursive_line_26_to_34_0_~c.base v_DerPreprocessor_56) c_func_to_recursive_line_26_to_34_0_~y.base v_DerPreprocessor_57) c_func_to_recursive_line_26_to_34_0_~x.base v_DerPreprocessor_58)) (.cse17 (bvmul (_ bv2 64) .cse20))) (and (not (= func_to_recursive_line_26_to_34_0_~c.base c_func_to_recursive_line_26_to_34_0_~y.base)) (= (select v_DerPreprocessor_58 (_ bv4 32)) ((_ extract 63 32) .cse17)) (= (store (store v_DerPreprocessor_58 (_ bv0 32) .cse3) (_ bv4 32) .cse0) .cse18) (= (select .cse19 c_func_to_recursive_line_26_to_34_0_~y.base) .cse18) (= (select |c_#memory_int| func_to_recursive_line_26_to_34_0_~c.base) (select .cse19 func_to_recursive_line_26_to_34_0_~c.base)) (= (select v_DerPreprocessor_58 (_ bv0 32)) ((_ extract 31 0) .cse17)) (not (= func_to_recursive_line_26_to_34_0_~c.base c_func_to_recursive_line_26_to_34_0_~x.base))))) .cse15 .cse16 .cse4 .cse21 .cse22 .cse6)) .cse4 .cse21 .cse22 .cse6))))))))))))) is different from false [2024-12-06 01:03:05,980 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse32 (concat (_ bv0 32) (_ bv0 32)))) (let ((.cse34 (bvadd (_ bv1 64) .cse32))) (let ((.cse11 ((_ extract 63 32) .cse34)) (.cse12 ((_ extract 31 0) .cse34))) (let ((.cse31 (concat .cse11 .cse12))) (let ((.cse33 (bvadd (_ bv1 64) .cse31))) (let ((.cse9 ((_ extract 63 32) .cse33)) (.cse7 ((_ extract 31 0) .cse33))) (let ((.cse28 (concat .cse9 .cse7)) (.cse30 (bvadd .cse31 .cse32))) (let ((.cse14 ((_ extract 63 32) .cse30)) (.cse13 ((_ extract 31 0) .cse30)) (.cse29 (bvadd (_ bv1 64) .cse28))) (let ((.cse25 ((_ extract 63 32) .cse29)) (.cse24 ((_ extract 31 0) .cse29)) (.cse27 (bvadd (concat .cse14 .cse13) .cse28))) (let ((.cse10 ((_ extract 63 32) .cse27)) (.cse8 ((_ extract 31 0) .cse27)) (.cse20 (concat .cse25 .cse24)) (.cse18 (select |c_#memory_int| c_func_to_recursive_line_26_to_34_0_~y.base)) (.cse26 (select |c_#memory_int| c_func_to_recursive_line_26_to_34_0_~x.base))) (let ((.cse1 (select .cse26 (_ bv4 32))) (.cse3 (select .cse18 (_ bv0 32))) (.cse23 (bvadd (concat .cse10 .cse8) .cse20)) (.cse2 (select .cse26 (_ bv0 32))) (.cse0 (select .cse18 (_ bv4 32)))) (let ((.cse5 (not (= c_func_to_recursive_line_26_to_34_0_~x.base c_func_to_recursive_line_26_to_34_0_~y.base))) (.cse15 (= .cse25 .cse0)) (.cse16 (= ((_ extract 31 0) .cse23) .cse2)) (.cse4 (= (_ bv0 32) c_func_to_recursive_line_26_to_34_0_~y.offset)) (.cse21 (= .cse3 .cse24)) (.cse22 (= ((_ extract 63 32) .cse23) .cse1)) (.cse6 (= c_func_to_recursive_line_26_to_34_0_~x.offset (_ bv0 32)))) (and (not (and (= (_ bv0 32) .cse0) (= (_ bv0 32) .cse1) (= (_ bv0 32) .cse2) (= .cse3 (_ bv0 32)) .cse4 .cse5 .cse6)) (not (and (= .cse3 .cse7) .cse4 (= .cse8 .cse2) (= .cse9 .cse0) .cse6 (= .cse1 .cse10))) (not (and (= .cse0 .cse11) (= .cse3 .cse12) .cse4 (= .cse13 .cse2) .cse5 (= .cse14 .cse1) .cse6)) .cse15 .cse16 (not (and (exists ((v_DerPreprocessor_56 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_58 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_57 (Array (_ BitVec 32) (_ BitVec 32))) (func_to_recursive_line_26_to_34_0_~c.base (_ BitVec 32))) (let ((.cse19 (store (store (store |c_#memory_int| func_to_recursive_line_26_to_34_0_~c.base v_DerPreprocessor_56) c_func_to_recursive_line_26_to_34_0_~y.base v_DerPreprocessor_57) c_func_to_recursive_line_26_to_34_0_~x.base v_DerPreprocessor_58)) (.cse17 (bvmul (_ bv2 64) .cse20))) (and (not (= func_to_recursive_line_26_to_34_0_~c.base c_func_to_recursive_line_26_to_34_0_~y.base)) (= (select v_DerPreprocessor_58 (_ bv4 32)) ((_ extract 63 32) .cse17)) (= (store (store v_DerPreprocessor_58 (_ bv0 32) .cse3) (_ bv4 32) .cse0) .cse18) (= (select .cse19 c_func_to_recursive_line_26_to_34_0_~y.base) .cse18) (= (select |c_#memory_int| func_to_recursive_line_26_to_34_0_~c.base) (select .cse19 func_to_recursive_line_26_to_34_0_~c.base)) (= (select v_DerPreprocessor_58 (_ bv0 32)) ((_ extract 31 0) .cse17)) (not (= func_to_recursive_line_26_to_34_0_~c.base c_func_to_recursive_line_26_to_34_0_~x.base))))) .cse15 .cse16 .cse4 .cse21 .cse22 .cse6)) .cse4 .cse21 .cse22 .cse6)))))))))))))) is different from true [2024-12-06 01:03:07,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:03:07,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 82 states and 324 transitions. [2024-12-06 01:03:07,988 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 324 transitions. [2024-12-06 01:03:07,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 01:03:07,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:03:07,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:03:07,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:03:07,991 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:03:07,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 01:03:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:08,951 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:03:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:09,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-12-06 01:03:09,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:03:09,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:03:09,511 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 01:03:09,830 INFO L349 Elim1Store]: treesize reduction 111, result has 24.5 percent of original size [2024-12-06 01:03:09,830 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 79 treesize of output 77 [2024-12-06 01:03:09,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:03:09,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:03:09,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:03:09,955 INFO L349 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2024-12-06 01:03:09,955 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 77 treesize of output 78 [2024-12-06 01:03:10,050 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-12-06 01:03:10,051 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 89 treesize of output 85 [2024-12-06 01:03:11,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:03:11,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:03:11,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:03:11,373 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 165 treesize of output 124 [2024-12-06 01:03:11,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:03:11,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2024-12-06 01:03:11,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:03:11,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2024-12-06 01:03:13,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:03:13,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:03:13,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:03:13,126 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 209 treesize of output 168 [2024-12-06 01:03:13,138 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 119 treesize of output 94 [2024-12-06 01:03:13,169 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 138 treesize of output 129 [2024-12-06 01:03:17,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:03:17,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:03:18,167 INFO L349 Elim1Store]: treesize reduction 152, result has 28.0 percent of original size [2024-12-06 01:03:18,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 463 treesize of output 421 [2024-12-06 01:03:18,189 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 222 treesize of output 213 [2024-12-06 01:03:18,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 504 treesize of output 465 [2024-12-06 01:03:18,295 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 302 treesize of output 264 [2024-12-06 01:03:18,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:03:18,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 157 [2024-12-06 01:03:18,592 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 01:03:18,592 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 589 treesize of output 545 [2024-12-06 01:03:18,661 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:03:18,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a239c4c4-24a6-4deb-921b-db4e8d0fa96a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0