./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br-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_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/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_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/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_a437dc1d-b01e-4059-b092-c63200376d55/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 96f1211cbeeae798f0ae4041c6e80d5023e7b1c38257b583d7afbb4e6848597b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:32:49,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:32:49,618 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:32:49,621 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:32:49,622 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:32:49,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:32:49,641 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:32:49,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:32:49,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:32:49,642 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:32:49,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:32:49,642 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:32:49,642 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:32:49,643 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:32:49,643 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:32:49,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:32:49,643 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:32:49,643 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:32:49,643 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:32:49,643 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:32:49,643 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:32:49,643 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:32:49,643 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:32:49,643 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:32:49,643 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:32:49,644 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:32:49,644 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:32:49,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:32:49,644 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:32:49,644 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:32:49,644 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:32:49,644 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:32:49,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:32:49,644 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_a437dc1d-b01e-4059-b092-c63200376d55/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 -> 96f1211cbeeae798f0ae4041c6e80d5023e7b1c38257b583d7afbb4e6848597b [2024-12-06 02:32:49,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:32:49,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:32:49,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:32:49,859 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:32:49,860 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:32:49,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br-ll.c [2024-12-06 02:32:52,467 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/data/b5d44c6ee/e1a87b8a6a0e405babca78b612c49c93/FLAGb5cd0019e [2024-12-06 02:32:52,636 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:32:52,637 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br-ll.c [2024-12-06 02:32:52,646 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/data/b5d44c6ee/e1a87b8a6a0e405babca78b612c49c93/FLAGb5cd0019e [2024-12-06 02:32:53,033 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/data/b5d44c6ee/e1a87b8a6a0e405babca78b612c49c93 [2024-12-06 02:32:53,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:32:53,037 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:32:53,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:32:53,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:32:53,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:32:53,041 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:32:53" (1/1) ... [2024-12-06 02:32:53,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18e5f2ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:53, skipping insertion in model container [2024-12-06 02:32:53,042 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:32:53" (1/1) ... [2024-12-06 02:32:53,053 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:32:53,155 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_a437dc1d-b01e-4059-b092-c63200376d55/sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br-ll.c[1060,1073] [2024-12-06 02:32:53,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:32:53,184 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:32:53,192 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_a437dc1d-b01e-4059-b092-c63200376d55/sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br-ll.c[1060,1073] [2024-12-06 02:32:53,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:32:53,216 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:32:53,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:53 WrapperNode [2024-12-06 02:32:53,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:32:53,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:32:53,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:32:53,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:32:53,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:53" (1/1) ... [2024-12-06 02:32:53,229 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:53" (1/1) ... [2024-12-06 02:32:53,244 INFO L138 Inliner]: procedures = 16, calls = 86, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2024-12-06 02:32:53,245 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:32:53,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:32:53,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:32:53,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:32:53,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:53" (1/1) ... [2024-12-06 02:32:53,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:53" (1/1) ... [2024-12-06 02:32:53,253 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:53" (1/1) ... [2024-12-06 02:32:53,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:53" (1/1) ... [2024-12-06 02:32:53,259 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:53" (1/1) ... [2024-12-06 02:32:53,261 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:53" (1/1) ... [2024-12-06 02:32:53,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:53" (1/1) ... [2024-12-06 02:32:53,265 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:53" (1/1) ... [2024-12-06 02:32:53,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:53" (1/1) ... [2024-12-06 02:32:53,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:32:53,269 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:32:53,269 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:32:53,269 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:32:53,270 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:53" (1/1) ... [2024-12-06 02:32:53,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:32:53,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:32:53,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:32:53,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:32:53,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:32:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:32:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:32:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 02:32:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:32:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:32:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 02:32:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_0_to_51_0 [2024-12-06 02:32:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_0_to_51_0 [2024-12-06 02:32:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:32:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:32:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:32:53,384 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:32:53,385 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:32:53,602 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-06 02:32:53,603 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:32:53,720 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:32:53,721 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:32:53,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:32:53 BoogieIcfgContainer [2024-12-06 02:32:53,721 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:32:53,722 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:32:53,722 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:32:53,732 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:32:53,732 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:32:53" (1/1) ... [2024-12-06 02:32:53,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:32:53,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:32:53,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-12-06 02:32:53,780 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-12-06 02:32:53,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:32:53,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:32:53,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:32:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:32:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:32:54,061 WARN L254 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-12-06 02:32:54,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:32:54,165 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2024-12-06 02:32:54,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 86 treesize of output 76 [2024-12-06 02:32:54,221 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-12-06 02:32:54,230 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-12-06 02:32:54,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:32:54,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:32:54,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 16 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 747 treesize of output 37 [2024-12-06 02:32:54,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 25 [2024-12-06 02:32:54,764 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 02:32:55,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:32:55,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 36 transitions. [2024-12-06 02:32:55,110 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-12-06 02:32:55,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 02:32:55,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:32:55,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:32:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:32:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:32:57,596 WARN L254 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 191 conjuncts are in the unsatisfiable core [2024-12-06 02:32:57,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:32:57,663 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2024-12-06 02:32:57,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 86 treesize of output 76 [2024-12-06 02:32:57,718 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-12-06 02:32:57,725 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-12-06 02:32:57,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:32:57,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:32:57,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:32:57,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 17 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 747 treesize of output 37 [2024-12-06 02:33:03,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:03,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:03,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:03,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:04,503 INFO L349 Elim1Store]: treesize reduction 128, result has 22.4 percent of original size [2024-12-06 02:33:04,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 14 new quantified variables, introduced 10 case distinctions, treesize of input 1504 treesize of output 1552 [2024-12-06 02:33:04,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:04,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:05,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:05,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:05,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:05,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:05,238 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:33:05,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:05,334 INFO L224 Elim1Store]: Index analysis took 398 ms [2024-12-06 02:33:05,518 INFO L349 Elim1Store]: treesize reduction 77, result has 1.3 percent of original size [2024-12-06 02:33:05,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 1021 treesize of output 1335 [2024-12-06 02:33:05,843 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:33:05,890 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1334 [2024-12-06 02:33:05,972 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-12-06 02:33:06,085 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:33:06,132 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2077 [2024-12-06 02:33:06,291 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 15 treesize of output 13 [2024-12-06 02:33:10,602 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:33:10,604 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 484 [2024-12-06 02:33:10,611 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-12-06 02:33:11,183 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:33:11,185 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 484 [2024-12-06 02:33:11,199 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-12-06 02:33:11,461 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:33:11,463 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 484 [2024-12-06 02:33:11,470 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-12-06 02:33:11,756 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:33:11,759 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 505 [2024-12-06 02:33:11,956 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:33:11,958 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 523 [2024-12-06 02:33:12,287 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:33:12,290 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 523 [2024-12-06 02:33:12,577 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:33:12,581 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 523 [2024-12-06 02:33:12,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:12,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:12,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:12,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:12,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:12,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:12,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:12,849 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:33:12,855 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:33:12,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:12,870 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 02:33:12,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:12,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:12,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 1172 treesize of output 1250 [2024-12-06 02:33:13,015 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 25 treesize of output 23 [2024-12-06 02:33:13,030 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 33 treesize of output 31 [2024-12-06 02:33:13,086 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 1008 treesize of output 1006 [2024-12-06 02:33:13,106 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 1006 treesize of output 1004 [2024-12-06 02:33:13,128 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 1004 treesize of output 1002 [2024-12-06 02:33:13,151 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 1002 treesize of output 1000 [2024-12-06 02:33:13,174 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 1000 treesize of output 998 [2024-12-06 02:33:13,197 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 998 treesize of output 996 [2024-12-06 02:33:13,218 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 996 treesize of output 994 [2024-12-06 02:33:13,238 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 994 treesize of output 992 [2024-12-06 02:33:13,260 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 992 treesize of output 990 [2024-12-06 02:33:13,281 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 990 treesize of output 988 [2024-12-06 02:33:13,287 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 02:33:13,305 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 988 treesize of output 986 [2024-12-06 02:33:13,328 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 986 treesize of output 984 [2024-12-06 02:33:13,358 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 984 treesize of output 982 [2024-12-06 02:33:13,381 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 982 treesize of output 980 [2024-12-06 02:33:13,401 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 980 treesize of output 978 [2024-12-06 02:33:13,805 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:33:13,806 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2024-12-06 02:33:13,917 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:33:13,918 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 282 [2024-12-06 02:33:14,086 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:33:14,087 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2024-12-06 02:33:14,253 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:33:14,254 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2024-12-06 02:33:14,368 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 9 treesize of output 7 [2024-12-06 02:33:15,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:15,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:15,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:15,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:15,282 INFO L349 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2024-12-06 02:33:15,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 205 treesize of output 171 [2024-12-06 02:33:15,299 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 9 treesize of output 7 [2024-12-06 02:33:15,309 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 43 treesize of output 35 [2024-12-06 02:33:15,316 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 36 treesize of output 30 [2024-12-06 02:33:15,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:15,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:15,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:15,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:15,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:15,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:15,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:15,506 INFO L349 Elim1Store]: treesize reduction 62, result has 15.1 percent of original size [2024-12-06 02:33:15,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 657 treesize of output 688 [2024-12-06 02:33:15,543 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 230 treesize of output 226 [2024-12-06 02:33:15,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 239 treesize of output 210 [2024-12-06 02:33:15,582 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 200 treesize of output 198 [2024-12-06 02:33:15,597 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:33:15,597 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 275 [2024-12-06 02:33:16,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:16,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:16,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:16,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 164 [2024-12-06 02:33:16,284 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 25 treesize of output 21 [2024-12-06 02:33:16,630 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 9 treesize of output 7 [2024-12-06 02:33:16,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:16,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:16,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:16,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:16,682 INFO L349 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2024-12-06 02:33:16,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 232 treesize of output 196 [2024-12-06 02:33:16,704 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 9 treesize of output 7 [2024-12-06 02:33:16,725 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 51 treesize of output 41 [2024-12-06 02:33:16,736 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 44 treesize of output 36 [2024-12-06 02:33:17,054 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 13 treesize of output 11 [2024-12-06 02:33:17,143 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 13 treesize of output 11 [2024-12-06 02:33:17,212 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 13 treesize of output 11 [2024-12-06 02:33:17,285 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 13 treesize of output 11 [2024-12-06 02:33:17,678 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 15 treesize of output 13 [2024-12-06 02:33:17,713 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 02:33:17,768 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:33:17,770 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 524 [2024-12-06 02:33:17,952 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:33:17,955 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2024-12-06 02:33:18,113 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:33:18,115 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 272 [2024-12-06 02:33:42,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:42,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:42,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:42,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:42,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:42,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:42,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:42,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:42,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:42,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:42,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:42,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:42,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:33:42,776 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-06 02:33:42,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 873 treesize of output 743 [2024-12-06 02:33:42,799 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 496 treesize of output 480 [2024-12-06 02:33:42,808 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 486 treesize of output 474 [2024-12-06 02:33:42,820 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 476 treesize of output 440 [2024-12-06 02:33:42,832 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 436 treesize of output 434 [2024-12-06 02:33:42,839 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 440 treesize of output 416 [2024-12-06 02:33:42,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 412 treesize of output 413 [2024-12-06 02:33:42,872 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 02:33:42,880 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 405 treesize of output 403 [2024-12-06 02:33:42,891 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 403 treesize of output 401 [2024-12-06 02:33:42,904 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 401 treesize of output 399 [2024-12-06 02:33:42,914 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 399 treesize of output 397 [2024-12-06 02:33:42,926 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 397 treesize of output 379 [2024-12-06 02:33:42,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 379 treesize of output 380 [2024-12-06 02:33:42,947 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 374 treesize of output 364 [2024-12-06 02:33:42,967 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 364 treesize of output 362 [2024-12-06 02:33:42,989 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 362 treesize of output 348 [2024-12-06 02:33:43,001 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 348 treesize of output 346 [2024-12-06 02:33:43,005 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 02:33:43,015 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 346 treesize of output 344 [2024-12-06 02:33:43,033 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 344 treesize of output 342 [2024-12-06 02:33:43,061 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 342 treesize of output 340 [2024-12-06 02:33:43,078 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 340 treesize of output 338 [2024-12-06 02:33:43,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-12-06 02:33:43,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-12-06 02:33:43,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-12-06 02:33:43,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-12-06 02:33:43,484 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 235 treesize of output 213 [2024-12-06 02:33:43,620 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 215 treesize of output 197 [2024-12-06 02:33:43,749 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 199 treesize of output 187 [2024-12-06 02:33:44,236 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 02:35:02,864 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-12-06 02:35:02,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-12-06 02:35:02,865 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:86) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:912) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:310) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeChecker.negatePredicate(CodeChecker.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.isSatEdge(UltimateChecker.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.connectOutgoingIfSat(UltimateChecker.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.splitNode(UltimateChecker.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.codeCheck(UltimateChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:469) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 30 more [2024-12-06 02:35:02,869 INFO L158 Benchmark]: Toolchain (without parser) took 129832.47ms. Allocated memory was 142.6MB in the beginning and 528.5MB in the end (delta: 385.9MB). Free memory was 118.3MB in the beginning and 276.4MB in the end (delta: -158.2MB). Peak memory consumption was 226.6MB. Max. memory is 16.1GB. [2024-12-06 02:35:02,869 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:35:02,869 INFO L158 Benchmark]: CACSL2BoogieTranslator took 179.72ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 106.2MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:35:02,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.11ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 104.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:35:02,870 INFO L158 Benchmark]: Boogie Preprocessor took 22.80ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 103.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:35:02,870 INFO L158 Benchmark]: RCFGBuilder took 452.49ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 70.7MB in the end (delta: 32.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 02:35:02,870 INFO L158 Benchmark]: CodeCheck took 129146.76ms. Allocated memory was 142.6MB in the beginning and 528.5MB in the end (delta: 385.9MB). Free memory was 70.7MB in the beginning and 276.4MB in the end (delta: -205.7MB). Peak memory consumption was 184.7MB. Max. memory is 16.1GB. [2024-12-06 02:35:02,871 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 179.72ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 106.2MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.11ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 104.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.80ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 103.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 452.49ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 70.7MB in the end (delta: 32.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 129146.76ms. Allocated memory was 142.6MB in the beginning and 528.5MB in the end (delta: 385.9MB). Free memory was 70.7MB in the beginning and 276.4MB in the end (delta: -205.7MB). Peak memory consumption was 184.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. 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_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/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_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/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_a437dc1d-b01e-4059-b092-c63200376d55/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 96f1211cbeeae798f0ae4041c6e80d5023e7b1c38257b583d7afbb4e6848597b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:35:04,525 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:35:04,606 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 02:35:04,634 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:35:04,635 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:35:04,635 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:35:04,636 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:35:04,636 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:35:04,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:35:04,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:35:04,636 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:35:04,636 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:35:04,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:35:04,637 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:35:04,637 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:35:04,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:35:04,637 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:35:04,637 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:35:04,637 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:35:04,638 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:35:04,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:35:04,638 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:35:04,638 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:35:04,638 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:35:04,638 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:35:04,638 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:35:04,638 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:35:04,639 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:35:04,639 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:35:04,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:35:04,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:35:04,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:35:04,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:35:04,639 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:35:04,640 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:35:04,640 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:35:04,640 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_a437dc1d-b01e-4059-b092-c63200376d55/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 -> 96f1211cbeeae798f0ae4041c6e80d5023e7b1c38257b583d7afbb4e6848597b [2024-12-06 02:35:04,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:35:04,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:35:04,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:35:04,896 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:35:04,896 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:35:04,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br-ll.c [2024-12-06 02:35:07,663 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/data/8bde7be2f/8d72484e0bc547e08505649456e53cfc/FLAG098a52e55 [2024-12-06 02:35:07,874 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:35:07,875 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br-ll.c [2024-12-06 02:35:07,886 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/data/8bde7be2f/8d72484e0bc547e08505649456e53cfc/FLAG098a52e55 [2024-12-06 02:35:08,237 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/data/8bde7be2f/8d72484e0bc547e08505649456e53cfc [2024-12-06 02:35:08,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:35:08,240 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:35:08,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:35:08,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:35:08,244 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:35:08,244 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:35:08" (1/1) ... [2024-12-06 02:35:08,245 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d92c0f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:08, skipping insertion in model container [2024-12-06 02:35:08,245 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:35:08" (1/1) ... [2024-12-06 02:35:08,256 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:35:08,388 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_a437dc1d-b01e-4059-b092-c63200376d55/sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br-ll.c[1060,1073] [2024-12-06 02:35:08,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:35:08,428 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:35:08,438 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_a437dc1d-b01e-4059-b092-c63200376d55/sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br-ll.c[1060,1073] [2024-12-06 02:35:08,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:35:08,466 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:35:08,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:08 WrapperNode [2024-12-06 02:35:08,466 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:35:08,467 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:35:08,468 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:35:08,468 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:35:08,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:08" (1/1) ... [2024-12-06 02:35:08,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:08" (1/1) ... [2024-12-06 02:35:08,495 INFO L138 Inliner]: procedures = 20, calls = 86, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2024-12-06 02:35:08,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:35:08,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:35:08,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:35:08,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:35:08,501 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:08" (1/1) ... [2024-12-06 02:35:08,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:08" (1/1) ... [2024-12-06 02:35:08,504 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:08" (1/1) ... [2024-12-06 02:35:08,504 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:08" (1/1) ... [2024-12-06 02:35:08,512 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:08" (1/1) ... [2024-12-06 02:35:08,513 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:08" (1/1) ... [2024-12-06 02:35:08,514 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:08" (1/1) ... [2024-12-06 02:35:08,516 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:08" (1/1) ... [2024-12-06 02:35:08,517 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:08" (1/1) ... [2024-12-06 02:35:08,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:35:08,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:35:08,521 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:35:08,521 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:35:08,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:35:08" (1/1) ... [2024-12-06 02:35:08,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:35:08,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:35:08,551 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:35:08,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:35:08,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:35:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:35:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:35:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-12-06 02:35:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 02:35:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:35:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:35:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-12-06 02:35:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_0_to_51_0 [2024-12-06 02:35:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_0_to_51_0 [2024-12-06 02:35:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:35:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:35:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:35:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 02:35:08,659 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:35:08,660 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:35:09,467 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-06 02:35:09,467 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:35:09,591 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:35:09,591 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:35:09,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:35:09 BoogieIcfgContainer [2024-12-06 02:35:09,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:35:09,592 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:35:09,592 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:35:09,599 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:35:09,599 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:35:09" (1/1) ... [2024-12-06 02:35:09,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:35:09,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:35:09,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-12-06 02:35:09,649 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-12-06 02:35:09,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:35:09,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:35:09,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:35:09,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:35:09,655 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:35:09,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a437dc1d-b01e-4059-b092-c63200376d55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process