./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_lcm2.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_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/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_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_lcm2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/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_9efdfeb2-4ab5-465f-822c-2148243f8eca/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 d93bd48e791c000b7768d0e055259ea6d087a487fbdd17b18765993d4c240b84 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:53:53,860 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:53:53,918 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:53:53,922 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:53:53,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:53:53,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:53:53,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:53:53,943 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:53:53,944 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:53:53,944 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:53:53,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:53:53,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:53:53,944 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:53:53,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:53:53,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:53:53,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:53:53,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:53:53,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:53:53,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:53:53,945 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:53:53,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:53:53,945 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:53:53,945 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:53:53,945 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:53:53,945 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:53:53,945 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:53:53,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:53:53,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:53:53,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:53:53,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:53:53,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:53:53,946 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:53:53,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:53:53,946 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_9efdfeb2-4ab5-465f-822c-2148243f8eca/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 -> d93bd48e791c000b7768d0e055259ea6d087a487fbdd17b18765993d4c240b84 [2024-12-06 00:53:54,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:53:54,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:53:54,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:53:54,203 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:53:54,203 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:53:54,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_lcm2.c [2024-12-06 00:53:56,831 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/data/19d3bbf92/b692cb44205c4ccba3e89ec19ccc2a96/FLAG0cb5fb110 [2024-12-06 00:53:57,016 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:53:57,017 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/sv-benchmarks/c/recursified_nla-digbench/recursified_lcm2.c [2024-12-06 00:53:57,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/data/19d3bbf92/b692cb44205c4ccba3e89ec19ccc2a96/FLAG0cb5fb110 [2024-12-06 00:53:57,042 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/data/19d3bbf92/b692cb44205c4ccba3e89ec19ccc2a96 [2024-12-06 00:53:57,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:53:57,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:53:57,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:53:57,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:53:57,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:53:57,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:53:57" (1/1) ... [2024-12-06 00:53:57,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c3a4c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:57, skipping insertion in model container [2024-12-06 00:53:57,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:53:57" (1/1) ... [2024-12-06 00:53:57,068 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:53:57,194 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_9efdfeb2-4ab5-465f-822c-2148243f8eca/sv-benchmarks/c/recursified_nla-digbench/recursified_lcm2.c[1061,1074] [2024-12-06 00:53:57,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:53:57,218 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:53:57,226 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_9efdfeb2-4ab5-465f-822c-2148243f8eca/sv-benchmarks/c/recursified_nla-digbench/recursified_lcm2.c[1061,1074] [2024-12-06 00:53:57,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:53:57,248 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:53:57,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:57 WrapperNode [2024-12-06 00:53:57,248 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:53:57,249 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:53:57,249 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:53:57,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:53:57,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:57" (1/1) ... [2024-12-06 00:53:57,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:57" (1/1) ... [2024-12-06 00:53:57,274 INFO L138 Inliner]: procedures = 16, calls = 82, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 92 [2024-12-06 00:53:57,275 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:53:57,275 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:53:57,275 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:53:57,275 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:53:57,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:57" (1/1) ... [2024-12-06 00:53:57,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:57" (1/1) ... [2024-12-06 00:53:57,283 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:57" (1/1) ... [2024-12-06 00:53:57,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:57" (1/1) ... [2024-12-06 00:53:57,289 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:57" (1/1) ... [2024-12-06 00:53:57,290 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:57" (1/1) ... [2024-12-06 00:53:57,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:57" (1/1) ... [2024-12-06 00:53:57,293 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:57" (1/1) ... [2024-12-06 00:53:57,294 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:57" (1/1) ... [2024-12-06 00:53:57,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:53:57,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:53:57,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:53:57,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:53:57,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:57" (1/1) ... [2024-12-06 00:53:57,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:53:57,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:53:57,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:53:57,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:53:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:53:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:53:57,346 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:53:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:53:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 00:53:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 00:53:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:53:57,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:53:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 00:53:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 00:53:57,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 00:53:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:53:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_35_to_46_0 [2024-12-06 00:53:57,347 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_35_to_46_0 [2024-12-06 00:53:57,420 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:53:57,422 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:53:57,618 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-06 00:53:57,618 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:53:57,663 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:53:57,664 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:53:57,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:53:57 BoogieIcfgContainer [2024-12-06 00:53:57,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:53:57,665 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:53:57,665 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:53:57,675 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:53:57,675 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:53:57" (1/1) ... [2024-12-06 00:53:57,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:53:57,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:57,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2024-12-06 00:53:57,730 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2024-12-06 00:53:57,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:53:57,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:57,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:53:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:53:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:58,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 104 conjuncts are in the unsatisfiable core [2024-12-06 00:53:58,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:58,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 00:53:58,478 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2024-12-06 00:53:58,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 1 [2024-12-06 00:53:58,495 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2024-12-06 00:53:58,496 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 00:53:59,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:53:59,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:53:59,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:53:59,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:53:59,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:53:59,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 15 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 43 [2024-12-06 00:53:59,503 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 87 treesize of output 31 [2024-12-06 00:53:59,573 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 00:54:00,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:00,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 45 transitions. [2024-12-06 00:54:00,089 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2024-12-06 00:54:00,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 00:54:00,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:00,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:54:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:54:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:05,162 WARN L254 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 194 conjuncts are in the unsatisfiable core [2024-12-06 00:54:05,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:05,200 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2024-12-06 00:54:05,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 1 [2024-12-06 00:54:05,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 00:54:05,231 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2024-12-06 00:54:05,232 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 00:54:06,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:06,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:06,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:06,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:06,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:06,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 15 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 48 [2024-12-06 00:54:33,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:33,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:33,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:33,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:33,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 190 [2024-12-06 00:54:33,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 162 treesize of output 125 [2024-12-06 00:54:33,277 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 00:54:33,287 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 00:54:33,297 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 75 treesize of output 63 [2024-12-06 00:54:33,310 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 86 treesize of output 76 [2024-12-06 00:54:33,368 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:54:33,372 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 310 [2024-12-06 00:54:55,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:55,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:55,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:55,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:55,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:55,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:55,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:55,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:55,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:55,535 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-06 00:54:55,535 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 275 treesize of output 151 [2024-12-06 00:54:55,573 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 00:54:55,581 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 26 treesize of output 20 [2024-12-06 00:54:55,587 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 50 treesize of output 38 [2024-12-06 00:54:55,596 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 48 treesize of output 38 [2024-12-06 00:54:55,810 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 00:57:15,036 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 68 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:58:34,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:58:37,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:58:50,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:59:00,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:03:06,809 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/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 01:03:06,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-12-06 01:03:06,810 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_9efdfeb2-4ab5-465f-822c-2148243f8eca/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.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) 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:237) 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) ... 29 more [2024-12-06 01:03:06,815 INFO L158 Benchmark]: Toolchain (without parser) took 549768.37ms. Allocated memory was 142.6MB in the beginning and 293.6MB in the end (delta: 151.0MB). Free memory was 117.7MB in the beginning and 233.4MB in the end (delta: -115.7MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2024-12-06 01:03:06,815 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:03:06,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.97ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 105.9MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:03:06,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.59ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 104.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:03:06,816 INFO L158 Benchmark]: Boogie Preprocessor took 21.40ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 103.6MB in the end (delta: 961.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:03:06,816 INFO L158 Benchmark]: RCFGBuilder took 367.20ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 84.4MB in the end (delta: 19.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 01:03:06,816 INFO L158 Benchmark]: CodeCheck took 549148.83ms. Allocated memory was 142.6MB in the beginning and 293.6MB in the end (delta: 151.0MB). Free memory was 84.4MB in the beginning and 233.4MB in the end (delta: -149.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:03:06,818 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_9efdfeb2-4ab5-465f-822c-2148243f8eca/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_9efdfeb2-4ab5-465f-822c-2148243f8eca/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 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.97ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 105.9MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.59ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 104.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.40ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 103.6MB in the end (delta: 961.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 367.20ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 84.4MB in the end (delta: 19.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 549148.83ms. Allocated memory was 142.6MB in the beginning and 293.6MB in the end (delta: 151.0MB). Free memory was 84.4MB in the beginning and 233.4MB in the end (delta: -149.0MB). There was no memory consumed. 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_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/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_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_lcm2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/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_9efdfeb2-4ab5-465f-822c-2148243f8eca/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 d93bd48e791c000b7768d0e055259ea6d087a487fbdd17b18765993d4c240b84 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:03:08,477 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:03:08,552 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:03:08,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:03:08,579 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:03:08,579 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:03:08,579 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:03:08,579 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:03:08,579 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:03:08,580 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:03:08,580 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:03:08,580 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:03:08,580 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:03:08,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:03:08,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:03:08,580 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:03:08,580 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:03:08,580 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:03:08,580 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:03:08,580 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:03:08,581 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:03:08,581 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:03:08,581 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:03:08,581 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:03:08,581 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:03:08,581 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:03:08,581 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:03:08,581 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:03:08,581 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:03:08,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:03:08,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:03:08,582 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:03:08,582 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:03:08,582 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:03:08,582 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:03:08,582 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:03:08,582 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_9efdfeb2-4ab5-465f-822c-2148243f8eca/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 -> d93bd48e791c000b7768d0e055259ea6d087a487fbdd17b18765993d4c240b84 [2024-12-06 01:03:08,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:03:08,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:03:08,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:03:08,835 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:03:08,835 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:03:08,836 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_lcm2.c [2024-12-06 01:03:11,521 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/data/0bcac4e1b/13edc170a92c41bd8882d15ba639e97d/FLAG44e0c0447 [2024-12-06 01:03:11,691 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:03:11,691 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/sv-benchmarks/c/recursified_nla-digbench/recursified_lcm2.c [2024-12-06 01:03:11,700 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/data/0bcac4e1b/13edc170a92c41bd8882d15ba639e97d/FLAG44e0c0447 [2024-12-06 01:03:12,072 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/data/0bcac4e1b/13edc170a92c41bd8882d15ba639e97d [2024-12-06 01:03:12,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:03:12,074 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:03:12,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:03:12,075 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:03:12,078 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:03:12,079 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:03:12" (1/1) ... [2024-12-06 01:03:12,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aef1fe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:12, skipping insertion in model container [2024-12-06 01:03:12,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:03:12" (1/1) ... [2024-12-06 01:03:12,090 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:03:12,206 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_9efdfeb2-4ab5-465f-822c-2148243f8eca/sv-benchmarks/c/recursified_nla-digbench/recursified_lcm2.c[1061,1074] [2024-12-06 01:03:12,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:03:12,230 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:03:12,238 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_9efdfeb2-4ab5-465f-822c-2148243f8eca/sv-benchmarks/c/recursified_nla-digbench/recursified_lcm2.c[1061,1074] [2024-12-06 01:03:12,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:03:12,259 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:03:12,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:12 WrapperNode [2024-12-06 01:03:12,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:03:12,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:03:12,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:03:12,260 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:03:12,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:12" (1/1) ... [2024-12-06 01:03:12,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:12" (1/1) ... [2024-12-06 01:03:12,285 INFO L138 Inliner]: procedures = 18, calls = 82, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 92 [2024-12-06 01:03:12,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:03:12,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:03:12,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:03:12,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:03:12,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:12" (1/1) ... [2024-12-06 01:03:12,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:12" (1/1) ... [2024-12-06 01:03:12,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:12" (1/1) ... [2024-12-06 01:03:12,294 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:12" (1/1) ... [2024-12-06 01:03:12,300 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:12" (1/1) ... [2024-12-06 01:03:12,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:12" (1/1) ... [2024-12-06 01:03:12,302 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:12" (1/1) ... [2024-12-06 01:03:12,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:12" (1/1) ... [2024-12-06 01:03:12,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:12" (1/1) ... [2024-12-06 01:03:12,306 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:03:12,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:03:12,307 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:03:12,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:03:12,308 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:12" (1/1) ... [2024-12-06 01:03:12,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:03:12,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:03:12,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:03:12,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:03:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:03:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:03:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:03:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:03:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 01:03:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 01:03:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:03:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:03:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:03:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:03:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:03:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 01:03:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_35_to_46_0 [2024-12-06 01:03:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_35_to_46_0 [2024-12-06 01:03:12,428 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:03:12,429 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:03:12,656 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-06 01:03:12,656 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:03:12,701 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:03:12,701 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:03:12,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:03:12 BoogieIcfgContainer [2024-12-06 01:03:12,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:03:12,702 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:03:12,702 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:03:12,709 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:03:12,709 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:03:12" (1/1) ... [2024-12-06 01:03:12,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:03:12,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:03:12,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2024-12-06 01:03:12,750 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2024-12-06 01:03:12,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 01:03:12,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:03:12,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:03:12,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:03:12,756 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:03:12,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efdfeb2-4ab5-465f-822c-2148243f8eca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process