./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_lcm2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-02 23:29:49,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:29:49,478 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:29:49,483 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:29:49,484 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:29:49,510 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:29:49,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:29:49,511 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:29:49,512 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:29:49,513 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:29:49,513 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:29:49,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:29:49,515 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:29:49,515 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:29:49,516 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:29:49,516 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:29:49,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:29:49,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:29:49,518 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:29:49,518 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:29:49,519 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:29:49,520 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:29:49,520 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:29:49,521 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:29:49,521 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:29:49,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:29:49,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:29:49,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:29:49,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:29:49,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:29:49,524 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:29:49,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:29:49,525 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:29:49,525 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d93bd48e791c000b7768d0e055259ea6d087a487fbdd17b18765993d4c240b84 [2023-12-02 23:29:49,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:29:49,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:29:49,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:29:49,829 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:29:49,830 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:29:49,831 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/recursified_nla-digbench/recursified_lcm2.c [2023-12-02 23:29:52,756 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:29:52,938 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:29:52,938 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/sv-benchmarks/c/recursified_nla-digbench/recursified_lcm2.c [2023-12-02 23:29:52,948 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/data/72b569233/96bbd0fadefa40c79ff46c85f45c54ba/FLAG5784e9967 [2023-12-02 23:29:52,964 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/data/72b569233/96bbd0fadefa40c79ff46c85f45c54ba [2023-12-02 23:29:52,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:29:52,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:29:52,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:29:52,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:29:52,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:29:52,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:29:52" (1/1) ... [2023-12-02 23:29:52,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f574046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:52, skipping insertion in model container [2023-12-02 23:29:52,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:29:52" (1/1) ... [2023-12-02 23:29:53,006 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:29:53,179 WARN L240 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_b4148ce6-60fc-4bad-a172-865099f7e2d1/sv-benchmarks/c/recursified_nla-digbench/recursified_lcm2.c[1061,1074] [2023-12-02 23:29:53,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:29:53,231 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:29:53,250 WARN L240 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_b4148ce6-60fc-4bad-a172-865099f7e2d1/sv-benchmarks/c/recursified_nla-digbench/recursified_lcm2.c[1061,1074] [2023-12-02 23:29:53,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:29:53,306 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:29:53,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:53 WrapperNode [2023-12-02 23:29:53,306 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:29:53,308 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:29:53,308 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:29:53,309 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:29:53,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:53" (1/1) ... [2023-12-02 23:29:53,329 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:53" (1/1) ... [2023-12-02 23:29:53,355 INFO L138 Inliner]: procedures = 16, calls = 82, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 92 [2023-12-02 23:29:53,356 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:29:53,356 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:29:53,357 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:29:53,357 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:29:53,368 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:53" (1/1) ... [2023-12-02 23:29:53,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:53" (1/1) ... [2023-12-02 23:29:53,372 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:53" (1/1) ... [2023-12-02 23:29:53,372 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:53" (1/1) ... [2023-12-02 23:29:53,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:53" (1/1) ... [2023-12-02 23:29:53,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:53" (1/1) ... [2023-12-02 23:29:53,385 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:53" (1/1) ... [2023-12-02 23:29:53,387 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:53" (1/1) ... [2023-12-02 23:29:53,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:29:53,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:29:53,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:29:53,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:29:53,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:53" (1/1) ... [2023-12-02 23:29:53,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:29:53,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:29:53,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:29:53,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:29:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:29:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:29:53,473 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:29:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:29:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:29:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:29:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:29:53,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:29:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:29:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:29:53,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:29:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:29:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_35_to_46_0 [2023-12-02 23:29:53,475 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_35_to_46_0 [2023-12-02 23:29:53,569 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:29:53,571 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:29:53,812 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:29:53,865 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:29:53,866 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:29:53,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:29:53 BoogieIcfgContainer [2023-12-02 23:29:53,868 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:29:53,869 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:29:53,870 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:29:53,882 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:29:53,882 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:29:53" (1/1) ... [2023-12-02 23:29:53,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:29:53,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:53,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2023-12-02 23:29:53,961 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2023-12-02 23:29:53,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:29:53,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:53,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:29:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:54,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 112 conjunts are in the unsatisfiable core [2023-12-02 23:29:54,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:29:54,558 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-12-02 23:29:54,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 77 treesize of output 69 [2023-12-02 23:29:55,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:29:55,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:29:55,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:29:55,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:29:55,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:29:55,676 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 23:29:55,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 14 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 183 treesize of output 43 [2023-12-02 23:29:56,363 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 23:29:56,364 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 87 treesize of output 39 [2023-12-02 23:29:56,444 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 23:30:07,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:30:07,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:30:07,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 45 transitions. [2023-12-02 23:30:07,152 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2023-12-02 23:30:07,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 23:30:07,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:30:07,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:30:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:30:17,321 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) 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) [2023-12-02 23:30:17,324 INFO L158 Benchmark]: Toolchain (without parser) took 24355.95ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 119.2MB in the beginning and 104.0MB in the end (delta: 15.3MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2023-12-02 23:30:17,325 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:30:17,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.46ms. Allocated memory is still 159.4MB. Free memory was 119.2MB in the beginning and 130.9MB in the end (delta: -11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:30:17,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.75ms. Allocated memory is still 159.4MB. Free memory was 130.9MB in the beginning and 129.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:30:17,327 INFO L158 Benchmark]: Boogie Preprocessor took 34.54ms. Allocated memory is still 159.4MB. Free memory was 129.4MB in the beginning and 128.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:30:17,328 INFO L158 Benchmark]: RCFGBuilder took 476.58ms. Allocated memory is still 159.4MB. Free memory was 128.1MB in the beginning and 107.8MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 23:30:17,329 INFO L158 Benchmark]: CodeCheck took 23453.99ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 107.8MB in the beginning and 104.0MB in the end (delta: 3.8MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2023-12-02 23:30:17,332 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.46ms. Allocated memory is still 159.4MB. Free memory was 119.2MB in the beginning and 130.9MB in the end (delta: -11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.75ms. Allocated memory is still 159.4MB. Free memory was 130.9MB in the beginning and 129.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.54ms. Allocated memory is still 159.4MB. Free memory was 129.4MB in the beginning and 128.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 476.58ms. Allocated memory is still 159.4MB. Free memory was 128.1MB in the beginning and 107.8MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 23453.99ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 107.8MB in the beginning and 104.0MB in the end (delta: 3.8MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:30:17,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_lcm2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-02 23:30:19,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:30:19,575 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:30:19,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:30:19,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:30:19,614 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:30:19,615 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:30:19,616 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:30:19,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:30:19,617 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:30:19,618 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:30:19,619 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:30:19,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:30:19,620 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:30:19,620 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:30:19,621 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:30:19,621 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:30:19,622 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:30:19,623 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:30:19,623 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:30:19,624 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:30:19,625 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:30:19,625 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:30:19,626 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:30:19,626 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:30:19,627 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:30:19,627 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:30:19,628 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:30:19,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:30:19,629 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:30:19,629 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:30:19,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:30:19,630 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:30:19,631 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:30:19,631 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:30:19,631 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:30:19,632 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:30:19,632 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d93bd48e791c000b7768d0e055259ea6d087a487fbdd17b18765993d4c240b84 [2023-12-02 23:30:19,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:30:19,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:30:19,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:30:19,984 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:30:19,985 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:30:19,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/recursified_nla-digbench/recursified_lcm2.c [2023-12-02 23:30:22,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:30:23,154 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:30:23,154 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/sv-benchmarks/c/recursified_nla-digbench/recursified_lcm2.c [2023-12-02 23:30:23,162 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/data/18c4d2bd0/b5fd18787e144fc781d88e1ca1d08ff4/FLAG1e08b7c17 [2023-12-02 23:30:23,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/data/18c4d2bd0/b5fd18787e144fc781d88e1ca1d08ff4 [2023-12-02 23:30:23,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:30:23,178 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:30:23,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:30:23,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:30:23,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:30:23,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:30:23" (1/1) ... [2023-12-02 23:30:23,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec40256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:23, skipping insertion in model container [2023-12-02 23:30:23,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:30:23" (1/1) ... [2023-12-02 23:30:23,209 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:30:23,388 WARN L240 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_b4148ce6-60fc-4bad-a172-865099f7e2d1/sv-benchmarks/c/recursified_nla-digbench/recursified_lcm2.c[1061,1074] [2023-12-02 23:30:23,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:30:23,426 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:30:23,443 WARN L240 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_b4148ce6-60fc-4bad-a172-865099f7e2d1/sv-benchmarks/c/recursified_nla-digbench/recursified_lcm2.c[1061,1074] [2023-12-02 23:30:23,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:30:23,477 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:30:23,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:23 WrapperNode [2023-12-02 23:30:23,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:30:23,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:30:23,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:30:23,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:30:23,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:23" (1/1) ... [2023-12-02 23:30:23,501 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:23" (1/1) ... [2023-12-02 23:30:23,528 INFO L138 Inliner]: procedures = 18, calls = 82, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 92 [2023-12-02 23:30:23,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:30:23,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:30:23,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:30:23,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:30:23,542 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:23" (1/1) ... [2023-12-02 23:30:23,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:23" (1/1) ... [2023-12-02 23:30:23,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:23" (1/1) ... [2023-12-02 23:30:23,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:23" (1/1) ... [2023-12-02 23:30:23,560 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:23" (1/1) ... [2023-12-02 23:30:23,563 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:23" (1/1) ... [2023-12-02 23:30:23,566 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:23" (1/1) ... [2023-12-02 23:30:23,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:23" (1/1) ... [2023-12-02 23:30:23,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:30:23,574 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:30:23,574 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:30:23,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:30:23,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:23" (1/1) ... [2023-12-02 23:30:23,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:30:23,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:30:23,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:30:23,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:30:23,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:30:23,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:30:23,657 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:30:23,657 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:30:23,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:30:23,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:30:23,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:30:23,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:30:23,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:30:23,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:30:23,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:30:23,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:30:23,659 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_35_to_46_0 [2023-12-02 23:30:23,660 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_35_to_46_0 [2023-12-02 23:30:23,764 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:30:23,766 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:30:24,081 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:30:24,158 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:30:24,159 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:30:24,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:30:24 BoogieIcfgContainer [2023-12-02 23:30:24,160 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:30:24,161 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:30:24,161 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:30:24,170 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:30:24,170 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:30:24" (1/1) ... [2023-12-02 23:30:24,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:30:24,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:30:24,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2023-12-02 23:30:24,235 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2023-12-02 23:30:24,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:30:24,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:30:24,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:30:24,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:30:24,244 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:30:24,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4148ce6-60fc-4bad-a172-865099f7e2d1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process