./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_3a465355-3f0f-486f-864e-74d2716a2b2e/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a465355-3f0f-486f-864e-74d2716a2b2e/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a465355-3f0f-486f-864e-74d2716a2b2e/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a465355-3f0f-486f-864e-74d2716a2b2e/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a465355-3f0f-486f-864e-74d2716a2b2e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a465355-3f0f-486f-864e-74d2716a2b2e/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ba87ab61cc50ccb52aece6219e7fc9da23076f2342241139ee756008f0599342 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:22:29,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:22:29,124 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a465355-3f0f-486f-864e-74d2716a2b2e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:22:29,133 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:22:29,134 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:22:29,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:22:29,183 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:22:29,183 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:22:29,185 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:22:29,190 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:22:29,191 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:22:29,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:22:29,192 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:22:29,194 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:22:29,195 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:22:29,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:22:29,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:22:29,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:22:29,197 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:22:29,197 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:22:29,198 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:22:29,198 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:22:29,199 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:22:29,199 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:22:29,200 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:22:29,202 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:22:29,202 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:22:29,203 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:22:29,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:29,203 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:22:29,205 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:22:29,205 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:22:29,205 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:22:29,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:22:29,206 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:22:29,206 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_3a465355-3f0f-486f-864e-74d2716a2b2e/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a465355-3f0f-486f-864e-74d2716a2b2e/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba87ab61cc50ccb52aece6219e7fc9da23076f2342241139ee756008f0599342 [2023-11-23 20:22:29,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:22:29,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:22:29,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:22:29,524 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:22:29,525 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:22:29,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a465355-3f0f-486f-864e-74d2716a2b2e/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1.c [2023-11-23 20:22:32,737 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:22:32,942 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:22:32,942 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a465355-3f0f-486f-864e-74d2716a2b2e/sv-benchmarks/c/recursified_nla-digbench/recursified_geo1.c [2023-11-23 20:22:32,951 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a465355-3f0f-486f-864e-74d2716a2b2e/bin/ukojak-verify-1t5iHCbJaC/data/e59c34498/f11da91728b943daa5b667eedacb6915/FLAG9c7eb3cf1 [2023-11-23 20:22:32,966 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a465355-3f0f-486f-864e-74d2716a2b2e/bin/ukojak-verify-1t5iHCbJaC/data/e59c34498/f11da91728b943daa5b667eedacb6915 [2023-11-23 20:22:32,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:22:32,970 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:22:32,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:32,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:22:32,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:22:32,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:32" (1/1) ... [2023-11-23 20:22:32,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eb1f9ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:32, skipping insertion in model container [2023-11-23 20:22:32,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:32" (1/1) ... [2023-11-23 20:22:33,004 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:22:33,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:33,171 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:22:33,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:33,209 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:22:33,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:33 WrapperNode [2023-11-23 20:22:33,210 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:33,211 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:33,211 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:22:33,211 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:22:33,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:33" (1/1) ... [2023-11-23 20:22:33,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:33" (1/1) ... [2023-11-23 20:22:33,249 INFO L138 Inliner]: procedures = 16, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2023-11-23 20:22:33,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:33,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:22:33,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:22:33,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:22:33,261 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:33" (1/1) ... [2023-11-23 20:22:33,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:33" (1/1) ... [2023-11-23 20:22:33,264 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:33" (1/1) ... [2023-11-23 20:22:33,264 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:33" (1/1) ... [2023-11-23 20:22:33,271 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:33" (1/1) ... [2023-11-23 20:22:33,273 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:33" (1/1) ... [2023-11-23 20:22:33,278 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:33" (1/1) ... [2023-11-23 20:22:33,279 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:33" (1/1) ... [2023-11-23 20:22:33,282 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:22:33,283 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:22:33,283 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:22:33,283 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:22:33,284 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:33" (1/1) ... [2023-11-23 20:22:33,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:33,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a465355-3f0f-486f-864e-74d2716a2b2e/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:22:33,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a465355-3f0f-486f-864e-74d2716a2b2e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:22:33,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a465355-3f0f-486f-864e-74d2716a2b2e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:22:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_28_to_36_0 [2023-11-23 20:22:33,372 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_28_to_36_0 [2023-11-23 20:22:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:22:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:22:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:22:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:22:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:22:33,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:22:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:22:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:22:33,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:22:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:22:33,459 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:22:33,462 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:22:33,827 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:22:33,913 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:22:33,913 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:22:33,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:33 BoogieIcfgContainer [2023-11-23 20:22:33,916 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:22:33,917 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:22:33,917 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:22:33,928 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:22:33,928 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:33" (1/1) ... [2023-11-23 20:22:33,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:22:33,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:33,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 64 states and 67 transitions. [2023-11-23 20:22:33,993 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2023-11-23 20:22:33,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:22:33,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:33,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:34,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-23 20:22:34,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:34,504 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:22:34,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:34,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 61 [2023-11-23 20:22:34,584 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:22:34,587 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2023-11-23 20:22:34,603 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:22:34,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:34,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:34,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:34,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 25 [2023-11-23 20:22:34,692 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 17 treesize of output 13 [2023-11-23 20:22:34,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-23 20:22:34,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:34,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:34,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:34,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:34,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:34,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:34,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:34,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:34,753 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-23 20:22:34,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 21 [2023-11-23 20:22:34,797 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:22:34,827 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:22:34,840 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:22:34,846 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:22:34,861 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:22:34,867 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:22:34,894 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:22:34,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-11-23 20:22:35,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:35,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:35,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 67 states and 71 transitions. [2023-11-23 20:22:35,172 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2023-11-23 20:22:35,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:22:35,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:35,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:35,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-23 20:22:35,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:35,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:35,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:35,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:35,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:35,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:35,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:35,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:35,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:35,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 37 [2023-11-23 20:22:35,417 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-11-23 20:22:35,418 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 61 treesize of output 53 [2023-11-23 20:22:35,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 33 [2023-11-23 20:22:35,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 13 [2023-11-23 20:22:35,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:36,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:36,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 71 states and 78 transitions. [2023-11-23 20:22:36,954 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2023-11-23 20:22:36,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:22:36,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:36,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:22:37,040 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:22:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:22:37,107 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-23 20:22:37,136 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-23 20:22:37,138 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-23 20:22:37,139 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-23 20:22:37,140 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-23 20:22:37,140 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-23 20:22:37,140 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-23 20:22:37,141 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-23 20:22:37,141 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-23 20:22:37,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:22:37 ImpRootNode [2023-11-23 20:22:37,147 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:22:37,148 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:22:37,148 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:22:37,148 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:22:37,149 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:33" (3/4) ... [2023-11-23 20:22:37,150 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:22:37,162 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-23 20:22:37,162 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-23 20:22:37,163 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-23 20:22:37,163 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-23 20:22:37,163 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-23 20:22:37,164 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-23 20:22:37,164 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-23 20:22:37,164 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-23 20:22:37,201 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a465355-3f0f-486f-864e-74d2716a2b2e/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:22:37,201 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:22:37,202 INFO L158 Benchmark]: Toolchain (without parser) took 4232.01ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 83.1MB in the beginning and 116.2MB in the end (delta: -33.0MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2023-11-23 20:22:37,203 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory was 69.3MB in the beginning and 69.2MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:22:37,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.19ms. Allocated memory is still 121.6MB. Free memory was 82.8MB in the beginning and 72.1MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:22:37,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.16ms. Allocated memory is still 121.6MB. Free memory was 72.1MB in the beginning and 70.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:22:37,205 INFO L158 Benchmark]: Boogie Preprocessor took 31.61ms. Allocated memory is still 121.6MB. Free memory was 70.5MB in the beginning and 69.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:22:37,206 INFO L158 Benchmark]: RCFGBuilder took 632.93ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 69.0MB in the beginning and 134.5MB in the end (delta: -65.5MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2023-11-23 20:22:37,207 INFO L158 Benchmark]: CodeCheck took 3230.77ms. Allocated memory is still 165.7MB. Free memory was 134.5MB in the beginning and 118.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2023-11-23 20:22:37,208 INFO L158 Benchmark]: Witness Printer took 53.62ms. Allocated memory is still 165.7MB. Free memory was 118.3MB in the beginning and 116.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:22:37,212 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 64 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 10 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 9 ConstructedInterpolants, 3 QuantifiedInterpolants, 215 SizeOfPredicates, 29 NumberOfNonLiveVariables, 309 ConjunctsInSsa, 91 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 57]: integer overflow possible integer overflow possible We found a FailurePath: [L78] int z; [L79] int k; [L80] int x; [L81] int y; [L82] int c; [L83] z = __VERIFIER_nondet_int() [L84] k = __VERIFIER_nondet_int() [L85] x = 1 [L86] EXPR \read(z) [L86] y = z [L87] c = 1 VAL [c={8:0}, k={5:0}, x={6:0}, y={7:0}, z={4:0}] [L88] CALL func_to_recursive_line_28_to_36_0(&y, &k, &x, &c, &z) VAL [c={8:0}, k={5:0}, x={6:0}, y={7:0}, z={4:0}] [L57] EXPR \read(*x) [L57] EXPR \read(*z) VAL [c={8:0}, c={8:0}, k={5:0}, k={5:0}, x={6:0}, x={6:0}, y={7:0}, y={7:0}, z={4:0}, z={4:0}] [L57] EXPR (*x) * (*z) [L57] EXPR \read(*x) VAL [c={8:0}, c={8:0}, k={5:0}, k={5:0}, x={6:0}, x={6:0}, y={7:0}, y={7:0}, z={4:0}, z={4:0}] [L57] ((*x) * (*z)) - (*x) VAL [c={8:0}, c={8:0}, k={5:0}, k={5:0}, x={6:0}, x={6:0}, y={7:0}, y={7:0}, z={4:0}, z={4:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory was 69.3MB in the beginning and 69.2MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.19ms. Allocated memory is still 121.6MB. Free memory was 82.8MB in the beginning and 72.1MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.16ms. Allocated memory is still 121.6MB. Free memory was 72.1MB in the beginning and 70.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.61ms. Allocated memory is still 121.6MB. Free memory was 70.5MB in the beginning and 69.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 632.93ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 69.0MB in the beginning and 134.5MB in the end (delta: -65.5MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * CodeCheck took 3230.77ms. Allocated memory is still 165.7MB. Free memory was 134.5MB in the beginning and 118.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Witness Printer took 53.62ms. Allocated memory is still 165.7MB. Free memory was 118.3MB in the beginning and 116.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:22:37,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a465355-3f0f-486f-864e-74d2716a2b2e/bin/ukojak-verify-1t5iHCbJaC/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)