./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo2.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_b334183c-a00e-46d9-b251-c3e610bfa1c0/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b334183c-a00e-46d9-b251-c3e610bfa1c0/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_b334183c-a00e-46d9-b251-c3e610bfa1c0/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b334183c-a00e-46d9-b251-c3e610bfa1c0/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b334183c-a00e-46d9-b251-c3e610bfa1c0/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_b334183c-a00e-46d9-b251-c3e610bfa1c0/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 dfa146aa1f7e35376cbccd06e874bc54d20f2c59efb61bc729adb7e4f2824594 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:17:34,277 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:17:34,406 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b334183c-a00e-46d9-b251-c3e610bfa1c0/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:17:34,415 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:17:34,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:17:34,457 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:17:34,458 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:17:34,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:17:34,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:17:34,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:17:34,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:17:34,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:17:34,468 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:17:34,470 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:17:34,472 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:17:34,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:17:34,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:17:34,473 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:17:34,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:17:34,474 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:17:34,475 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:17:34,475 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:17:34,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:17:34,476 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:17:34,477 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:17:34,478 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:17:34,478 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:17:34,479 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:17:34,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:34,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:17:34,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:17:34,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:17:34,482 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:17:34,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:17:34,482 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:17:34,483 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_b334183c-a00e-46d9-b251-c3e610bfa1c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b334183c-a00e-46d9-b251-c3e610bfa1c0/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfa146aa1f7e35376cbccd06e874bc54d20f2c59efb61bc729adb7e4f2824594 [2023-11-23 20:17:34,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:17:34,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:17:34,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:17:34,792 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:17:34,793 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:17:34,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b334183c-a00e-46d9-b251-c3e610bfa1c0/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo2.c [2023-11-23 20:17:38,101 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:17:38,330 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:17:38,331 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b334183c-a00e-46d9-b251-c3e610bfa1c0/sv-benchmarks/c/recursified_nla-digbench/recursified_geo2.c [2023-11-23 20:17:38,339 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b334183c-a00e-46d9-b251-c3e610bfa1c0/bin/ukojak-verify-1t5iHCbJaC/data/1881e8ff9/96e2e5a733014f0e9056116d7c07be87/FLAGb01cac5a2 [2023-11-23 20:17:38,355 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b334183c-a00e-46d9-b251-c3e610bfa1c0/bin/ukojak-verify-1t5iHCbJaC/data/1881e8ff9/96e2e5a733014f0e9056116d7c07be87 [2023-11-23 20:17:38,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:17:38,361 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:17:38,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:38,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:17:38,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:17:38,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:38" (1/1) ... [2023-11-23 20:17:38,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bcf9997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:38, skipping insertion in model container [2023-11-23 20:17:38,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:38" (1/1) ... [2023-11-23 20:17:38,408 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:17:38,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:38,617 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:17:38,643 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:38,658 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:17:38,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:38 WrapperNode [2023-11-23 20:17:38,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:38,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:38,661 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:17:38,661 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:17:38,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:38" (1/1) ... [2023-11-23 20:17:38,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:38" (1/1) ... [2023-11-23 20:17:38,708 INFO L138 Inliner]: procedures = 16, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2023-11-23 20:17:38,708 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:38,709 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:17:38,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:17:38,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:17:38,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:38" (1/1) ... [2023-11-23 20:17:38,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:38" (1/1) ... [2023-11-23 20:17:38,724 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:38" (1/1) ... [2023-11-23 20:17:38,725 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:38" (1/1) ... [2023-11-23 20:17:38,733 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:38" (1/1) ... [2023-11-23 20:17:38,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:38" (1/1) ... [2023-11-23 20:17:38,737 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:38" (1/1) ... [2023-11-23 20:17:38,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:38" (1/1) ... [2023-11-23 20:17:38,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:17:38,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:17:38,743 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:17:38,743 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:17:38,744 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:38" (1/1) ... [2023-11-23 20:17:38,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:38,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b334183c-a00e-46d9-b251-c3e610bfa1c0/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:17:38,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b334183c-a00e-46d9-b251-c3e610bfa1c0/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:17:38,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b334183c-a00e-46d9-b251-c3e610bfa1c0/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:17:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:17:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:17:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:17:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:17:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_30_to_38_0 [2023-11-23 20:17:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_30_to_38_0 [2023-11-23 20:17:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:17:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:17:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:17:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:17:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:17:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:17:38,915 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:17:38,918 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:17:39,339 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:17:39,418 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:17:39,418 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:17:39,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:39 BoogieIcfgContainer [2023-11-23 20:17:39,420 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:17:39,421 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:17:39,422 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:17:39,431 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:17:39,431 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:39" (1/1) ... [2023-11-23 20:17:39,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:17:39,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:39,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 72 states and 75 transitions. [2023-11-23 20:17:39,501 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 75 transitions. [2023-11-23 20:17:39,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:17:39,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:39,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:39,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-23 20:17:39,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:39,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:17:39,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:17:40,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:17:40,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 35 [2023-11-23 20:17:40,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:17:40,068 INFO L349 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2023-11-23 20:17:40,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 49 [2023-11-23 20:17:40,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2023-11-23 20:17:40,287 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 20:17:40,312 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 20:17:40,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:40,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 75 states and 79 transitions. [2023-11-23 20:17:40,522 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2023-11-23 20:17:40,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:17:40,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:40,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:40,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-23 20:17:40,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:40,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:17:40,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:17:40,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:17:40,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:17:40,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:17:40,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:17:40,739 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 20:17:40,765 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-11-23 20:17:40,766 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 20:17:40,780 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 30 treesize of output 31 [2023-11-23 20:17:41,044 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 29 treesize of output 13 [2023-11-23 20:17:41,080 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 20:17:42,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:42,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 79 states and 86 transitions. [2023-11-23 20:17:42,368 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2023-11-23 20:17:42,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:17:42,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:42,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:42,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:17:42,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:42,564 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 20:17:42,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:42,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 80 states and 88 transitions. [2023-11-23 20:17:42,794 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2023-11-23 20:17:42,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:17:42,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:42,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:17:42,924 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:17:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:17:42,987 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2023-11-23 20:17:43,019 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-23 20:17:43,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-23 20:17:43,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-23 20:17:43,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-23 20:17:43,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-23 20:17:43,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-23 20:17:43,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:17:43 ImpRootNode [2023-11-23 20:17:43,028 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:17:43,029 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:17:43,029 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:17:43,030 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:17:43,030 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:39" (3/4) ... [2023-11-23 20:17:43,031 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:17:43,040 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-23 20:17:43,040 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-23 20:17:43,041 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-23 20:17:43,041 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-23 20:17:43,042 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-23 20:17:43,042 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-23 20:17:43,085 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b334183c-a00e-46d9-b251-c3e610bfa1c0/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:17:43,086 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:17:43,088 INFO L158 Benchmark]: Toolchain (without parser) took 4726.82ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 74.5MB in the beginning and 103.8MB in the end (delta: -29.3MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2023-11-23 20:17:43,088 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:17:43,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.45ms. Allocated memory is still 119.5MB. Free memory was 74.1MB in the beginning and 63.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:17:43,094 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.87ms. Allocated memory is still 119.5MB. Free memory was 63.2MB in the beginning and 61.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:43,095 INFO L158 Benchmark]: Boogie Preprocessor took 32.97ms. Allocated memory is still 119.5MB. Free memory was 61.5MB in the beginning and 60.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:43,096 INFO L158 Benchmark]: RCFGBuilder took 677.60ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 60.2MB in the beginning and 113.6MB in the end (delta: -53.4MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2023-11-23 20:17:43,097 INFO L158 Benchmark]: CodeCheck took 3607.04ms. Allocated memory is still 151.0MB. Free memory was 113.6MB in the beginning and 105.9MB in the end (delta: 7.6MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-11-23 20:17:43,100 INFO L158 Benchmark]: Witness Printer took 57.52ms. Allocated memory is still 151.0MB. Free memory was 105.9MB in the beginning and 103.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:43,109 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, 72 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 113 IncrementalHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 16 mSDtfsCounter, 113 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 109 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 15 ConstructedInterpolants, 3 QuantifiedInterpolants, 212 SizeOfPredicates, 29 NumberOfNonLiveVariables, 465 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 56]: integer overflow possible integer overflow possible We found a FailurePath: [L77] int z; [L78] int k; [L79] int x; [L80] int y; [L81] int c; [L82] z = __VERIFIER_nondet_int() [L83] k = __VERIFIER_nondet_int() [L84] x = 1 [L85] y = 1 [L86] c = 1 VAL [c={6:0}, k={8:0}, x={5:0}, y={4:0}, z={7:0}] [L87] CALL func_to_recursive_line_30_to_38_0(&k, &x, &z, &y, &c) VAL [c={6:0}, k={8:0}, x={5:0}, y={4:0}, z={7:0}] [L56] EXPR \read(*x) [L56] EXPR \read(*z) VAL [c={6:0}, c={6:0}, k={8:0}, k={8:0}, x={5:0}, x={5:0}, y={4:0}, y={4:0}, z={7:0}, z={7:0}] [L56] EXPR (*x) * (*z) VAL [c={6:0}, c={6:0}, k={8:0}, k={8:0}, x={5:0}, x={5:0}, y={4:0}, y={4:0}, z={7:0}, z={7:0}] [L56] 1 + ((*x) * (*z)) VAL [c={6:0}, c={6:0}, k={8:0}, k={8:0}, x={5:0}, x={5:0}, y={4:0}, y={4:0}, z={7:0}, z={7:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.45ms. Allocated memory is still 119.5MB. Free memory was 74.1MB in the beginning and 63.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.87ms. Allocated memory is still 119.5MB. Free memory was 63.2MB in the beginning and 61.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.97ms. Allocated memory is still 119.5MB. Free memory was 61.5MB in the beginning and 60.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 677.60ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 60.2MB in the beginning and 113.6MB in the end (delta: -53.4MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * CodeCheck took 3607.04ms. Allocated memory is still 151.0MB. Free memory was 113.6MB in the beginning and 105.9MB in the end (delta: 7.6MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Witness Printer took 57.52ms. Allocated memory is still 151.0MB. Free memory was 105.9MB in the beginning and 103.8MB 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~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~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 The program execution was not completely translated back. - 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~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 The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:17:43,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b334183c-a00e-46d9-b251-c3e610bfa1c0/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)