./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c68db2-4a20-45e1-a803-cdc6fcd6563d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c68db2-4a20-45e1-a803-cdc6fcd6563d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c68db2-4a20-45e1-a803-cdc6fcd6563d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c68db2-4a20-45e1-a803-cdc6fcd6563d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c68db2-4a20-45e1-a803-cdc6fcd6563d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c68db2-4a20-45e1-a803-cdc6fcd6563d/bin/ukojak-verify-G8NBE6pJGL --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-9bd2c7f [2023-11-19 02:40:02,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:40:02,618 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c68db2-4a20-45e1-a803-cdc6fcd6563d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:40:02,628 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:40:02,629 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:40:02,668 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:40:02,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:40:02,671 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:40:02,672 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:40:02,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:40:02,680 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:40:02,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:40:02,681 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:40:02,683 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:40:02,683 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:40:02,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:40:02,685 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:40:02,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:40:02,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:40:02,687 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:40:02,687 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:40:02,688 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:40:02,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:40:02,690 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:40:02,691 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:40:02,691 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:40:02,692 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:40:02,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:40:02,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:40:02,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:40:02,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:40:02,695 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:40:02,695 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:40:02,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:40:02,696 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:40:02,696 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_45c68db2-4a20-45e1-a803-cdc6fcd6563d/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c68db2-4a20-45e1-a803-cdc6fcd6563d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba87ab61cc50ccb52aece6219e7fc9da23076f2342241139ee756008f0599342 [2023-11-19 02:40:02,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:40:02,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:40:02,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:40:02,989 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:40:02,990 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:40:02,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c68db2-4a20-45e1-a803-cdc6fcd6563d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1.c [2023-11-19 02:40:06,182 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:40:06,389 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:40:06,390 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c68db2-4a20-45e1-a803-cdc6fcd6563d/sv-benchmarks/c/recursified_nla-digbench/recursified_geo1.c [2023-11-19 02:40:06,398 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c68db2-4a20-45e1-a803-cdc6fcd6563d/bin/ukojak-verify-G8NBE6pJGL/data/bb56ad00b/3b79f2d2ef7d4e30bd6154ca53969ab0/FLAG3e0b5b7a5 [2023-11-19 02:40:06,414 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c68db2-4a20-45e1-a803-cdc6fcd6563d/bin/ukojak-verify-G8NBE6pJGL/data/bb56ad00b/3b79f2d2ef7d4e30bd6154ca53969ab0 [2023-11-19 02:40:06,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:40:06,418 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:40:06,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:40:06,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:40:06,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:40:06,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:40:06" (1/1) ... [2023-11-19 02:40:06,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c9ddbfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:06, skipping insertion in model container [2023-11-19 02:40:06,428 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:40:06" (1/1) ... [2023-11-19 02:40:06,452 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:40:06,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:40:06,691 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:40:06,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:40:06,741 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:40:06,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:06 WrapperNode [2023-11-19 02:40:06,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:40:06,744 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:40:06,744 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:40:06,744 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:40:06,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:06" (1/1) ... [2023-11-19 02:40:06,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:06" (1/1) ... [2023-11-19 02:40:06,804 INFO L138 Inliner]: procedures = 16, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2023-11-19 02:40:06,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:40:06,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:40:06,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:40:06,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:40:06,817 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:06" (1/1) ... [2023-11-19 02:40:06,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:06" (1/1) ... [2023-11-19 02:40:06,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:06" (1/1) ... [2023-11-19 02:40:06,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:06" (1/1) ... [2023-11-19 02:40:06,839 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:06" (1/1) ... [2023-11-19 02:40:06,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:06" (1/1) ... [2023-11-19 02:40:06,852 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:06" (1/1) ... [2023-11-19 02:40:06,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:06" (1/1) ... [2023-11-19 02:40:06,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:40:06,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:40:06,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:40:06,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:40:06,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:06" (1/1) ... [2023-11-19 02:40:06,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:40:06,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c68db2-4a20-45e1-a803-cdc6fcd6563d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:40:06,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c68db2-4a20-45e1-a803-cdc6fcd6563d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:40:06,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c68db2-4a20-45e1-a803-cdc6fcd6563d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:40:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_28_to_36_0 [2023-11-19 02:40:06,954 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_28_to_36_0 [2023-11-19 02:40:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:40:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:40:06,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:40:06,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:40:06,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:40:06,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:40:06,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:40:06,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:40:06,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:40:06,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:40:07,078 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:40:07,081 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:40:07,474 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:40:07,506 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:40:07,506 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:40:07,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:40:07 BoogieIcfgContainer [2023-11-19 02:40:07,513 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:40:07,517 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:40:07,517 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:40:07,528 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:40:07,530 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:40:07" (1/1) ... [2023-11-19 02:40:07,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:40:07,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:07,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 64 states and 67 transitions. [2023-11-19 02:40:07,602 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2023-11-19 02:40:07,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:40:07,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:07,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:07,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-19 02:40:07,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:40:08,157 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 02:40:08,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:40:08,201 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 [2023-11-19 02:40:08,234 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:40:08,237 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2023-11-19 02:40:08,249 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-19 02:40:08,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:40:08,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:40:08,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:40:08,291 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 [2023-11-19 02:40:08,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2023-11-19 02:40:08,308 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 [2023-11-19 02:40:08,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:40:08,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:40:08,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:40:08,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:40:08,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:40:08,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:40:08,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:40:08,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:40:08,341 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-19 02:40:08,341 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 [2023-11-19 02:40:08,361 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:40:08,365 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 02:40:08,378 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:40:08,382 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 02:40:08,396 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:40:08,413 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 02:40:08,433 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 02:40:08,507 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 [2023-11-19 02:40:08,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:08,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:08,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 67 states and 71 transitions. [2023-11-19 02:40:08,672 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2023-11-19 02:40:08,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:40:08,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:08,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:08,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-19 02:40:08,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:40:08,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:40:08,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:40:08,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:40:08,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:40:08,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:40:08,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:40:08,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:40:08,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:40:08,817 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 [2023-11-19 02:40:08,841 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-11-19 02:40:08,842 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 [2023-11-19 02:40:08,857 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 [2023-11-19 02:40:09,092 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 [2023-11-19 02:40:09,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:10,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:10,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 71 states and 78 transitions. [2023-11-19 02:40:10,371 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2023-11-19 02:40:10,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:40:10,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:10,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:40:10,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:40:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:40:10,496 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-19 02:40:10,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-19 02:40:10,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-19 02:40:10,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-19 02:40:10,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-19 02:40:10,524 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-19 02:40:10,524 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-19 02:40:10,524 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-19 02:40:10,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-19 02:40:10,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:40:10 ImpRootNode [2023-11-19 02:40:10,529 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:40:10,530 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:40:10,530 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:40:10,530 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:40:10,531 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:40:07" (3/4) ... [2023-11-19 02:40:10,532 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 02:40:10,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-19 02:40:10,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-19 02:40:10,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-19 02:40:10,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-19 02:40:10,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-19 02:40:10,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-19 02:40:10,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-19 02:40:10,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-19 02:40:10,586 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c68db2-4a20-45e1-a803-cdc6fcd6563d/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:40:10,586 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:40:10,587 INFO L158 Benchmark]: Toolchain (without parser) took 4168.70ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 114.3MB in the beginning and 90.3MB in the end (delta: 24.0MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. [2023-11-19 02:40:10,588 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 111.1MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:40:10,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.75ms. Allocated memory is still 159.4MB. Free memory was 114.3MB in the beginning and 103.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:40:10,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.33ms. Allocated memory is still 159.4MB. Free memory was 103.2MB in the beginning and 101.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:40:10,590 INFO L158 Benchmark]: Boogie Preprocessor took 59.82ms. Allocated memory is still 159.4MB. Free memory was 101.7MB in the beginning and 100.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:40:10,590 INFO L158 Benchmark]: RCFGBuilder took 649.17ms. Allocated memory is still 159.4MB. Free memory was 100.2MB in the beginning and 80.2MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 02:40:10,591 INFO L158 Benchmark]: CodeCheck took 3012.51ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 80.2MB in the beginning and 92.4MB in the end (delta: -12.2MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2023-11-19 02:40:10,592 INFO L158 Benchmark]: Witness Printer took 56.58ms. Allocated memory is still 205.5MB. Free memory was 92.4MB in the beginning and 90.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:40:10,595 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: 2.9s, 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, 0.1s 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, 0.1s SatisfiabilityAnalysisTime, 1.0s 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 0.23ms. Allocated memory is still 111.1MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.75ms. Allocated memory is still 159.4MB. Free memory was 114.3MB in the beginning and 103.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.33ms. Allocated memory is still 159.4MB. Free memory was 103.2MB in the beginning and 101.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.82ms. Allocated memory is still 159.4MB. Free memory was 101.7MB in the beginning and 100.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 649.17ms. Allocated memory is still 159.4MB. Free memory was 100.2MB in the beginning and 80.2MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 3012.51ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 80.2MB in the beginning and 92.4MB in the end (delta: -12.2MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * Witness Printer took 56.58ms. Allocated memory is still 205.5MB. Free memory was 92.4MB in the beginning and 90.3MB 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! [2023-11-19 02:40:10,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c68db2-4a20-45e1-a803-cdc6fcd6563d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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)