./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_ddb1be04-9df9-4e17-be39-740cf5f8f8fa/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb1be04-9df9-4e17-be39-740cf5f8f8fa/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb1be04-9df9-4e17-be39-740cf5f8f8fa/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb1be04-9df9-4e17-be39-740cf5f8f8fa/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb1be04-9df9-4e17-be39-740cf5f8f8fa/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb1be04-9df9-4e17-be39-740cf5f8f8fa/bin/ukojak-verify-i0I2FZA1j2 --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 9e43379b3f2624d77eec1084820c7c07499f5ec4432514ab066d4f5cf96eeebc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:39:26,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:39:26,509 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb1be04-9df9-4e17-be39-740cf5f8f8fa/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:39:26,516 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:39:26,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:39:26,564 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:39:26,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:39:26,566 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:39:26,567 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:39:26,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:39:26,574 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:39:26,574 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:39:26,575 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:39:26,576 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:39:26,578 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:39:26,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:39:26,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:39:26,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:39:26,580 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:39:26,580 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:39:26,581 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:39:26,583 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:39:26,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:39:26,583 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:39:26,584 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:39:26,585 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:39:26,585 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:39:26,586 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:39:26,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:26,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:39:26,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:39:26,589 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:39:26,589 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:39:26,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:39:26,589 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:39:26,590 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_ddb1be04-9df9-4e17-be39-740cf5f8f8fa/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb1be04-9df9-4e17-be39-740cf5f8f8fa/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e43379b3f2624d77eec1084820c7c07499f5ec4432514ab066d4f5cf96eeebc [2023-11-21 18:39:26,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:39:26,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:39:26,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:39:26,964 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:39:26,964 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:39:26,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb1be04-9df9-4e17-be39-740cf5f8f8fa/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i [2023-11-21 18:39:30,177 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:39:30,572 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:39:30,573 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb1be04-9df9-4e17-be39-740cf5f8f8fa/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i [2023-11-21 18:39:30,599 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb1be04-9df9-4e17-be39-740cf5f8f8fa/bin/ukojak-verify-i0I2FZA1j2/data/d2c442321/9fa7b4e31db24521b6957ac82e2406e5/FLAG128fe4f49 [2023-11-21 18:39:30,619 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb1be04-9df9-4e17-be39-740cf5f8f8fa/bin/ukojak-verify-i0I2FZA1j2/data/d2c442321/9fa7b4e31db24521b6957ac82e2406e5 [2023-11-21 18:39:30,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:39:30,629 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:39:30,634 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:30,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:39:30,641 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:39:30,642 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:30" (1/1) ... [2023-11-21 18:39:30,643 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e3f0e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:30, skipping insertion in model container [2023-11-21 18:39:30,643 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:30" (1/1) ... [2023-11-21 18:39:30,733 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:39:31,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:31,445 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:39:31,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:31,654 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:39:31,663 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:39:31,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:31 WrapperNode [2023-11-21 18:39:31,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:31,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:31,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:39:31,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:39:31,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:31" (1/1) ... [2023-11-21 18:39:31,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:31" (1/1) ... [2023-11-21 18:39:31,846 INFO L138 Inliner]: procedures = 176, calls = 331, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1500 [2023-11-21 18:39:31,853 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:31,854 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:39:31,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:39:31,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:39:31,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:31" (1/1) ... [2023-11-21 18:39:31,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:31" (1/1) ... [2023-11-21 18:39:31,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:31" (1/1) ... [2023-11-21 18:39:31,912 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:31" (1/1) ... [2023-11-21 18:39:31,976 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:31" (1/1) ... [2023-11-21 18:39:32,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:31" (1/1) ... [2023-11-21 18:39:32,025 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:31" (1/1) ... [2023-11-21 18:39:32,053 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:31" (1/1) ... [2023-11-21 18:39:32,067 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:39:32,068 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:39:32,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:39:32,069 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:39:32,070 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:31" (1/1) ... [2023-11-21 18:39:32,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:32,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb1be04-9df9-4e17-be39-740cf5f8f8fa/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:39:32,103 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb1be04-9df9-4e17-be39-740cf5f8f8fa/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:39:32,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb1be04-9df9-4e17-be39-740cf5f8f8fa/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:39:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:39:32,150 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:39:32,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:39:32,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:39:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:39:32,152 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:39:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:39:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:39:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:39:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:39:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 18:39:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:39:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:39:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:39:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:39:32,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:39:32,406 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:39:32,409 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:39:34,120 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:39:36,061 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:39:36,061 INFO L308 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-21 18:39:36,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:36 BoogieIcfgContainer [2023-11-21 18:39:36,063 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:39:36,065 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:39:36,065 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:39:36,081 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:39:36,082 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:36" (1/1) ... [2023-11-21 18:39:36,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:39:36,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:36,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 144 states and 237 transitions. [2023-11-21 18:39:36,187 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 237 transitions. [2023-11-21 18:39:36,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:39:36,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:36,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:36,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:39:36,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:36,549 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 6 treesize of output 5 [2023-11-21 18:39:36,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-21 18:39:36,625 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:39:36,627 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:39:36,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:39:36,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-21 18:39:36,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:36,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:36,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 147 states and 242 transitions. [2023-11-21 18:39:36,728 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 242 transitions. [2023-11-21 18:39:36,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:39:36,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:36,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:36,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:39:36,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:36,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-21 18:39:36,960 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:39:36,961 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:39:36,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:39:36,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-21 18:39:36,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:37,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:37,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 150 states and 247 transitions. [2023-11-21 18:39:37,146 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 247 transitions. [2023-11-21 18:39:37,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:39:37,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:37,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:37,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:39:37,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:37,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:37,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:37,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 150 states and 245 transitions. [2023-11-21 18:39:37,303 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 245 transitions. [2023-11-21 18:39:37,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:39:37,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:37,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:37,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:39:37,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:37,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:37,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:37,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 150 states and 241 transitions. [2023-11-21 18:39:37,426 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 241 transitions. [2023-11-21 18:39:37,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:39:37,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:37,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:37,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:37,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:37,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 150 states and 235 transitions. [2023-11-21 18:39:37,873 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 235 transitions. [2023-11-21 18:39:37,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:39:37,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:37,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:37,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:39:37,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:37,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:37,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:37,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 150 states and 229 transitions. [2023-11-21 18:39:37,992 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 229 transitions. [2023-11-21 18:39:37,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:39:37,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:37,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:38,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:39:38,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:38,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:48,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:39:48,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:48,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2023-11-21 18:39:48,262 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-11-21 18:39:48,262 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:39:48,262 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-11-21 18:39:48,272 INFO L751 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-11-21 18:39:48,300 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:39:48,304 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:39:48,304 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:39:48,304 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:39:48,304 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2023-11-21 18:39:48,309 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 18:39:48,310 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~#i~0!base] could not be translated [2023-11-21 18:39:48,311 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:39:48,311 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:39:48,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:39:48 ImpRootNode [2023-11-21 18:39:48,313 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:39:48,314 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:39:48,314 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:39:48,314 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:39:48,315 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:36" (3/4) ... [2023-11-21 18:39:48,317 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:39:48,320 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2023-11-21 18:39:48,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-21 18:39:48,356 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 253 nodes and edges [2023-11-21 18:39:48,359 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-11-21 18:39:48,362 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-21 18:39:48,364 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:39:48,596 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb1be04-9df9-4e17-be39-740cf5f8f8fa/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:39:48,596 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb1be04-9df9-4e17-be39-740cf5f8f8fa/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:39:48,597 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:39:48,597 INFO L158 Benchmark]: Toolchain (without parser) took 17967.92ms. Allocated memory was 186.6MB in the beginning and 234.9MB in the end (delta: 48.2MB). Free memory was 146.4MB in the beginning and 58.0MB in the end (delta: 88.4MB). Peak memory consumption was 138.7MB. Max. memory is 16.1GB. [2023-11-21 18:39:48,598 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:39:48,598 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1029.72ms. Allocated memory is still 186.6MB. Free memory was 145.8MB in the beginning and 112.3MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-21 18:39:48,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 188.65ms. Allocated memory is still 186.6MB. Free memory was 111.8MB in the beginning and 102.8MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 18:39:48,599 INFO L158 Benchmark]: Boogie Preprocessor took 213.13ms. Allocated memory is still 186.6MB. Free memory was 102.8MB in the beginning and 143.4MB in the end (delta: -40.6MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2023-11-21 18:39:48,600 INFO L158 Benchmark]: RCFGBuilder took 3995.22ms. Allocated memory was 186.6MB in the beginning and 234.9MB in the end (delta: 48.2MB). Free memory was 143.4MB in the beginning and 107.5MB in the end (delta: 35.9MB). Peak memory consumption was 136.6MB. Max. memory is 16.1GB. [2023-11-21 18:39:48,600 INFO L158 Benchmark]: CodeCheck took 12248.86ms. Allocated memory is still 234.9MB. Free memory was 106.4MB in the beginning and 74.8MB in the end (delta: 31.7MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2023-11-21 18:39:48,601 INFO L158 Benchmark]: Witness Printer took 282.68ms. Allocated memory is still 234.9MB. Free memory was 74.8MB in the beginning and 58.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:39:48,603 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, 144 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 12.1s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 372 SdHoareTripleChecker+Valid, 10.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 141 SdHoareTripleChecker+Invalid, 10.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 207 IncrementalHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 141 mSDtfsCounter, 207 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 624 GetRequests, 606 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 141 SizeOfPredicates, 9 NumberOfNonLiveVariables, 745 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 - PositiveResult [Line: 721]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 721]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 715]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 715]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 724]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 724]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1029.72ms. Allocated memory is still 186.6MB. Free memory was 145.8MB in the beginning and 112.3MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 188.65ms. Allocated memory is still 186.6MB. Free memory was 111.8MB in the beginning and 102.8MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 213.13ms. Allocated memory is still 186.6MB. Free memory was 102.8MB in the beginning and 143.4MB in the end (delta: -40.6MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3995.22ms. Allocated memory was 186.6MB in the beginning and 234.9MB in the end (delta: 48.2MB). Free memory was 143.4MB in the beginning and 107.5MB in the end (delta: 35.9MB). Peak memory consumption was 136.6MB. Max. memory is 16.1GB. * CodeCheck took 12248.86ms. Allocated memory is still 234.9MB. Free memory was 106.4MB in the beginning and 74.8MB in the end (delta: 31.7MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Witness Printer took 282.68ms. Allocated memory is still 234.9MB. Free memory was 74.8MB in the beginning and 58.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~#i~0!base] could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-21 18:39:48,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb1be04-9df9-4e17-be39-740cf5f8f8fa/bin/ukojak-verify-i0I2FZA1j2/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 Result: TRUE