./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_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_f1de0846-0d2e-465f-97d8-c12c8725bd38/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de0846-0d2e-465f-97d8-c12c8725bd38/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_f1de0846-0d2e-465f-97d8-c12c8725bd38/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de0846-0d2e-465f-97d8-c12c8725bd38/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de0846-0d2e-465f-97d8-c12c8725bd38/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_f1de0846-0d2e-465f-97d8-c12c8725bd38/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 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:51:56,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:51:56,272 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de0846-0d2e-465f-97d8-c12c8725bd38/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:51:56,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:51:56,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:51:56,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:51:56,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:51:56,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:51:56,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:51:56,328 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:51:56,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:51:56,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:51:56,331 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:51:56,332 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:51:56,333 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:51:56,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:51:56,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:51:56,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:51:56,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:51:56,335 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:51:56,335 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:51:56,336 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:51:56,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:51:56,337 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:51:56,337 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:51:56,338 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:51:56,338 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:51:56,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:51:56,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:56,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:51:56,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:51:56,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:51:56,342 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:51:56,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:51:56,342 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:51:56,342 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_f1de0846-0d2e-465f-97d8-c12c8725bd38/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de0846-0d2e-465f-97d8-c12c8725bd38/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b [2023-11-21 18:51:56,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:51:56,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:51:56,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:51:56,689 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:51:56,689 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:51:56,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de0846-0d2e-465f-97d8-c12c8725bd38/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2023-11-21 18:51:59,794 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:52:00,205 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:52:00,205 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de0846-0d2e-465f-97d8-c12c8725bd38/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2023-11-21 18:52:00,227 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de0846-0d2e-465f-97d8-c12c8725bd38/bin/ukojak-verify-i0I2FZA1j2/data/809a15a6f/2ab7185831fd4f839da29dacbef7767f/FLAG0496fa5fd [2023-11-21 18:52:00,243 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de0846-0d2e-465f-97d8-c12c8725bd38/bin/ukojak-verify-i0I2FZA1j2/data/809a15a6f/2ab7185831fd4f839da29dacbef7767f [2023-11-21 18:52:00,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:52:00,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:52:00,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:00,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:52:00,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:52:00,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:00" (1/1) ... [2023-11-21 18:52:00,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b53999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:00, skipping insertion in model container [2023-11-21 18:52:00,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:00" (1/1) ... [2023-11-21 18:52:00,351 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:52:00,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:00,978 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:52:01,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:01,197 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:52:01,205 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:52:01,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:01 WrapperNode [2023-11-21 18:52:01,206 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:01,208 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:01,208 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:52:01,208 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:52:01,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:01" (1/1) ... [2023-11-21 18:52:01,288 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:01" (1/1) ... [2023-11-21 18:52:01,389 INFO L138 Inliner]: procedures = 176, calls = 331, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1500 [2023-11-21 18:52:01,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:01,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:52:01,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:52:01,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:52:01,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:01" (1/1) ... [2023-11-21 18:52:01,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:01" (1/1) ... [2023-11-21 18:52:01,409 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:01" (1/1) ... [2023-11-21 18:52:01,409 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:01" (1/1) ... [2023-11-21 18:52:01,463 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:01" (1/1) ... [2023-11-21 18:52:01,479 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:01" (1/1) ... [2023-11-21 18:52:01,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:01" (1/1) ... [2023-11-21 18:52:01,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:01" (1/1) ... [2023-11-21 18:52:01,506 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:52:01,519 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:52:01,519 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:52:01,519 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:52:01,520 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:01" (1/1) ... [2023-11-21 18:52:01,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:01,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de0846-0d2e-465f-97d8-c12c8725bd38/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:52:01,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de0846-0d2e-465f-97d8-c12c8725bd38/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:52:01,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de0846-0d2e-465f-97d8-c12c8725bd38/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:52:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:52:01,593 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:52:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:52:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:52:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:52:01,594 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:52:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:52:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:52:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:52:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:52:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 18:52:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:52:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:52:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:52:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:52:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:52:01,826 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:52:01,829 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:52:03,613 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:52:05,460 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:52:05,461 INFO L308 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-21 18:52:05,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:05 BoogieIcfgContainer [2023-11-21 18:52:05,463 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:52:05,464 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:52:05,465 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:52:05,475 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:52:05,475 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:05" (1/1) ... [2023-11-21 18:52:05,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:52:05,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:05,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 144 states and 237 transitions. [2023-11-21 18:52:05,561 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 237 transitions. [2023-11-21 18:52:05,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:52:05,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:05,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:05,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:52:05,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:05,891 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 18:52:05,901 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 18:52:05,981 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:52:05,982 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:52:05,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:52:05,991 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 18:52:06,002 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 18:52:06,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:06,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 147 states and 242 transitions. [2023-11-21 18:52:06,064 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 242 transitions. [2023-11-21 18:52:06,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:52:06,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:06,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:06,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:52:06,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:06,229 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 18:52:06,278 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:52:06,279 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:52:06,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:52:06,287 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 18:52:06,293 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 18:52:06,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:06,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 150 states and 247 transitions. [2023-11-21 18:52:06,446 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 247 transitions. [2023-11-21 18:52:06,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:52:06,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:06,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:06,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:52:06,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:06,541 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 18:52:06,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:06,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 150 states and 245 transitions. [2023-11-21 18:52:06,550 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 245 transitions. [2023-11-21 18:52:06,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:52:06,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:06,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:06,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:52:06,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:06,686 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 18:52:06,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:06,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 150 states and 241 transitions. [2023-11-21 18:52:06,694 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 241 transitions. [2023-11-21 18:52:06,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:52:06,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:06,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:06,886 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 18:52:07,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:07,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 150 states and 235 transitions. [2023-11-21 18:52:07,050 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 235 transitions. [2023-11-21 18:52:07,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:52:07,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:07,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:07,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:52:07,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:07,182 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 18:52:07,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:07,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 150 states and 229 transitions. [2023-11-21 18:52:07,197 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 229 transitions. [2023-11-21 18:52:07,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:52:07,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:07,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:07,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:52:07,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:07,404 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 18:52:17,434 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 18:52:17,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:17,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2023-11-21 18:52:17,500 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-11-21 18:52:17,500 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:52:17,501 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-11-21 18:52:17,540 INFO L751 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-11-21 18:52:17,574 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:52:17,578 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:52:17,579 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:52:17,579 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:52:17,579 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2023-11-21 18:52:17,584 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 18:52:17,586 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~#i~0!base] could not be translated [2023-11-21 18:52:17,587 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:52:17,587 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:52:17,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:52:17 ImpRootNode [2023-11-21 18:52:17,588 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:52:17,589 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:52:17,589 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:52:17,589 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:52:17,590 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:05" (3/4) ... [2023-11-21 18:52:17,592 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:52:17,596 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2023-11-21 18:52:17,596 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-21 18:52:17,626 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 253 nodes and edges [2023-11-21 18:52:17,629 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-11-21 18:52:17,632 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-21 18:52:17,635 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:52:17,866 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de0846-0d2e-465f-97d8-c12c8725bd38/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:52:17,866 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de0846-0d2e-465f-97d8-c12c8725bd38/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:52:17,866 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:52:17,867 INFO L158 Benchmark]: Toolchain (without parser) took 17620.22ms. Allocated memory was 140.5MB in the beginning and 278.9MB in the end (delta: 138.4MB). Free memory was 91.9MB in the beginning and 204.5MB in the end (delta: -112.6MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2023-11-21 18:52:17,868 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory was 67.3MB in the beginning and 67.3MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:52:17,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 957.62ms. Allocated memory is still 140.5MB. Free memory was 91.9MB in the beginning and 81.6MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 18:52:17,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 181.74ms. Allocated memory is still 140.5MB. Free memory was 81.6MB in the beginning and 71.9MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 18:52:17,870 INFO L158 Benchmark]: Boogie Preprocessor took 128.05ms. Allocated memory is still 140.5MB. Free memory was 71.9MB in the beginning and 62.1MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:52:17,870 INFO L158 Benchmark]: RCFGBuilder took 3944.37ms. Allocated memory was 140.5MB in the beginning and 216.0MB in the end (delta: 75.5MB). Free memory was 62.1MB in the beginning and 97.7MB in the end (delta: -35.6MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2023-11-21 18:52:17,871 INFO L158 Benchmark]: CodeCheck took 12123.63ms. Allocated memory was 216.0MB in the beginning and 278.9MB in the end (delta: 62.9MB). Free memory was 97.7MB in the beginning and 221.2MB in the end (delta: -123.5MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2023-11-21 18:52:17,871 INFO L158 Benchmark]: Witness Printer took 277.98ms. Allocated memory is still 278.9MB. Free memory was 221.2MB in the beginning and 204.5MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:52:17,875 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: 12.0s, 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, 10.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 141 SdHoareTripleChecker+Invalid, 10.5s 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: 0.2s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s 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 98.6MB. Free memory was 67.3MB in the beginning and 67.3MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 957.62ms. Allocated memory is still 140.5MB. Free memory was 91.9MB in the beginning and 81.6MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 181.74ms. Allocated memory is still 140.5MB. Free memory was 81.6MB in the beginning and 71.9MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 128.05ms. Allocated memory is still 140.5MB. Free memory was 71.9MB in the beginning and 62.1MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3944.37ms. Allocated memory was 140.5MB in the beginning and 216.0MB in the end (delta: 75.5MB). Free memory was 62.1MB in the beginning and 97.7MB in the end (delta: -35.6MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. * CodeCheck took 12123.63ms. Allocated memory was 216.0MB in the beginning and 278.9MB in the end (delta: 62.9MB). Free memory was 97.7MB in the beginning and 221.2MB in the end (delta: -123.5MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. * Witness Printer took 277.98ms. Allocated memory is still 278.9MB. Free memory was 221.2MB in the beginning and 204.5MB in the end (delta: 16.7MB). 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 18:52:17,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de0846-0d2e-465f-97d8-c12c8725bd38/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