./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.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_e4e5d283-4ed3-4325-a493-c0576f71bf5a/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e5d283-4ed3-4325-a493-c0576f71bf5a/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_e4e5d283-4ed3-4325-a493-c0576f71bf5a/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e5d283-4ed3-4325-a493-c0576f71bf5a/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e5d283-4ed3-4325-a493-c0576f71bf5a/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_e4e5d283-4ed3-4325-a493-c0576f71bf5a/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 67d7a8078c463999fbe6676df51bd105d1b2c9209543e9e47ea1846fac277ca0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:42:27,954 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:42:28,030 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e5d283-4ed3-4325-a493-c0576f71bf5a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:42:28,036 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:42:28,037 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:42:28,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:42:28,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:42:28,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:42:28,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:42:28,068 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:42:28,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:42:28,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:42:28,070 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:42:28,071 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:42:28,072 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:42:28,073 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:42:28,073 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:42:28,074 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:42:28,075 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:42:28,076 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:42:28,077 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:42:28,078 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:42:28,078 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:42:28,079 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:42:28,080 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:42:28,081 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:42:28,081 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:42:28,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:42:28,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:42:28,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:42:28,083 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:42:28,084 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:42:28,084 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:42:28,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:42:28,085 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:42:28,085 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_e4e5d283-4ed3-4325-a493-c0576f71bf5a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e5d283-4ed3-4325-a493-c0576f71bf5a/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67d7a8078c463999fbe6676df51bd105d1b2c9209543e9e47ea1846fac277ca0 [2023-11-21 18:42:28,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:42:28,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:42:28,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:42:28,472 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:42:28,493 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:42:28,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e5d283-4ed3-4325-a493-c0576f71bf5a/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i [2023-11-21 18:42:31,602 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:42:31,952 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:42:31,953 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e5d283-4ed3-4325-a493-c0576f71bf5a/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i [2023-11-21 18:42:31,983 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e5d283-4ed3-4325-a493-c0576f71bf5a/bin/ukojak-verify-i0I2FZA1j2/data/2bb640bef/ecbf636a3e384a028ec6372ad5c948d9/FLAG60ac844fb [2023-11-21 18:42:32,002 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e5d283-4ed3-4325-a493-c0576f71bf5a/bin/ukojak-verify-i0I2FZA1j2/data/2bb640bef/ecbf636a3e384a028ec6372ad5c948d9 [2023-11-21 18:42:32,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:42:32,013 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:42:32,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:42:32,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:42:32,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:42:32,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:42:32" (1/1) ... [2023-11-21 18:42:32,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11599c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:32, skipping insertion in model container [2023-11-21 18:42:32,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:42:32" (1/1) ... [2023-11-21 18:42:32,104 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:42:32,380 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:42:32,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:42:32,843 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:42:32,873 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:42:33,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:42:33,063 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:42:33,073 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:42:33,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:33 WrapperNode [2023-11-21 18:42:33,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:42:33,076 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:42:33,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:42:33,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:42:33,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:33" (1/1) ... [2023-11-21 18:42:33,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:33" (1/1) ... [2023-11-21 18:42:33,232 INFO L138 Inliner]: procedures = 178, calls = 341, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1464 [2023-11-21 18:42:33,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:42:33,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:42:33,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:42:33,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:42:33,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:33" (1/1) ... [2023-11-21 18:42:33,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:33" (1/1) ... [2023-11-21 18:42:33,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:33" (1/1) ... [2023-11-21 18:42:33,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:33" (1/1) ... [2023-11-21 18:42:33,321 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:33" (1/1) ... [2023-11-21 18:42:33,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:33" (1/1) ... [2023-11-21 18:42:33,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:33" (1/1) ... [2023-11-21 18:42:33,352 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:33" (1/1) ... [2023-11-21 18:42:33,380 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:42:33,381 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:42:33,381 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:42:33,382 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:42:33,383 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:33" (1/1) ... [2023-11-21 18:42:33,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:42:33,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e5d283-4ed3-4325-a493-c0576f71bf5a/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:42:33,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e5d283-4ed3-4325-a493-c0576f71bf5a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:42:33,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e5d283-4ed3-4325-a493-c0576f71bf5a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:42:33,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:42:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:42:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:42:33,473 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:42:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:42:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:42:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:42:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:42:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:42:33,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:42:33,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:42:33,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:42:33,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:42:33,757 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:42:33,760 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:42:35,700 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:42:37,466 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:42:37,467 INFO L308 CfgBuilder]: Removed 60 assume(true) statements. [2023-11-21 18:42:37,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:42:37 BoogieIcfgContainer [2023-11-21 18:42:37,469 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:42:37,470 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:42:37,470 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:42:37,481 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:42:37,481 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:42:37" (1/1) ... [2023-11-21 18:42:37,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:42:37,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:37,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 118 states and 196 transitions. [2023-11-21 18:42:37,555 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 196 transitions. [2023-11-21 18:42:37,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:42:37,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:37,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:37,732 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 18:42:37,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:37,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 117 states and 195 transitions. [2023-11-21 18:42:37,755 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 195 transitions. [2023-11-21 18:42:37,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:42:37,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:37,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:37,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:42:37,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:37,867 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 18:42:37,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:37,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 120 states and 200 transitions. [2023-11-21 18:42:37,910 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 200 transitions. [2023-11-21 18:42:37,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:42:37,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:37,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:37,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:42:37,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:37,996 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 18:42:38,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:38,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 120 states and 196 transitions. [2023-11-21 18:42:38,005 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 196 transitions. [2023-11-21 18:42:38,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:42:38,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:38,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:38,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:42:38,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:38,094 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 18:42:38,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:38,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 120 states and 188 transitions. [2023-11-21 18:42:38,103 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 188 transitions. [2023-11-21 18:42:38,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:42:38,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:38,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:38,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:42:38,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:38,292 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 18:42:38,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:38,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 120 states and 176 transitions. [2023-11-21 18:42:38,304 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 176 transitions. [2023-11-21 18:42:38,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:42:38,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:38,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:38,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:42:38,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:38,722 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 18:42:48,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:42:58,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:42:58,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:58,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-11-21 18:42:58,929 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-11-21 18:42:58,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:42:58,930 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-11-21 18:42:58,939 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-21 18:42:58,963 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:42:58,967 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:42:58,968 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:42:58,969 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:42:58,969 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-21 18:42:58,972 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:42:58,973 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:42:58,973 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:42:58,973 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:42:58,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:42:58 ImpRootNode [2023-11-21 18:42:58,976 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:42:58,977 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:42:58,977 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:42:58,977 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:42:58,978 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:42:37" (3/4) ... [2023-11-21 18:42:58,980 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:42:58,984 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-21 18:42:59,030 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 254 nodes and edges [2023-11-21 18:42:59,031 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-21 18:42:59,033 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-21 18:42:59,034 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:42:59,203 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e5d283-4ed3-4325-a493-c0576f71bf5a/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:42:59,204 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e5d283-4ed3-4325-a493-c0576f71bf5a/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:42:59,204 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:42:59,205 INFO L158 Benchmark]: Toolchain (without parser) took 27191.66ms. Allocated memory was 113.2MB in the beginning and 218.1MB in the end (delta: 104.9MB). Free memory was 72.4MB in the beginning and 82.4MB in the end (delta: -10.0MB). Peak memory consumption was 97.5MB. Max. memory is 16.1GB. [2023-11-21 18:42:59,205 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory was 83.3MB in the beginning and 83.3MB in the end (delta: 25.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:42:59,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1058.63ms. Allocated memory was 113.2MB in the beginning and 148.9MB in the end (delta: 35.7MB). Free memory was 72.4MB in the beginning and 101.3MB in the end (delta: -28.8MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2023-11-21 18:42:59,206 INFO L158 Benchmark]: Boogie Procedure Inliner took 157.31ms. Allocated memory is still 148.9MB. Free memory was 101.3MB in the beginning and 92.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 18:42:59,207 INFO L158 Benchmark]: Boogie Preprocessor took 146.80ms. Allocated memory is still 148.9MB. Free memory was 92.1MB in the beginning and 81.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:42:59,207 INFO L158 Benchmark]: RCFGBuilder took 4087.63ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 81.6MB in the beginning and 112.8MB in the end (delta: -31.2MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. [2023-11-21 18:42:59,208 INFO L158 Benchmark]: CodeCheck took 21506.44ms. Allocated memory is still 218.1MB. Free memory was 112.8MB in the beginning and 93.9MB in the end (delta: 18.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:42:59,208 INFO L158 Benchmark]: Witness Printer took 227.57ms. Allocated memory is still 218.1MB. Free memory was 93.9MB in the beginning and 82.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:42:59,211 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 2 procedures, 118 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 21.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 399 SdHoareTripleChecker+Valid, 20.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 132 SdHoareTripleChecker+Invalid, 20.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 132 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 784 GetRequests, 782 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 111 SizeOfPredicates, 0 NumberOfNonLiveVariables, 748 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: 745]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 745]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 739]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 739]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: (i == 0) - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory was 83.3MB in the beginning and 83.3MB in the end (delta: 25.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1058.63ms. Allocated memory was 113.2MB in the beginning and 148.9MB in the end (delta: 35.7MB). Free memory was 72.4MB in the beginning and 101.3MB in the end (delta: -28.8MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 157.31ms. Allocated memory is still 148.9MB. Free memory was 101.3MB in the beginning and 92.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 146.80ms. Allocated memory is still 148.9MB. Free memory was 92.1MB in the beginning and 81.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 4087.63ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 81.6MB in the beginning and 112.8MB in the end (delta: -31.2MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. * CodeCheck took 21506.44ms. Allocated memory is still 218.1MB. Free memory was 112.8MB in the beginning and 93.9MB in the end (delta: 18.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 227.57ms. Allocated memory is still 218.1MB. Free memory was 93.9MB in the beginning and 82.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:42:59,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e5d283-4ed3-4325-a493-c0576f71bf5a/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