./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0465d923-9382-4c03-93fd-7826339339a4/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0465d923-9382-4c03-93fd-7826339339a4/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_0465d923-9382-4c03-93fd-7826339339a4/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0465d923-9382-4c03-93fd-7826339339a4/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0465d923-9382-4c03-93fd-7826339339a4/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_0465d923-9382-4c03-93fd-7826339339a4/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 0c81340d9d0e66dca5ab126c254e84ac0eff8aac681c837312fa0969b8f7f2ee --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:52:31,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:52:31,564 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0465d923-9382-4c03-93fd-7826339339a4/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:52:31,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:52:31,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:52:31,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:52:31,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:52:31,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:52:31,599 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:52:31,599 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:52:31,600 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:52:31,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:52:31,601 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:52:31,601 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:52:31,602 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:52:31,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:52:31,603 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:52:31,603 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:52:31,603 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:52:31,604 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:52:31,604 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:52:31,605 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:52:31,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:52:31,606 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:52:31,606 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:52:31,607 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:52:31,607 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:52:31,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:52:31,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:31,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:52:31,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:52:31,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:52:31,609 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:52:31,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:52:31,610 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:52:31,610 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_0465d923-9382-4c03-93fd-7826339339a4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0465d923-9382-4c03-93fd-7826339339a4/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c81340d9d0e66dca5ab126c254e84ac0eff8aac681c837312fa0969b8f7f2ee [2023-11-21 18:52:31,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:52:31,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:52:31,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:52:31,975 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:52:31,976 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:52:31,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0465d923-9382-4c03-93fd-7826339339a4/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-3.i [2023-11-21 18:52:35,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:52:36,225 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:52:36,226 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0465d923-9382-4c03-93fd-7826339339a4/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-3.i [2023-11-21 18:52:36,256 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0465d923-9382-4c03-93fd-7826339339a4/bin/ukojak-verify-i0I2FZA1j2/data/ae2fb0d0f/c588d31f6ac24e58afc80cfdae071bec/FLAGe769ae874 [2023-11-21 18:52:36,274 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0465d923-9382-4c03-93fd-7826339339a4/bin/ukojak-verify-i0I2FZA1j2/data/ae2fb0d0f/c588d31f6ac24e58afc80cfdae071bec [2023-11-21 18:52:36,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:52:36,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:52:36,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:36,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:52:36,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:52:36,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:36" (1/1) ... [2023-11-21 18:52:36,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be0bd74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:36, skipping insertion in model container [2023-11-21 18:52:36,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:36" (1/1) ... [2023-11-21 18:52:36,379 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:52:36,765 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:52:37,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:37,279 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:52:37,302 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:52:37,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:37,553 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:52:37,562 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:52:37,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:37 WrapperNode [2023-11-21 18:52:37,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:37,564 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:37,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:52:37,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:52:37,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:37" (1/1) ... [2023-11-21 18:52:37,632 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:37" (1/1) ... [2023-11-21 18:52:37,855 INFO L138 Inliner]: procedures = 178, calls = 440, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1777 [2023-11-21 18:52:37,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:37,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:52:37,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:52:37,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:52:37,878 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:37" (1/1) ... [2023-11-21 18:52:37,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:37" (1/1) ... [2023-11-21 18:52:37,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:37" (1/1) ... [2023-11-21 18:52:37,917 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:37" (1/1) ... [2023-11-21 18:52:38,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:37" (1/1) ... [2023-11-21 18:52:38,048 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:37" (1/1) ... [2023-11-21 18:52:38,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:37" (1/1) ... [2023-11-21 18:52:38,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:37" (1/1) ... [2023-11-21 18:52:38,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:52:38,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:52:38,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:52:38,090 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:52:38,091 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:37" (1/1) ... [2023-11-21 18:52:38,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:38,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0465d923-9382-4c03-93fd-7826339339a4/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:52:38,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0465d923-9382-4c03-93fd-7826339339a4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:52:38,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0465d923-9382-4c03-93fd-7826339339a4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:52:38,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:52:38,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:52:38,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:52:38,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:52:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:52:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:52:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:52:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:52:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:52:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:52:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:52:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:52:38,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:52:38,511 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:52:38,515 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:52:40,596 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:52:43,110 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:52:43,111 INFO L308 CfgBuilder]: Removed 77 assume(true) statements. [2023-11-21 18:52:43,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:43 BoogieIcfgContainer [2023-11-21 18:52:43,114 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:52:43,115 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:52:43,115 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:52:43,127 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:52:43,128 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:43" (1/1) ... [2023-11-21 18:52:43,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:52:43,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:43,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 146 states and 245 transitions. [2023-11-21 18:52:43,256 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 245 transitions. [2023-11-21 18:52:43,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:52:43,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:43,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:43,540 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 18:52:43,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:43,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 145 states and 244 transitions. [2023-11-21 18:52:43,585 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 244 transitions. [2023-11-21 18:52:43,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:52:43,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:43,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:43,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:43,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:52:43,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:43,811 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 18:52:43,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:43,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 148 states and 249 transitions. [2023-11-21 18:52:43,861 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 249 transitions. [2023-11-21 18:52:43,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:52:43,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:43,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:44,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:52:44,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:44,022 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 18:52:44,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:44,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 148 states and 245 transitions. [2023-11-21 18:52:44,042 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 245 transitions. [2023-11-21 18:52:44,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:52:44,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:44,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:44,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:52:44,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:44,211 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 18:52:44,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:44,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 148 states and 237 transitions. [2023-11-21 18:52:44,222 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 237 transitions. [2023-11-21 18:52:44,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:52:44,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:44,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:44,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:52:44,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:44,402 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 18:52:44,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:44,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 148 states and 225 transitions. [2023-11-21 18:52:44,416 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 225 transitions. [2023-11-21 18:52:44,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:52:44,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:44,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:44,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:52:44,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:44,908 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 18:52:54,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:53:05,034 WARN L539 Checker$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 18:53:05,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:05,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 69 transitions. [2023-11-21 18:53:05,127 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 69 transitions. [2023-11-21 18:53:05,127 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:53:05,128 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-11-21 18:53:05,138 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-21 18:53:05,191 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:53:05,196 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:53:05,196 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:53:05,197 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:53:05,197 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:53:05,197 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:53:05,197 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:53:05,198 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:53:05,198 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:53:05,198 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:53:05,198 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:53:05,199 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:53:05,199 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:53:05,199 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:53:05,199 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-21 18:53:05,202 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:53:05,202 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:53:05,203 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:53:05,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:53:05 ImpRootNode [2023-11-21 18:53:05,204 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:53:05,204 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:53:05,204 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:53:05,205 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:53:05,205 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:43" (3/4) ... [2023-11-21 18:53:05,208 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:53:05,212 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-21 18:53:05,252 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 266 nodes and edges [2023-11-21 18:53:05,254 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-21 18:53:05,255 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-21 18:53:05,257 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:53:05,520 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0465d923-9382-4c03-93fd-7826339339a4/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:53:05,520 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0465d923-9382-4c03-93fd-7826339339a4/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:53:05,521 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:53:05,522 INFO L158 Benchmark]: Toolchain (without parser) took 29243.13ms. Allocated memory was 132.1MB in the beginning and 281.0MB in the end (delta: 148.9MB). Free memory was 90.6MB in the beginning and 145.1MB in the end (delta: -54.4MB). Peak memory consumption was 97.1MB. Max. memory is 16.1GB. [2023-11-21 18:53:05,522 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:53:05,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1282.91ms. Allocated memory is still 132.1MB. Free memory was 90.2MB in the beginning and 53.1MB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-21 18:53:05,524 INFO L158 Benchmark]: Boogie Procedure Inliner took 291.82ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 53.1MB in the beginning and 146.7MB in the end (delta: -93.5MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2023-11-21 18:53:05,524 INFO L158 Benchmark]: Boogie Preprocessor took 231.15ms. Allocated memory is still 182.5MB. Free memory was 146.7MB in the beginning and 134.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:53:05,525 INFO L158 Benchmark]: RCFGBuilder took 5025.03ms. Allocated memory was 182.5MB in the beginning and 226.5MB in the end (delta: 44.0MB). Free memory was 134.1MB in the beginning and 134.3MB in the end (delta: -217.9kB). Peak memory consumption was 118.1MB. Max. memory is 16.1GB. [2023-11-21 18:53:05,526 INFO L158 Benchmark]: CodeCheck took 22088.81ms. Allocated memory was 226.5MB in the beginning and 281.0MB in the end (delta: 54.5MB). Free memory was 134.3MB in the beginning and 158.7MB in the end (delta: -24.4MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2023-11-21 18:53:05,526 INFO L158 Benchmark]: Witness Printer took 316.97ms. Allocated memory is still 281.0MB. Free memory was 158.7MB in the beginning and 145.1MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:53:05,530 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, 146 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 22.0s, 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: 0.4s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s 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: 758]: 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: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: 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: 757]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1282.91ms. Allocated memory is still 132.1MB. Free memory was 90.2MB in the beginning and 53.1MB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 291.82ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 53.1MB in the beginning and 146.7MB in the end (delta: -93.5MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 231.15ms. Allocated memory is still 182.5MB. Free memory was 146.7MB in the beginning and 134.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 5025.03ms. Allocated memory was 182.5MB in the beginning and 226.5MB in the end (delta: 44.0MB). Free memory was 134.1MB in the beginning and 134.3MB in the end (delta: -217.9kB). Peak memory consumption was 118.1MB. Max. memory is 16.1GB. * CodeCheck took 22088.81ms. Allocated memory was 226.5MB in the beginning and 281.0MB in the end (delta: 54.5MB). Free memory was 134.3MB in the beginning and 158.7MB in the end (delta: -24.4MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Witness Printer took 316.97ms. Allocated memory is still 281.0MB. Free memory was 158.7MB in the beginning and 145.1MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:53:05,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0465d923-9382-4c03-93fd-7826339339a4/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