./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_break.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_6b16142d-7649-4b88-93d3-ce512beb603e/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b16142d-7649-4b88-93d3-ce512beb603e/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b16142d-7649-4b88-93d3-ce512beb603e/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b16142d-7649-4b88-93d3-ce512beb603e/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_break.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b16142d-7649-4b88-93d3-ce512beb603e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b16142d-7649-4b88-93d3-ce512beb603e/bin/ukojak-verify-1t5iHCbJaC --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 1cf6b517958e8017b93e9c3e9acb9e36cc315aaa95d19ed1c0795bb5e0096c62 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:11:04,200 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:11:04,277 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b16142d-7649-4b88-93d3-ce512beb603e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:11:04,282 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:11:04,283 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:11:04,341 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:11:04,342 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:11:04,342 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:11:04,344 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:11:04,349 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:11:04,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:11:04,350 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:11:04,350 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:11:04,352 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:11:04,353 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:11:04,353 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:11:04,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:11:04,354 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:11:04,355 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:11:04,355 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:11:04,355 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:11:04,356 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:11:04,356 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:11:04,357 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:11:04,358 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:11:04,358 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:11:04,359 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:11:04,360 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:11:04,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:04,361 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:11:04,362 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:11:04,362 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:11:04,363 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:11:04,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:11:04,363 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:11:04,365 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_6b16142d-7649-4b88-93d3-ce512beb603e/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b16142d-7649-4b88-93d3-ce512beb603e/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cf6b517958e8017b93e9c3e9acb9e36cc315aaa95d19ed1c0795bb5e0096c62 [2023-11-23 20:11:04,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:11:04,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:11:04,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:11:04,726 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:11:04,727 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:11:04,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b16142d-7649-4b88-93d3-ce512beb603e/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/array-industry-pattern/array_of_struct_break.i [2023-11-23 20:11:07,869 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:11:08,106 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:11:08,107 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b16142d-7649-4b88-93d3-ce512beb603e/sv-benchmarks/c/array-industry-pattern/array_of_struct_break.i [2023-11-23 20:11:08,117 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b16142d-7649-4b88-93d3-ce512beb603e/bin/ukojak-verify-1t5iHCbJaC/data/b8feeac65/0bb8443569a44f3d96a93d41f1a07543/FLAGacf836538 [2023-11-23 20:11:08,142 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b16142d-7649-4b88-93d3-ce512beb603e/bin/ukojak-verify-1t5iHCbJaC/data/b8feeac65/0bb8443569a44f3d96a93d41f1a07543 [2023-11-23 20:11:08,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:11:08,152 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:11:08,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:08,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:11:08,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:11:08,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:08" (1/1) ... [2023-11-23 20:11:08,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52d5fa59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:08, skipping insertion in model container [2023-11-23 20:11:08,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:08" (1/1) ... [2023-11-23 20:11:08,207 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:11:08,444 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:10,210 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:11:10,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:10,271 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:11:10,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:10 WrapperNode [2023-11-23 20:11:10,272 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:10,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:10,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:11:10,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:11:10,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:10" (1/1) ... [2023-11-23 20:11:10,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:10" (1/1) ... [2023-11-23 20:11:10,345 INFO L138 Inliner]: procedures = 15, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2023-11-23 20:11:10,345 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:10,346 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:11:10,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:11:10,347 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:11:10,370 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:10" (1/1) ... [2023-11-23 20:11:10,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:10" (1/1) ... [2023-11-23 20:11:10,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:10" (1/1) ... [2023-11-23 20:11:10,382 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:10" (1/1) ... [2023-11-23 20:11:10,393 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:10" (1/1) ... [2023-11-23 20:11:10,398 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:10" (1/1) ... [2023-11-23 20:11:10,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:10" (1/1) ... [2023-11-23 20:11:10,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:10" (1/1) ... [2023-11-23 20:11:10,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:11:10,422 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:11:10,422 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:11:10,423 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:11:10,424 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:10" (1/1) ... [2023-11-23 20:11:10,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:10,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b16142d-7649-4b88-93d3-ce512beb603e/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:11:10,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b16142d-7649-4b88-93d3-ce512beb603e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:11:10,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b16142d-7649-4b88-93d3-ce512beb603e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:11:10,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:11:10,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:11:10,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:11:10,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:11:10,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:11:10,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:11:10,641 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:11:10,644 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:11:10,897 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:11:10,978 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:11:10,978 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:11:10,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:10 BoogieIcfgContainer [2023-11-23 20:11:10,980 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:11:10,982 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:11:10,982 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:11:10,993 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:11:10,994 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:10" (1/1) ... [2023-11-23 20:11:11,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:11:11,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:11,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-23 20:11:11,073 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-23 20:11:11,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:11:11,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:11,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:11,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:11,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:11,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-23 20:11:11,422 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-23 20:11:11,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:11:11,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:11,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:11,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:11,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:11,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-23 20:11:11,535 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-23 20:11:11,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:11:11,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:11,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:11,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:11,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:11,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2023-11-23 20:11:11,684 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-11-23 20:11:11,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:11:11,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:11,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:11,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:11,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:11,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2023-11-23 20:11:11,752 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-23 20:11:11,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:11:11,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:11,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:11,843 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:11,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:11,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2023-11-23 20:11:11,952 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2023-11-23 20:11:11,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:11:11,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:11,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:12,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:11:12,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:12,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2023-11-23 20:11:12,261 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2023-11-23 20:11:12,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:11:12,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:12,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:12,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:12,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:12,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2023-11-23 20:11:12,468 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2023-11-23 20:11:12,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:11:12,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:12,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:12,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:11:12,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:12,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2023-11-23 20:11:12,654 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2023-11-23 20:11:12,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:11:12,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:12,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:12,797 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:12,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:12,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2023-11-23 20:11:12,890 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-11-23 20:11:12,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:11:12,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:12,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:13,042 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:13,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:13,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-23 20:11:13,108 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-23 20:11:13,109 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:11:13,109 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2023-11-23 20:11:13,121 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-23 20:11:13,168 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-23 20:11:13,175 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-23 20:11:13,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:11:13 ImpRootNode [2023-11-23 20:11:13,177 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:11:13,177 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:11:13,177 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:11:13,178 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:11:13,207 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:10" (3/4) ... [2023-11-23 20:11:13,210 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:11:13,218 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-23 20:11:13,219 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-23 20:11:13,219 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 20:11:13,219 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:11:13,320 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b16142d-7649-4b88-93d3-ce512beb603e/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:11:13,320 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b16142d-7649-4b88-93d3-ce512beb603e/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:11:13,320 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:11:13,321 INFO L158 Benchmark]: Toolchain (without parser) took 5168.91ms. Allocated memory was 180.4MB in the beginning and 545.3MB in the end (delta: 364.9MB). Free memory was 150.4MB in the beginning and 375.2MB in the end (delta: -224.8MB). Peak memory consumption was 259.4MB. Max. memory is 16.1GB. [2023-11-23 20:11:13,322 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 119.5MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:11:13,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2113.88ms. Allocated memory was 180.4MB in the beginning and 272.6MB in the end (delta: 92.3MB). Free memory was 150.2MB in the beginning and 81.2MB in the end (delta: 69.1MB). Peak memory consumption was 192.3MB. Max. memory is 16.1GB. [2023-11-23 20:11:13,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.10ms. Allocated memory is still 272.6MB. Free memory was 81.2MB in the beginning and 80.2MB in the end (delta: 938.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:11:13,323 INFO L158 Benchmark]: Boogie Preprocessor took 74.69ms. Allocated memory is still 272.6MB. Free memory was 80.2MB in the beginning and 79.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:11:13,324 INFO L158 Benchmark]: RCFGBuilder took 558.94ms. Allocated memory was 272.6MB in the beginning and 545.3MB in the end (delta: 272.6MB). Free memory was 79.1MB in the beginning and 372.6MB in the end (delta: -293.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-23 20:11:13,324 INFO L158 Benchmark]: CodeCheck took 2195.20ms. Allocated memory is still 545.3MB. Free memory was 372.6MB in the beginning and 258.3MB in the end (delta: 114.3MB). Peak memory consumption was 113.2MB. Max. memory is 16.1GB. [2023-11-23 20:11:13,325 INFO L158 Benchmark]: Witness Printer took 143.17ms. Allocated memory is still 545.3MB. Free memory was 258.3MB in the beginning and 375.2MB in the end (delta: -116.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:11:13,327 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 1 procedures, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 177 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 223 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 591 IncrementalHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 223 mSolverCounterUnsat, 50 mSDtfsCounter, 591 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 632 GetRequests, 578 SyntacticMatches, 14 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 593 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 12/29 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: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: 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: 25]: Loop Invariant Derived loop invariant: ((i == 0) || (1 <= i)) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: ((i == 0) || (1 <= i)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 119.5MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2113.88ms. Allocated memory was 180.4MB in the beginning and 272.6MB in the end (delta: 92.3MB). Free memory was 150.2MB in the beginning and 81.2MB in the end (delta: 69.1MB). Peak memory consumption was 192.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.10ms. Allocated memory is still 272.6MB. Free memory was 81.2MB in the beginning and 80.2MB in the end (delta: 938.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 74.69ms. Allocated memory is still 272.6MB. Free memory was 80.2MB in the beginning and 79.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 558.94ms. Allocated memory was 272.6MB in the beginning and 545.3MB in the end (delta: 272.6MB). Free memory was 79.1MB in the beginning and 372.6MB in the end (delta: -293.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 2195.20ms. Allocated memory is still 545.3MB. Free memory was 372.6MB in the beginning and 258.3MB in the end (delta: 114.3MB). Peak memory consumption was 113.2MB. Max. memory is 16.1GB. * Witness Printer took 143.17ms. Allocated memory is still 545.3MB. Free memory was 258.3MB in the beginning and 375.2MB in the end (delta: -116.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:11:13,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b16142d-7649-4b88-93d3-ce512beb603e/bin/ukojak-verify-1t5iHCbJaC/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