./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22f6546-f7da-413e-9c3e-a17981aa9318/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22f6546-f7da-413e-9c3e-a17981aa9318/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22f6546-f7da-413e-9c3e-a17981aa9318/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22f6546-f7da-413e-9c3e-a17981aa9318/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22f6546-f7da-413e-9c3e-a17981aa9318/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22f6546-f7da-413e-9c3e-a17981aa9318/bin/ukojak-verify-EEHR8qb7sm --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 165c3d31baf6e9e6eb3241886fc1e2aed511e6788979a2e699609d2c8b9e748b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:07:58,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:07:58,758 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22f6546-f7da-413e-9c3e-a17981aa9318/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 21:07:58,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:07:58,767 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:07:58,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:07:58,808 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:07:58,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:07:58,809 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:07:58,810 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:07:58,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:07:58,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:07:58,811 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:07:58,811 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:07:58,811 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:07:58,812 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:07:58,812 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:07:58,812 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:07:58,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:07:58,812 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:07:58,813 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:07:58,813 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:07:58,813 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:07:58,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:07:58,813 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:07:58,814 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:07:58,814 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:07:58,814 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:07:58,814 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:07:58,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:07:58,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:07:58,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:07:58,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:07:58,815 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:07:58,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:07:58,815 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a22f6546-f7da-413e-9c3e-a17981aa9318/bin/ukojak-verify-EEHR8qb7sm 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 -> 165c3d31baf6e9e6eb3241886fc1e2aed511e6788979a2e699609d2c8b9e748b [2024-11-13 21:07:59,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:07:59,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:07:59,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:07:59,182 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:07:59,183 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:07:59,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22f6546-f7da-413e-9c3e-a17981aa9318/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i Unable to find full path for "g++" [2024-11-13 21:08:01,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:08:01,550 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:08:01,551 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22f6546-f7da-413e-9c3e-a17981aa9318/sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2024-11-13 21:08:01,564 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22f6546-f7da-413e-9c3e-a17981aa9318/bin/ukojak-verify-EEHR8qb7sm/data/899782de0/3474be97d4a847ccbc66cc92961623c9/FLAG6645f5655 [2024-11-13 21:08:01,592 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22f6546-f7da-413e-9c3e-a17981aa9318/bin/ukojak-verify-EEHR8qb7sm/data/899782de0/3474be97d4a847ccbc66cc92961623c9 [2024-11-13 21:08:01,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:08:01,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:08:01,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:08:01,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:08:01,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:08:01,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:08:01" (1/1) ... [2024-11-13 21:08:01,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d76cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:01, skipping insertion in model container [2024-11-13 21:08:01,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:08:01" (1/1) ... [2024-11-13 21:08:01,632 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:08:01,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:08:01,975 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:08:02,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:08:02,036 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:08:02,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:02 WrapperNode [2024-11-13 21:08:02,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:08:02,038 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:08:02,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:08:02,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:08:02,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:02" (1/1) ... [2024-11-13 21:08:02,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:02" (1/1) ... [2024-11-13 21:08:02,079 INFO L138 Inliner]: procedures = 117, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-13 21:08:02,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:08:02,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:08:02,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:08:02,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:08:02,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:02" (1/1) ... [2024-11-13 21:08:02,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:02" (1/1) ... [2024-11-13 21:08:02,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:02" (1/1) ... [2024-11-13 21:08:02,094 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:02" (1/1) ... [2024-11-13 21:08:02,103 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:02" (1/1) ... [2024-11-13 21:08:02,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:02" (1/1) ... [2024-11-13 21:08:02,112 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:02" (1/1) ... [2024-11-13 21:08:02,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:02" (1/1) ... [2024-11-13 21:08:02,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:08:02,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:08:02,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:08:02,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:08:02,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:02" (1/1) ... [2024-11-13 21:08:02,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:08:02,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22f6546-f7da-413e-9c3e-a17981aa9318/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:08:02,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22f6546-f7da-413e-9c3e-a17981aa9318/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:08:02,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22f6546-f7da-413e-9c3e-a17981aa9318/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:08:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:08:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:08:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:08:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:08:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:08:02,293 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:08:02,295 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:08:02,440 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-13 21:08:02,440 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:08:02,517 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:08:02,517 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:08:02,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:08:02 BoogieIcfgContainer [2024-11-13 21:08:02,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:08:02,519 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:08:02,519 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:08:02,529 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:08:02,530 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:08:02" (1/1) ... [2024-11-13 21:08:02,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:08:02,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:02,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-13 21:08:02,610 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-13 21:08:02,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:08:02,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:02,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:02,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:08:02,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:02,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-13 21:08:02,860 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-13 21:08:02,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:08:02,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:02,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:02,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:08:02,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:02,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-13 21:08:02,940 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-13 21:08:02,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:08:02,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:02,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:03,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:08:03,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:03,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-13 21:08:03,164 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-13 21:08:03,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:08:03,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:03,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:03,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:08:03,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:03,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-13 21:08:03,371 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-13 21:08:03,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:08:03,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:03,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:03,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:08:03,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:03,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-13 21:08:03,594 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-13 21:08:03,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:08:03,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:03,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:03,719 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:08:03,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:03,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2024-11-13 21:08:03,831 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2024-11-13 21:08:03,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:08:03,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:03,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:03,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:08:04,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:04,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-11-13 21:08:04,060 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-13 21:08:04,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:08:04,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:04,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:04,169 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 21:08:04,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:04,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-13 21:08:04,244 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-13 21:08:04,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:08:04,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:04,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:04,365 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:08:05,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:05,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2024-11-13 21:08:05,126 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2024-11-13 21:08:05,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:08:05,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:05,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:05,220 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 21:08:05,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:05,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-11-13 21:08:05,366 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-11-13 21:08:05,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:08:05,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:05,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:05,486 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 21:08:05,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:05,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-11-13 21:08:05,632 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-11-13 21:08:05,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:08:05,632 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2024-11-13 21:08:05,641 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-13 21:08:06,003 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 517) no Hoare annotation was computed. [2024-11-13 21:08:06,003 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:08:06,003 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 520) no Hoare annotation was computed. [2024-11-13 21:08:06,003 INFO L77 FloydHoareUtils]: At program point L531(lines 531 533) the Hoare annotation is: (<= ~num~0 99) [2024-11-13 21:08:06,003 INFO L77 FloydHoareUtils]: At program point L527(lines 527 529) the Hoare annotation is: true [2024-11-13 21:08:06,003 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:08:06,004 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 525 537) the Hoare annotation is: true [2024-11-13 21:08:06,004 INFO L77 FloydHoareUtils]: At program point L517(line 517) the Hoare annotation is: (let ((.cse0 (<= ~num~0 99))) (or (and (<= 0 (+ 2147483647 ~newsize~0)) .cse0 (<= ~newsize~0 1)) (and (< 1 ~newsize~0) (<= ~newsize~0 98) .cse0))) [2024-11-13 21:08:06,004 INFO L77 FloydHoareUtils]: At program point L517-1(line 517) the Hoare annotation is: (let ((.cse0 (<= ~num~0 99))) (or (and (<= 0 (+ 2147483647 ~newsize~0)) .cse0 (<= ~newsize~0 1)) (and (< 1 ~newsize~0) (<= ~newsize~0 98) .cse0))) [2024-11-13 21:08:06,004 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 517) no Hoare annotation was computed. [2024-11-13 21:08:06,004 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 520) no Hoare annotation was computed. [2024-11-13 21:08:06,005 INFO L77 FloydHoareUtils]: At program point L520(line 520) the Hoare annotation is: (let ((.cse0 (<= ~num~0 99))) (or (and .cse0 (<= 1 ~newsize~0) (<= ~newsize~0 1)) (and (<= 0 (+ ~newsize~0 2147483646)) .cse0 (< ~newsize~0 1)) (and (< 1 ~newsize~0) .cse0 (<= ~newsize~0 2147483647)))) [2024-11-13 21:08:06,005 INFO L77 FloydHoareUtils]: At program point L520-1(line 520) the Hoare annotation is: (let ((.cse0 (<= ~num~0 99))) (or (and (<= 0 (+ 2147483647 ~newsize~0)) .cse0 (<= ~newsize~0 1)) (and (< 1 ~newsize~0) .cse0 (<= ~newsize~0 2147483647)))) [2024-11-13 21:08:06,005 INFO L77 FloydHoareUtils]: At program point L516-2(lines 516 522) the Hoare annotation is: (and (<= 0 (+ 2147483647 ~newsize~0)) (<= ~num~0 99)) [2024-11-13 21:08:06,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:08:06 ImpRootNode [2024-11-13 21:08:06,018 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:08:06,018 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:08:06,019 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:08:06,019 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:08:06,019 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:08:02" (3/4) ... [2024-11-13 21:08:06,022 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:08:06,028 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-13 21:08:06,028 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 21:08:06,029 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 21:08:06,029 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:08:06,108 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22f6546-f7da-413e-9c3e-a17981aa9318/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:08:06,108 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22f6546-f7da-413e-9c3e-a17981aa9318/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:08:06,109 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:08:06,110 INFO L158 Benchmark]: Toolchain (without parser) took 4513.07ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 92.9MB in the beginning and 208.4MB in the end (delta: -115.4MB). Peak memory consumption was 115.6MB. Max. memory is 16.1GB. [2024-11-13 21:08:06,110 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:08:06,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.59ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 76.3MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:08:06,110 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.01ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 74.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:08:06,111 INFO L158 Benchmark]: Boogie Preprocessor took 37.86ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 73.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:08:06,111 INFO L158 Benchmark]: RCFGBuilder took 399.14ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 59.6MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:08:06,111 INFO L158 Benchmark]: CodeCheck took 3498.85ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 59.6MB in the beginning and 213.1MB in the end (delta: -153.6MB). Peak memory consumption was 90.4MB. Max. memory is 16.1GB. [2024-11-13 21:08:06,112 INFO L158 Benchmark]: Witness Printer took 90.21ms. Allocated memory is still 352.3MB. Free memory was 213.1MB in the beginning and 208.4MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:08:06,114 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: 3.1s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 362 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 257 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 165 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 889 IncrementalHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 165 mSolverCounterUnsat, 50 mSDtfsCounter, 889 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1010 GetRequests, 906 SyntacticMatches, 40 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1920 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 303 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 54/73 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: 517]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 517]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 520]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 520]: 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: 516]: Loop Invariant Derived loop invariant: ((0 <= ((long long) 2147483647 + newsize)) && (num <= 99)) - InvariantResult [Line: 517]: Location Invariant Derived location invariant: ((((0 <= ((long long) 2147483647 + newsize)) && (num <= 99)) && (newsize <= 1)) || (((1 < newsize) && (newsize <= 98)) && (num <= 99))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 439.59ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 76.3MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.01ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 74.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.86ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 73.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 399.14ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 59.6MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 3498.85ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 59.6MB in the beginning and 213.1MB in the end (delta: -153.6MB). Peak memory consumption was 90.4MB. Max. memory is 16.1GB. * Witness Printer took 90.21ms. Allocated memory is still 352.3MB. Free memory was 213.1MB in the beginning and 208.4MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 21:08:06,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22f6546-f7da-413e-9c3e-a17981aa9318/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE