./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_a9684ffc-e5d2-4a67-a63b-5e9f485edc3e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9684ffc-e5d2-4a67-a63b-5e9f485edc3e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9684ffc-e5d2-4a67-a63b-5e9f485edc3e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9684ffc-e5d2-4a67-a63b-5e9f485edc3e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9684ffc-e5d2-4a67-a63b-5e9f485edc3e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9684ffc-e5d2-4a67-a63b-5e9f485edc3e/bin/ukojak-verify-ImItNfHLgk --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 64bit --witnessprinter.graph.data.programhash 5dfaa1e7d8e11d61c3d4d0b8b3724f22fd323b68a720b01bc26596e3781d27f8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:05:40,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:40,256 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9684ffc-e5d2-4a67-a63b-5e9f485edc3e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:05:40,262 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:05:40,263 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:05:40,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:40,299 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:40,300 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:40,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:40,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:40,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:40,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:40,305 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:05:40,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:40,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:40,309 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:40,309 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:40,309 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:40,310 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:05:40,310 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:05:40,310 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:40,311 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:40,312 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:40,312 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:40,312 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:40,314 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:40,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:40,315 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:40,315 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:40,316 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:40,316 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:05:40,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:05:40,317 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_a9684ffc-e5d2-4a67-a63b-5e9f485edc3e/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9684ffc-e5d2-4a67-a63b-5e9f485edc3e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5dfaa1e7d8e11d61c3d4d0b8b3724f22fd323b68a720b01bc26596e3781d27f8 [2024-11-08 22:05:40,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:40,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:40,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:40,628 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:40,629 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:40,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9684ffc-e5d2-4a67-a63b-5e9f485edc3e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i Unable to find full path for "g++" [2024-11-08 22:05:42,817 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:05:43,138 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:05:43,140 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9684ffc-e5d2-4a67-a63b-5e9f485edc3e/sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i [2024-11-08 22:05:43,151 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9684ffc-e5d2-4a67-a63b-5e9f485edc3e/bin/ukojak-verify-ImItNfHLgk/data/6a5ecd834/83af88628c154ccaafdcdcae7b288ae0/FLAG66b414756 [2024-11-08 22:05:43,165 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9684ffc-e5d2-4a67-a63b-5e9f485edc3e/bin/ukojak-verify-ImItNfHLgk/data/6a5ecd834/83af88628c154ccaafdcdcae7b288ae0 [2024-11-08 22:05:43,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:05:43,170 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:05:43,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:43,171 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:05:43,177 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:05:43,178 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1587d509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43, skipping insertion in model container [2024-11-08 22:05:43,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,236 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:05:43,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:43,628 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:05:43,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:43,700 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:05:43,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43 WrapperNode [2024-11-08 22:05:43,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:43,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:43,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:05:43,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:05:43,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,751 INFO L138 Inliner]: procedures = 111, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2024-11-08 22:05:43,752 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:43,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:05:43,753 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:05:43,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:05:43,763 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,766 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,766 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,771 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,777 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:05:43,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:05:43,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:05:43,781 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:05:43,782 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:43,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9684ffc-e5d2-4a67-a63b-5e9f485edc3e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:05:43,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9684ffc-e5d2-4a67-a63b-5e9f485edc3e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:05:43,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9684ffc-e5d2-4a67-a63b-5e9f485edc3e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:05:43,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:05:43,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:05:43,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:05:43,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:05:43,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:05:43,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:05:43,975 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:05:43,977 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:05:44,117 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 22:05:44,118 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:05:44,158 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:05:44,158 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:05:44,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:44 BoogieIcfgContainer [2024-11-08 22:05:44,159 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:05:44,159 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:05:44,160 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:05:44,172 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:05:44,172 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:44" (1/1) ... [2024-11-08 22:05:44,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:05:44,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:44,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-08 22:05:44,240 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-08 22:05:44,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:05:44,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:44,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:44,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:05:45,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:45,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-08 22:05:45,102 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-08 22:05:45,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:05:45,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:45,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:45,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:05:45,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:45,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-08 22:05:45,479 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-08 22:05:45,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:05:45,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:45,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:45,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:05:45,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:45,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-08 22:05:45,593 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-08 22:05:45,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:05:45,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:45,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:45,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:05:46,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:46,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-11-08 22:05:46,333 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-08 22:05:46,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:05:46,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:46,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:46,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:05:47,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:47,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2024-11-08 22:05:47,051 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2024-11-08 22:05:47,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:05:47,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:47,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:47,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:05:47,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:47,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-11-08 22:05:47,215 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-11-08 22:05:47,215 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:05:47,216 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-08 22:05:47,225 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-08 22:05:47,333 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 555) no Hoare annotation was computed. [2024-11-08 22:05:47,333 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:05:47,333 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 556) no Hoare annotation was computed. [2024-11-08 22:05:47,334 INFO L77 FloydHoareUtils]: At program point L556(line 556) the Hoare annotation is: (and (<= 0 (+ 2147483649 |ULTIMATE.start_test_fun_#t~mem9#1|)) (<= |ULTIMATE.start_test_fun_#t~mem9#1| 2147483646)) [2024-11-08 22:05:47,334 INFO L77 FloydHoareUtils]: At program point L556-1(line 556) the Hoare annotation is: (and (<= 0 (+ 2147483649 |ULTIMATE.start_test_fun_#t~mem9#1|)) (<= |ULTIMATE.start_test_fun_#t~mem9#1| 2147483646)) [2024-11-08 22:05:47,334 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:05:47,335 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 555) no Hoare annotation was computed. [2024-11-08 22:05:47,335 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 556) no Hoare annotation was computed. [2024-11-08 22:05:47,335 INFO L77 FloydHoareUtils]: At program point L555-1(line 555) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|))) (and (or (< .cse0 2147483647) (not |ULTIMATE.start_test_fun_#t~short8#1|)) (<= 0 (+ .cse0 2147483648)))) [2024-11-08 22:05:47,336 INFO L77 FloydHoareUtils]: At program point L555-2(line 555) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|))) (and (<= .cse0 2147483646) (<= 0 (+ |ULTIMATE.start_test_fun_#t~mem6#1| 2147483648)) (<= |ULTIMATE.start_test_fun_#t~mem6#1| .cse0))) [2024-11-08 22:05:47,337 INFO L77 FloydHoareUtils]: At program point L555-3(line 555) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|))) (and (<= .cse0 2147483646) (<= |ULTIMATE.start_test_fun_#t~mem6#1| 2147483646) (<= 0 (+ 2147483649 .cse0)))) [2024-11-08 22:05:47,337 INFO L77 FloydHoareUtils]: At program point L555-5(lines 555 557) the Hoare annotation is: (or (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|))) (and (<= .cse0 2147483646) (<= 0 (+ 2147483649 .cse0)))) (not |ULTIMATE.start_test_fun_#t~short8#1|)) [2024-11-08 22:05:47,337 INFO L77 FloydHoareUtils]: At program point L555-7(lines 555 557) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|) 2147483648)) [2024-11-08 22:05:47,337 INFO L77 FloydHoareUtils]: At program point L555-8(lines 555 557) the Hoare annotation is: true [2024-11-08 22:05:47,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:05:47 ImpRootNode [2024-11-08 22:05:47,356 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:05:47,357 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:05:47,357 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:05:47,357 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:05:47,358 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:44" (3/4) ... [2024-11-08 22:05:47,361 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:05:47,371 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-08 22:05:47,372 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 22:05:47,372 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 22:05:47,373 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:05:47,477 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9684ffc-e5d2-4a67-a63b-5e9f485edc3e/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:05:47,478 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9684ffc-e5d2-4a67-a63b-5e9f485edc3e/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:05:47,478 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:05:47,478 INFO L158 Benchmark]: Toolchain (without parser) took 4308.87ms. Allocated memory was 148.9MB in the beginning and 207.6MB in the end (delta: 58.7MB). Free memory was 114.5MB in the beginning and 93.5MB in the end (delta: 21.0MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. [2024-11-08 22:05:47,479 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 109.1MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:47,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.71ms. Allocated memory is still 148.9MB. Free memory was 114.5MB in the beginning and 96.2MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:05:47,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.69ms. Allocated memory is still 148.9MB. Free memory was 96.2MB in the beginning and 94.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:47,480 INFO L158 Benchmark]: Boogie Preprocessor took 26.34ms. Allocated memory is still 148.9MB. Free memory was 94.1MB in the beginning and 93.2MB in the end (delta: 897.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:47,480 INFO L158 Benchmark]: RCFGBuilder took 378.80ms. Allocated memory is still 148.9MB. Free memory was 92.8MB in the beginning and 78.8MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:05:47,481 INFO L158 Benchmark]: CodeCheck took 3196.56ms. Allocated memory was 148.9MB in the beginning and 207.6MB in the end (delta: 58.7MB). Free memory was 78.8MB in the beginning and 98.8MB in the end (delta: -20.0MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2024-11-08 22:05:47,481 INFO L158 Benchmark]: Witness Printer took 121.21ms. Allocated memory is still 207.6MB. Free memory was 98.8MB in the beginning and 93.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:05:47,483 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: 3.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 109 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 286 IncrementalHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 109 mSolverCounterUnsat, 20 mSDtfsCounter, 286 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 305 GetRequests, 253 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 777 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 149 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 3/3 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: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 556]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 109.1MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.71ms. Allocated memory is still 148.9MB. Free memory was 114.5MB in the beginning and 96.2MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.69ms. Allocated memory is still 148.9MB. Free memory was 96.2MB in the beginning and 94.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.34ms. Allocated memory is still 148.9MB. Free memory was 94.1MB in the beginning and 93.2MB in the end (delta: 897.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 378.80ms. Allocated memory is still 148.9MB. Free memory was 92.8MB in the beginning and 78.8MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 3196.56ms. Allocated memory was 148.9MB in the beginning and 207.6MB in the end (delta: 58.7MB). Free memory was 78.8MB in the beginning and 98.8MB in the end (delta: -20.0MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. * Witness Printer took 121.21ms. Allocated memory is still 207.6MB. Free memory was 98.8MB in the beginning and 93.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 22:05:47,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9684ffc-e5d2-4a67-a63b-5e9f485edc3e/bin/ukojak-verify-ImItNfHLgk/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