./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af801867-cc7e-4dd6-bcd7-e7f408925ad1/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af801867-cc7e-4dd6-bcd7-e7f408925ad1/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af801867-cc7e-4dd6-bcd7-e7f408925ad1/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af801867-cc7e-4dd6-bcd7-e7f408925ad1/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af801867-cc7e-4dd6-bcd7-e7f408925ad1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af801867-cc7e-4dd6-bcd7-e7f408925ad1/bin/ukojak-verify-afCqCEvfdi --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 ffdd9c6c8ed32275119d4b9d2dc66b9f80986fea1a039186a702d6c803e62485 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:19:46,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:19:46,495 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af801867-cc7e-4dd6-bcd7-e7f408925ad1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:19:46,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:19:46,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:19:46,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:19:46,526 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:19:46,527 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:19:46,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:19:46,528 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:19:46,529 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:19:46,529 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:19:46,530 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:19:46,530 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:19:46,531 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:19:46,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:19:46,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:19:46,533 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:19:46,533 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:19:46,534 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:19:46,534 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:19:46,535 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:19:46,536 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:19:46,536 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:19:46,537 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:19:46,537 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:19:46,538 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:19:46,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:19:46,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:46,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:19:46,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:19:46,541 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:19:46,541 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:19:46,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:19:46,542 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:19:46,543 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_af801867-cc7e-4dd6-bcd7-e7f408925ad1/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af801867-cc7e-4dd6-bcd7-e7f408925ad1/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffdd9c6c8ed32275119d4b9d2dc66b9f80986fea1a039186a702d6c803e62485 [2023-11-24 22:19:46,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:19:46,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:19:46,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:19:46,878 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:19:46,879 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:19:46,881 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af801867-cc7e-4dd6-bcd7-e7f408925ad1/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2023-11-24 22:19:49,886 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:19:50,118 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:19:50,128 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af801867-cc7e-4dd6-bcd7-e7f408925ad1/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2023-11-24 22:19:50,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af801867-cc7e-4dd6-bcd7-e7f408925ad1/bin/ukojak-verify-afCqCEvfdi/data/74e9f6311/ce5989031f144c75892d47cf854d974a/FLAG0e38c1675 [2023-11-24 22:19:50,160 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af801867-cc7e-4dd6-bcd7-e7f408925ad1/bin/ukojak-verify-afCqCEvfdi/data/74e9f6311/ce5989031f144c75892d47cf854d974a [2023-11-24 22:19:50,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:19:50,164 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:19:50,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:50,166 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:19:50,171 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:19:50,172 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,173 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a14d503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50, skipping insertion in model container [2023-11-24 22:19:50,173 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,219 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:19:50,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:50,476 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:19:50,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:50,568 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:19:50,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50 WrapperNode [2023-11-24 22:19:50,569 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:50,570 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:50,571 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:19:50,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:19:50,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,604 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,652 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 583 [2023-11-24 22:19:50,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:50,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:19:50,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:19:50,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:19:50,673 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,680 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,693 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,703 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,724 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,726 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,729 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,744 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:19:50,745 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:19:50,745 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:19:50,745 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:19:50,746 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:50,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af801867-cc7e-4dd6-bcd7-e7f408925ad1/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:19:50,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af801867-cc7e-4dd6-bcd7-e7f408925ad1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:19:50,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af801867-cc7e-4dd6-bcd7-e7f408925ad1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:19:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:19:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:19:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:19:50,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:19:50,970 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:19:50,973 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:19:51,001 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 22:19:51,599 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2023-11-24 22:19:51,599 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2023-11-24 22:19:51,599 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:19:51,811 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:19:51,811 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:19:51,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:51 BoogieIcfgContainer [2023-11-24 22:19:51,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:19:51,814 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:19:51,815 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:19:51,825 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:19:51,826 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:19:51,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:51,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 112 states and 190 transitions. [2023-11-24 22:19:51,895 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 190 transitions. [2023-11-24 22:19:51,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:19:51,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:51,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:52,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:52,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:52,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 96 states and 166 transitions. [2023-11-24 22:19:52,098 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 166 transitions. [2023-11-24 22:19:52,100 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:19:52,100 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-11-24 22:19:52,110 INFO L751 CodeCheckObserver]: All specifications hold 5 specifications checked. All of them hold [2023-11-24 22:19:52,202 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,207 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,207 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,208 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,209 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,209 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,209 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,210 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,210 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,211 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,211 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,211 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,211 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,211 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,212 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,212 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,212 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,212 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,212 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,213 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,213 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,213 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,213 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,213 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,214 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,214 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:52,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:19:52 ImpRootNode [2023-11-24 22:19:52,215 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:19:52,216 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:19:52,216 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:19:52,216 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:19:52,217 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:51" (3/4) ... [2023-11-24 22:19:52,219 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:19:52,249 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2023-11-24 22:19:52,251 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-24 22:19:52,252 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 22:19:52,254 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:19:52,478 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af801867-cc7e-4dd6-bcd7-e7f408925ad1/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:19:52,478 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af801867-cc7e-4dd6-bcd7-e7f408925ad1/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:19:52,479 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:19:52,479 INFO L158 Benchmark]: Toolchain (without parser) took 2315.06ms. Allocated memory is still 138.4MB. Free memory was 99.0MB in the beginning and 61.2MB in the end (delta: 37.8MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2023-11-24 22:19:52,480 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:52,480 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.80ms. Allocated memory is still 138.4MB. Free memory was 98.6MB in the beginning and 83.1MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:19:52,481 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.22ms. Allocated memory is still 138.4MB. Free memory was 83.1MB in the beginning and 79.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:19:52,481 INFO L158 Benchmark]: Boogie Preprocessor took 80.65ms. Allocated memory is still 138.4MB. Free memory was 79.7MB in the beginning and 77.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:52,481 INFO L158 Benchmark]: RCFGBuilder took 1068.99ms. Allocated memory is still 138.4MB. Free memory was 77.2MB in the beginning and 90.6MB in the end (delta: -13.3MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2023-11-24 22:19:52,482 INFO L158 Benchmark]: CodeCheck took 400.44ms. Allocated memory is still 138.4MB. Free memory was 90.6MB in the beginning and 71.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:19:52,483 INFO L158 Benchmark]: Witness Printer took 263.36ms. Allocated memory is still 138.4MB. Free memory was 71.7MB in the beginning and 61.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:19:52,485 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, 112 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 18 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 274]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 275]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 275]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 277]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 277]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.80ms. Allocated memory is still 138.4MB. Free memory was 98.6MB in the beginning and 83.1MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.22ms. Allocated memory is still 138.4MB. Free memory was 83.1MB in the beginning and 79.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.65ms. Allocated memory is still 138.4MB. Free memory was 79.7MB in the beginning and 77.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1068.99ms. Allocated memory is still 138.4MB. Free memory was 77.2MB in the beginning and 90.6MB in the end (delta: -13.3MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. * CodeCheck took 400.44ms. Allocated memory is still 138.4MB. Free memory was 90.6MB in the beginning and 71.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 263.36ms. Allocated memory is still 138.4MB. Free memory was 71.7MB in the beginning and 61.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:19:52,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af801867-cc7e-4dd6-bcd7-e7f408925ad1/bin/ukojak-verify-afCqCEvfdi/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