./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-regression/volatile_alias.c_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_9b61620d-cf22-4ce6-97ae-f0e6c9e798a8/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b61620d-cf22-4ce6-97ae-f0e6c9e798a8/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_9b61620d-cf22-4ce6-97ae-f0e6c9e798a8/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b61620d-cf22-4ce6-97ae-f0e6c9e798a8/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/volatile_alias.c_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b61620d-cf22-4ce6-97ae-f0e6c9e798a8/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_9b61620d-cf22-4ce6-97ae-f0e6c9e798a8/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 f1bb79a65ae985e12740836541686d88e393fdc93f4f86744adfbdfdcbfcd51e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:05,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:05,683 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b61620d-cf22-4ce6-97ae-f0e6c9e798a8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:52:05,690 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:52:05,691 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:52:05,730 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:05,731 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:52:05,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:52:05,733 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:05,738 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:05,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:05,740 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:52:05,740 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:52:05,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:52:05,743 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:52:05,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:05,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:52:05,745 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:05,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:52:05,746 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:52:05,746 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:52:05,747 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:52:05,748 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:52:05,748 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:05,749 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:05,750 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:05,751 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:05,751 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:05,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:05,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:05,754 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:05,754 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:52:05,755 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:52:05,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:52:05,755 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:52:05,756 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_9b61620d-cf22-4ce6-97ae-f0e6c9e798a8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b61620d-cf22-4ce6-97ae-f0e6c9e798a8/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1bb79a65ae985e12740836541686d88e393fdc93f4f86744adfbdfdcbfcd51e [2023-11-24 22:52:06,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:52:06,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:52:06,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:52:06,152 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:52:06,153 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:52:06,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b61620d-cf22-4ce6-97ae-f0e6c9e798a8/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/ldv-regression/volatile_alias.c_1.i [2023-11-24 22:52:09,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:09,474 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:09,475 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b61620d-cf22-4ce6-97ae-f0e6c9e798a8/sv-benchmarks/c/ldv-regression/volatile_alias.c_1.i [2023-11-24 22:52:09,485 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b61620d-cf22-4ce6-97ae-f0e6c9e798a8/bin/ukojak-verify-afCqCEvfdi/data/2261addbb/122abe7cb5d14d46973c51fce128332e/FLAGdf4927f49 [2023-11-24 22:52:09,505 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b61620d-cf22-4ce6-97ae-f0e6c9e798a8/bin/ukojak-verify-afCqCEvfdi/data/2261addbb/122abe7cb5d14d46973c51fce128332e [2023-11-24 22:52:09,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:09,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:09,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:09,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:09,527 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:09,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:09" (1/1) ... [2023-11-24 22:52:09,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@147c85e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:09, skipping insertion in model container [2023-11-24 22:52:09,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:09" (1/1) ... [2023-11-24 22:52:09,559 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:09,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:09,794 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:09,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:09,831 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:09,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:09 WrapperNode [2023-11-24 22:52:09,832 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:09,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:09,834 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:09,834 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:09,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:09" (1/1) ... [2023-11-24 22:52:09,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:09" (1/1) ... [2023-11-24 22:52:09,875 INFO L138 Inliner]: procedures = 12, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32 [2023-11-24 22:52:09,876 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:09,877 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:09,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:09,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:09,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:09" (1/1) ... [2023-11-24 22:52:09,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:09" (1/1) ... [2023-11-24 22:52:09,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:09" (1/1) ... [2023-11-24 22:52:09,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:09" (1/1) ... [2023-11-24 22:52:09,905 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:09" (1/1) ... [2023-11-24 22:52:09,907 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:09" (1/1) ... [2023-11-24 22:52:09,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:09" (1/1) ... [2023-11-24 22:52:09,915 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:09" (1/1) ... [2023-11-24 22:52:09,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:09,919 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:09,919 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:09,919 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:09,920 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:09" (1/1) ... [2023-11-24 22:52:09,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:09,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b61620d-cf22-4ce6-97ae-f0e6c9e798a8/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:09,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b61620d-cf22-4ce6-97ae-f0e6c9e798a8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:09,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b61620d-cf22-4ce6-97ae-f0e6c9e798a8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:10,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:52:10,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:52:10,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:10,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:52:10,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:52:10,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:52:10,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:52:10,092 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:10,095 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:10,217 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:10,268 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:10,277 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:52:10,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:10 BoogieIcfgContainer [2023-11-24 22:52:10,280 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:10,282 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:10,282 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:10,294 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:10,294 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:10" (1/1) ... [2023-11-24 22:52:10,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:52:10,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:10,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2023-11-24 22:52:10,379 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2023-11-24 22:52:10,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:52:10,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:10,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:10,628 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 22:52:10,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:10,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 5 states and 4 transitions. [2023-11-24 22:52:10,686 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2023-11-24 22:52:10,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:52:10,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:10,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:10,761 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 22:52:10,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:10,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-11-24 22:52:10,778 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-11-24 22:52:10,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:52:10,778 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2023-11-24 22:52:10,789 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-11-24 22:52:10,796 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-24 22:52:10,804 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-24 22:52:10,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:52:10 ImpRootNode [2023-11-24 22:52:10,806 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:52:10,807 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:52:10,807 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:52:10,807 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:52:10,808 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:10" (3/4) ... [2023-11-24 22:52:10,810 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:52:10,817 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-24 22:52:10,817 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-24 22:52:10,818 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 22:52:10,818 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:52:10,908 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b61620d-cf22-4ce6-97ae-f0e6c9e798a8/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:52:10,908 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b61620d-cf22-4ce6-97ae-f0e6c9e798a8/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:52:10,908 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:52:10,909 INFO L158 Benchmark]: Toolchain (without parser) took 1393.87ms. Allocated memory is still 163.6MB. Free memory was 118.9MB in the beginning and 117.4MB in the end (delta: 1.5MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2023-11-24 22:52:10,910 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory was 81.1MB in the beginning and 81.1MB in the end (delta: 27.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:10,911 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.97ms. Allocated memory is still 163.6MB. Free memory was 118.9MB in the beginning and 108.8MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:52:10,912 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.82ms. Allocated memory is still 163.6MB. Free memory was 108.8MB in the beginning and 107.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:52:10,913 INFO L158 Benchmark]: Boogie Preprocessor took 40.32ms. Allocated memory is still 163.6MB. Free memory was 107.3MB in the beginning and 106.3MB in the end (delta: 962.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:10,915 INFO L158 Benchmark]: RCFGBuilder took 361.38ms. Allocated memory is still 163.6MB. Free memory was 106.3MB in the beginning and 95.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:52:10,915 INFO L158 Benchmark]: CodeCheck took 524.56ms. Allocated memory is still 163.6MB. Free memory was 95.9MB in the beginning and 121.6MB in the end (delta: -25.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:10,916 INFO L158 Benchmark]: Witness Printer took 101.84ms. Allocated memory is still 163.6MB. Free memory was 121.6MB in the beginning and 117.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:52:10,925 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, 6 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 0 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory was 81.1MB in the beginning and 81.1MB in the end (delta: 27.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.97ms. Allocated memory is still 163.6MB. Free memory was 118.9MB in the beginning and 108.8MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.82ms. Allocated memory is still 163.6MB. Free memory was 108.8MB in the beginning and 107.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.32ms. Allocated memory is still 163.6MB. Free memory was 107.3MB in the beginning and 106.3MB in the end (delta: 962.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 361.38ms. Allocated memory is still 163.6MB. Free memory was 106.3MB in the beginning and 95.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 524.56ms. Allocated memory is still 163.6MB. Free memory was 95.9MB in the beginning and 121.6MB in the end (delta: -25.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 101.84ms. Allocated memory is still 163.6MB. Free memory was 121.6MB in the beginning and 117.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-24 22:52:10,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b61620d-cf22-4ce6-97ae-f0e6c9e798a8/bin/ukojak-verify-afCqCEvfdi/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