./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/Division-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_fcd691ae-3b86-4a1e-a7a6-a12eef37015f/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd691ae-3b86-4a1e-a7a6-a12eef37015f/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd691ae-3b86-4a1e-a7a6-a12eef37015f/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd691ae-3b86-4a1e-a7a6-a12eef37015f/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/Division-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd691ae-3b86-4a1e-a7a6-a12eef37015f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd691ae-3b86-4a1e-a7a6-a12eef37015f/bin/ukojak-verify-i0I2FZA1j2 --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 748995aedc1ba148a88b769ef59d17a0b3bfd64d0758afd86740be0cd4b87150 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:54:33,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:54:33,437 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd691ae-3b86-4a1e-a7a6-a12eef37015f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:54:33,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:54:33,450 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:54:33,493 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:54:33,494 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:54:33,495 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:54:33,496 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:54:33,497 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:54:33,497 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:54:33,498 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:54:33,499 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:54:33,499 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:54:33,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:54:33,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:54:33,505 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:54:33,506 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:54:33,506 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:54:33,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:54:33,507 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:54:33,509 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:54:33,509 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:54:33,510 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:54:33,510 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:54:33,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:33,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:54:33,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:54:33,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:54:33,513 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:54:33,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:54:33,515 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:54:33,516 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_fcd691ae-3b86-4a1e-a7a6-a12eef37015f/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd691ae-3b86-4a1e-a7a6-a12eef37015f/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 748995aedc1ba148a88b769ef59d17a0b3bfd64d0758afd86740be0cd4b87150 [2023-11-21 18:54:33,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:54:33,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:54:33,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:54:33,915 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:54:33,915 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:54:33,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd691ae-3b86-4a1e-a7a6-a12eef37015f/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/signedintegeroverflow-regression/Division-1.i [2023-11-21 18:54:37,175 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:54:37,545 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:54:37,550 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd691ae-3b86-4a1e-a7a6-a12eef37015f/sv-benchmarks/c/signedintegeroverflow-regression/Division-1.i [2023-11-21 18:54:37,566 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd691ae-3b86-4a1e-a7a6-a12eef37015f/bin/ukojak-verify-i0I2FZA1j2/data/610450967/93f75e9aa9e54237ab9ba3520f085241/FLAG40ac4d1bd [2023-11-21 18:54:37,588 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd691ae-3b86-4a1e-a7a6-a12eef37015f/bin/ukojak-verify-i0I2FZA1j2/data/610450967/93f75e9aa9e54237ab9ba3520f085241 [2023-11-21 18:54:37,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:54:37,597 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:54:37,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:37,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:54:37,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:54:37,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:37" (1/1) ... [2023-11-21 18:54:37,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@486f115a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:37, skipping insertion in model container [2023-11-21 18:54:37,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:37" (1/1) ... [2023-11-21 18:54:37,666 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:54:37,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:37,991 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:54:38,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:38,063 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:54:38,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:38 WrapperNode [2023-11-21 18:54:38,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:38,065 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:38,066 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:54:38,066 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:54:38,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:38" (1/1) ... [2023-11-21 18:54:38,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:38" (1/1) ... [2023-11-21 18:54:38,113 INFO L138 Inliner]: procedures = 104, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 11 [2023-11-21 18:54:38,113 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:38,114 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:54:38,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:54:38,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:54:38,125 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:38" (1/1) ... [2023-11-21 18:54:38,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:38" (1/1) ... [2023-11-21 18:54:38,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:38" (1/1) ... [2023-11-21 18:54:38,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:38" (1/1) ... [2023-11-21 18:54:38,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:38" (1/1) ... [2023-11-21 18:54:38,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:38" (1/1) ... [2023-11-21 18:54:38,136 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:38" (1/1) ... [2023-11-21 18:54:38,138 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:38" (1/1) ... [2023-11-21 18:54:38,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:54:38,141 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:54:38,141 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:54:38,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:54:38,142 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:38" (1/1) ... [2023-11-21 18:54:38,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:38,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd691ae-3b86-4a1e-a7a6-a12eef37015f/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:54:38,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd691ae-3b86-4a1e-a7a6-a12eef37015f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:54:38,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd691ae-3b86-4a1e-a7a6-a12eef37015f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:54:38,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:54:38,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:54:38,383 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:54:38,385 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:54:38,490 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:54:38,520 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:54:38,521 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:54:38,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:38 BoogieIcfgContainer [2023-11-21 18:54:38,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:54:38,524 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:54:38,525 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:54:38,538 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:54:38,539 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:38" (1/1) ... [2023-11-21 18:54:38,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:54:38,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:38,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2023-11-21 18:54:38,622 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2023-11-21 18:54:38,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-21 18:54:38,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:38,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:38,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:54:38,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:38,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2023-11-21 18:54:38,838 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2023-11-21 18:54:38,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:54:38,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:38,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:54:38,850 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:54:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:54:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:54:38,900 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:54:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:54:38,929 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-21 18:54:38,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:54:38 ImpRootNode [2023-11-21 18:54:38,958 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:54:38,959 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:54:38,959 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:54:38,960 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:54:38,961 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:38" (3/4) ... [2023-11-21 18:54:38,962 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 18:54:39,030 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd691ae-3b86-4a1e-a7a6-a12eef37015f/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:54:39,033 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:54:39,036 INFO L158 Benchmark]: Toolchain (without parser) took 1437.77ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 85.8MB in the beginning and 116.0MB in the end (delta: -30.2MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2023-11-21 18:54:39,039 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 130.0MB. Free memory was 105.2MB in the beginning and 105.2MB in the end (delta: 81.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:54:39,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 465.08ms. Allocated memory is still 130.0MB. Free memory was 85.5MB in the beginning and 71.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:54:39,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.32ms. Allocated memory is still 130.0MB. Free memory was 71.5MB in the beginning and 69.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:39,047 INFO L158 Benchmark]: Boogie Preprocessor took 25.37ms. Allocated memory is still 130.0MB. Free memory was 69.7MB in the beginning and 68.7MB in the end (delta: 974.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:54:39,048 INFO L158 Benchmark]: RCFGBuilder took 382.90ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 68.7MB in the beginning and 130.7MB in the end (delta: -62.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-11-21 18:54:39,049 INFO L158 Benchmark]: CodeCheck took 433.42ms. Allocated memory is still 161.5MB. Free memory was 130.7MB in the beginning and 117.8MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:54:39,053 INFO L158 Benchmark]: Witness Printer took 75.19ms. Allocated memory is still 161.5MB. Free memory was 117.8MB in the beginning and 116.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:39,060 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, 10 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 0 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 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, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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 - CounterExampleResult [Line: 333]: integer overflow possible integer overflow possible We found a FailurePath: [L332] int minInt = -2147483647 - 1; VAL [minInt=-2147483648] [L333] minInt / -1 VAL [minInt=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 130.0MB. Free memory was 105.2MB in the beginning and 105.2MB in the end (delta: 81.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 465.08ms. Allocated memory is still 130.0MB. Free memory was 85.5MB in the beginning and 71.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.32ms. Allocated memory is still 130.0MB. Free memory was 71.5MB in the beginning and 69.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.37ms. Allocated memory is still 130.0MB. Free memory was 69.7MB in the beginning and 68.7MB in the end (delta: 974.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 382.90ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 68.7MB in the beginning and 130.7MB in the end (delta: -62.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * CodeCheck took 433.42ms. Allocated memory is still 161.5MB. Free memory was 130.7MB in the beginning and 117.8MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 75.19ms. Allocated memory is still 161.5MB. Free memory was 117.8MB in the beginning and 116.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-21 18:54:39,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd691ae-3b86-4a1e-a7a6-a12eef37015f/bin/ukojak-verify-i0I2FZA1j2/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)