./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_11a-equ_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e519f3a 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_6a09e52f-560d-417b-a4cc-6fedd4305854/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a09e52f-560d-417b-a4cc-6fedd4305854/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a09e52f-560d-417b-a4cc-6fedd4305854/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a09e52f-560d-417b-a4cc-6fedd4305854/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_11a-equ_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a09e52f-560d-417b-a4cc-6fedd4305854/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a09e52f-560d-417b-a4cc-6fedd4305854/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ae344c6ba282c956275e824e33ce3fb7903cfcf4f1d8d86b2dd8809a46e14d8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:58:10,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:58:10,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:58:10,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:58:10,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:58:10,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:58:10,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:58:10,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:58:10,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:58:10,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:58:10,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:58:10,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:58:10,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:58:10,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:58:10,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:58:10,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:58:10,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:58:10,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:58:10,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:58:10,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:58:10,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:58:10,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:58:10,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:58:10,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:58:10,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:58:10,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:58:10,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:58:10,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:58:10,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:58:10,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:58:10,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:58:10,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:58:10,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:58:10,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:58:10,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:58:10,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:58:10,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:58:10,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:58:10,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:58:10,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:58:10,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:58:10,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a09e52f-560d-417b-a4cc-6fedd4305854/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-02 20:58:10,417 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:58:10,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:58:10,418 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:58:10,418 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:58:10,419 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:58:10,419 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:58:10,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:58:10,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:58:10,420 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:58:10,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:58:10,421 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:58:10,422 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:58:10,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:58:10,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:58:10,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:58:10,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:58:10,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:58:10,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:58:10,423 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-02 20:58:10,423 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:58:10,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:58:10,424 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:58:10,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:58:10,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:58:10,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:58:10,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:58:10,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:58:10,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:58:10,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:58:10,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:58:10,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:58:10,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:58:10,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:58:10,427 INFO L138 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_6a09e52f-560d-417b-a4cc-6fedd4305854/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a09e52f-560d-417b-a4cc-6fedd4305854/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ae344c6ba282c956275e824e33ce3fb7903cfcf4f1d8d86b2dd8809a46e14d8 [2022-11-02 20:58:10,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:58:10,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:58:10,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:58:10,721 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:58:10,721 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:58:10,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a09e52f-560d-417b-a4cc-6fedd4305854/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/goblint-regression/06-symbeq_11a-equ_nr.i [2022-11-02 20:58:10,782 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a09e52f-560d-417b-a4cc-6fedd4305854/bin/uautomizer-Dbtcem3rbc/data/e6261f932/8be2dc99e4a04e17832dde30999e50f7/FLAG9268d71b2 [2022-11-02 20:58:11,303 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:58:11,304 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a09e52f-560d-417b-a4cc-6fedd4305854/sv-benchmarks/c/goblint-regression/06-symbeq_11a-equ_nr.i [2022-11-02 20:58:11,319 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a09e52f-560d-417b-a4cc-6fedd4305854/bin/uautomizer-Dbtcem3rbc/data/e6261f932/8be2dc99e4a04e17832dde30999e50f7/FLAG9268d71b2 [2022-11-02 20:58:11,618 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a09e52f-560d-417b-a4cc-6fedd4305854/bin/uautomizer-Dbtcem3rbc/data/e6261f932/8be2dc99e4a04e17832dde30999e50f7 [2022-11-02 20:58:11,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:58:11,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:58:11,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:58:11,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:58:11,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:58:11,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:58:11" (1/1) ... [2022-11-02 20:58:11,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e06b8e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:11, skipping insertion in model container [2022-11-02 20:58:11,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:58:11" (1/1) ... [2022-11-02 20:58:11,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:58:11,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:58:12,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:58:12,269 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:58:12,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:58:12,397 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:58:12,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:12 WrapperNode [2022-11-02 20:58:12,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:58:12,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:58:12,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:58:12,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:58:12,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:12" (1/1) ... [2022-11-02 20:58:12,446 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:12" (1/1) ... [2022-11-02 20:58:12,481 INFO L138 Inliner]: procedures = 265, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 65 [2022-11-02 20:58:12,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:58:12,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:58:12,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:58:12,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:58:12,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:12" (1/1) ... [2022-11-02 20:58:12,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:12" (1/1) ... [2022-11-02 20:58:12,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:12" (1/1) ... [2022-11-02 20:58:12,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:12" (1/1) ... [2022-11-02 20:58:12,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:12" (1/1) ... [2022-11-02 20:58:12,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:12" (1/1) ... [2022-11-02 20:58:12,503 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:12" (1/1) ... [2022-11-02 20:58:12,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:12" (1/1) ... [2022-11-02 20:58:12,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:58:12,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:58:12,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:58:12,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:58:12,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:12" (1/1) ... [2022-11-02 20:58:12,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:58:12,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a09e52f-560d-417b-a4cc-6fedd4305854/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:12,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a09e52f-560d-417b-a4cc-6fedd4305854/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:12,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a09e52f-560d-417b-a4cc-6fedd4305854/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:58:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:58:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:58:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:58:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-02 20:58:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:58:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-02 20:58:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-02 20:58:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:58:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:58:12,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:58:12,595 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:58:12,716 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:58:12,718 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:58:12,962 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:58:12,969 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:58:12,969 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:58:12,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:58:12 BoogieIcfgContainer [2022-11-02 20:58:12,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:58:12,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:58:12,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:58:12,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:58:12,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:58:11" (1/3) ... [2022-11-02 20:58:12,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19d8720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:58:12, skipping insertion in model container [2022-11-02 20:58:12,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:12" (2/3) ... [2022-11-02 20:58:12,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19d8720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:58:12, skipping insertion in model container [2022-11-02 20:58:12,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:58:12" (3/3) ... [2022-11-02 20:58:12,980 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_11a-equ_nr.i [2022-11-02 20:58:12,988 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:58:12,998 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:58:12,998 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-02 20:58:12,999 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:58:13,079 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-02 20:58:13,158 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-02 20:58:13,172 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 81 transitions, 167 flow [2022-11-02 20:58:13,180 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 81 transitions, 167 flow [2022-11-02 20:58:13,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 81 transitions, 167 flow [2022-11-02 20:58:13,249 INFO L130 PetriNetUnfolder]: 1/80 cut-off events. [2022-11-02 20:58:13,249 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:58:13,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 80 events. 1/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 42 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2022-11-02 20:58:13,254 INFO L118 LiptonReduction]: Number of co-enabled transitions 168 [2022-11-02 20:58:20,564 INFO L133 LiptonReduction]: Checked pairs total: 341 [2022-11-02 20:58:20,564 INFO L135 LiptonReduction]: Total number of compositions: 88 [2022-11-02 20:58:20,573 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17 places, 13 transitions, 31 flow [2022-11-02 20:58:20,582 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 6 states, 1 states have (on average 5.0) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:20,600 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:58:20,606 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5724fead, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:58:20,606 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-02 20:58:20,608 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 1 states have (on average 5.0) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:20,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-02 20:58:20,613 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:58:20,613 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-02 20:58:20,614 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-02 20:58:20,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:20,619 INFO L85 PathProgramCache]: Analyzing trace with hash 289, now seen corresponding path program 1 times [2022-11-02 20:58:20,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:20,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401998744] [2022-11-02 20:58:20,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:20,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:20,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:58:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:20,778 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:58:20,780 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 20:58:20,781 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2022-11-02 20:58:20,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2022-11-02 20:58:20,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2022-11-02 20:58:20,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2022-11-02 20:58:20,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-11-02 20:58:20,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:58:20,787 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-02 20:58:20,792 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 20:58:20,793 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:58:20,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:58:20 BasicIcfg [2022-11-02 20:58:20,812 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:58:20,813 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:58:20,813 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:58:20,813 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:58:20,814 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:58:12" (3/4) ... [2022-11-02 20:58:20,816 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-02 20:58:20,864 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a09e52f-560d-417b-a4cc-6fedd4305854/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:58:20,865 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:58:20,866 INFO L158 Benchmark]: Toolchain (without parser) took 9241.96ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 111.3MB in the beginning and 61.9MB in the end (delta: 49.4MB). Peak memory consumption was 100.5MB. Max. memory is 16.1GB. [2022-11-02 20:58:20,866 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 88.1MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 43.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:58:20,867 INFO L158 Benchmark]: CACSL2BoogieTranslator took 773.29ms. Allocated memory is still 144.7MB. Free memory was 111.0MB in the beginning and 103.1MB in the end (delta: 7.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:58:20,867 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.27ms. Allocated memory is still 144.7MB. Free memory was 102.8MB in the beginning and 100.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:58:20,868 INFO L158 Benchmark]: Boogie Preprocessor took 23.96ms. Allocated memory is still 144.7MB. Free memory was 100.7MB in the beginning and 99.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:58:20,868 INFO L158 Benchmark]: RCFGBuilder took 463.94ms. Allocated memory is still 144.7MB. Free memory was 99.0MB in the beginning and 85.4MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-02 20:58:20,869 INFO L158 Benchmark]: TraceAbstraction took 7838.54ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 84.7MB in the beginning and 64.0MB in the end (delta: 20.7MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2022-11-02 20:58:20,869 INFO L158 Benchmark]: Witness Printer took 52.05ms. Allocated memory is still 195.0MB. Free memory was 64.0MB in the beginning and 61.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:58:20,872 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 88.1MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 43.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 773.29ms. Allocated memory is still 144.7MB. Free memory was 111.0MB in the beginning and 103.1MB in the end (delta: 7.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.27ms. Allocated memory is still 144.7MB. Free memory was 102.8MB in the beginning and 100.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.96ms. Allocated memory is still 144.7MB. Free memory was 100.7MB in the beginning and 99.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 463.94ms. Allocated memory is still 144.7MB. Free memory was 99.0MB in the beginning and 85.4MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7838.54ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 84.7MB in the beginning and 64.0MB in the end (delta: 20.7MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. * Witness Printer took 52.05ms. Allocated memory is still 195.0MB. Free memory was 64.0MB in the beginning and 61.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.4s, 84 PlacesBefore, 17 PlacesAfterwards, 81 TransitionsBefore, 13 TransitionsAfterwards, 168 CoEnabledTransitionPairs, 7 FixpointIterations, 70 TrivialSequentialCompositions, 13 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 88 TotalNumberOfCompositions, 341 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 250, positive: 188, positive conditional: 0, positive unconditional: 188, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 131, positive: 117, positive conditional: 0, positive unconditional: 117, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 131, positive: 112, positive conditional: 0, positive unconditional: 112, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 130, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 250, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 131, unknown conditional: 0, unknown unconditional: 131] , Statistics on independence cache: Total cache size (in pairs): 14, Positive cache size: 10, Positive conditional cache size: 0, Positive unconditional cache size: 10, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1010]: integer overflow possible integer overflow possible We found a FailurePath: [L989-L993] struct s { int datum; struct q inside; pthread_mutex_t mutex; } A, B; [L1003] int x = __VERIFIER_nondet_int(); [L1004] pthread_t id; [L1005] struct s *s; [L1006] int *d; [L1007] pthread_mutex_t *m; [L1008] COND TRUE \read(x) [L1009] s = &A [L1010] x++ VAL [A={1:0}, B={2:0}, id={3:0}, s={1:0}, x=2147483647, x++=2147483647] - UnprovableResult [Line: 1013]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1010]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1013]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1017]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 90 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-02 20:58:20,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a09e52f-560d-417b-a4cc-6fedd4305854/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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)