./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_78-equ_racing-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_555b7ca2-baf6-4276-8196-359a6167de2f/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555b7ca2-baf6-4276-8196-359a6167de2f/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555b7ca2-baf6-4276-8196-359a6167de2f/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555b7ca2-baf6-4276-8196-359a6167de2f/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_78-equ_racing-overflow.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555b7ca2-baf6-4276-8196-359a6167de2f/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555b7ca2-baf6-4276-8196-359a6167de2f/bin/uautomizer-vX5HgA9Q3a --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 8e4241de9ab6aaee40e34a0aea220f2af2541cd79c1f3c4ee08672ad0bf05f65 --- 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-b5237d8 [2022-11-21 17:13:36,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:13:36,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:13:36,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:13:36,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:13:36,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:13:36,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:13:36,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:13:36,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:13:36,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:13:36,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:13:36,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:13:36,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:13:36,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:13:36,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:13:36,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:13:36,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:13:36,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:13:36,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:13:36,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:13:36,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:13:36,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:13:36,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:13:36,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:13:36,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:13:36,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:13:36,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:13:36,345 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:13:36,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:13:36,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:13:36,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:13:36,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:13:36,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:13:36,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:13:36,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:13:36,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:13:36,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:13:36,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:13:36,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:13:36,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:13:36,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:13:36,356 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555b7ca2-baf6-4276-8196-359a6167de2f/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-21 17:13:36,378 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:13:36,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:13:36,379 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:13:36,379 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:13:36,380 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:13:36,380 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:13:36,381 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:13:36,381 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:13:36,381 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:13:36,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:13:36,382 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 17:13:36,382 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 17:13:36,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:13:36,383 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 17:13:36,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:13:36,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:13:36,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:13:36,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:13:36,384 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 17:13:36,385 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 17:13:36,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:13:36,385 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:13:36,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:13:36,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:13:36,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:13:36,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:13:36,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:13:36,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:13:36,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:13:36,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:13:36,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:13:36,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:13:36,388 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:13:36,388 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:13:36,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:13:36,389 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_555b7ca2-baf6-4276-8196-359a6167de2f/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555b7ca2-baf6-4276-8196-359a6167de2f/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e4241de9ab6aaee40e34a0aea220f2af2541cd79c1f3c4ee08672ad0bf05f65 [2022-11-21 17:13:36,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:13:36,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:13:36,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:13:36,738 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:13:36,739 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:13:36,740 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555b7ca2-baf6-4276-8196-359a6167de2f/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/goblint-regression/28-race_reach_78-equ_racing-overflow.i [2022-11-21 17:13:39,796 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:13:40,096 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:13:40,097 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555b7ca2-baf6-4276-8196-359a6167de2f/sv-benchmarks/c/goblint-regression/28-race_reach_78-equ_racing-overflow.i [2022-11-21 17:13:40,118 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555b7ca2-baf6-4276-8196-359a6167de2f/bin/uautomizer-vX5HgA9Q3a/data/5a7f31957/e2049a877765472580849729da30e627/FLAGc7987ec4b [2022-11-21 17:13:40,137 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555b7ca2-baf6-4276-8196-359a6167de2f/bin/uautomizer-vX5HgA9Q3a/data/5a7f31957/e2049a877765472580849729da30e627 [2022-11-21 17:13:40,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:13:40,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:13:40,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:13:40,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:13:40,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:13:40,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:13:40" (1/1) ... [2022-11-21 17:13:40,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@80b596f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:40, skipping insertion in model container [2022-11-21 17:13:40,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:13:40" (1/1) ... [2022-11-21 17:13:40,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:13:40,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:13:40,856 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555b7ca2-baf6-4276-8196-359a6167de2f/sv-benchmarks/c/goblint-regression/28-race_reach_78-equ_racing-overflow.i[47038,47051] [2022-11-21 17:13:40,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:13:40,929 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:13:40,990 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555b7ca2-baf6-4276-8196-359a6167de2f/sv-benchmarks/c/goblint-regression/28-race_reach_78-equ_racing-overflow.i[47038,47051] [2022-11-21 17:13:41,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:13:41,084 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:13:41,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:41 WrapperNode [2022-11-21 17:13:41,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:13:41,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:13:41,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:13:41,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:13:41,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:41" (1/1) ... [2022-11-21 17:13:41,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:41" (1/1) ... [2022-11-21 17:13:41,183 INFO L138 Inliner]: procedures = 271, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 214 [2022-11-21 17:13:41,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:13:41,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:13:41,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:13:41,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:13:41,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:41" (1/1) ... [2022-11-21 17:13:41,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:41" (1/1) ... [2022-11-21 17:13:41,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:41" (1/1) ... [2022-11-21 17:13:41,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:41" (1/1) ... [2022-11-21 17:13:41,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:41" (1/1) ... [2022-11-21 17:13:41,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:41" (1/1) ... [2022-11-21 17:13:41,255 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:41" (1/1) ... [2022-11-21 17:13:41,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:41" (1/1) ... [2022-11-21 17:13:41,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:13:41,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:13:41,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:13:41,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:13:41,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:41" (1/1) ... [2022-11-21 17:13:41,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:13:41,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555b7ca2-baf6-4276-8196-359a6167de2f/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:13:41,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555b7ca2-baf6-4276-8196-359a6167de2f/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:13:41,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555b7ca2-baf6-4276-8196-359a6167de2f/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:13:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:13:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:13:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 17:13:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 17:13:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-21 17:13:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:13:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-21 17:13:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-21 17:13:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:13:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:13:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:13:41,368 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 17:13:41,555 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:13:41,557 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:13:41,910 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:13:41,921 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:13:41,922 INFO L300 CfgBuilder]: Removed 22 assume(true) statements. [2022-11-21 17:13:41,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:13:41 BoogieIcfgContainer [2022-11-21 17:13:41,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:13:41,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:13:41,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:13:41,942 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:13:41,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:13:40" (1/3) ... [2022-11-21 17:13:41,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37cfe49a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:13:41, skipping insertion in model container [2022-11-21 17:13:41,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:41" (2/3) ... [2022-11-21 17:13:41,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37cfe49a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:13:41, skipping insertion in model container [2022-11-21 17:13:41,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:13:41" (3/3) ... [2022-11-21 17:13:41,947 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_78-equ_racing-overflow.i [2022-11-21 17:13:41,963 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 17:13:41,975 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:13:41,975 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-11-21 17:13:41,975 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 17:13:42,075 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-21 17:13:42,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 208 places, 233 transitions, 474 flow [2022-11-21 17:13:42,239 INFO L130 PetriNetUnfolder]: 42/312 cut-off events. [2022-11-21 17:13:42,239 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-21 17:13:42,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 318 conditions, 312 events. 42/312 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1046 event pairs, 0 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 153. Up to 8 conditions per place. [2022-11-21 17:13:42,252 INFO L82 GeneralOperation]: Start removeDead. Operand has 208 places, 233 transitions, 474 flow [2022-11-21 17:13:42,261 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 206 places, 230 transitions, 468 flow [2022-11-21 17:13:42,272 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:13:42,279 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=PETRI_NET, 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;@26505c81, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:13:42,280 INFO L358 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2022-11-21 17:13:42,301 INFO L130 PetriNetUnfolder]: 0/53 cut-off events. [2022-11-21 17:13:42,301 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 17:13:42,301 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 17:13:42,302 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:13:42,302 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2022-11-21 17:13:42,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:13:42,311 INFO L85 PathProgramCache]: Analyzing trace with hash 350342629, now seen corresponding path program 1 times [2022-11-21 17:13:42,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:13:42,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549677681] [2022-11-21 17:13:42,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:13:42,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:13:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:13:42,477 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:13:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:13:42,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:13:42,585 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 17:13:42,588 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 21 remaining) [2022-11-21 17:13:42,591 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 21 remaining) [2022-11-21 17:13:42,592 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 21 remaining) [2022-11-21 17:13:42,593 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 21 remaining) [2022-11-21 17:13:42,593 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 21 remaining) [2022-11-21 17:13:42,594 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 21 remaining) [2022-11-21 17:13:42,594 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 21 remaining) [2022-11-21 17:13:42,595 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 21 remaining) [2022-11-21 17:13:42,595 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 21 remaining) [2022-11-21 17:13:42,595 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 21 remaining) [2022-11-21 17:13:42,596 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 21 remaining) [2022-11-21 17:13:42,596 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 21 remaining) [2022-11-21 17:13:42,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 21 remaining) [2022-11-21 17:13:42,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 21 remaining) [2022-11-21 17:13:42,598 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 21 remaining) [2022-11-21 17:13:42,598 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 21 remaining) [2022-11-21 17:13:42,598 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 21 remaining) [2022-11-21 17:13:42,599 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 21 remaining) [2022-11-21 17:13:42,599 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 21 remaining) [2022-11-21 17:13:42,599 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 21 remaining) [2022-11-21 17:13:42,601 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 21 remaining) [2022-11-21 17:13:42,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:13:42,602 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-21 17:13:42,617 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 17:13:42,618 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 17:13:42,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:13:42 BasicIcfg [2022-11-21 17:13:42,678 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:13:42,679 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:13:42,679 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:13:42,679 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:13:42,680 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:13:41" (3/4) ... [2022-11-21 17:13:42,682 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 17:13:42,728 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555b7ca2-baf6-4276-8196-359a6167de2f/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 17:13:42,729 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:13:42,730 INFO L158 Benchmark]: Toolchain (without parser) took 2585.33ms. Allocated memory is still 184.5MB. Free memory was 146.2MB in the beginning and 61.6MB in the end (delta: 84.6MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. [2022-11-21 17:13:42,731 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:13:42,731 INFO L158 Benchmark]: CACSL2BoogieTranslator took 934.44ms. Allocated memory is still 184.5MB. Free memory was 146.2MB in the beginning and 135.8MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 17:13:42,732 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.63ms. Allocated memory is still 184.5MB. Free memory was 135.8MB in the beginning and 132.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:13:42,732 INFO L158 Benchmark]: Boogie Preprocessor took 85.90ms. Allocated memory is still 184.5MB. Free memory was 132.9MB in the beginning and 130.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:13:42,733 INFO L158 Benchmark]: RCFGBuilder took 661.74ms. Allocated memory is still 184.5MB. Free memory was 130.8MB in the beginning and 109.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 17:13:42,734 INFO L158 Benchmark]: TraceAbstraction took 741.67ms. Allocated memory is still 184.5MB. Free memory was 109.4MB in the beginning and 65.8MB in the end (delta: 43.5MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-21 17:13:42,734 INFO L158 Benchmark]: Witness Printer took 50.11ms. Allocated memory is still 184.5MB. Free memory was 65.8MB in the beginning and 61.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 17:13:42,737 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 934.44ms. Allocated memory is still 184.5MB. Free memory was 146.2MB in the beginning and 135.8MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.63ms. Allocated memory is still 184.5MB. Free memory was 135.8MB in the beginning and 132.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.90ms. Allocated memory is still 184.5MB. Free memory was 132.9MB in the beginning and 130.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 661.74ms. Allocated memory is still 184.5MB. Free memory was 130.8MB in the beginning and 109.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 741.67ms. Allocated memory is still 184.5MB. Free memory was 109.4MB in the beginning and 65.8MB in the end (delta: 43.5MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 50.11ms. Allocated memory is still 184.5MB. Free memory was 65.8MB in the beginning and 61.6MB 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.traceabstraction: - CounterExampleResult [Line: 1026]: integer overflow possible integer overflow possible We found a FailurePath: [L1004] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={3:0}] [L1006-L1010] struct s { int datum; struct q inside; pthread_mutex_t mutex; } A, B; VAL [__global_lock={3:0}, A={4:0}, B={5:0}] [L1020] int x = __VERIFIER_nondet_int(); VAL [__global_lock={3:0}, __VERIFIER_nondet_int()=2147483647, A={4:0}, B={5:0}, x=2147483647] [L1021] struct s *s; VAL [__global_lock={3:0}, A={4:0}, B={5:0}, x=2147483647] [L1022] int *d; VAL [__global_lock={3:0}, A={4:0}, B={5:0}, x=2147483647] [L1023] pthread_mutex_t *m; VAL [__global_lock={3:0}, A={4:0}, B={5:0}, x=2147483647] [L1024] COND TRUE \read(x) VAL [__global_lock={3:0}, A={4:0}, B={5:0}, x=2147483647] [L1025] s = &A VAL [__global_lock={3:0}, A={4:0}, B={5:0}, s={4:0}, x=2147483647] [L1026] x++ VAL [__global_lock={3:0}, A={4:0}, B={5:0}, s={4:0}, x=2147483647, x++=2147483647] - UnprovableResult [Line: 1029]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1026]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1029]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1033]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1033]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1035]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1037]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1035]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1035]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1037]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1035]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1033]: 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. - 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: 1013]: 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: 1013]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 260 locations, 21 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=468occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 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! [2022-11-21 17:13:42,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555b7ca2-baf6-4276-8196-359a6167de2f/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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)