./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 2329fc70 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_67dc9e3f-dad3-44f7-b655-f43dd2b293da/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dc9e3f-dad3-44f7-b655-f43dd2b293da/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dc9e3f-dad3-44f7-b655-f43dd2b293da/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dc9e3f-dad3-44f7-b655-f43dd2b293da/bin/uautomizer-uyxdKDjOR8/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_67dc9e3f-dad3-44f7-b655-f43dd2b293da/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dc9e3f-dad3-44f7-b655-f43dd2b293da/bin/uautomizer-uyxdKDjOR8 --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-2329fc7 [2022-12-13 15:30:24,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:30:24,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:30:24,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:30:24,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:30:24,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:30:24,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:30:24,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:30:24,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:30:24,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:30:24,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:30:24,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:30:24,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:30:24,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:30:24,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:30:24,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:30:24,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:30:24,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:30:24,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:30:24,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:30:24,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:30:24,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:30:24,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:30:24,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:30:24,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:30:24,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:30:24,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:30:24,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:30:24,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:30:24,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:30:24,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:30:24,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:30:24,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:30:24,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:30:24,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:30:24,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:30:24,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:30:24,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:30:24,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:30:24,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:30:24,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:30:24,859 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dc9e3f-dad3-44f7-b655-f43dd2b293da/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 15:30:24,879 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:30:24,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:30:24,880 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:30:24,886 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:30:24,887 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:30:24,887 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:30:24,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:30:24,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:30:24,888 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:30:24,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:30:24,888 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 15:30:24,889 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:30:24,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:30:24,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 15:30:24,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:30:24,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:30:24,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:30:24,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:30:24,890 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 15:30:24,890 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 15:30:24,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:30:24,890 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:30:24,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:30:24,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:30:24,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:30:24,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:30:24,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:30:24,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:30:24,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:30:24,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:30:24,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:30:24,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:30:24,893 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:30:24,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:30:24,893 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:30:24,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:30:24,894 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:30:24,894 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_67dc9e3f-dad3-44f7-b655-f43dd2b293da/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dc9e3f-dad3-44f7-b655-f43dd2b293da/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ae344c6ba282c956275e824e33ce3fb7903cfcf4f1d8d86b2dd8809a46e14d8 [2022-12-13 15:30:25,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:30:25,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:30:25,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:30:25,114 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:30:25,114 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:30:25,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dc9e3f-dad3-44f7-b655-f43dd2b293da/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/06-symbeq_11a-equ_nr.i [2022-12-13 15:30:27,715 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:30:27,918 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:30:27,919 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dc9e3f-dad3-44f7-b655-f43dd2b293da/sv-benchmarks/c/goblint-regression/06-symbeq_11a-equ_nr.i [2022-12-13 15:30:27,931 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dc9e3f-dad3-44f7-b655-f43dd2b293da/bin/uautomizer-uyxdKDjOR8/data/9bf0d31b0/5f03aaa724fd414ea58d90ab9a922afd/FLAGf1298a7bc [2022-12-13 15:30:27,943 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dc9e3f-dad3-44f7-b655-f43dd2b293da/bin/uautomizer-uyxdKDjOR8/data/9bf0d31b0/5f03aaa724fd414ea58d90ab9a922afd [2022-12-13 15:30:27,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:30:27,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:30:27,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:30:27,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:30:27,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:30:27,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:30:27" (1/1) ... [2022-12-13 15:30:27,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f58cafb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:27, skipping insertion in model container [2022-12-13 15:30:27,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:30:27" (1/1) ... [2022-12-13 15:30:27,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:30:27,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:30:28,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:30:28,356 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:30:28,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:30:28,436 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:30:28,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:28 WrapperNode [2022-12-13 15:30:28,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:30:28,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:30:28,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:30:28,437 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:30:28,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:28" (1/1) ... [2022-12-13 15:30:28,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:28" (1/1) ... [2022-12-13 15:30:28,475 INFO L138 Inliner]: procedures = 265, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 65 [2022-12-13 15:30:28,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:30:28,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:30:28,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:30:28,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:30:28,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:28" (1/1) ... [2022-12-13 15:30:28,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:28" (1/1) ... [2022-12-13 15:30:28,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:28" (1/1) ... [2022-12-13 15:30:28,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:28" (1/1) ... [2022-12-13 15:30:28,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:28" (1/1) ... [2022-12-13 15:30:28,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:28" (1/1) ... [2022-12-13 15:30:28,496 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:28" (1/1) ... [2022-12-13 15:30:28,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:28" (1/1) ... [2022-12-13 15:30:28,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:30:28,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:30:28,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:30:28,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:30:28,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:28" (1/1) ... [2022-12-13 15:30:28,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:30:28,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dc9e3f-dad3-44f7-b655-f43dd2b293da/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:30:28,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dc9e3f-dad3-44f7-b655-f43dd2b293da/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:30:28,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dc9e3f-dad3-44f7-b655-f43dd2b293da/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:30:28,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:30:28,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:30:28,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 15:30:28,563 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 15:30:28,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:30:28,564 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 15:30:28,565 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 15:30:28,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:30:28,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:30:28,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:30:28,567 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 15:30:28,666 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:30:28,667 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:30:28,787 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:30:28,792 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:30:28,792 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 15:30:28,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:30:28 BoogieIcfgContainer [2022-12-13 15:30:28,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:30:28,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:30:28,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:30:28,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:30:28,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:30:27" (1/3) ... [2022-12-13 15:30:28,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@643344b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:30:28, skipping insertion in model container [2022-12-13 15:30:28,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:28" (2/3) ... [2022-12-13 15:30:28,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@643344b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:30:28, skipping insertion in model container [2022-12-13 15:30:28,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:30:28" (3/3) ... [2022-12-13 15:30:28,800 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_11a-equ_nr.i [2022-12-13 15:30:28,806 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 15:30:28,813 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:30:28,813 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 15:30:28,813 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 15:30:28,848 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 15:30:28,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 81 transitions, 167 flow [2022-12-13 15:30:28,899 INFO L130 PetriNetUnfolder]: 1/80 cut-off events. [2022-12-13 15:30:28,900 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:30:28,903 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. [2022-12-13 15:30:28,903 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 81 transitions, 167 flow [2022-12-13 15:30:28,905 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 49 transitions, 98 flow [2022-12-13 15:30:28,908 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 15:30:28,915 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 49 transitions, 98 flow [2022-12-13 15:30:28,917 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 49 transitions, 98 flow [2022-12-13 15:30:28,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 49 transitions, 98 flow [2022-12-13 15:30:28,927 INFO L130 PetriNetUnfolder]: 0/49 cut-off events. [2022-12-13 15:30:28,927 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:30:28,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 49 events. 0/49 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 16 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-13 15:30:28,928 INFO L119 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-13 15:30:31,036 INFO L134 LiptonReduction]: Checked pairs total: 0 [2022-12-13 15:30:31,037 INFO L136 LiptonReduction]: Total number of compositions: 61 [2022-12-13 15:30:31,050 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:30:31,056 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;@47cdbb55, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:30:31,056 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-13 15:30:31,058 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 15:30:31,058 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:30:31,058 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:30:31,058 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 15:30:31,059 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-12-13 15:30:31,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:30:31,063 INFO L85 PathProgramCache]: Analyzing trace with hash 265, now seen corresponding path program 1 times [2022-12-13 15:30:31,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:30:31,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358173698] [2022-12-13 15:30:31,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:30:31,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:30:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:30:31,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:30:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:30:31,171 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:30:31,172 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 15:30:31,173 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2022-12-13 15:30:31,174 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2022-12-13 15:30:31,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2022-12-13 15:30:31,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2022-12-13 15:30:31,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-12-13 15:30:31,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:30:31,176 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 15:30:31,180 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 15:30:31,180 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:30:31,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:30:31 BasicIcfg [2022-12-13 15:30:31,192 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:30:31,192 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:30:31,192 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:30:31,193 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:30:31,193 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:30:28" (3/4) ... [2022-12-13 15:30:31,194 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 15:30:31,216 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dc9e3f-dad3-44f7-b655-f43dd2b293da/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:30:31,216 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:30:31,217 INFO L158 Benchmark]: Toolchain (without parser) took 3271.59ms. Allocated memory is still 148.9MB. Free memory was 105.0MB in the beginning and 96.1MB in the end (delta: 8.9MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2022-12-13 15:30:31,217 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 117.4MB. Free memory is still 88.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:30:31,218 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.82ms. Allocated memory is still 148.9MB. Free memory was 105.0MB in the beginning and 77.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-13 15:30:31,218 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.09ms. Allocated memory is still 148.9MB. Free memory was 77.7MB in the beginning and 75.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:30:31,218 INFO L158 Benchmark]: Boogie Preprocessor took 23.61ms. Allocated memory is still 148.9MB. Free memory was 75.6MB in the beginning and 74.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:30:31,219 INFO L158 Benchmark]: RCFGBuilder took 292.58ms. Allocated memory is still 148.9MB. Free memory was 74.0MB in the beginning and 111.8MB in the end (delta: -37.8MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2022-12-13 15:30:31,219 INFO L158 Benchmark]: TraceAbstraction took 2396.51ms. Allocated memory is still 148.9MB. Free memory was 111.0MB in the beginning and 98.2MB in the end (delta: 12.8MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2022-12-13 15:30:31,219 INFO L158 Benchmark]: Witness Printer took 23.91ms. Allocated memory is still 148.9MB. Free memory was 98.2MB in the beginning and 97.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:30:31,222 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 117.4MB. Free memory is still 88.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 489.82ms. Allocated memory is still 148.9MB. Free memory was 105.0MB in the beginning and 77.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.09ms. Allocated memory is still 148.9MB. Free memory was 77.7MB in the beginning and 75.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.61ms. Allocated memory is still 148.9MB. Free memory was 75.6MB in the beginning and 74.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 292.58ms. Allocated memory is still 148.9MB. Free memory was 74.0MB in the beginning and 111.8MB in the end (delta: -37.8MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2396.51ms. Allocated memory is still 148.9MB. Free memory was 111.0MB in the beginning and 98.2MB in the end (delta: 12.8MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Witness Printer took 23.91ms. Allocated memory is still 148.9MB. Free memory was 98.2MB in the beginning and 97.1MB in the end (delta: 1.1MB). 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: 2.1s, 50 PlacesBefore, 5 PlacesAfterwards, 49 TransitionsBefore, 4 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 7 FixpointIterations, 61 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 61 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 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: 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: 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. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred 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! [2022-12-13 15:30:31,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dc9e3f-dad3-44f7-b655-f43dd2b293da/bin/uautomizer-uyxdKDjOR8/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)