./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Pure2Phase-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b18625-4a00-48d5-b7c1-5b2bf0d18c7c/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b18625-4a00-48d5-b7c1-5b2bf0d18c7c/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b18625-4a00-48d5-b7c1-5b2bf0d18c7c/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b18625-4a00-48d5-b7c1-5b2bf0d18c7c/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/Pure2Phase-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b18625-4a00-48d5-b7c1-5b2bf0d18c7c/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b18625-4a00-48d5-b7c1-5b2bf0d18c7c/bin/uautomizer-hJ6jxDFKc3 --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 64bit --witnessprinter.graph.data.programhash aad7ddb2e0d4476ced8f52bbccb469aff17d069d ...................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:35:55,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:35:55,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:35:55,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:35:55,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:35:55,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:35:55,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:35:55,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:35:55,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:35:55,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:35:55,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:35:55,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:35:55,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:35:55,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:35:55,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:35:55,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:35:55,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:35:55,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:35:55,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:35:55,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:35:55,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:35:55,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:35:55,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:35:55,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:35:56,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:35:56,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:35:56,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:35:56,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:35:56,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:35:56,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:35:56,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:35:56,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:35:56,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:35:56,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:35:56,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:35:56,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:35:56,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:35:56,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:35:56,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:35:56,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:35:56,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:35:56,025 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b18625-4a00-48d5-b7c1-5b2bf0d18c7c/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-10-15 19:35:56,084 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:35:56,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:35:56,086 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:35:56,086 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:35:56,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:35:56,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:35:56,090 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:35:56,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:35:56,090 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 19:35:56,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:35:56,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:35:56,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:35:56,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:35:56,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:35:56,094 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-15 19:35:56,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:35:56,094 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:35:56,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:35:56,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:35:56,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:35:56,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:35:56,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:35:56,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:35:56,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:35:56,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:35:56,097 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:35:56,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:35:56,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:35:56,098 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:35:56,100 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_36b18625-4a00-48d5-b7c1-5b2bf0d18c7c/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b18625-4a00-48d5-b7c1-5b2bf0d18c7c/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aad7ddb2e0d4476ced8f52bbccb469aff17d069d [2021-10-15 19:35:56,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:35:56,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:35:56,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:35:56,560 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:35:56,561 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:35:56,563 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b18625-4a00-48d5-b7c1-5b2bf0d18c7c/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/termination-crafted/Pure2Phase-2.c [2021-10-15 19:35:56,669 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b18625-4a00-48d5-b7c1-5b2bf0d18c7c/bin/uautomizer-hJ6jxDFKc3/data/4944c69db/f3110aa728a5452bbc52dfd8c935e85f/FLAGf911d5d6f [2021-10-15 19:35:57,298 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:35:57,300 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b18625-4a00-48d5-b7c1-5b2bf0d18c7c/sv-benchmarks/c/termination-crafted/Pure2Phase-2.c [2021-10-15 19:35:57,318 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b18625-4a00-48d5-b7c1-5b2bf0d18c7c/bin/uautomizer-hJ6jxDFKc3/data/4944c69db/f3110aa728a5452bbc52dfd8c935e85f/FLAGf911d5d6f [2021-10-15 19:35:57,661 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b18625-4a00-48d5-b7c1-5b2bf0d18c7c/bin/uautomizer-hJ6jxDFKc3/data/4944c69db/f3110aa728a5452bbc52dfd8c935e85f [2021-10-15 19:35:57,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:35:57,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:35:57,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:35:57,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:35:57,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:35:57,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:35:57" (1/1) ... [2021-10-15 19:35:57,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a3ce15a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:35:57, skipping insertion in model container [2021-10-15 19:35:57,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:35:57" (1/1) ... [2021-10-15 19:35:57,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:35:57,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:35:57,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:35:57,946 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:35:57,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:35:57,990 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:35:57,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:35:57 WrapperNode [2021-10-15 19:35:57,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:35:57,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:35:57,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:35:57,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:35:58,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:35:57" (1/1) ... [2021-10-15 19:35:58,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:35:57" (1/1) ... [2021-10-15 19:35:58,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:35:58,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:35:58,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:35:58,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:35:58,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:35:57" (1/1) ... [2021-10-15 19:35:58,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:35:57" (1/1) ... [2021-10-15 19:35:58,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:35:57" (1/1) ... [2021-10-15 19:35:58,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:35:57" (1/1) ... [2021-10-15 19:35:58,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:35:57" (1/1) ... [2021-10-15 19:35:58,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:35:57" (1/1) ... [2021-10-15 19:35:58,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:35:57" (1/1) ... [2021-10-15 19:35:58,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:35:58,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:35:58,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:35:58,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:35:58,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:35:57" (1/1) ... [2021-10-15 19:35:58,071 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:35:58,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b18625-4a00-48d5-b7c1-5b2bf0d18c7c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:35:58,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b18625-4a00-48d5-b7c1-5b2bf0d18c7c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:35:58,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b18625-4a00-48d5-b7c1-5b2bf0d18c7c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:35:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:35:58,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:35:58,369 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:35:58,370 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-15 19:35:58,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:35:58 BoogieIcfgContainer [2021-10-15 19:35:58,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:35:58,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:35:58,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:35:58,380 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:35:58,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:35:57" (1/3) ... [2021-10-15 19:35:58,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c0ef60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:35:58, skipping insertion in model container [2021-10-15 19:35:58,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:35:57" (2/3) ... [2021-10-15 19:35:58,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c0ef60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:35:58, skipping insertion in model container [2021-10-15 19:35:58,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:35:58" (3/3) ... [2021-10-15 19:35:58,385 INFO L111 eAbstractionObserver]: Analyzing ICFG Pure2Phase-2.c [2021-10-15 19:35:58,392 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:35:58,392 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-15 19:35:58,456 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:35:58,465 INFO L339 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, mConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-10-15 19:35:58,465 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-15 19:35:58,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 10 states have (on average 1.7) internal successors, (17), 14 states have internal predecessors, (17), 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) [2021-10-15 19:35:58,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-15 19:35:58,490 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 19:35:58,491 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-15 19:35:58,492 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-10-15 19:35:58,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:35:58,500 INFO L82 PathProgramCache]: Analyzing trace with hash 31073, now seen corresponding path program 1 times [2021-10-15 19:35:58,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:35:58,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174533709] [2021-10-15 19:35:58,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:35:58,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:35:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:35:58,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:35:58,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:35:58,772 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174533709] [2021-10-15 19:35:58,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174533709] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:35:58,774 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:35:58,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-15 19:35:58,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761030754] [2021-10-15 19:35:58,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 19:35:58,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:35:58,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 19:35:58,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 19:35:58,806 INFO L87 Difference]: Start difference. First operand has 15 states, 10 states have (on average 1.7) internal successors, (17), 14 states have internal predecessors, (17), 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) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-15 19:35:58,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 19:35:58,865 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2021-10-15 19:35:58,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 19:35:58,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) Word has length 3 [2021-10-15 19:35:58,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 19:35:58,879 INFO L225 Difference]: With dead ends: 19 [2021-10-15 19:35:58,894 INFO L226 Difference]: Without dead ends: 10 [2021-10-15 19:35:58,898 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 19:35:58,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-10-15 19:35:58,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-10-15 19:35:58,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 9 states have internal predecessors, (11), 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) [2021-10-15 19:35:58,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2021-10-15 19:35:58,977 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 3 [2021-10-15 19:35:58,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 19:35:58,978 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2021-10-15 19:35:58,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-15 19:35:58,978 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2021-10-15 19:35:58,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-15 19:35:58,979 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 19:35:58,979 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-15 19:35:58,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-15 19:35:58,981 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-10-15 19:35:58,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:35:58,982 INFO L82 PathProgramCache]: Analyzing trace with hash 963307, now seen corresponding path program 1 times [2021-10-15 19:35:58,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:35:58,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151458204] [2021-10-15 19:35:58,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:35:58,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:35:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:35:58,998 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:35:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:35:59,025 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:35:59,025 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-15 19:35:59,028 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-15 19:35:59,046 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-15 19:35:59,047 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-15 19:35:59,048 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-15 19:35:59,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-15 19:35:59,057 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 19:35:59,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 07:35:59 BoogieIcfgContainer [2021-10-15 19:35:59,078 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 19:35:59,079 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:35:59,080 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:35:59,080 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:35:59,081 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:35:58" (3/4) ... [2021-10-15 19:35:59,083 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-15 19:35:59,139 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b18625-4a00-48d5-b7c1-5b2bf0d18c7c/bin/uautomizer-hJ6jxDFKc3/witness.graphml [2021-10-15 19:35:59,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:35:59,144 INFO L168 Benchmark]: Toolchain (without parser) took 1475.62 ms. Allocated memory was 88.1 MB in the beginning and 117.4 MB in the end (delta: 29.4 MB). Free memory was 52.7 MB in the beginning and 60.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:35:59,145 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 88.1 MB. Free memory was 61.8 MB in the beginning and 61.7 MB in the end (delta: 31.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:35:59,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.69 ms. Allocated memory was 88.1 MB in the beginning and 117.4 MB in the end (delta: 29.4 MB). Free memory was 52.5 MB in the beginning and 92.9 MB in the end (delta: -40.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:35:59,155 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.10 ms. Allocated memory is still 117.4 MB. Free memory was 92.9 MB in the beginning and 92.0 MB in the end (delta: 935.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:35:59,157 INFO L168 Benchmark]: Boogie Preprocessor took 25.76 ms. Allocated memory is still 117.4 MB. Free memory was 91.6 MB in the beginning and 90.8 MB in the end (delta: 705.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:35:59,158 INFO L168 Benchmark]: RCFGBuilder took 319.80 ms. Allocated memory is still 117.4 MB. Free memory was 90.8 MB in the beginning and 82.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:35:59,159 INFO L168 Benchmark]: TraceAbstraction took 703.44 ms. Allocated memory is still 117.4 MB. Free memory was 82.5 MB in the beginning and 62.2 MB in the end (delta: 20.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-15 19:35:59,160 INFO L168 Benchmark]: Witness Printer took 60.67 ms. Allocated memory is still 117.4 MB. Free memory was 62.2 MB in the beginning and 60.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:35:59,171 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 88.1 MB. Free memory was 61.8 MB in the beginning and 61.7 MB in the end (delta: 31.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 323.69 ms. Allocated memory was 88.1 MB in the beginning and 117.4 MB in the end (delta: 29.4 MB). Free memory was 52.5 MB in the beginning and 92.9 MB in the end (delta: -40.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.10 ms. Allocated memory is still 117.4 MB. Free memory was 92.9 MB in the beginning and 92.0 MB in the end (delta: 935.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.76 ms. Allocated memory is still 117.4 MB. Free memory was 91.6 MB in the beginning and 90.8 MB in the end (delta: 705.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 319.80 ms. Allocated memory is still 117.4 MB. Free memory was 90.8 MB in the beginning and 82.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 703.44 ms. Allocated memory is still 117.4 MB. Free memory was 82.5 MB in the beginning and 62.2 MB in the end (delta: 20.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Witness Printer took 60.67 ms. Allocated memory is still 117.4 MB. Free memory was 62.2 MB in the beginning and 60.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 20]: integer overflow possible integer overflow possible We found a FailurePath: [L16] int y, z; [L17] y = __VERIFIER_nondet_int() [L18] z = __VERIFIER_nondet_int() [L19] COND TRUE z >= 0 [L20] y - 1 - UnprovableResult [Line: 20]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 24]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 24]: 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 CFG has 1 procedures, 15 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 600.2ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 11.7ms, AutomataDifference: 113.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 10 SDtfs, 12 SDslu, 0 SDs, 0 SdLazy, 5 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 23.2ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 13.0ms SsaConstructionTime, 38.2ms SatisfiabilityAnalysisTime, 112.0ms InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2021-10-15 19:35:59,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b18625-4a00-48d5-b7c1-5b2bf0d18c7c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...