./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 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_667046c1-cf9a-438f-aecc-5131b260219a/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_667046c1-cf9a-438f-aecc-5131b260219a/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_667046c1-cf9a-438f-aecc-5131b260219a/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_667046c1-cf9a-438f-aecc-5131b260219a/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_667046c1-cf9a-438f-aecc-5131b260219a/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_667046c1-cf9a-438f-aecc-5131b260219a/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash aa5b18db61e20df22a3fcdc42f8106df80a77f1c4c325b98c7e459a148199d39 --- 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-4e7fbc6 [2022-11-23 15:36:02,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:36:02,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:36:02,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:36:02,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:36:02,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:36:02,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:36:02,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:36:02,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:36:02,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:36:02,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:36:02,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:36:02,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:36:02,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:36:02,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:36:02,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:36:02,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:36:02,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:36:02,897 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:36:02,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:36:02,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:36:02,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:36:02,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:36:02,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:36:02,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:36:02,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:36:02,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:36:02,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:36:02,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:36:02,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:36:02,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:36:02,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:36:02,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:36:02,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:36:02,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:36:02,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:36:02,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:36:02,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:36:02,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:36:02,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:36:02,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:36:02,933 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_667046c1-cf9a-438f-aecc-5131b260219a/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 15:36:02,953 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:36:02,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:36:02,954 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:36:02,954 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:36:02,955 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:36:02,955 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:36:02,955 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:36:02,955 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:36:02,956 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:36:02,956 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:36:02,956 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:36:02,956 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:36:02,956 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:36:02,956 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:36:02,957 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:36:02,957 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:36:02,957 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:36:02,957 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:36:02,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:36:02,958 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:36:02,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:36:02,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:36:02,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:36:02,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:36:02,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:36:02,959 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 15:36:02,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:36:02,959 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:36:02,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:36:02,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:36:02,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:36:02,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:36:02,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:36:02,961 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:36:02,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:36:02,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:36:02,961 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:36:02,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:36:02,961 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:36:02,962 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:36:02,962 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_667046c1-cf9a-438f-aecc-5131b260219a/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_667046c1-cf9a-438f-aecc-5131b260219a/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa5b18db61e20df22a3fcdc42f8106df80a77f1c4c325b98c7e459a148199d39 [2022-11-23 15:36:03,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:36:03,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:36:03,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:36:03,243 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:36:03,243 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:36:03,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_667046c1-cf9a-438f-aecc-5131b260219a/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i [2022-11-23 15:36:06,349 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:36:06,654 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:36:06,655 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_667046c1-cf9a-438f-aecc-5131b260219a/sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i [2022-11-23 15:36:06,664 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_667046c1-cf9a-438f-aecc-5131b260219a/bin/utaipan-Q6hlc19bkW/data/0b2860418/3776da57cabc45d8a23424e3c60a71c9/FLAG1a5428120 [2022-11-23 15:36:06,679 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_667046c1-cf9a-438f-aecc-5131b260219a/bin/utaipan-Q6hlc19bkW/data/0b2860418/3776da57cabc45d8a23424e3c60a71c9 [2022-11-23 15:36:06,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:36:06,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:36:06,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:36:06,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:36:06,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:36:06,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:36:06" (1/1) ... [2022-11-23 15:36:06,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c277ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:06, skipping insertion in model container [2022-11-23 15:36:06,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:36:06" (1/1) ... [2022-11-23 15:36:06,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:36:06,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:36:06,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:36:06,979 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:36:07,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:36:07,067 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:36:07,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:07 WrapperNode [2022-11-23 15:36:07,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:36:07,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:36:07,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:36:07,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:36:07,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:07" (1/1) ... [2022-11-23 15:36:07,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:07" (1/1) ... [2022-11-23 15:36:07,100 INFO L138 Inliner]: procedures = 104, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 11 [2022-11-23 15:36:07,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:36:07,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:36:07,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:36:07,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:36:07,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:07" (1/1) ... [2022-11-23 15:36:07,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:07" (1/1) ... [2022-11-23 15:36:07,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:07" (1/1) ... [2022-11-23 15:36:07,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:07" (1/1) ... [2022-11-23 15:36:07,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:07" (1/1) ... [2022-11-23 15:36:07,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:07" (1/1) ... [2022-11-23 15:36:07,116 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:07" (1/1) ... [2022-11-23 15:36:07,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:07" (1/1) ... [2022-11-23 15:36:07,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:36:07,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:36:07,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:36:07,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:36:07,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:07" (1/1) ... [2022-11-23 15:36:07,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:36:07,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_667046c1-cf9a-438f-aecc-5131b260219a/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:36:07,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_667046c1-cf9a-438f-aecc-5131b260219a/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:36:07,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_667046c1-cf9a-438f-aecc-5131b260219a/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:36:07,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:36:07,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:36:07,316 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:36:07,318 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:36:07,426 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:36:07,441 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:36:07,442 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 15:36:07,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:36:07 BoogieIcfgContainer [2022-11-23 15:36:07,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:36:07,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:36:07,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:36:07,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:36:07,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:36:06" (1/3) ... [2022-11-23 15:36:07,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd279c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:36:07, skipping insertion in model container [2022-11-23 15:36:07,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:07" (2/3) ... [2022-11-23 15:36:07,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd279c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:36:07, skipping insertion in model container [2022-11-23 15:36:07,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:36:07" (3/3) ... [2022-11-23 15:36:07,481 INFO L112 eAbstractionObserver]: Analyzing ICFG IntegerPromotion-1.i [2022-11-23 15:36:07,520 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:36:07,521 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-23 15:36:07,609 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:36:07,616 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5d9c5f22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:36:07,616 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-23 15:36:07,621 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 5 states have (on average 1.8) internal successors, (9), 9 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:36:07,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-23 15:36:07,643 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:36:07,644 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-11-23 15:36:07,645 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 15:36:07,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:36:07,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1429, now seen corresponding path program 1 times [2022-11-23 15:36:07,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:36:07,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161408269] [2022-11-23 15:36:07,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:36:07,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:36:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:36:07,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:36:07,909 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:36:07,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161408269] [2022-11-23 15:36:07,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161408269] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:36:07,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:36:07,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-23 15:36:07,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840425345] [2022-11-23 15:36:07,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:36:07,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:36:07,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:36:07,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:36:07,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:36:07,978 INFO L87 Difference]: Start difference. First operand has 10 states, 5 states have (on average 1.8) internal successors, (9), 9 states have internal predecessors, (9), 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 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:36:08,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:36:08,036 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions. [2022-11-23 15:36:08,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:36:08,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2022-11-23 15:36:08,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:36:08,050 INFO L225 Difference]: With dead ends: 10 [2022-11-23 15:36:08,062 INFO L226 Difference]: Without dead ends: 7 [2022-11-23 15:36:08,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:36:08,070 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 6 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:36:08,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 0 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:36:08,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-11-23 15:36:08,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-11-23 15:36:08,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:36:08,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-11-23 15:36:08,116 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 2 [2022-11-23 15:36:08,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:36:08,117 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-11-23 15:36:08,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:36:08,119 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-11-23 15:36:08,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-23 15:36:08,120 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:36:08,121 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-23 15:36:08,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:36:08,122 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 15:36:08,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:36:08,126 INFO L85 PathProgramCache]: Analyzing trace with hash 44335, now seen corresponding path program 1 times [2022-11-23 15:36:08,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:36:08,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038681749] [2022-11-23 15:36:08,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:36:08,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:36:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:36:08,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:36:08,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:36:08,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038681749] [2022-11-23 15:36:08,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038681749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:36:08,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:36:08,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-23 15:36:08,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922720323] [2022-11-23 15:36:08,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:36:08,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:36:08,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:36:08,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:36:08,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:36:08,173 INFO L87 Difference]: Start difference. First operand 7 states and 6 transitions. 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) [2022-11-23 15:36:08,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:36:08,182 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2022-11-23 15:36:08,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:36:08,182 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 [2022-11-23 15:36:08,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:36:08,183 INFO L225 Difference]: With dead ends: 7 [2022-11-23 15:36:08,183 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 15:36:08,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:36:08,185 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 2 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:36:08,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 0 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:36:08,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 15:36:08,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 15:36:08,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:36:08,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 15:36:08,187 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2022-11-23 15:36:08,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:36:08,187 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 15:36:08,187 INFO L496 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) [2022-11-23 15:36:08,188 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 15:36:08,188 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 15:36:08,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-23 15:36:08,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-23 15:36:08,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-23 15:36:08,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-23 15:36:08,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:36:08,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 15:36:08,210 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 333) no Hoare annotation was computed. [2022-11-23 15:36:08,211 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:36:08,211 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 333) no Hoare annotation was computed. [2022-11-23 15:36:08,211 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 333) no Hoare annotation was computed. [2022-11-23 15:36:08,211 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 333) no Hoare annotation was computed. [2022-11-23 15:36:08,212 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 15:36:08,212 INFO L899 garLoopResultBuilder]: For program point L333(line 333) no Hoare annotation was computed. [2022-11-23 15:36:08,212 INFO L899 garLoopResultBuilder]: For program point L333-1(line 333) no Hoare annotation was computed. [2022-11-23 15:36:08,212 INFO L899 garLoopResultBuilder]: For program point L333-2(line 333) no Hoare annotation was computed. [2022-11-23 15:36:08,213 INFO L895 garLoopResultBuilder]: At program point L333-3(line 333) the Hoare annotation is: (and (<= 32767 |ULTIMATE.start_main_~a~0#1|) (<= |ULTIMATE.start_main_~a~0#1| 32767)) [2022-11-23 15:36:08,216 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 15:36:08,219 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:36:08,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:36:08 BoogieIcfgContainer [2022-11-23 15:36:08,233 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:36:08,234 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:36:08,234 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:36:08,234 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:36:08,235 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:36:07" (3/4) ... [2022-11-23 15:36:08,238 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 15:36:08,248 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-23 15:36:08,249 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-23 15:36:08,249 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 15:36:08,293 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_667046c1-cf9a-438f-aecc-5131b260219a/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:36:08,293 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:36:08,294 INFO L158 Benchmark]: Toolchain (without parser) took 1609.95ms. Allocated memory is still 148.9MB. Free memory was 118.4MB in the beginning and 63.9MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2022-11-23 15:36:08,294 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:36:08,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.52ms. Allocated memory is still 148.9MB. Free memory was 118.4MB in the beginning and 104.7MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 15:36:08,295 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.49ms. Allocated memory is still 148.9MB. Free memory was 104.7MB in the beginning and 102.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:36:08,295 INFO L158 Benchmark]: Boogie Preprocessor took 17.33ms. Allocated memory is still 148.9MB. Free memory was 102.8MB in the beginning and 102.1MB in the end (delta: 706.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:36:08,296 INFO L158 Benchmark]: RCFGBuilder took 325.18ms. Allocated memory is still 148.9MB. Free memory was 101.7MB in the beginning and 92.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-23 15:36:08,296 INFO L158 Benchmark]: TraceAbstraction took 773.20ms. Allocated memory is still 148.9MB. Free memory was 92.1MB in the beginning and 66.5MB in the end (delta: 25.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-23 15:36:08,296 INFO L158 Benchmark]: Witness Printer took 59.38ms. Allocated memory is still 148.9MB. Free memory was 66.5MB in the beginning and 63.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:36:08,303 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.52ms. Allocated memory is still 148.9MB. Free memory was 118.4MB in the beginning and 104.7MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.49ms. Allocated memory is still 148.9MB. Free memory was 104.7MB in the beginning and 102.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.33ms. Allocated memory is still 148.9MB. Free memory was 102.8MB in the beginning and 102.1MB in the end (delta: 706.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 325.18ms. Allocated memory is still 148.9MB. Free memory was 101.7MB in the beginning and 92.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 773.20ms. Allocated memory is still 148.9MB. Free memory was 92.1MB in the beginning and 66.5MB in the end (delta: 25.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 59.38ms. Allocated memory is still 148.9MB. Free memory was 66.5MB in the beginning and 63.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 0 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 7 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 32767 <= a && a <= 32767 RESULT: Ultimate proved your program to be correct! [2022-11-23 15:36:08,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_667046c1-cf9a-438f-aecc-5131b260219a/bin/utaipan-Q6hlc19bkW/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 Result: TRUE