./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/Urban-WST2013-Fig1.c --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_2b1ab6c3-872b-4cea-800d-319eb7229e4f/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1ab6c3-872b-4cea-800d-319eb7229e4f/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_2b1ab6c3-872b-4cea-800d-319eb7229e4f/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1ab6c3-872b-4cea-800d-319eb7229e4f/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/Urban-WST2013-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1ab6c3-872b-4cea-800d-319eb7229e4f/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_2b1ab6c3-872b-4cea-800d-319eb7229e4f/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 7ec1d1d4856d24b14cb09101172e0975902985e260ca74737e781ce301d37cbb --- 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 15:43:50,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:43:50,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:43:50,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:43:50,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:43:50,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:43:50,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:43:50,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:43:50,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:43:50,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:43:50,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:43:50,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:43:50,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:43:50,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:43:50,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:43:50,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:43:50,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:43:50,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:43:50,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:43:50,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:43:50,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:43:50,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:43:50,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:43:50,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:43:50,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:43:50,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:43:50,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:43:50,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:43:50,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:43:50,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:43:50,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:43:50,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:43:50,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:43:50,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:43:50,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:43:50,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:43:50,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:43:50,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:43:50,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:43:50,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:43:50,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:43:50,209 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1ab6c3-872b-4cea-800d-319eb7229e4f/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 15:43:50,231 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:43:50,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:43:50,232 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:43:50,232 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:43:50,233 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:43:50,233 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:43:50,233 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:43:50,234 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:43:50,234 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:43:50,234 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:43:50,234 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:43:50,234 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:43:50,235 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:43:50,235 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:43:50,235 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:43:50,235 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:43:50,236 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:43:50,236 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:43:50,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:43:50,237 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:43:50,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:43:50,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:43:50,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:43:50,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:43:50,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:43:50,238 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 15:43:50,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:43:50,239 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:43:50,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:43:50,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:43:50,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:43:50,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:43:50,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:43:50,240 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:43:50,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:43:50,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:43:50,241 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:43:50,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:43:50,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:43:50,241 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:43:50,241 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_2b1ab6c3-872b-4cea-800d-319eb7229e4f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1ab6c3-872b-4cea-800d-319eb7229e4f/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ec1d1d4856d24b14cb09101172e0975902985e260ca74737e781ce301d37cbb [2022-11-23 15:43:50,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:43:50,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:43:50,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:43:50,588 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:43:50,588 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:43:50,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1ab6c3-872b-4cea-800d-319eb7229e4f/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/termination-crafted-lit/Urban-WST2013-Fig1.c [2022-11-23 15:43:53,685 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:43:53,935 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:43:53,935 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1ab6c3-872b-4cea-800d-319eb7229e4f/sv-benchmarks/c/termination-crafted-lit/Urban-WST2013-Fig1.c [2022-11-23 15:43:53,941 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1ab6c3-872b-4cea-800d-319eb7229e4f/bin/utaipan-Q6hlc19bkW/data/70bce8cdd/d8c67a6a86d449e5ac8a5e4c27eb0f12/FLAG442cef90c [2022-11-23 15:43:53,958 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1ab6c3-872b-4cea-800d-319eb7229e4f/bin/utaipan-Q6hlc19bkW/data/70bce8cdd/d8c67a6a86d449e5ac8a5e4c27eb0f12 [2022-11-23 15:43:53,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:43:53,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:43:53,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:43:53,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:43:53,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:43:53,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:53" (1/1) ... [2022-11-23 15:43:53,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10d36f92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:53, skipping insertion in model container [2022-11-23 15:43:53,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:53" (1/1) ... [2022-11-23 15:43:53,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:43:53,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:43:54,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:43:54,209 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:43:54,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:43:54,231 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:43:54,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:54 WrapperNode [2022-11-23 15:43:54,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:43:54,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:43:54,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:43:54,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:43:54,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:54" (1/1) ... [2022-11-23 15:43:54,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:54" (1/1) ... [2022-11-23 15:43:54,260 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2022-11-23 15:43:54,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:43:54,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:43:54,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:43:54,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:43:54,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:54" (1/1) ... [2022-11-23 15:43:54,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:54" (1/1) ... [2022-11-23 15:43:54,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:54" (1/1) ... [2022-11-23 15:43:54,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:54" (1/1) ... [2022-11-23 15:43:54,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:54" (1/1) ... [2022-11-23 15:43:54,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:54" (1/1) ... [2022-11-23 15:43:54,275 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:54" (1/1) ... [2022-11-23 15:43:54,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:54" (1/1) ... [2022-11-23 15:43:54,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:43:54,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:43:54,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:43:54,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:43:54,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:54" (1/1) ... [2022-11-23 15:43:54,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:43:54,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1ab6c3-872b-4cea-800d-319eb7229e4f/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:43:54,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1ab6c3-872b-4cea-800d-319eb7229e4f/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:43:54,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1ab6c3-872b-4cea-800d-319eb7229e4f/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:43:54,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:43:54,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:43:54,468 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:43:54,470 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:43:54,588 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:43:54,618 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:43:54,624 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 15:43:54,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:43:54 BoogieIcfgContainer [2022-11-23 15:43:54,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:43:54,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:43:54,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:43:54,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:43:54,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:43:53" (1/3) ... [2022-11-23 15:43:54,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e377dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:43:54, skipping insertion in model container [2022-11-23 15:43:54,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:54" (2/3) ... [2022-11-23 15:43:54,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e377dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:43:54, skipping insertion in model container [2022-11-23 15:43:54,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:43:54" (3/3) ... [2022-11-23 15:43:54,653 INFO L112 eAbstractionObserver]: Analyzing ICFG Urban-WST2013-Fig1.c [2022-11-23 15:43:54,678 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:43:54,678 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 15:43:54,763 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:43:54,772 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;@4ee66fa6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:43:54,772 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 15:43:54,777 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 5 states have (on average 1.8) internal successors, (9), 7 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 15:43:54,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-23 15:43:54,785 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:43:54,785 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-23 15:43:54,786 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 15:43:54,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:43:54,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1828271, now seen corresponding path program 1 times [2022-11-23 15:43:54,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:43:54,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893883170] [2022-11-23 15:43:54,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:43:54,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:43:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:43:54,974 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 15:43:54,974 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:43:54,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893883170] [2022-11-23 15:43:54,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893883170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:43:54,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:43:54,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-23 15:43:54,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769989616] [2022-11-23 15:43:54,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:43:54,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:43:54,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:43:55,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:43:55,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:43:55,030 INFO L87 Difference]: Start difference. First operand has 8 states, 5 states have (on average 1.8) internal successors, (9), 7 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 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 15:43:55,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:43:55,104 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2022-11-23 15:43:55,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:43:55,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-11-23 15:43:55,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:43:55,116 INFO L225 Difference]: With dead ends: 8 [2022-11-23 15:43:55,116 INFO L226 Difference]: Without dead ends: 6 [2022-11-23 15:43:55,119 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 15:43:55,126 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 4 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:43:55,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 0 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:43:55,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2022-11-23 15:43:55,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2022-11-23 15:43:55,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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 15:43:55,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2022-11-23 15:43:55,164 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 7 transitions. Word has length 4 [2022-11-23 15:43:55,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:43:55,164 INFO L495 AbstractCegarLoop]: Abstraction has 6 states and 7 transitions. [2022-11-23 15:43:55,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 15:43:55,167 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2022-11-23 15:43:55,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-23 15:43:55,167 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:43:55,167 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 15:43:55,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:43:55,168 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 15:43:55,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:43:55,169 INFO L85 PathProgramCache]: Analyzing trace with hash 56676449, now seen corresponding path program 1 times [2022-11-23 15:43:55,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:43:55,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611364715] [2022-11-23 15:43:55,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:43:55,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:43:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:43:55,240 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 15:43:55,240 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:43:55,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611364715] [2022-11-23 15:43:55,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611364715] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:43:55,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:43:55,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:43:55,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83615404] [2022-11-23 15:43:55,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:43:55,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:43:55,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:43:55,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:43:55,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:43:55,245 INFO L87 Difference]: Start difference. First operand 6 states and 7 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:43:55,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:43:55,274 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. [2022-11-23 15:43:55,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:43:55,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-23 15:43:55,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:43:55,281 INFO L225 Difference]: With dead ends: 7 [2022-11-23 15:43:55,282 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 15:43:55,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 15:43:55,284 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 1 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:43:55,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:43:55,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 15:43:55,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 15:43:55,286 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 15:43:55,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 15:43:55,286 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2022-11-23 15:43:55,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:43:55,287 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 15:43:55,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:43:55,287 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 15:43:55,300 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 15:43:55,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 15:43:55,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 15:43:55,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:43:55,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 15:43:55,323 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2022-11-23 15:43:55,324 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:43:55,324 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2022-11-23 15:43:55,324 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2022-11-23 15:43:55,324 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2022-11-23 15:43:55,325 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 15:43:55,325 INFO L899 garLoopResultBuilder]: For program point L18(lines 18 20) no Hoare annotation was computed. [2022-11-23 15:43:55,325 INFO L895 garLoopResultBuilder]: At program point L18-2(lines 17 21) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) [2022-11-23 15:43:55,329 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 15:43:55,332 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:43:55,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:43:55 BoogieIcfgContainer [2022-11-23 15:43:55,348 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:43:55,348 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:43:55,348 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:43:55,349 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:43:55,349 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:43:54" (3/4) ... [2022-11-23 15:43:55,353 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 15:43:55,363 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-23 15:43:55,363 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-23 15:43:55,364 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 15:43:55,412 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1ab6c3-872b-4cea-800d-319eb7229e4f/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:43:55,426 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:43:55,428 INFO L158 Benchmark]: Toolchain (without parser) took 1465.23ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 70.1MB in the end (delta: 35.8MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2022-11-23 15:43:55,428 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:43:55,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.38ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 112.1MB in the end (delta: -6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-23 15:43:55,429 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.06ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 110.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:43:55,430 INFO L158 Benchmark]: Boogie Preprocessor took 16.95ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 109.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:43:55,431 INFO L158 Benchmark]: RCFGBuilder took 350.86ms. Allocated memory is still 142.6MB. Free memory was 109.4MB in the beginning and 100.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-23 15:43:55,431 INFO L158 Benchmark]: TraceAbstraction took 715.51ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 72.8MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-23 15:43:55,432 INFO L158 Benchmark]: Witness Printer took 78.47ms. Allocated memory is still 142.6MB. Free memory was 72.3MB in the beginning and 70.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:43:55,435 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.38ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 112.1MB in the end (delta: -6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.06ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 110.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.95ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 109.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 350.86ms. Allocated memory is still 142.6MB. Free memory was 109.4MB in the beginning and 100.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 715.51ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 72.8MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 78.47ms. Allocated memory is still 142.6MB. Free memory was 72.3MB in the beginning and 70.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: 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: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: 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, 8 locations, 2 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, 5 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 1 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred 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, 2 NumberOfFragments, 5 HoareAnnotationTreeSize, 1 FomulaSimplifications, 10 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 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 2 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 <= x + 2147483648 RESULT: Ultimate proved your program to be correct! [2022-11-23 15:43:55,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1ab6c3-872b-4cea-800d-319eb7229e4f/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE