./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896367fb-f58c-421e-9712-6ccacb12d798/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896367fb-f58c-421e-9712-6ccacb12d798/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896367fb-f58c-421e-9712-6ccacb12d798/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896367fb-f58c-421e-9712-6ccacb12d798/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896367fb-f58c-421e-9712-6ccacb12d798/bin/utaipan-q2qaUkNPG8/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896367fb-f58c-421e-9712-6ccacb12d798/bin/utaipan-q2qaUkNPG8 --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 db3e3e94b73f9c133562ce736092764b1fa0689e ................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896367fb-f58c-421e-9712-6ccacb12d798/bin/utaipan-q2qaUkNPG8/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: No corresponding IProgramVar for |v_#valid_47| --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:57:41,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:57:41,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:57:41,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:57:41,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:57:41,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:57:41,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:57:41,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:57:41,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:57:41,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:57:41,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:57:41,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:57:41,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:57:41,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:57:41,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:57:41,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:57:41,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:57:41,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:57:41,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:57:41,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:57:41,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:57:41,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:57:41,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:57:41,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:57:41,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:57:41,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:57:41,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:57:41,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:57:41,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:57:41,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:57:41,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:57:41,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:57:41,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:57:41,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:57:41,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:57:41,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:57:41,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:57:41,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:57:41,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:57:41,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:57:41,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:57:41,229 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896367fb-f58c-421e-9712-6ccacb12d798/bin/utaipan-q2qaUkNPG8/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-10-13 07:57:41,273 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:57:41,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:57:41,274 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:57:41,275 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:57:41,275 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:57:41,275 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:57:41,275 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:57:41,276 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:57:41,276 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:57:41,276 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:57:41,277 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:57:41,278 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:57:41,278 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:57:41,278 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:57:41,278 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:57:41,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:57:41,279 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:57:41,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:57:41,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:57:41,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:57:41,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:57:41,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:57:41,281 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 07:57:41,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:57:41,281 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:57:41,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:57:41,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:57:41,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:57:41,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:57:41,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:57:41,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:57:41,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:57:41,285 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:57:41,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:57:41,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:57:41,286 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:57:41,286 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:57:41,286 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_896367fb-f58c-421e-9712-6ccacb12d798/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896367fb-f58c-421e-9712-6ccacb12d798/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db3e3e94b73f9c133562ce736092764b1fa0689e [2021-10-13 07:57:41,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:57:41,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:57:41,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:57:41,635 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:57:41,636 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:57:41,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896367fb-f58c-421e-9712-6ccacb12d798/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2021-10-13 07:57:41,697 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896367fb-f58c-421e-9712-6ccacb12d798/bin/utaipan-q2qaUkNPG8/data/25ab81524/b2c14d92473d482b8939264361256afc/FLAGdcfc8812c [2021-10-13 07:57:42,316 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:57:42,317 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896367fb-f58c-421e-9712-6ccacb12d798/sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2021-10-13 07:57:42,336 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896367fb-f58c-421e-9712-6ccacb12d798/bin/utaipan-q2qaUkNPG8/data/25ab81524/b2c14d92473d482b8939264361256afc/FLAGdcfc8812c [2021-10-13 07:57:42,575 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896367fb-f58c-421e-9712-6ccacb12d798/bin/utaipan-q2qaUkNPG8/data/25ab81524/b2c14d92473d482b8939264361256afc [2021-10-13 07:57:42,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:57:42,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:57:42,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:57:42,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:57:42,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:57:42,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:57:42" (1/1) ... [2021-10-13 07:57:42,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52654065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:57:42, skipping insertion in model container [2021-10-13 07:57:42,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:57:42" (1/1) ... [2021-10-13 07:57:42,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:57:42,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:57:43,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:57:43,270 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:57:43,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:57:43,458 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:57:43,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:57:43 WrapperNode [2021-10-13 07:57:43,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:57:43,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:57:43,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:57:43,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:57:43,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:57:43" (1/1) ... [2021-10-13 07:57:43,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:57:43" (1/1) ... [2021-10-13 07:57:43,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:57:43,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:57:43,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:57:43,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:57:43,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:57:43" (1/1) ... [2021-10-13 07:57:43,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:57:43" (1/1) ... [2021-10-13 07:57:43,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:57:43" (1/1) ... [2021-10-13 07:57:43,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:57:43" (1/1) ... [2021-10-13 07:57:43,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:57:43" (1/1) ... [2021-10-13 07:57:43,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:57:43" (1/1) ... [2021-10-13 07:57:43,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:57:43" (1/1) ... [2021-10-13 07:57:43,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:57:43,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:57:43,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:57:43,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:57:43,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:57:43" (1/1) ... [2021-10-13 07:57:43,623 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:57:43,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896367fb-f58c-421e-9712-6ccacb12d798/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:57:43,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896367fb-f58c-421e-9712-6ccacb12d798/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:57:43,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896367fb-f58c-421e-9712-6ccacb12d798/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:57:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:57:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 07:57:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 07:57:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 07:57:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 07:57:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-13 07:57:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 07:57:43,699 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2021-10-13 07:57:43,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 07:57:43,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 07:57:43,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:57:43,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:57:44,788 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:57:44,788 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-10-13 07:57:44,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:57:44 BoogieIcfgContainer [2021-10-13 07:57:44,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:57:44,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:57:44,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:57:44,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:57:44,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:57:42" (1/3) ... [2021-10-13 07:57:44,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e9cca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:57:44, skipping insertion in model container [2021-10-13 07:57:44,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:57:43" (2/3) ... [2021-10-13 07:57:44,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e9cca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:57:44, skipping insertion in model container [2021-10-13 07:57:44,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:57:44" (3/3) ... [2021-10-13 07:57:44,800 INFO L111 eAbstractionObserver]: Analyzing ICFG dirname-1.i [2021-10-13 07:57:44,806 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:57:44,806 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-10-13 07:57:44,866 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:57:44,873 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:57:44,873 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-10-13 07:57:44,892 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 45 states have (on average 1.9111111111111112) internal successors, (86), 73 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:57:44,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 07:57:44,909 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:57:44,909 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-13 07:57:44,910 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2021-10-13 07:57:44,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:57:44,915 INFO L82 PathProgramCache]: Analyzing trace with hash 267122, now seen corresponding path program 1 times [2021-10-13 07:57:44,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:57:44,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984903659] [2021-10-13 07:57:44,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:57:44,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:57:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:57:45,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:57:45,186 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:57:45,187 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984903659] [2021-10-13 07:57:45,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984903659] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:57:45,189 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:57:45,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 07:57:45,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066252947] [2021-10-13 07:57:45,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:57:45,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:57:45,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:57:45,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:57:45,219 INFO L87 Difference]: Start difference. First operand has 74 states, 45 states have (on average 1.9111111111111112) internal successors, (86), 73 states have internal predecessors, (86), 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, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:57:45,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:57:45,276 INFO L93 Difference]: Finished difference Result 147 states and 171 transitions. [2021-10-13 07:57:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:57:45,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-10-13 07:57:45,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:57:45,287 INFO L225 Difference]: With dead ends: 147 [2021-10-13 07:57:45,288 INFO L226 Difference]: Without dead ends: 76 [2021-10-13 07:57:45,290 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:57:45,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-10-13 07:57:45,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-10-13 07:57:45,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 48 states have (on average 1.8333333333333333) internal successors, (88), 75 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:57:45,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 88 transitions. [2021-10-13 07:57:45,346 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 88 transitions. Word has length 3 [2021-10-13 07:57:45,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:57:45,346 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 88 transitions. [2021-10-13 07:57:45,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:57:45,347 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2021-10-13 07:57:45,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 07:57:45,347 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:57:45,347 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-13 07:57:45,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 07:57:45,348 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2021-10-13 07:57:45,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:57:45,349 INFO L82 PathProgramCache]: Analyzing trace with hash -850419262, now seen corresponding path program 1 times [2021-10-13 07:57:45,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:57:45,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978918874] [2021-10-13 07:57:45,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:57:45,350 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:57:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:57:45,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:57:45,462 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:57:45,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978918874] [2021-10-13 07:57:45,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978918874] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 07:57:45,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007565380] [2021-10-13 07:57:45,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:57:45,464 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:57:45,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896367fb-f58c-421e-9712-6ccacb12d798/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:57:45,470 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896367fb-f58c-421e-9712-6ccacb12d798/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:57:45,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896367fb-f58c-421e-9712-6ccacb12d798/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 07:57:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:57:45,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:57:45,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:57:45,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:57:45,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:57:45,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:57:45,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007565380] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:57:45,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1915027273] [2021-10-13 07:57:45,747 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2021-10-13 07:57:45,748 INFO L166 IcfgInterpreter]: Building call graph [2021-10-13 07:57:45,755 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-13 07:57:45,761 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-13 07:57:45,762 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-13 07:57:45,861 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:57:45,874 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-13 07:57:45,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:57:45,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 246 [2021-10-13 07:57:45,883 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-13 07:57:45,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:57:45,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-10-13 07:57:45,888 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-13 07:57:45,888 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:57:45,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-10-13 07:57:45,889 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-13 07:57:45,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:57:45,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-10-13 07:57:45,891 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-13 07:57:45,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:57:45,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-10-13 07:57:45,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 867 [2021-10-13 07:57:46,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:57:46,951 INFO L244 Elim1Store]: Index analysis took 919 ms [2021-10-13 07:57:46,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 106 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 66 [2021-10-13 07:57:46,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:57:46,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-10-13 07:57:46,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:57:46,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-10-13 07:57:46,975 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-13 07:57:46,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:47,104 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:57:47,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:57:47,156 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 883 [2021-10-13 07:57:47,161 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-13 07:57:47,165 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:860, output treesize:883 [2021-10-13 07:57:47,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896367fb-f58c-421e-9712-6ccacb12d798/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:57:47,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896367fb-f58c-421e-9712-6ccacb12d798/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:57:47,382 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: No corresponding IProgramVar for |v_#valid_47| at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:83) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.constructTermVarsProc(BasicPredicateFactory.java:92) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.newPredicate(BasicPredicateFactory.java:81) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.predicate(SymbolicTools.java:174) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-13 07:57:47,385 INFO L168 Benchmark]: Toolchain (without parser) took 4806.14 ms. Allocated memory was 88.1 MB in the beginning and 140.5 MB in the end (delta: 52.4 MB). Free memory was 50.9 MB in the beginning and 105.1 MB in the end (delta: -54.2 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:57:47,386 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory is still 69.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:57:47,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 878.67 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 50.7 MB in the beginning and 77.5 MB in the end (delta: -26.8 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:57:47,387 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.36 ms. Allocated memory is still 107.0 MB. Free memory was 77.5 MB in the beginning and 74.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:57:47,388 INFO L168 Benchmark]: Boogie Preprocessor took 45.58 ms. Allocated memory is still 107.0 MB. Free memory was 74.1 MB in the beginning and 71.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:57:47,388 INFO L168 Benchmark]: RCFGBuilder took 1178.65 ms. Allocated memory is still 107.0 MB. Free memory was 71.7 MB in the beginning and 63.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:57:47,389 INFO L168 Benchmark]: TraceAbstraction took 2590.76 ms. Allocated memory was 107.0 MB in the beginning and 140.5 MB in the end (delta: 33.6 MB). Free memory was 63.0 MB in the beginning and 105.1 MB in the end (delta: -42.1 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:57:47,393 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory is still 69.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 878.67 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 50.7 MB in the beginning and 77.5 MB in the end (delta: -26.8 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 106.36 ms. Allocated memory is still 107.0 MB. Free memory was 77.5 MB in the beginning and 74.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.58 ms. Allocated memory is still 107.0 MB. Free memory was 74.1 MB in the beginning and 71.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1178.65 ms. Allocated memory is still 107.0 MB. Free memory was 71.7 MB in the beginning and 63.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2590.76 ms. Allocated memory was 107.0 MB in the beginning and 140.5 MB in the end (delta: 33.6 MB). Free memory was 63.0 MB in the beginning and 105.1 MB in the end (delta: -42.1 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: No corresponding IProgramVar for |v_#valid_47| de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: No corresponding IProgramVar for |v_#valid_47|: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-13 07:57:47,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896367fb-f58c-421e-9712-6ccacb12d798/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...