./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5f4b32ab55ef7da7a1c45381b7a9ca93704fa76788ea88b9dbed6ebccc0ba509 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:50:52,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:50:52,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:50:52,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:50:52,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:50:52,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:50:52,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:50:52,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:50:52,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:50:52,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:50:52,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:50:52,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:50:52,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:50:52,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:50:52,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:50:52,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:50:52,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:50:52,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:50:52,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:50:52,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:50:52,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:50:52,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:50:52,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:50:52,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:50:52,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:50:52,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:50:52,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:50:52,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:50:52,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:50:52,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:50:52,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:50:52,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:50:52,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:50:52,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:50:52,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:50:52,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:50:52,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:50:52,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:50:52,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:50:52,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:50:52,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:50:52,315 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 16:50:52,347 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:50:52,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:50:52,357 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:50:52,357 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:50:52,361 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:50:52,362 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:50:52,362 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:50:52,363 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:50:52,363 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:50:52,363 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:50:52,363 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:50:52,364 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:50:52,364 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:50:52,365 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:50:52,366 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:50:52,366 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:50:52,367 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:50:52,367 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:50:52,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:50:52,368 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:50:52,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:50:52,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:50:52,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:50:52,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:50:52,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:50:52,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:50:52,372 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:50:52,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:50:52,372 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:50:52,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:50:52,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:50:52,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:50:52,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:50:52,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:50:52,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:50:52,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:50:52,375 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:50:52,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:50:52,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:50:52,376 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:50:52,376 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:50:52,376 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_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f4b32ab55ef7da7a1c45381b7a9ca93704fa76788ea88b9dbed6ebccc0ba509 [2021-11-23 16:50:52,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:50:52,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:50:52,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:50:52,748 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:50:52,749 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:50:52,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/eca-rers2012/Problem01_label10.c [2021-11-23 16:50:52,853 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/data/ed932e852/b977324fa16942fcb777a346e543d16c/FLAG55916985f [2021-11-23 16:50:53,545 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:50:53,557 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/sv-benchmarks/c/eca-rers2012/Problem01_label10.c [2021-11-23 16:50:53,581 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/data/ed932e852/b977324fa16942fcb777a346e543d16c/FLAG55916985f [2021-11-23 16:50:53,752 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/data/ed932e852/b977324fa16942fcb777a346e543d16c [2021-11-23 16:50:53,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:50:53,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:50:53,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:50:53,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:50:53,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:50:53,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:50:53" (1/1) ... [2021-11-23 16:50:53,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d429f01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:53, skipping insertion in model container [2021-11-23 16:50:53,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:50:53" (1/1) ... [2021-11-23 16:50:53,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:50:53,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:50:54,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/sv-benchmarks/c/eca-rers2012/Problem01_label10.c[19224,19237] [2021-11-23 16:50:54,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:50:54,351 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:50:54,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/sv-benchmarks/c/eca-rers2012/Problem01_label10.c[19224,19237] [2021-11-23 16:50:54,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:50:54,487 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:50:54,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:54 WrapperNode [2021-11-23 16:50:54,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:50:54,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:50:54,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:50:54,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:50:54,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:54" (1/1) ... [2021-11-23 16:50:54,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:54" (1/1) ... [2021-11-23 16:50:54,592 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657 [2021-11-23 16:50:54,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:50:54,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:50:54,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:50:54,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:50:54,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:54" (1/1) ... [2021-11-23 16:50:54,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:54" (1/1) ... [2021-11-23 16:50:54,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:54" (1/1) ... [2021-11-23 16:50:54,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:54" (1/1) ... [2021-11-23 16:50:54,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:54" (1/1) ... [2021-11-23 16:50:54,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:54" (1/1) ... [2021-11-23 16:50:54,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:54" (1/1) ... [2021-11-23 16:50:54,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:50:54,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:50:54,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:50:54,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:50:54,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:54" (1/1) ... [2021-11-23 16:50:54,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:50:54,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:50:54,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:50:54,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:50:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:50:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:50:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:50:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:50:54,954 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:50:54,956 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:50:55,970 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:50:56,036 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-11-23 16:50:56,047 INFO L158 Benchmark]: Toolchain (without parser) took 2286.06ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 56.2MB in the beginning and 45.1MB in the end (delta: 11.1MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2021-11-23 16:50:56,048 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 79.7MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 35.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:50:56,050 INFO L158 Benchmark]: CACSL2BoogieTranslator took 728.64ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 56.0MB in the beginning and 56.3MB in the end (delta: -303.0kB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 16:50:56,051 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.56ms. Allocated memory is still 96.5MB. Free memory was 56.3MB in the beginning and 50.5MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 16:50:56,052 INFO L158 Benchmark]: Boogie Preprocessor took 101.12ms. Allocated memory is still 96.5MB. Free memory was 50.5MB in the beginning and 70.9MB in the end (delta: -20.4MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2021-11-23 16:50:56,053 INFO L158 Benchmark]: RCFGBuilder took 1348.26ms. Allocated memory is still 96.5MB. Free memory was 70.6MB in the beginning and 45.1MB in the end (delta: 25.5MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2021-11-23 16:50:56,062 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 79.7MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 35.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 728.64ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 56.0MB in the beginning and 56.3MB in the end (delta: -303.0kB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.56ms. Allocated memory is still 96.5MB. Free memory was 56.3MB in the beginning and 50.5MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.12ms. Allocated memory is still 96.5MB. Free memory was 50.5MB in the beginning and 70.9MB in the end (delta: -20.4MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1348.26ms. Allocated memory is still 96.5MB. Free memory was 70.6MB in the beginning and 45.1MB in the end (delta: 25.5MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:50:56,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5f4b32ab55ef7da7a1c45381b7a9ca93704fa76788ea88b9dbed6ebccc0ba509 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:50:58,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:50:58,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:50:58,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:50:58,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:50:58,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:50:58,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:50:58,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:50:58,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:50:58,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:50:58,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:50:58,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:50:58,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:50:58,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:50:58,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:50:58,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:50:58,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:50:58,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:50:58,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:50:58,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:50:58,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:50:58,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:50:58,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:50:58,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:50:58,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:50:58,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:50:58,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:50:58,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:50:58,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:50:58,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:50:58,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:50:58,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:50:58,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:50:58,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:50:58,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:50:58,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:50:58,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:50:58,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:50:58,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:50:58,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:50:58,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:50:58,985 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 16:50:59,025 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:50:59,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:50:59,026 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:50:59,026 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:50:59,027 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:50:59,028 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:50:59,028 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:50:59,028 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:50:59,029 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:50:59,029 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:50:59,029 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:50:59,030 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:50:59,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:50:59,031 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:50:59,032 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:50:59,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:50:59,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:50:59,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:50:59,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:50:59,034 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:50:59,034 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:50:59,034 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:50:59,035 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:50:59,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:50:59,035 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:50:59,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:50:59,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:50:59,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:50:59,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:50:59,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:50:59,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:50:59,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:50:59,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:50:59,038 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:50:59,039 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:50:59,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:50:59,040 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:50:59,040 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:50:59,040 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f4b32ab55ef7da7a1c45381b7a9ca93704fa76788ea88b9dbed6ebccc0ba509 [2021-11-23 16:50:59,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:50:59,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:50:59,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:50:59,477 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:50:59,480 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:50:59,481 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/eca-rers2012/Problem01_label10.c [2021-11-23 16:50:59,568 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/data/236186781/2b2aa661e42b4d5393c1dac28a97fa4e/FLAG1b041afc6 [2021-11-23 16:51:00,299 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:51:00,300 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/sv-benchmarks/c/eca-rers2012/Problem01_label10.c [2021-11-23 16:51:00,316 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/data/236186781/2b2aa661e42b4d5393c1dac28a97fa4e/FLAG1b041afc6 [2021-11-23 16:51:00,539 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/data/236186781/2b2aa661e42b4d5393c1dac28a97fa4e [2021-11-23 16:51:00,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:51:00,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:51:00,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:51:00,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:51:00,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:51:00,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:51:00" (1/1) ... [2021-11-23 16:51:00,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@331d13ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:00, skipping insertion in model container [2021-11-23 16:51:00,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:51:00" (1/1) ... [2021-11-23 16:51:00,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:51:00,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:51:01,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/sv-benchmarks/c/eca-rers2012/Problem01_label10.c[19224,19237] [2021-11-23 16:51:01,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:51:01,131 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:51:01,261 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/sv-benchmarks/c/eca-rers2012/Problem01_label10.c[19224,19237] [2021-11-23 16:51:01,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:51:01,320 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:51:01,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:01 WrapperNode [2021-11-23 16:51:01,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:51:01,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:51:01,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:51:01,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:51:01,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:01" (1/1) ... [2021-11-23 16:51:01,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:01" (1/1) ... [2021-11-23 16:51:01,460 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 655 [2021-11-23 16:51:01,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:51:01,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:51:01,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:51:01,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:51:01,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:01" (1/1) ... [2021-11-23 16:51:01,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:01" (1/1) ... [2021-11-23 16:51:01,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:01" (1/1) ... [2021-11-23 16:51:01,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:01" (1/1) ... [2021-11-23 16:51:01,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:01" (1/1) ... [2021-11-23 16:51:01,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:01" (1/1) ... [2021-11-23 16:51:01,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:01" (1/1) ... [2021-11-23 16:51:01,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:51:01,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:51:01,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:51:01,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:51:01,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:01" (1/1) ... [2021-11-23 16:51:01,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:51:01,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:51:01,630 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:51:01,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:51:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:51:01,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:51:01,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:51:01,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:51:01,813 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:51:01,815 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:51:03,215 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:51:03,231 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 16:51:03,232 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 16:51:03,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:51:03 BoogieIcfgContainer [2021-11-23 16:51:03,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 16:51:03,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 16:51:03,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 16:51:03,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 16:51:03,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:51:00" (1/3) ... [2021-11-23 16:51:03,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f473c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:51:03, skipping insertion in model container [2021-11-23 16:51:03,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:01" (2/3) ... [2021-11-23 16:51:03,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f473c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:51:03, skipping insertion in model container [2021-11-23 16:51:03,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:51:03" (3/3) ... [2021-11-23 16:51:03,246 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label10.c [2021-11-23 16:51:03,252 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 16:51:03,253 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 16:51:03,317 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 16:51:03,324 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, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 16:51:03,324 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 16:51:03,348 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 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) [2021-11-23 16:51:03,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 16:51:03,362 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:51:03,363 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:51:03,364 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:51:03,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:51:03,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1265250489, now seen corresponding path program 1 times [2021-11-23 16:51:03,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:51:03,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1485323185] [2021-11-23 16:51:03,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:51:03,390 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:51:03,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:51:03,394 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:51:03,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 16:51:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:51:03,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 16:51:03,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:51:10,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:51:10,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:51:10,747 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:51:10,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1485323185] [2021-11-23 16:51:10,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1485323185] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:51:10,748 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:51:10,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 16:51:10,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249545702] [2021-11-23 16:51:10,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:51:10,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 16:51:10,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:51:10,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 16:51:10,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-11-23 16:51:10,813 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 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 10 states, 10 states have (on average 11.0) internal successors, (110), 9 states have internal predecessors, (110), 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) [2021-11-23 16:51:13,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:51:13,294 INFO L93 Difference]: Finished difference Result 723 states and 1297 transitions. [2021-11-23 16:51:13,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 16:51:13,297 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 9 states have internal predecessors, (110), 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 110 [2021-11-23 16:51:13,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:51:13,316 INFO L225 Difference]: With dead ends: 723 [2021-11-23 16:51:13,316 INFO L226 Difference]: Without dead ends: 324 [2021-11-23 16:51:13,322 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2021-11-23 16:51:13,327 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 525 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1404 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 1636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 1404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-23 16:51:13,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [525 Valid, 186 Invalid, 1636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [232 Valid, 1404 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-23 16:51:13,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-11-23 16:51:13,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 324. [2021-11-23 16:51:13,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 323 states have (on average 1.2972136222910218) internal successors, (419), 323 states have internal predecessors, (419), 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) [2021-11-23 16:51:13,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 419 transitions. [2021-11-23 16:51:13,403 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 419 transitions. Word has length 110 [2021-11-23 16:51:13,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:51:13,404 INFO L470 AbstractCegarLoop]: Abstraction has 324 states and 419 transitions. [2021-11-23 16:51:13,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 9 states have internal predecessors, (110), 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) [2021-11-23 16:51:13,404 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 419 transitions. [2021-11-23 16:51:13,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-23 16:51:13,411 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:51:13,412 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:51:13,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 16:51:13,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:51:13,625 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:51:13,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:51:13,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1143882623, now seen corresponding path program 1 times [2021-11-23 16:51:13,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:51:13,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1419320394] [2021-11-23 16:51:13,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:51:13,629 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:51:13,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:51:13,630 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:51:13,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 16:51:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:51:13,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 16:51:13,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:51:18,881 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:51:18,882 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:51:18,882 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:51:18,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1419320394] [2021-11-23 16:51:18,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1419320394] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:51:18,883 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:51:18,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 16:51:18,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369639522] [2021-11-23 16:51:18,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:51:18,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-23 16:51:18,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:51:18,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-23 16:51:18,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-11-23 16:51:18,887 INFO L87 Difference]: Start difference. First operand 324 states and 419 transitions. Second operand has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 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) [2021-11-23 16:51:21,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:51:21,288 INFO L93 Difference]: Finished difference Result 921 states and 1302 transitions. [2021-11-23 16:51:21,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 16:51:21,288 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 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 114 [2021-11-23 16:51:21,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:51:21,295 INFO L225 Difference]: With dead ends: 921 [2021-11-23 16:51:21,295 INFO L226 Difference]: Without dead ends: 526 [2021-11-23 16:51:21,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2021-11-23 16:51:21,298 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 790 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 2080 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 790 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 2191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 2080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-23 16:51:21,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [790 Valid, 113 Invalid, 2191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 2080 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-23 16:51:21,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2021-11-23 16:51:21,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 520. [2021-11-23 16:51:21,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 519 states have (on average 1.2870905587668593) internal successors, (668), 519 states have internal predecessors, (668), 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) [2021-11-23 16:51:21,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 668 transitions. [2021-11-23 16:51:21,343 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 668 transitions. Word has length 114 [2021-11-23 16:51:21,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:51:21,344 INFO L470 AbstractCegarLoop]: Abstraction has 520 states and 668 transitions. [2021-11-23 16:51:21,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 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) [2021-11-23 16:51:21,344 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 668 transitions. [2021-11-23 16:51:21,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-23 16:51:21,350 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:51:21,350 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:51:21,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 16:51:21,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:51:21,562 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:51:21,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:51:21,563 INFO L85 PathProgramCache]: Analyzing trace with hash 2120064666, now seen corresponding path program 1 times [2021-11-23 16:51:21,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:51:21,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [688875791] [2021-11-23 16:51:21,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:51:21,565 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:51:21,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:51:21,567 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:51:21,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 16:51:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:51:21,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 16:51:21,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:51:22,641 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:51:22,642 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 16:51:22,642 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 16:51:22,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [688875791] [2021-11-23 16:51:22,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [688875791] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 16:51:22,643 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 16:51:22,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 16:51:22,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585858611] [2021-11-23 16:51:22,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 16:51:22,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 16:51:22,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 16:51:22,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 16:51:22,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 16:51:22,646 INFO L87 Difference]: Start difference. First operand 520 states and 668 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 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) [2021-11-23 16:51:23,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 16:51:23,527 INFO L93 Difference]: Finished difference Result 1466 states and 1963 transitions. [2021-11-23 16:51:23,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 16:51:23,528 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 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 117 [2021-11-23 16:51:23,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 16:51:23,529 INFO L225 Difference]: With dead ends: 1466 [2021-11-23 16:51:23,529 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 16:51:23,532 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 16:51:23,533 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 238 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-23 16:51:23,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [238 Valid, 20 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-23 16:51:23,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 16:51:23,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 16:51:23,535 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) [2021-11-23 16:51:23,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 16:51:23,539 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 117 [2021-11-23 16:51:23,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 16:51:23,540 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 16:51:23,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 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) [2021-11-23 16:51:23,540 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 16:51:23,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 16:51:23,544 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 16:51:23,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-23 16:51:23,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:51:23,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 16:51:23,970 INFO L858 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2021-11-23 16:51:23,971 INFO L858 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2021-11-23 16:51:23,971 INFO L858 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2021-11-23 16:51:23,971 INFO L858 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2021-11-23 16:51:23,971 INFO L858 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2021-11-23 16:51:23,971 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2021-11-23 16:51:23,972 INFO L858 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2021-11-23 16:51:23,972 INFO L858 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2021-11-23 16:51:23,972 INFO L858 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,972 INFO L858 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,972 INFO L858 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,973 INFO L858 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,973 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2021-11-23 16:51:23,973 INFO L858 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,974 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,974 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2021-11-23 16:51:23,974 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2021-11-23 16:51:23,975 INFO L858 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2021-11-23 16:51:23,975 INFO L858 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2021-11-23 16:51:23,975 INFO L858 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2021-11-23 16:51:23,975 INFO L858 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2021-11-23 16:51:23,976 INFO L858 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2021-11-23 16:51:23,979 INFO L858 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2021-11-23 16:51:23,979 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2021-11-23 16:51:23,984 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2021-11-23 16:51:23,984 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2021-11-23 16:51:23,986 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2021-11-23 16:51:23,986 INFO L858 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,986 INFO L858 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,986 INFO L858 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,986 INFO L858 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,986 INFO L858 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,987 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2021-11-23 16:51:23,987 INFO L858 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,987 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2021-11-23 16:51:23,987 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2021-11-23 16:51:23,987 INFO L858 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2021-11-23 16:51:23,987 INFO L858 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2021-11-23 16:51:23,987 INFO L858 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2021-11-23 16:51:23,987 INFO L858 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2021-11-23 16:51:23,987 INFO L858 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2021-11-23 16:51:23,988 INFO L858 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2021-11-23 16:51:23,988 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2021-11-23 16:51:23,988 INFO L858 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2021-11-23 16:51:23,988 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2021-11-23 16:51:23,988 INFO L858 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2021-11-23 16:51:23,988 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2021-11-23 16:51:23,988 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2021-11-23 16:51:23,988 INFO L858 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,988 INFO L858 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,989 INFO L858 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,989 INFO L858 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,989 INFO L858 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,989 INFO L858 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,989 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2021-11-23 16:51:23,989 INFO L858 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2021-11-23 16:51:23,989 INFO L858 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2021-11-23 16:51:23,989 INFO L858 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2021-11-23 16:51:23,989 INFO L858 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2021-11-23 16:51:23,989 INFO L858 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2021-11-23 16:51:23,990 INFO L858 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2021-11-23 16:51:23,990 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2021-11-23 16:51:23,990 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2021-11-23 16:51:23,990 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2021-11-23 16:51:23,990 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2021-11-23 16:51:23,990 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2021-11-23 16:51:23,990 INFO L858 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,990 INFO L858 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,990 INFO L858 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,990 INFO L858 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,991 INFO L858 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,991 INFO L858 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,991 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2021-11-23 16:51:23,991 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2021-11-23 16:51:23,994 INFO L858 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2021-11-23 16:51:23,995 INFO L858 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2021-11-23 16:51:23,995 INFO L858 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2021-11-23 16:51:23,995 INFO L858 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2021-11-23 16:51:23,995 INFO L858 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2021-11-23 16:51:23,995 INFO L858 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2021-11-23 16:51:23,996 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2021-11-23 16:51:23,996 INFO L858 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2021-11-23 16:51:23,996 INFO L858 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,996 INFO L858 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,996 INFO L858 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,997 INFO L858 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,997 INFO L858 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,997 INFO L858 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:23,997 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2021-11-23 16:51:23,997 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2021-11-23 16:51:23,997 INFO L858 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2021-11-23 16:51:23,998 INFO L858 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2021-11-23 16:51:23,998 INFO L858 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2021-11-23 16:51:23,998 INFO L858 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2021-11-23 16:51:23,998 INFO L858 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2021-11-23 16:51:23,998 INFO L858 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2021-11-23 16:51:23,999 INFO L858 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2021-11-23 16:51:23,999 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2021-11-23 16:51:23,999 INFO L858 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2021-11-23 16:51:23,999 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2021-11-23 16:51:23,999 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2021-11-23 16:51:24,000 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2021-11-23 16:51:24,000 INFO L858 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2021-11-23 16:51:24,000 INFO L858 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,000 INFO L858 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,000 INFO L858 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,001 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,001 INFO L858 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,001 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 16:51:24,001 INFO L858 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2021-11-23 16:51:24,001 INFO L858 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2021-11-23 16:51:24,002 INFO L858 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2021-11-23 16:51:24,002 INFO L858 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2021-11-23 16:51:24,002 INFO L858 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2021-11-23 16:51:24,002 INFO L858 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2021-11-23 16:51:24,002 INFO L858 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2021-11-23 16:51:24,003 INFO L858 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2021-11-23 16:51:24,003 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2021-11-23 16:51:24,003 INFO L854 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (or (not (= ~a7~0 (_ bv1 32))) (not (= ~a8~0 (_ bv13 32))) (not (= (_ bv8 32) ~a12~0)) (and (= (_ bv1 32) ~a20~0) (= (_ bv4 32) ~a16~0) (= (_ bv1 32) ~a17~0)) (not (= (_ bv1 32) ~a21~0))) [2021-11-23 16:51:24,003 INFO L858 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,003 INFO L858 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,004 INFO L858 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,004 INFO L858 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,004 INFO L858 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,004 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2021-11-23 16:51:24,004 INFO L858 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2021-11-23 16:51:24,005 INFO L858 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2021-11-23 16:51:24,005 INFO L858 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2021-11-23 16:51:24,005 INFO L858 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2021-11-23 16:51:24,005 INFO L858 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2021-11-23 16:51:24,005 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2021-11-23 16:51:24,006 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2021-11-23 16:51:24,006 INFO L858 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2021-11-23 16:51:24,006 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2021-11-23 16:51:24,006 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2021-11-23 16:51:24,006 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2021-11-23 16:51:24,007 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 16:51:24,007 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2021-11-23 16:51:24,007 INFO L861 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2021-11-23 16:51:24,007 INFO L858 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,008 INFO L858 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,008 INFO L858 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,008 INFO L858 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,008 INFO L858 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,008 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2021-11-23 16:51:24,009 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2021-11-23 16:51:24,009 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2021-11-23 16:51:24,009 INFO L858 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2021-11-23 16:51:24,009 INFO L858 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2021-11-23 16:51:24,009 INFO L858 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2021-11-23 16:51:24,009 INFO L858 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2021-11-23 16:51:24,010 INFO L858 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2021-11-23 16:51:24,010 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2021-11-23 16:51:24,010 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-23 16:51:24,010 INFO L858 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,010 INFO L858 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,011 INFO L858 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,011 INFO L858 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,011 INFO L858 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2021-11-23 16:51:24,011 INFO L858 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,011 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2021-11-23 16:51:24,012 INFO L858 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2021-11-23 16:51:24,012 INFO L858 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2021-11-23 16:51:24,012 INFO L858 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2021-11-23 16:51:24,012 INFO L858 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2021-11-23 16:51:24,012 INFO L858 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2021-11-23 16:51:24,013 INFO L858 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2021-11-23 16:51:24,013 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2021-11-23 16:51:24,013 INFO L858 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2021-11-23 16:51:24,013 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2021-11-23 16:51:24,013 INFO L858 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2021-11-23 16:51:24,014 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2021-11-23 16:51:24,014 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2021-11-23 16:51:24,014 INFO L858 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,014 INFO L854 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (or (not (= ~a7~0 (_ bv1 32))) (not (= ~a8~0 (_ bv13 32))) (not (= (_ bv8 32) ~a12~0)) (and (= (_ bv1 32) ~a20~0) (= (_ bv4 32) ~a16~0) (= (_ bv1 32) ~a17~0)) (not (= (_ bv1 32) ~a21~0))) [2021-11-23 16:51:24,014 INFO L858 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,015 INFO L858 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,015 INFO L858 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,015 INFO L858 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,015 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2021-11-23 16:51:24,015 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-23 16:51:24,016 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2021-11-23 16:51:24,016 INFO L858 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2021-11-23 16:51:24,016 INFO L858 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2021-11-23 16:51:24,016 INFO L858 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2021-11-23 16:51:24,016 INFO L858 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2021-11-23 16:51:24,017 INFO L858 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2021-11-23 16:51:24,017 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2021-11-23 16:51:24,017 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2021-11-23 16:51:24,017 INFO L858 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,017 INFO L858 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,018 INFO L858 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,018 INFO L858 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,018 INFO L858 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 16:51:24,018 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2021-11-23 16:51:24,018 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2021-11-23 16:51:24,019 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2021-11-23 16:51:24,019 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2021-11-23 16:51:24,023 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-23 16:51:24,024 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 16:51:24,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:51:24 BoogieIcfgContainer [2021-11-23 16:51:24,042 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 16:51:24,043 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 16:51:24,043 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 16:51:24,043 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 16:51:24,044 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:51:03" (3/4) ... [2021-11-23 16:51:24,047 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 16:51:24,072 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-23 16:51:24,074 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 16:51:24,076 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 16:51:24,077 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 16:51:24,197 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/witness.graphml [2021-11-23 16:51:24,197 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 16:51:24,198 INFO L158 Benchmark]: Toolchain (without parser) took 23655.29ms. Allocated memory was 50.3MB in the beginning and 197.1MB in the end (delta: 146.8MB). Free memory was 24.3MB in the beginning and 149.4MB in the end (delta: -125.1MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2021-11-23 16:51:24,198 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 50.3MB. Free memory is still 30.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:51:24,199 INFO L158 Benchmark]: CACSL2BoogieTranslator took 776.26ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 24.1MB in the beginning and 45.3MB in the end (delta: -21.2MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2021-11-23 16:51:24,199 INFO L158 Benchmark]: Boogie Procedure Inliner took 139.03ms. Allocated memory is still 67.1MB. Free memory was 45.3MB in the beginning and 39.6MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 16:51:24,200 INFO L158 Benchmark]: Boogie Preprocessor took 122.90ms. Allocated memory is still 67.1MB. Free memory was 39.6MB in the beginning and 35.1MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:51:24,201 INFO L158 Benchmark]: RCFGBuilder took 1649.89ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 35.1MB in the beginning and 53.1MB in the end (delta: -17.9MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2021-11-23 16:51:24,201 INFO L158 Benchmark]: TraceAbstraction took 20803.84ms. Allocated memory was 94.4MB in the beginning and 197.1MB in the end (delta: 102.8MB). Free memory was 52.6MB in the beginning and 164.1MB in the end (delta: -111.5MB). Peak memory consumption was 100.2MB. Max. memory is 16.1GB. [2021-11-23 16:51:24,202 INFO L158 Benchmark]: Witness Printer took 154.51ms. Allocated memory is still 197.1MB. Free memory was 164.1MB in the beginning and 149.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 16:51:24,204 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 50.3MB. Free memory is still 30.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 776.26ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 24.1MB in the beginning and 45.3MB in the end (delta: -21.2MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 139.03ms. Allocated memory is still 67.1MB. Free memory was 45.3MB in the beginning and 39.6MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 122.90ms. Allocated memory is still 67.1MB. Free memory was 39.6MB in the beginning and 35.1MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1649.89ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 35.1MB in the beginning and 53.1MB in the end (delta: -17.9MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * TraceAbstraction took 20803.84ms. Allocated memory was 94.4MB in the beginning and 197.1MB in the end (delta: 102.8MB). Free memory was 52.6MB in the beginning and 164.1MB in the end (delta: -111.5MB). Peak memory consumption was 100.2MB. Max. memory is 16.1GB. * Witness Printer took 154.51ms. Allocated memory is still 197.1MB. Free memory was 164.1MB in the beginning and 149.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. 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: 516]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.7s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1553 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1553 mSDsluCounter, 319 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 452 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4123 IncrementalHoareTripleChecker+Invalid, 4575 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 452 mSolverCounterUnsat, 225 mSDtfsCounter, 4123 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 342 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=520occurred in iteration=2, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 28 NumberOfFragments, 55 HoareAnnotationTreeSize, 3 FomulaSimplifications, 311 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 688 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 13.3s InterpolantComputationTime, 341 NumberOfCodeBlocks, 341 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 9692 SizeOfPredicates, 19 NumberOfNonLiveVariables, 486 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 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 1 specifications checked. All of them hold - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((!(a7 == 1bv32) || !(a8 == 13bv32)) || !(8bv32 == a12)) || ((1bv32 == a20 && 4bv32 == a16) && 1bv32 == a17)) || !(1bv32 == a21) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((!(a7 == 1bv32) || !(a8 == 13bv32)) || !(8bv32 == a12)) || ((1bv32 == a20 && 4bv32 == a16) && 1bv32 == a17)) || !(1bv32 == a21) RESULT: Ultimate proved your program to be correct! [2021-11-23 16:51:24,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baa9b6c-4aae-4e57-9189-8c9055c2d0de/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE