./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI --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 67645b836df889874dae0b8aac8cecb073b5cdb8 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI --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 67645b836df889874dae0b8aac8cecb073b5cdb8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:30:10,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:10,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:10,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:10,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:10,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:10,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:10,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:10,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:10,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:10,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:10,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:10,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:10,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:10,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:10,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:10,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:10,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:10,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:10,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:10,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:10,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:10,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:10,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:10,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:10,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:10,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:10,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:10,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:10,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:10,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:10,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:10,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:10,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:10,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:10,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:10,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:10,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:10,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:10,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:10,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:10,484 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:30:10,533 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:10,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:10,539 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:10,539 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:10,539 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:10,540 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:10,540 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:30:10,540 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:10,546 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:10,547 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:30:10,548 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:30:10,548 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:10,549 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:30:10,549 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:30:10,549 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:30:10,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:10,550 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:10,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:30:10,550 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:10,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:10,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:10,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:10,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:10,551 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:10,552 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:10,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:10,552 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:10,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:10,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:10,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:10,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:10,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:10,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:10,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:10,556 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:30:10,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:30:10,556 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:10,557 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:10,557 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:10,557 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_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67645b836df889874dae0b8aac8cecb073b5cdb8 [2021-10-11 02:30:10,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:10,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:10,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:10,877 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:10,877 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:10,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2021-10-11 02:30:10,964 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/data/09405987d/2be78ff4745a4f2c8d98c7a4f35ef27f/FLAGde048fba5 [2021-10-11 02:30:11,451 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:11,456 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2021-10-11 02:30:11,468 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/data/09405987d/2be78ff4745a4f2c8d98c7a4f35ef27f/FLAGde048fba5 [2021-10-11 02:30:11,784 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/data/09405987d/2be78ff4745a4f2c8d98c7a4f35ef27f [2021-10-11 02:30:11,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:11,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:11,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:11,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:11,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:11,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:11" (1/1) ... [2021-10-11 02:30:11,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@360bc705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:11, skipping insertion in model container [2021-10-11 02:30:11,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:11" (1/1) ... [2021-10-11 02:30:11,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:11,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:12,137 WARN L226 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_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2021-10-11 02:30:12,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:12,155 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:30:12,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@79488739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:12, skipping insertion in model container [2021-10-11 02:30:12,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:12,156 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:30:12,159 INFO L168 Benchmark]: Toolchain (without parser) took 370.05 ms. Allocated memory is still 98.6 MB. Free memory was 62.6 MB in the beginning and 72.7 MB in the end (delta: -10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:12,160 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 98.6 MB. Free memory was 79.9 MB in the beginning and 79.9 MB in the end (delta: 61.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:12,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.77 ms. Allocated memory is still 98.6 MB. Free memory was 62.4 MB in the beginning and 72.7 MB in the end (delta: -10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:12,163 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 98.6 MB. Free memory was 79.9 MB in the beginning and 79.9 MB in the end (delta: 61.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 354.77 ms. Allocated memory is still 98.6 MB. Free memory was 62.4 MB in the beginning and 72.7 MB in the end (delta: -10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 429]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:30:14,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:14,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:14,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:14,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:14,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:14,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:14,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:14,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:14,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:14,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:14,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:14,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:14,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:14,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:14,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:14,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:14,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:14,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:14,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:14,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:14,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:14,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:14,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:14,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:14,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:14,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:14,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:14,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:14,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:14,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:14,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:14,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:14,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:14,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:14,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:14,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:14,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:14,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:14,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:14,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:14,617 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:30:14,656 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:14,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:14,659 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:14,659 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:14,659 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:14,659 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:14,660 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:14,660 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:14,660 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:14,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:14,663 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:14,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:14,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:14,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:14,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:14,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:14,665 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:14,665 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:30:14,666 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:30:14,666 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:14,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:14,666 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:14,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:14,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:14,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:30:14,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:14,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:14,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:14,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:14,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:14,669 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:30:14,669 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:14,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:14,670 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:14,670 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:14,670 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_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67645b836df889874dae0b8aac8cecb073b5cdb8 [2021-10-11 02:30:15,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:15,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:15,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:15,086 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:15,086 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:15,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2021-10-11 02:30:15,174 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/data/178f6bbec/0c7b09e209744b7b8fcb2c206c7d3b31/FLAG86cb8be8d [2021-10-11 02:30:15,896 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:15,897 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2021-10-11 02:30:15,918 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/data/178f6bbec/0c7b09e209744b7b8fcb2c206c7d3b31/FLAG86cb8be8d [2021-10-11 02:30:16,173 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/data/178f6bbec/0c7b09e209744b7b8fcb2c206c7d3b31 [2021-10-11 02:30:16,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:16,178 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:16,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:16,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:16,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:16,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:16" (1/1) ... [2021-10-11 02:30:16,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1102fe21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:16, skipping insertion in model container [2021-10-11 02:30:16,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:16" (1/1) ... [2021-10-11 02:30:16,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:16,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:16,684 WARN L226 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_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2021-10-11 02:30:16,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:16,702 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:30:16,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:16,781 WARN L226 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_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2021-10-11 02:30:16,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:16,804 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:30:16,900 WARN L226 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_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2021-10-11 02:30:16,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:16,929 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:30:16,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:16 WrapperNode [2021-10-11 02:30:16,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:16,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:16,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:30:16,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:30:16,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:16" (1/1) ... [2021-10-11 02:30:16,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:16" (1/1) ... [2021-10-11 02:30:17,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:17,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:30:17,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:30:17,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:30:17,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:16" (1/1) ... [2021-10-11 02:30:17,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:16" (1/1) ... [2021-10-11 02:30:17,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:16" (1/1) ... [2021-10-11 02:30:17,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:16" (1/1) ... [2021-10-11 02:30:17,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:16" (1/1) ... [2021-10-11 02:30:17,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:16" (1/1) ... [2021-10-11 02:30:17,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:16" (1/1) ... [2021-10-11 02:30:17,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:30:17,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:30:17,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:30:17,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:30:17,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:16" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:17,204 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2021-10-11 02:30:17,205 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2021-10-11 02:30:17,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-11 02:30:17,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-10-11 02:30:17,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-10-11 02:30:17,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:30:17,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-11 02:30:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-11 02:30:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:30:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-11 02:30:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-10-11 02:30:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-11 02:30:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-10-11 02:30:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-11 02:30:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:30:17,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:30:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-11 02:30:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:30:17,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-11 02:30:19,057 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:30:19,058 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2021-10-11 02:30:19,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:19 BoogieIcfgContainer [2021-10-11 02:30:19,061 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:30:19,063 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:30:19,063 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:30:19,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:30:19,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:30:16" (1/3) ... [2021-10-11 02:30:19,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3bdddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:19, skipping insertion in model container [2021-10-11 02:30:19,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:16" (2/3) ... [2021-10-11 02:30:19,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3bdddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:19, skipping insertion in model container [2021-10-11 02:30:19,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:19" (3/3) ... [2021-10-11 02:30:19,072 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_1.c [2021-10-11 02:30:19,094 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:30:19,098 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:30:19,110 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:30:19,134 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:30:19,134 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:30:19,134 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:30:19,134 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:30:19,134 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:30:19,135 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:30:19,135 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:30:19,135 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:30:19,156 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2021-10-11 02:30:19,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:30:19,165 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:19,166 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:19,166 INFO L429 AbstractCegarLoop]: === Iteration 1 === [Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:19,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:19,172 INFO L82 PathProgramCache]: Analyzing trace with hash 437048265, now seen corresponding path program 1 times [2021-10-11 02:30:19,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:19,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [409067045] [2021-10-11 02:30:19,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:19,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:30:19,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:19,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:19,613 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:19,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [409067045] [2021-10-11 02:30:19,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:19,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:19,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056188984] [2021-10-11 02:30:19,621 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:30:19,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:19,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:30:19,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:19,641 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 2 states. [2021-10-11 02:30:19,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:19,698 INFO L93 Difference]: Finished difference Result 347 states and 566 transitions. [2021-10-11 02:30:19,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:30:19,700 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2021-10-11 02:30:19,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:19,712 INFO L225 Difference]: With dead ends: 347 [2021-10-11 02:30:19,712 INFO L226 Difference]: Without dead ends: 172 [2021-10-11 02:30:19,716 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:19,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-10-11 02:30:19,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2021-10-11 02:30:19,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2021-10-11 02:30:19,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 268 transitions. [2021-10-11 02:30:19,775 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 268 transitions. Word has length 19 [2021-10-11 02:30:19,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:19,775 INFO L481 AbstractCegarLoop]: Abstraction has 172 states and 268 transitions. [2021-10-11 02:30:19,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:30:19,776 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 268 transitions. [2021-10-11 02:30:19,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:30:19,780 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:19,780 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:19,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:30:19,994 INFO L429 AbstractCegarLoop]: === Iteration 2 === [Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:19,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:19,995 INFO L82 PathProgramCache]: Analyzing trace with hash -794654387, now seen corresponding path program 1 times [2021-10-11 02:30:19,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:19,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1622314183] [2021-10-11 02:30:19,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:20,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:20,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:20,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:20,288 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:20,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1622314183] [2021-10-11 02:30:20,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:20,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:20,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436581188] [2021-10-11 02:30:20,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:20,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:20,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:20,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:20,297 INFO L87 Difference]: Start difference. First operand 172 states and 268 transitions. Second operand 3 states. [2021-10-11 02:30:20,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:20,408 INFO L93 Difference]: Finished difference Result 486 states and 767 transitions. [2021-10-11 02:30:20,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:20,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:30:20,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:20,412 INFO L225 Difference]: With dead ends: 486 [2021-10-11 02:30:20,413 INFO L226 Difference]: Without dead ends: 319 [2021-10-11 02:30:20,415 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:20,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-10-11 02:30:20,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 173. [2021-10-11 02:30:20,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2021-10-11 02:30:20,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 269 transitions. [2021-10-11 02:30:20,434 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 269 transitions. Word has length 19 [2021-10-11 02:30:20,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:20,435 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 269 transitions. [2021-10-11 02:30:20,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:20,435 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 269 transitions. [2021-10-11 02:30:20,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-11 02:30:20,437 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:20,437 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:20,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:30:20,645 INFO L429 AbstractCegarLoop]: === Iteration 3 === [Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:20,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:20,645 INFO L82 PathProgramCache]: Analyzing trace with hash 57389583, now seen corresponding path program 1 times [2021-10-11 02:30:20,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:20,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [240863972] [2021-10-11 02:30:20,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:20,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 02:30:20,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:20,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:20,940 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:30:21,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:21,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [240863972] [2021-10-11 02:30:21,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [151653867] [2021-10-11 02:30:21,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:21,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 02:30:21,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:21,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-11 02:30:21,340 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:21,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:30:21,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2021-10-11 02:30:21,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467538413] [2021-10-11 02:30:21,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:30:21,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:21,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:30:21,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:30:21,342 INFO L87 Difference]: Start difference. First operand 173 states and 269 transitions. Second operand 4 states. [2021-10-11 02:30:21,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:21,411 INFO L93 Difference]: Finished difference Result 210 states and 313 transitions. [2021-10-11 02:30:21,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:30:21,411 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2021-10-11 02:30:21,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:21,414 INFO L225 Difference]: With dead ends: 210 [2021-10-11 02:30:21,414 INFO L226 Difference]: Without dead ends: 188 [2021-10-11 02:30:21,415 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:30:21,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-10-11 02:30:21,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186. [2021-10-11 02:30:21,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2021-10-11 02:30:21,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 285 transitions. [2021-10-11 02:30:21,429 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 285 transitions. Word has length 21 [2021-10-11 02:30:21,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:21,429 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 285 transitions. [2021-10-11 02:30:21,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:30:21,429 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 285 transitions. [2021-10-11 02:30:21,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:30:21,432 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:21,432 INFO L422 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] [2021-10-11 02:30:21,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3,5 cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:21,852 INFO L429 AbstractCegarLoop]: === Iteration 4 === [Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:21,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:21,852 INFO L82 PathProgramCache]: Analyzing trace with hash 2115889006, now seen corresponding path program 1 times [2021-10-11 02:30:21,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:21,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1727524442] [2021-10-11 02:30:21,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:22,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 02:30:22,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:22,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 02:30:22,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:30:22,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 02:30:22,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1727524442] [2021-10-11 02:30:22,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1450871455] [2021-10-11 02:30:22,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:22,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:22,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:22,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-11 02:30:22,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:30:22,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-11 02:30:22,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039939294] [2021-10-11 02:30:22,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:30:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:22,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 02:30:22,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:23,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-11 02:30:23,132 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:23,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2021-10-11 02:30:23,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4, 6, 6] total 15 [2021-10-11 02:30:23,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660386174] [2021-10-11 02:30:23,133 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:23,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:23,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:23,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-11 02:30:23,134 INFO L87 Difference]: Start difference. First operand 186 states and 285 transitions. Second operand 3 states. [2021-10-11 02:30:23,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:23,149 INFO L93 Difference]: Finished difference Result 198 states and 299 transitions. [2021-10-11 02:30:23,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:23,151 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2021-10-11 02:30:23,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:23,158 INFO L225 Difference]: With dead ends: 198 [2021-10-11 02:30:23,158 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:30:23,162 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-11 02:30:23,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:30:23,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:30:23,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:30:23,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:30:23,166 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-10-11 02:30:23,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:23,166 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:30:23,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:23,167 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:30:23,167 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:30:23,774 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt,6 mathsat -unsat_core_generation=3,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:30:23,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:30:23,919 INFO L262 CegarLoopResult]: For program point L11(lines 11 14) no Hoare annotation was computed. [2021-10-11 02:30:23,919 INFO L262 CegarLoopResult]: For program point L11-2(lines 11 14) no Hoare annotation was computed. [2021-10-11 02:30:23,919 INFO L262 CegarLoopResult]: For program point Id_MCDC_113EXIT(lines 305 324) no Hoare annotation was computed. [2021-10-11 02:30:23,919 INFO L262 CegarLoopResult]: For program point L313(lines 313 320) no Hoare annotation was computed. [2021-10-11 02:30:23,920 INFO L262 CegarLoopResult]: For program point L280(lines 280 294) no Hoare annotation was computed. [2021-10-11 02:30:23,920 INFO L262 CegarLoopResult]: For program point L313-2(lines 313 320) no Hoare annotation was computed. [2021-10-11 02:30:23,920 INFO L262 CegarLoopResult]: For program point L309(lines 309 312) no Hoare annotation was computed. [2021-10-11 02:30:23,920 INFO L262 CegarLoopResult]: For program point L487(lines 487 490) no Hoare annotation was computed. [2021-10-11 02:30:23,920 INFO L262 CegarLoopResult]: For program point Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION(line 489) no Hoare annotation was computed. [2021-10-11 02:30:23,921 INFO L258 CegarLoopResult]: At program point L487-2(lines 485 492) the Hoare annotation is: (and (or (= (bvadd Id_MCDC_113_~Id_MCDC_111 (_ bv4294967292 32)) (_ bv0 32)) (not (= (_ bv4 32) |Id_MCDC_113_#in~Id_MCDC_111|))) (= (_ bv1 32) Id_MCDC_113___VERIFIER_assert_~Id_MCDC_121)) [2021-10-11 02:30:23,921 INFO L265 CegarLoopResult]: At program point Id_MCDC_113ENTRY(lines 305 324) the Hoare annotation is: true [2021-10-11 02:30:23,921 INFO L262 CegarLoopResult]: For program point Id_MCDC_113FINAL(lines 305 324) no Hoare annotation was computed. [2021-10-11 02:30:23,922 INFO L262 CegarLoopResult]: For program point L9(lines 9 15) no Hoare annotation was computed. [2021-10-11 02:30:23,922 INFO L262 CegarLoopResult]: For program point L9-1(lines 9 15) no Hoare annotation was computed. [2021-10-11 02:30:23,922 INFO L262 CegarLoopResult]: For program point L286(lines 286 294) no Hoare annotation was computed. [2021-10-11 02:30:23,922 INFO L258 CegarLoopResult]: At program point L315(line 315) the Hoare annotation is: (or (= (bvadd Id_MCDC_113_~Id_MCDC_111 (_ bv4294967292 32)) (_ bv0 32)) (not (= (_ bv4 32) |Id_MCDC_113_#in~Id_MCDC_111|))) [2021-10-11 02:30:23,922 INFO L262 CegarLoopResult]: For program point L315-1(line 315) no Hoare annotation was computed. [2021-10-11 02:30:23,923 INFO L265 CegarLoopResult]: At program point L303(lines 274 304) the Hoare annotation is: true [2021-10-11 02:30:23,923 INFO L262 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2021-10-11 02:30:23,931 INFO L262 CegarLoopResult]: For program point L295-1(lines 275 304) no Hoare annotation was computed. [2021-10-11 02:30:23,932 INFO L262 CegarLoopResult]: For program point L295-2(lines 295 302) no Hoare annotation was computed. [2021-10-11 02:30:23,932 INFO L262 CegarLoopResult]: For program point L333-1(lines 333 340) no Hoare annotation was computed. [2021-10-11 02:30:23,932 INFO L265 CegarLoopResult]: At program point L234(lines 234 250) the Hoare annotation is: true [2021-10-11 02:30:23,932 INFO L265 CegarLoopResult]: At program point L333-3(lines 333 340) the Hoare annotation is: true [2021-10-11 02:30:23,932 INFO L265 CegarLoopResult]: At program point L234-1(lines 234 250) the Hoare annotation is: true [2021-10-11 02:30:23,932 INFO L262 CegarLoopResult]: For program point L333-4(lines 333 340) no Hoare annotation was computed. [2021-10-11 02:30:23,932 INFO L265 CegarLoopResult]: At program point L234-2(lines 234 250) the Hoare annotation is: true [2021-10-11 02:30:23,933 INFO L265 CegarLoopResult]: At program point L234-3(lines 234 250) the Hoare annotation is: true [2021-10-11 02:30:23,933 INFO L262 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2021-10-11 02:30:23,933 INFO L262 CegarLoopResult]: For program point L433-2(lines 433 440) no Hoare annotation was computed. [2021-10-11 02:30:23,933 INFO L262 CegarLoopResult]: For program point L401-2(lines 401 418) no Hoare annotation was computed. [2021-10-11 02:30:23,933 INFO L265 CegarLoopResult]: At program point L401-3(lines 401 418) the Hoare annotation is: true [2021-10-11 02:30:23,933 INFO L262 CegarLoopResult]: For program point L401-4(lines 401 418) no Hoare annotation was computed. [2021-10-11 02:30:23,933 INFO L262 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2021-10-11 02:30:23,933 INFO L262 CegarLoopResult]: For program point L236-2(line 236) no Hoare annotation was computed. [2021-10-11 02:30:23,934 INFO L262 CegarLoopResult]: For program point L236-3(line 236) no Hoare annotation was computed. [2021-10-11 02:30:23,934 INFO L262 CegarLoopResult]: For program point L236-5(line 236) no Hoare annotation was computed. [2021-10-11 02:30:23,934 INFO L262 CegarLoopResult]: For program point L236-6(line 236) no Hoare annotation was computed. [2021-10-11 02:30:23,934 INFO L262 CegarLoopResult]: For program point L236-8(line 236) no Hoare annotation was computed. [2021-10-11 02:30:23,934 INFO L262 CegarLoopResult]: For program point L236-9(line 236) no Hoare annotation was computed. [2021-10-11 02:30:23,934 INFO L262 CegarLoopResult]: For program point L236-11(line 236) no Hoare annotation was computed. [2021-10-11 02:30:23,934 INFO L262 CegarLoopResult]: For program point L336(lines 336 339) no Hoare annotation was computed. [2021-10-11 02:30:23,934 INFO L262 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2021-10-11 02:30:23,935 INFO L262 CegarLoopResult]: For program point L237-2(line 237) no Hoare annotation was computed. [2021-10-11 02:30:23,935 INFO L262 CegarLoopResult]: For program point L237-4(line 237) no Hoare annotation was computed. [2021-10-11 02:30:23,935 INFO L262 CegarLoopResult]: For program point L237-6(line 237) no Hoare annotation was computed. [2021-10-11 02:30:23,935 INFO L262 CegarLoopResult]: For program point L403(lines 403 406) no Hoare annotation was computed. [2021-10-11 02:30:23,935 INFO L265 CegarLoopResult]: At program point L272(lines 218 273) the Hoare annotation is: true [2021-10-11 02:30:23,935 INFO L262 CegarLoopResult]: For program point L239(line 239) no Hoare annotation was computed. [2021-10-11 02:30:23,935 INFO L265 CegarLoopResult]: At program point L272-1(lines 218 273) the Hoare annotation is: true [2021-10-11 02:30:23,936 INFO L265 CegarLoopResult]: At program point L272-2(lines 218 273) the Hoare annotation is: true [2021-10-11 02:30:23,936 INFO L262 CegarLoopResult]: For program point L239-2(line 239) no Hoare annotation was computed. [2021-10-11 02:30:23,936 INFO L265 CegarLoopResult]: At program point L272-3(lines 218 273) the Hoare annotation is: true [2021-10-11 02:30:23,936 INFO L262 CegarLoopResult]: For program point L239-3(line 239) no Hoare annotation was computed. [2021-10-11 02:30:23,936 INFO L262 CegarLoopResult]: For program point L239-5(line 239) no Hoare annotation was computed. [2021-10-11 02:30:23,936 INFO L262 CegarLoopResult]: For program point L239-6(line 239) no Hoare annotation was computed. [2021-10-11 02:30:23,936 INFO L262 CegarLoopResult]: For program point L239-8(line 239) no Hoare annotation was computed. [2021-10-11 02:30:23,936 INFO L262 CegarLoopResult]: For program point L239-9(line 239) no Hoare annotation was computed. [2021-10-11 02:30:23,937 INFO L262 CegarLoopResult]: For program point L239-11(line 239) no Hoare annotation was computed. [2021-10-11 02:30:23,937 INFO L262 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2021-10-11 02:30:23,937 INFO L262 CegarLoopResult]: For program point L240-2(line 240) no Hoare annotation was computed. [2021-10-11 02:30:23,937 INFO L262 CegarLoopResult]: For program point L240-4(line 240) no Hoare annotation was computed. [2021-10-11 02:30:23,937 INFO L262 CegarLoopResult]: For program point L240-6(line 240) no Hoare annotation was computed. [2021-10-11 02:30:23,937 INFO L262 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2021-10-11 02:30:23,937 INFO L262 CegarLoopResult]: For program point L341-2(line 341) no Hoare annotation was computed. [2021-10-11 02:30:23,937 INFO L262 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2021-10-11 02:30:23,938 INFO L262 CegarLoopResult]: For program point L341-3(line 341) no Hoare annotation was computed. [2021-10-11 02:30:23,938 INFO L262 CegarLoopResult]: For program point L242-2(line 242) no Hoare annotation was computed. [2021-10-11 02:30:23,938 INFO L262 CegarLoopResult]: For program point L341-5(lines 341 353) no Hoare annotation was computed. [2021-10-11 02:30:23,938 INFO L262 CegarLoopResult]: For program point L242-3(line 242) no Hoare annotation was computed. [2021-10-11 02:30:23,938 INFO L262 CegarLoopResult]: For program point L242-5(line 242) no Hoare annotation was computed. [2021-10-11 02:30:23,938 INFO L262 CegarLoopResult]: For program point L242-6(line 242) no Hoare annotation was computed. [2021-10-11 02:30:23,938 INFO L262 CegarLoopResult]: For program point L242-8(line 242) no Hoare annotation was computed. [2021-10-11 02:30:23,938 INFO L262 CegarLoopResult]: For program point L242-9(line 242) no Hoare annotation was computed. [2021-10-11 02:30:23,938 INFO L262 CegarLoopResult]: For program point L242-11(line 242) no Hoare annotation was computed. [2021-10-11 02:30:23,939 INFO L262 CegarLoopResult]: For program point L243(line 243) no Hoare annotation was computed. [2021-10-11 02:30:23,939 INFO L262 CegarLoopResult]: For program point L243-2(line 243) no Hoare annotation was computed. [2021-10-11 02:30:23,939 INFO L262 CegarLoopResult]: For program point L243-4(line 243) no Hoare annotation was computed. [2021-10-11 02:30:23,939 INFO L262 CegarLoopResult]: For program point L243-6(line 243) no Hoare annotation was computed. [2021-10-11 02:30:23,939 INFO L262 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2021-10-11 02:30:23,939 INFO L262 CegarLoopResult]: For program point L343(lines 343 348) no Hoare annotation was computed. [2021-10-11 02:30:23,939 INFO L262 CegarLoopResult]: For program point L343-1(lines 341 353) no Hoare annotation was computed. [2021-10-11 02:30:23,939 INFO L265 CegarLoopResult]: At program point L443(lines 452 484) the Hoare annotation is: true [2021-10-11 02:30:23,940 INFO L262 CegarLoopResult]: For program point L377-2(lines 377 380) no Hoare annotation was computed. [2021-10-11 02:30:23,940 INFO L265 CegarLoopResult]: At program point L377-3(lines 377 380) the Hoare annotation is: true [2021-10-11 02:30:23,940 INFO L262 CegarLoopResult]: For program point L377-4(lines 357 424) no Hoare annotation was computed. [2021-10-11 02:30:23,940 INFO L262 CegarLoopResult]: For program point L245(line 245) no Hoare annotation was computed. [2021-10-11 02:30:23,940 INFO L262 CegarLoopResult]: For program point L245-2(line 245) no Hoare annotation was computed. [2021-10-11 02:30:23,940 INFO L262 CegarLoopResult]: For program point L245-3(line 245) no Hoare annotation was computed. [2021-10-11 02:30:23,940 INFO L262 CegarLoopResult]: For program point L245-5(line 245) no Hoare annotation was computed. [2021-10-11 02:30:23,940 INFO L262 CegarLoopResult]: For program point L245-6(line 245) no Hoare annotation was computed. [2021-10-11 02:30:23,941 INFO L262 CegarLoopResult]: For program point L245-8(line 245) no Hoare annotation was computed. [2021-10-11 02:30:23,941 INFO L262 CegarLoopResult]: For program point L245-9(line 245) no Hoare annotation was computed. [2021-10-11 02:30:23,941 INFO L262 CegarLoopResult]: For program point L245-11(line 245) no Hoare annotation was computed. [2021-10-11 02:30:23,941 INFO L262 CegarLoopResult]: For program point L246(line 246) no Hoare annotation was computed. [2021-10-11 02:30:23,941 INFO L262 CegarLoopResult]: For program point L246-2(line 246) no Hoare annotation was computed. [2021-10-11 02:30:23,941 INFO L262 CegarLoopResult]: For program point L246-4(line 246) no Hoare annotation was computed. [2021-10-11 02:30:23,945 INFO L262 CegarLoopResult]: For program point L246-6(line 246) no Hoare annotation was computed. [2021-10-11 02:30:23,945 INFO L262 CegarLoopResult]: For program point L478(lines 478 481) no Hoare annotation was computed. [2021-10-11 02:30:23,946 INFO L262 CegarLoopResult]: For program point L248(line 248) no Hoare annotation was computed. [2021-10-11 02:30:23,946 INFO L262 CegarLoopResult]: For program point L248-2(line 248) no Hoare annotation was computed. [2021-10-11 02:30:23,946 INFO L262 CegarLoopResult]: For program point L248-4(line 248) no Hoare annotation was computed. [2021-10-11 02:30:23,946 INFO L262 CegarLoopResult]: For program point L248-6(line 248) no Hoare annotation was computed. [2021-10-11 02:30:23,946 INFO L262 CegarLoopResult]: For program point L414(lines 414 417) no Hoare annotation was computed. [2021-10-11 02:30:23,946 INFO L262 CegarLoopResult]: For program point L381(lines 381 422) no Hoare annotation was computed. [2021-10-11 02:30:23,946 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:30:23,946 INFO L262 CegarLoopResult]: For program point L383-2(lines 383 421) no Hoare annotation was computed. [2021-10-11 02:30:23,946 INFO L265 CegarLoopResult]: At program point L383-3(lines 383 421) the Hoare annotation is: true [2021-10-11 02:30:23,947 INFO L262 CegarLoopResult]: For program point L251-1(lines 251 258) no Hoare annotation was computed. [2021-10-11 02:30:23,947 INFO L265 CegarLoopResult]: At program point L251-3(lines 251 258) the Hoare annotation is: true [2021-10-11 02:30:23,947 INFO L262 CegarLoopResult]: For program point L251-4(lines 251 258) no Hoare annotation was computed. [2021-10-11 02:30:23,947 INFO L262 CegarLoopResult]: For program point L251-6(lines 251 258) no Hoare annotation was computed. [2021-10-11 02:30:23,947 INFO L265 CegarLoopResult]: At program point L251-8(lines 251 258) the Hoare annotation is: true [2021-10-11 02:30:23,947 INFO L262 CegarLoopResult]: For program point L251-9(lines 251 258) no Hoare annotation was computed. [2021-10-11 02:30:23,947 INFO L262 CegarLoopResult]: For program point L251-11(lines 251 258) no Hoare annotation was computed. [2021-10-11 02:30:23,947 INFO L265 CegarLoopResult]: At program point L251-13(lines 251 258) the Hoare annotation is: true [2021-10-11 02:30:23,947 INFO L262 CegarLoopResult]: For program point L251-14(lines 251 258) no Hoare annotation was computed. [2021-10-11 02:30:23,948 INFO L262 CegarLoopResult]: For program point L251-16(lines 251 258) no Hoare annotation was computed. [2021-10-11 02:30:23,948 INFO L265 CegarLoopResult]: At program point L251-18(lines 251 258) the Hoare annotation is: true [2021-10-11 02:30:23,948 INFO L262 CegarLoopResult]: For program point L251-19(lines 251 258) no Hoare annotation was computed. [2021-10-11 02:30:23,948 INFO L262 CegarLoopResult]: For program point L386(lines 386 389) no Hoare annotation was computed. [2021-10-11 02:30:23,949 INFO L262 CegarLoopResult]: For program point L254(lines 254 257) no Hoare annotation was computed. [2021-10-11 02:30:23,949 INFO L262 CegarLoopResult]: For program point L254-1(lines 254 257) no Hoare annotation was computed. [2021-10-11 02:30:23,949 INFO L262 CegarLoopResult]: For program point L254-2(lines 254 257) no Hoare annotation was computed. [2021-10-11 02:30:23,949 INFO L262 CegarLoopResult]: For program point L254-3(lines 254 257) no Hoare annotation was computed. [2021-10-11 02:30:23,949 INFO L265 CegarLoopResult]: At program point L354(lines 325 355) the Hoare annotation is: true [2021-10-11 02:30:23,949 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:30:23,949 INFO L262 CegarLoopResult]: For program point L223(lines 223 226) no Hoare annotation was computed. [2021-10-11 02:30:23,949 INFO L262 CegarLoopResult]: For program point L223-1(lines 223 226) no Hoare annotation was computed. [2021-10-11 02:30:23,950 INFO L262 CegarLoopResult]: For program point L223-2(lines 223 226) no Hoare annotation was computed. [2021-10-11 02:30:23,950 INFO L262 CegarLoopResult]: For program point L223-3(lines 223 226) no Hoare annotation was computed. [2021-10-11 02:30:23,950 INFO L265 CegarLoopResult]: At program point L423(lines 356 424) the Hoare annotation is: true [2021-10-11 02:30:23,950 INFO L262 CegarLoopResult]: For program point L390(lines 390 393) no Hoare annotation was computed. [2021-10-11 02:30:23,950 INFO L262 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2021-10-11 02:30:23,950 INFO L262 CegarLoopResult]: For program point L259-2(line 259) no Hoare annotation was computed. [2021-10-11 02:30:23,950 INFO L262 CegarLoopResult]: For program point L259-3(line 259) no Hoare annotation was computed. [2021-10-11 02:30:23,950 INFO L262 CegarLoopResult]: For program point L259-5(lines 259 271) no Hoare annotation was computed. [2021-10-11 02:30:23,950 INFO L262 CegarLoopResult]: For program point L259-6(line 259) no Hoare annotation was computed. [2021-10-11 02:30:23,951 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:30:23,951 INFO L262 CegarLoopResult]: For program point L259-8(line 259) no Hoare annotation was computed. [2021-10-11 02:30:23,951 INFO L262 CegarLoopResult]: For program point L259-9(line 259) no Hoare annotation was computed. [2021-10-11 02:30:23,951 INFO L262 CegarLoopResult]: For program point L259-11(lines 259 271) no Hoare annotation was computed. [2021-10-11 02:30:23,951 INFO L262 CegarLoopResult]: For program point L259-12(line 259) no Hoare annotation was computed. [2021-10-11 02:30:23,951 INFO L262 CegarLoopResult]: For program point L259-14(line 259) no Hoare annotation was computed. [2021-10-11 02:30:23,951 INFO L262 CegarLoopResult]: For program point L259-15(line 259) no Hoare annotation was computed. [2021-10-11 02:30:23,951 INFO L262 CegarLoopResult]: For program point L259-17(lines 259 271) no Hoare annotation was computed. [2021-10-11 02:30:23,952 INFO L262 CegarLoopResult]: For program point L259-18(line 259) no Hoare annotation was computed. [2021-10-11 02:30:23,953 INFO L262 CegarLoopResult]: For program point L259-20(line 259) no Hoare annotation was computed. [2021-10-11 02:30:23,953 INFO L262 CegarLoopResult]: For program point L259-21(line 259) no Hoare annotation was computed. [2021-10-11 02:30:23,953 INFO L262 CegarLoopResult]: For program point L259-23(lines 259 271) no Hoare annotation was computed. [2021-10-11 02:30:23,953 INFO L262 CegarLoopResult]: For program point L227(lines 227 233) no Hoare annotation was computed. [2021-10-11 02:30:23,953 INFO L262 CegarLoopResult]: For program point L227-2(lines 227 233) no Hoare annotation was computed. [2021-10-11 02:30:23,953 INFO L262 CegarLoopResult]: For program point L227-3(lines 227 233) no Hoare annotation was computed. [2021-10-11 02:30:23,953 INFO L262 CegarLoopResult]: For program point L227-5(lines 227 233) no Hoare annotation was computed. [2021-10-11 02:30:23,953 INFO L262 CegarLoopResult]: For program point L227-6(lines 227 233) no Hoare annotation was computed. [2021-10-11 02:30:23,954 INFO L262 CegarLoopResult]: For program point L227-8(lines 227 233) no Hoare annotation was computed. [2021-10-11 02:30:23,954 INFO L262 CegarLoopResult]: For program point L227-9(lines 227 233) no Hoare annotation was computed. [2021-10-11 02:30:23,955 INFO L262 CegarLoopResult]: For program point L227-11(lines 227 233) no Hoare annotation was computed. [2021-10-11 02:30:23,955 INFO L262 CegarLoopResult]: For program point L261(lines 261 266) no Hoare annotation was computed. [2021-10-11 02:30:23,955 INFO L262 CegarLoopResult]: For program point L261-1(lines 259 271) no Hoare annotation was computed. [2021-10-11 02:30:23,955 INFO L262 CegarLoopResult]: For program point L261-2(lines 261 266) no Hoare annotation was computed. [2021-10-11 02:30:23,955 INFO L262 CegarLoopResult]: For program point L261-3(lines 259 271) no Hoare annotation was computed. [2021-10-11 02:30:23,955 INFO L262 CegarLoopResult]: For program point L261-4(lines 261 266) no Hoare annotation was computed. [2021-10-11 02:30:23,955 INFO L262 CegarLoopResult]: For program point L261-5(lines 259 271) no Hoare annotation was computed. [2021-10-11 02:30:23,957 INFO L262 CegarLoopResult]: For program point L261-6(lines 261 266) no Hoare annotation was computed. [2021-10-11 02:30:23,957 INFO L262 CegarLoopResult]: For program point L261-7(lines 259 271) no Hoare annotation was computed. [2021-10-11 02:30:23,957 INFO L262 CegarLoopResult]: For program point L229(lines 229 232) no Hoare annotation was computed. [2021-10-11 02:30:23,957 INFO L262 CegarLoopResult]: For program point L229-1(lines 229 232) no Hoare annotation was computed. [2021-10-11 02:30:23,958 INFO L262 CegarLoopResult]: For program point L229-2(lines 229 232) no Hoare annotation was computed. [2021-10-11 02:30:23,958 INFO L262 CegarLoopResult]: For program point L229-3(lines 229 232) no Hoare annotation was computed. [2021-10-11 02:30:23,958 INFO L262 CegarLoopResult]: For program point L329(lines 329 332) no Hoare annotation was computed. [2021-10-11 02:30:23,958 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:30:23,958 INFO L262 CegarLoopResult]: For program point L396(lines 396 399) no Hoare annotation was computed. [2021-10-11 02:30:23,958 INFO L262 CegarLoopResult]: For program point L431-2(lines 431 441) no Hoare annotation was computed. [2021-10-11 02:30:23,958 INFO L265 CegarLoopResult]: At program point L431-3(lines 431 441) the Hoare annotation is: true [2021-10-11 02:30:23,958 INFO L265 CegarLoopResult]: At program point L431-4(lines 431 441) the Hoare annotation is: true [2021-10-11 02:30:23,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:30:23 BoogieIcfgContainer [2021-10-11 02:30:23,980 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:30:23,981 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:30:23,981 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:30:23,981 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:30:23,982 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:19" (3/4) ... [2021-10-11 02:30:23,990 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:30:23,996 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_113 [2021-10-11 02:30:24,026 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2021-10-11 02:30:24,028 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-10-11 02:30:24,031 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:30:24,033 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-11 02:30:24,035 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:24,037 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:24,085 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~bvadd64(Id_MCDC_111, 4294967292bv32) == 0bv32 || !(4bv32 == \old(Id_MCDC_111))) && 1bv32 == Id_MCDC_121 [2021-10-11 02:30:24,199 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfe9e6e-7969-4fd6-89da-e93e233c2a3f/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:30:24,199 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:30:24,200 INFO L168 Benchmark]: Toolchain (without parser) took 8021.68 ms. Allocated memory was 60.8 MB in the beginning and 119.5 MB in the end (delta: 58.7 MB). Free memory was 40.2 MB in the beginning and 47.5 MB in the end (delta: -7.3 MB). Peak memory consumption was 50.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:24,201 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 60.8 MB. Free memory is still 42.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:24,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.09 ms. Allocated memory is still 60.8 MB. Free memory was 40.1 MB in the beginning and 29.7 MB in the end (delta: 10.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:24,202 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.26 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 29.5 MB in the beginning and 62.9 MB in the end (delta: -33.3 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:24,202 INFO L168 Benchmark]: Boogie Preprocessor took 85.78 ms. Allocated memory is still 81.8 MB. Free memory was 62.9 MB in the beginning and 57.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:24,202 INFO L168 Benchmark]: RCFGBuilder took 1935.53 ms. Allocated memory is still 81.8 MB. Free memory was 57.9 MB in the beginning and 33.3 MB in the end (delta: 24.6 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:24,203 INFO L168 Benchmark]: TraceAbstraction took 4917.28 ms. Allocated memory was 81.8 MB in the beginning and 119.5 MB in the end (delta: 37.7 MB). Free memory was 33.3 MB in the beginning and 64.3 MB in the end (delta: -31.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:24,203 INFO L168 Benchmark]: Witness Printer took 218.20 ms. Allocated memory is still 119.5 MB. Free memory was 64.3 MB in the beginning and 47.5 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:24,206 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 60.8 MB. Free memory is still 42.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 751.09 ms. Allocated memory is still 60.8 MB. Free memory was 40.1 MB in the beginning and 29.7 MB in the end (delta: 10.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 107.26 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 29.5 MB in the beginning and 62.9 MB in the end (delta: -33.3 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.78 ms. Allocated memory is still 81.8 MB. Free memory was 62.9 MB in the beginning and 57.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1935.53 ms. Allocated memory is still 81.8 MB. Free memory was 57.9 MB in the beginning and 33.3 MB in the end (delta: 24.6 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4917.28 ms. Allocated memory was 81.8 MB in the beginning and 119.5 MB in the end (delta: 37.7 MB). Free memory was 33.3 MB in the beginning and 64.3 MB in the end (delta: -31.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Witness Printer took 218.20 ms. Allocated memory is still 119.5 MB. Free memory was 64.3 MB in the beginning and 47.5 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 489]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: (~bvadd64(Id_MCDC_111, 4294967292bv32) == 0bv32 || !(4bv32 == \old(Id_MCDC_111))) && 1bv32 == Id_MCDC_121 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 176 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.6s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1254 SDtfs, 284 SDslu, 1052 SDs, 0 SdLazy, 23 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 148 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 49 PreInvPairs, 80 NumberOfFragments, 47 HoareAnnotationTreeSize, 49 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 11 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 7160 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1622 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 13/23 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...