./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8 --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_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8 --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 0.2.1-dev-4e77c04 [2021-10-13 06:54:17,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:54:17,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:54:17,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:54:17,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:54:17,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:54:17,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:54:17,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:54:17,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:54:17,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:54:17,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:54:17,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:54:17,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:54:17,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:54:17,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:54:17,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:54:17,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:54:17,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:54:17,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:54:17,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:54:17,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:54:17,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:54:17,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:54:17,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:54:17,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:54:17,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:54:17,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:54:17,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:54:17,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:54:17,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:54:17,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:54:17,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:54:17,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:54:17,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:54:17,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:54:17,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:54:17,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:54:17,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:54:17,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:54:17,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:54:17,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:54:17,524 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 06:54:17,569 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:54:17,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:54:17,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:54:17,571 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:54:17,571 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:54:17,571 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:54:17,571 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 06:54:17,571 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:54:17,572 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:54:17,572 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 06:54:17,572 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 06:54:17,572 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:54:17,572 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 06:54:17,573 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 06:54:17,573 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 06:54:17,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:54:17,574 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:54:17,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:54:17,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:54:17,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:54:17,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:54:17,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:54:17,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:54:17,575 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:54:17,575 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:54:17,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:54:17,575 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:54:17,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:54:17,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:54:17,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:54:17,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:54:17,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:54:17,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:54:17,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:54:17,577 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 06:54:17,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 06:54:17,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:54:17,578 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:54:17,578 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:54:17,578 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_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67645b836df889874dae0b8aac8cecb073b5cdb8 [2021-10-13 06:54:17,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:54:17,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:54:17,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:54:17,895 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:54:17,896 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:54:17,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2021-10-13 06:54:17,950 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/data/9a232f4b9/5ecb58f4f3ca4beba7549b468245f61a/FLAG84453ea5e [2021-10-13 06:54:18,435 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:54:18,435 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2021-10-13 06:54:18,450 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/data/9a232f4b9/5ecb58f4f3ca4beba7549b468245f61a/FLAG84453ea5e [2021-10-13 06:54:18,732 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/data/9a232f4b9/5ecb58f4f3ca4beba7549b468245f61a [2021-10-13 06:54:18,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:54:18,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:54:18,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:54:18,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:54:18,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:54:18,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:54:18" (1/1) ... [2021-10-13 06:54:18,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75a0870d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:54:18, skipping insertion in model container [2021-10-13 06:54:18,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:54:18" (1/1) ... [2021-10-13 06:54:18,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:54:18,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:54:19,062 WARN L228 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_11eb044a-f84d-48e7-8847-8e29b41dcbfa/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2021-10-13 06:54:19,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:54:19,075 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) [2021-10-13 06:54:19,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6631d0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:54:19, skipping insertion in model container [2021-10-13 06:54:19,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:54:19,076 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 06:54:19,079 INFO L168 Benchmark]: Toolchain (without parser) took 341.33 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 51.9 MB in the beginning and 82.9 MB in the end (delta: -31.0 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-10-13 06:54:19,079 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 92.3 MB. Free memory is still 69.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:54:19,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.79 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 51.7 MB in the beginning and 82.9 MB in the end (delta: -31.2 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-10-13 06:54:19,082 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 92.3 MB. Free memory is still 69.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 338.79 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 51.7 MB in the beginning and 82.9 MB in the end (delta: -31.2 MB). Peak memory consumption was 6.5 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 0.2.1-dev-4e77c04 [2021-10-13 06:54:21,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:54:21,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:54:21,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:54:21,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:54:21,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:54:21,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:54:21,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:54:21,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:54:21,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:54:21,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:54:21,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:54:21,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:54:21,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:54:21,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:54:21,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:54:21,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:54:21,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:54:21,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:54:21,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:54:21,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:54:21,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:54:21,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:54:21,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:54:21,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:54:21,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:54:21,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:54:21,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:54:21,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:54:21,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:54:21,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:54:21,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:54:21,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:54:21,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:54:21,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:54:21,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:54:21,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:54:21,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:54:21,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:54:21,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:54:21,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:54:21,478 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 06:54:21,503 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:54:21,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:54:21,505 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:54:21,505 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:54:21,505 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:54:21,505 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:54:21,506 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:54:21,506 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:54:21,506 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:54:21,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:54:21,509 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:54:21,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:54:21,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:54:21,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:54:21,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:54:21,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:54:21,511 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:54:21,511 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 06:54:21,511 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 06:54:21,512 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:54:21,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:54:21,512 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:54:21,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:54:21,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:54:21,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 06:54:21,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:54:21,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:54:21,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:54:21,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:54:21,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:54:21,515 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 06:54:21,516 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 06:54:21,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:54:21,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:54:21,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:54:21,517 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_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67645b836df889874dae0b8aac8cecb073b5cdb8 [2021-10-13 06:54:21,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:54:21,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:54:21,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:54:21,922 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:54:21,923 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:54:21,924 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2021-10-13 06:54:21,983 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/data/11264922e/cc55beb3d384420dbcfb3a62f5ec125f/FLAGb33ef45b1 [2021-10-13 06:54:22,622 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:54:22,623 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2021-10-13 06:54:22,639 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/data/11264922e/cc55beb3d384420dbcfb3a62f5ec125f/FLAGb33ef45b1 [2021-10-13 06:54:22,943 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/data/11264922e/cc55beb3d384420dbcfb3a62f5ec125f [2021-10-13 06:54:22,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:54:22,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:54:22,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:54:22,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:54:22,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:54:22,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:54:22" (1/1) ... [2021-10-13 06:54:22,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a1c7e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:54:22, skipping insertion in model container [2021-10-13 06:54:22,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:54:22" (1/1) ... [2021-10-13 06:54:22,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:54:23,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:54:23,352 WARN L228 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_11eb044a-f84d-48e7-8847-8e29b41dcbfa/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2021-10-13 06:54:23,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:54:23,370 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 06:54:23,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:54:23,495 WARN L228 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_11eb044a-f84d-48e7-8847-8e29b41dcbfa/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2021-10-13 06:54:23,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:54:23,514 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 06:54:23,595 WARN L228 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_11eb044a-f84d-48e7-8847-8e29b41dcbfa/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2021-10-13 06:54:23,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:54:23,633 INFO L208 MainTranslator]: Completed translation [2021-10-13 06:54:23,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:54:23 WrapperNode [2021-10-13 06:54:23,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:54:23,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 06:54:23,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 06:54:23,636 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 06:54:23,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:54:23" (1/1) ... [2021-10-13 06:54:23,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:54:23" (1/1) ... [2021-10-13 06:54:23,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 06:54:23,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 06:54:23,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 06:54:23,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 06:54:23,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:54:23" (1/1) ... [2021-10-13 06:54:23,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:54:23" (1/1) ... [2021-10-13 06:54:23,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:54:23" (1/1) ... [2021-10-13 06:54:23,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:54:23" (1/1) ... [2021-10-13 06:54:23,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:54:23" (1/1) ... [2021-10-13 06:54:23,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:54:23" (1/1) ... [2021-10-13 06:54:23,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:54:23" (1/1) ... [2021-10-13 06:54:23,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 06:54:23,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 06:54:23,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 06:54:23,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 06:54:23,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:54:23" (1/1) ... [2021-10-13 06:54:23,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:54:23,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:54:24,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 06:54:24,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 06:54:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2021-10-13 06:54:24,061 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2021-10-13 06:54:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 06:54:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-10-13 06:54:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-10-13 06:54:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 06:54:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-13 06:54:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 06:54:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 06:54:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 06:54:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-10-13 06:54:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 06:54:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-10-13 06:54:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 06:54:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 06:54:24,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 06:54:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-13 06:54:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 06:54:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 06:54:25,488 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 06:54:25,489 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2021-10-13 06:54:25,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:54:25 BoogieIcfgContainer [2021-10-13 06:54:25,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 06:54:25,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 06:54:25,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 06:54:25,496 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 06:54:25,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:54:22" (1/3) ... [2021-10-13 06:54:25,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55700c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:54:25, skipping insertion in model container [2021-10-13 06:54:25,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:54:23" (2/3) ... [2021-10-13 06:54:25,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55700c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:54:25, skipping insertion in model container [2021-10-13 06:54:25,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:54:25" (3/3) ... [2021-10-13 06:54:25,498 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_1.c [2021-10-13 06:54:25,504 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 06:54:25,504 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 06:54:25,550 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 06:54:25,556 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 06:54:25,556 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 06:54:25,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 176 states, 171 states have (on average 1.6491228070175439) internal successors, (282), 172 states have internal predecessors, (282), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-13 06:54:25,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 06:54:25,583 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:54:25,583 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:54:25,584 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:54:25,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:54:25,589 INFO L82 PathProgramCache]: Analyzing trace with hash 437048265, now seen corresponding path program 1 times [2021-10-13 06:54:25,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:54:25,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [29582325] [2021-10-13 06:54:25,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:54:25,603 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:54:25,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:54:25,606 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:54:25,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 06:54:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:54:25,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 06:54:25,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:54:25,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:54:25,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:54:25,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:54:25,966 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:54:25,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [29582325] [2021-10-13 06:54:25,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [29582325] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:54:25,967 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:54:25,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 06:54:25,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993634349] [2021-10-13 06:54:25,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 06:54:25,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:54:25,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 06:54:25,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 06:54:25,989 INFO L87 Difference]: Start difference. First operand has 176 states, 171 states have (on average 1.6491228070175439) internal successors, (282), 172 states have internal predecessors, (282), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:54:26,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:54:26,026 INFO L93 Difference]: Finished difference Result 347 states and 566 transitions. [2021-10-13 06:54:26,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 06:54:26,028 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-13 06:54:26,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:54:26,037 INFO L225 Difference]: With dead ends: 347 [2021-10-13 06:54:26,037 INFO L226 Difference]: Without dead ends: 172 [2021-10-13 06:54:26,041 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 06:54:26,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-10-13 06:54:26,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2021-10-13 06:54:26,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 168 states have (on average 1.5773809523809523) internal successors, (265), 169 states have internal predecessors, (265), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 06:54:26,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 268 transitions. [2021-10-13 06:54:26,093 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 268 transitions. Word has length 19 [2021-10-13 06:54:26,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:54:26,094 INFO L470 AbstractCegarLoop]: Abstraction has 172 states and 268 transitions. [2021-10-13 06:54:26,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:54:26,094 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 268 transitions. [2021-10-13 06:54:26,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 06:54:26,098 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:54:26,098 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:54:26,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 06:54:26,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:54:26,317 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:54:26,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:54:26,318 INFO L82 PathProgramCache]: Analyzing trace with hash -794654387, now seen corresponding path program 1 times [2021-10-13 06:54:26,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:54:26,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1584877726] [2021-10-13 06:54:26,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:54:26,320 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:54:26,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:54:26,324 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:54:26,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 06:54:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:54:26,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:54:26,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:54:26,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:54:26,676 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:54:26,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:54:26,740 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:54:26,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1584877726] [2021-10-13 06:54:26,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1584877726] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:54:26,741 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:54:26,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 06:54:26,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297968035] [2021-10-13 06:54:26,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:54:26,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:54:26,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:54:26,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:54:26,744 INFO L87 Difference]: Start difference. First operand 172 states and 268 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:54:26,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:54:26,888 INFO L93 Difference]: Finished difference Result 632 states and 1003 transitions. [2021-10-13 06:54:26,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:54:26,889 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-13 06:54:26,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:54:26,900 INFO L225 Difference]: With dead ends: 632 [2021-10-13 06:54:26,901 INFO L226 Difference]: Without dead ends: 465 [2021-10-13 06:54:26,903 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:54:26,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2021-10-13 06:54:26,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 175. [2021-10-13 06:54:26,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 171 states have (on average 1.567251461988304) internal successors, (268), 172 states have internal predecessors, (268), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 06:54:26,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 271 transitions. [2021-10-13 06:54:26,952 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 271 transitions. Word has length 19 [2021-10-13 06:54:26,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:54:26,952 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 271 transitions. [2021-10-13 06:54:26,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:54:26,953 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 271 transitions. [2021-10-13 06:54:26,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 06:54:26,955 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:54:26,955 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:54:26,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 06:54:27,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:54:27,173 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:54:27,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:54:27,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1467108783, now seen corresponding path program 1 times [2021-10-13 06:54:27,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:54:27,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1512374897] [2021-10-13 06:54:27,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:54:27,175 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:54:27,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:54:27,183 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:54:27,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 06:54:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:54:27,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 06:54:27,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:54:27,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:54:27,555 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:54:27,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:54:27,661 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:54:27,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1512374897] [2021-10-13 06:54:27,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1512374897] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:54:27,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [202150555] [2021-10-13 06:54:27,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:54:27,662 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 06:54:27,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 06:54:27,664 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 06:54:27,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-10-13 06:54:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:54:27,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 06:54:27,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:54:28,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 06:54:28,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:54:28,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 06:54:28,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [202150555] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:54:28,114 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 06:54:28,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 12 [2021-10-13 06:54:28,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947424199] [2021-10-13 06:54:28,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:54:28,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:54:28,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:54:28,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-10-13 06:54:28,116 INFO L87 Difference]: Start difference. First operand 175 states and 271 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:54:28,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:54:28,210 INFO L93 Difference]: Finished difference Result 250 states and 363 transitions. [2021-10-13 06:54:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 06:54:28,211 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-13 06:54:28,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:54:28,214 INFO L225 Difference]: With dead ends: 250 [2021-10-13 06:54:28,214 INFO L226 Difference]: Without dead ends: 227 [2021-10-13 06:54:28,215 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 108.5ms TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-10-13 06:54:28,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-10-13 06:54:28,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 207. [2021-10-13 06:54:28,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 200 states have (on average 1.52) internal successors, (304), 200 states have internal predecessors, (304), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-13 06:54:28,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 311 transitions. [2021-10-13 06:54:28,231 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 311 transitions. Word has length 23 [2021-10-13 06:54:28,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:54:28,231 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 311 transitions. [2021-10-13 06:54:28,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:54:28,232 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 311 transitions. [2021-10-13 06:54:28,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-13 06:54:28,234 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:54:28,235 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:54:28,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 06:54:28,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2021-10-13 06:54:28,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 06:54:28,649 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:54:28,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:54:28,650 INFO L82 PathProgramCache]: Analyzing trace with hash -593865932, now seen corresponding path program 1 times [2021-10-13 06:54:28,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:54:28,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [127876595] [2021-10-13 06:54:28,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:54:28,651 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:54:28,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:54:28,655 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:54:28,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 06:54:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:54:28,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 06:54:28,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:54:29,011 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 06:54:29,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:54:29,132 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:54:29,132 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:54:29,133 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [127876595] [2021-10-13 06:54:29,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [127876595] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:54:29,133 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [636487053] [2021-10-13 06:54:29,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:54:29,133 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 06:54:29,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 06:54:29,134 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 06:54:29,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-10-13 06:54:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:54:29,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:54:29,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:54:29,548 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-13 06:54:29,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:54:29,657 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 06:54:29,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [636487053] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-13 06:54:29,658 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-10-13 06:54:29,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5, 3] total 10 [2021-10-13 06:54:29,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350722726] [2021-10-13 06:54:29,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:54:29,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:54:29,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:54:29,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-13 06:54:29,665 INFO L87 Difference]: Start difference. First operand 207 states and 311 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 06:54:29,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:54:29,728 INFO L93 Difference]: Finished difference Result 335 states and 497 transitions. [2021-10-13 06:54:29,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:54:29,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2021-10-13 06:54:29,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:54:29,733 INFO L225 Difference]: With dead ends: 335 [2021-10-13 06:54:29,733 INFO L226 Difference]: Without dead ends: 275 [2021-10-13 06:54:29,734 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 54.4ms TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-13 06:54:29,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2021-10-13 06:54:29,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 207. [2021-10-13 06:54:29,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 200 states have (on average 1.515) internal successors, (303), 200 states have internal predecessors, (303), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-13 06:54:29,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 310 transitions. [2021-10-13 06:54:29,746 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 310 transitions. Word has length 29 [2021-10-13 06:54:29,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:54:29,747 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 310 transitions. [2021-10-13 06:54:29,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 06:54:29,747 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 310 transitions. [2021-10-13 06:54:29,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-13 06:54:29,749 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:54:29,750 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:54:29,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2021-10-13 06:54:29,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-10-13 06:54:30,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:54:30,153 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:54:30,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:54:30,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1584716794, now seen corresponding path program 1 times [2021-10-13 06:54:30,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:54:30,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1002465585] [2021-10-13 06:54:30,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:54:30,154 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:54:30,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:54:30,155 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:54:30,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 06:54:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:54:30,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 06:54:30,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:54:30,547 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 06:54:30,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:54:30,651 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:54:30,651 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:54:30,651 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1002465585] [2021-10-13 06:54:30,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1002465585] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:54:30,651 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2065075379] [2021-10-13 06:54:30,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:54:30,652 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 06:54:30,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 06:54:30,656 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 06:54:30,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-10-13 06:54:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:54:30,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:54:30,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:54:31,079 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-13 06:54:31,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:54:31,159 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 06:54:31,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2065075379] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-13 06:54:31,160 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-10-13 06:54:31,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5, 3] total 10 [2021-10-13 06:54:31,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765452443] [2021-10-13 06:54:31,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:54:31,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:54:31,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:54:31,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-13 06:54:31,162 INFO L87 Difference]: Start difference. First operand 207 states and 310 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 06:54:31,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:54:31,224 INFO L93 Difference]: Finished difference Result 265 states and 384 transitions. [2021-10-13 06:54:31,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:54:31,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2021-10-13 06:54:31,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:54:31,227 INFO L225 Difference]: With dead ends: 265 [2021-10-13 06:54:31,227 INFO L226 Difference]: Without dead ends: 211 [2021-10-13 06:54:31,227 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 62.5ms TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-13 06:54:31,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2021-10-13 06:54:31,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 208. [2021-10-13 06:54:31,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 201 states have (on average 1.5124378109452736) internal successors, (304), 201 states have internal predecessors, (304), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-13 06:54:31,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 311 transitions. [2021-10-13 06:54:31,238 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 311 transitions. Word has length 30 [2021-10-13 06:54:31,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:54:31,238 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 311 transitions. [2021-10-13 06:54:31,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 06:54:31,239 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 311 transitions. [2021-10-13 06:54:31,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 06:54:31,240 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:54:31,240 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:54:31,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 06:54:31,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-10-13 06:54:31,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 06:54:31,656 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:54:31,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:54:31,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1821622445, now seen corresponding path program 1 times [2021-10-13 06:54:31,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:54:31,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [156047570] [2021-10-13 06:54:31,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:54:31,658 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:54:31,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:54:31,658 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:54:31,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 06:54:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:54:31,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 06:54:31,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:54:32,067 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 06:54:32,068 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:54:32,183 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 06:54:32,183 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:54:32,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [156047570] [2021-10-13 06:54:32,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [156047570] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:54:32,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [317259736] [2021-10-13 06:54:32,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:54:32,183 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 06:54:32,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 06:54:32,184 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 06:54:32,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-10-13 06:54:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:54:32,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 06:54:32,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:54:32,846 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 06:54:32,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:54:32,979 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 06:54:32,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [317259736] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:54:32,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870422813] [2021-10-13 06:54:32,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:54:32,979 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 06:54:32,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:54:32,981 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 06:54:33,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-13 06:54:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:54:33,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 06:54:33,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:54:33,536 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 06:54:33,536 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:54:33,658 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 06:54:33,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870422813] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:54:33,658 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-10-13 06:54:33,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5, 5, 5] total 10 [2021-10-13 06:54:33,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593969003] [2021-10-13 06:54:33,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:54:33,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:54:33,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:54:33,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-13 06:54:33,660 INFO L87 Difference]: Start difference. First operand 208 states and 311 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 06:54:33,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:54:33,690 INFO L93 Difference]: Finished difference Result 229 states and 335 transitions. [2021-10-13 06:54:33,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:54:33,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2021-10-13 06:54:33,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:54:33,696 INFO L225 Difference]: With dead ends: 229 [2021-10-13 06:54:33,696 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 06:54:33,697 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 43.7ms TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-13 06:54:33,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 06:54:33,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 06:54:33,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:54:33,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 06:54:33,698 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2021-10-13 06:54:33,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:54:33,699 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 06:54:33,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 06:54:33,701 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 06:54:33,701 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 06:54:33,704 INFO L764 garLoopResultBuilder]: Registering result SAFE for location Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:54:33,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-10-13 06:54:33,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 06:54:34,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-13 06:54:34,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 06:54:34,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 06:54:34,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:54:34,529 INFO L857 garLoopResultBuilder]: For program point L11(lines 11 14) no Hoare annotation was computed. [2021-10-13 06:54:34,529 INFO L857 garLoopResultBuilder]: For program point L11-2(lines 11 14) no Hoare annotation was computed. [2021-10-13 06:54:34,529 INFO L857 garLoopResultBuilder]: For program point Id_MCDC_113EXIT(lines 305 324) no Hoare annotation was computed. [2021-10-13 06:54:34,529 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 320) no Hoare annotation was computed. [2021-10-13 06:54:34,529 INFO L857 garLoopResultBuilder]: For program point L280(lines 280 294) no Hoare annotation was computed. [2021-10-13 06:54:34,530 INFO L857 garLoopResultBuilder]: For program point L313-2(lines 313 320) no Hoare annotation was computed. [2021-10-13 06:54:34,530 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 312) no Hoare annotation was computed. [2021-10-13 06:54:34,530 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 490) no Hoare annotation was computed. [2021-10-13 06:54:34,530 INFO L857 garLoopResultBuilder]: For program point Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION(line 489) no Hoare annotation was computed. [2021-10-13 06:54:34,530 INFO L853 garLoopResultBuilder]: At program point L487-2(lines 485 492) the Hoare annotation is: (and (or (= (_ bv2 32) |Id_MCDC_113_#in~Id_MCDC_111|) (not (= (_ bv2 32) Id_MCDC_113_~Id_MCDC_111))) (= (_ bv1 32) Id_MCDC_113___VERIFIER_assert_~Id_MCDC_121) (or (not (= (_ bv4 32) |Id_MCDC_113_#in~Id_MCDC_111|)) (= (_ bv4 32) Id_MCDC_113_~Id_MCDC_111))) [2021-10-13 06:54:34,530 INFO L860 garLoopResultBuilder]: At program point Id_MCDC_113ENTRY(lines 305 324) the Hoare annotation is: true [2021-10-13 06:54:34,530 INFO L857 garLoopResultBuilder]: For program point Id_MCDC_113FINAL(lines 305 324) no Hoare annotation was computed. [2021-10-13 06:54:34,530 INFO L857 garLoopResultBuilder]: For program point L9(lines 9 15) no Hoare annotation was computed. [2021-10-13 06:54:34,530 INFO L857 garLoopResultBuilder]: For program point L9-1(lines 9 15) no Hoare annotation was computed. [2021-10-13 06:54:34,531 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 294) no Hoare annotation was computed. [2021-10-13 06:54:34,531 INFO L853 garLoopResultBuilder]: At program point L315(line 315) the Hoare annotation is: (and (or (not (= (_ bv4 32) |Id_MCDC_113_#in~Id_MCDC_111|)) (= (_ bv4 32) Id_MCDC_113_~Id_MCDC_111)) (not (= (_ bv2 32) Id_MCDC_113_~Id_MCDC_111))) [2021-10-13 06:54:34,531 INFO L857 garLoopResultBuilder]: For program point L315-1(line 315) no Hoare annotation was computed. [2021-10-13 06:54:34,531 INFO L853 garLoopResultBuilder]: At program point L303(lines 274 304) the Hoare annotation is: (or (= (_ bv2 32) |Id_MCDC_113_#in~Id_MCDC_111|) (not (= (_ bv2 32) Id_MCDC_113_~Id_MCDC_111))) [2021-10-13 06:54:34,531 INFO L857 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2021-10-13 06:54:34,531 INFO L857 garLoopResultBuilder]: For program point L295-1(lines 275 304) no Hoare annotation was computed. [2021-10-13 06:54:34,531 INFO L857 garLoopResultBuilder]: For program point L295-2(lines 295 302) no Hoare annotation was computed. [2021-10-13 06:54:34,531 INFO L857 garLoopResultBuilder]: For program point L333-1(lines 333 340) no Hoare annotation was computed. [2021-10-13 06:54:34,531 INFO L853 garLoopResultBuilder]: At program point L234(lines 234 250) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-10-13 06:54:34,531 INFO L853 garLoopResultBuilder]: At program point L333-3(lines 333 340) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-10-13 06:54:34,532 INFO L853 garLoopResultBuilder]: At program point L234-1(lines 234 250) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-10-13 06:54:34,532 INFO L857 garLoopResultBuilder]: For program point L333-4(lines 333 340) no Hoare annotation was computed. [2021-10-13 06:54:34,532 INFO L853 garLoopResultBuilder]: At program point L234-2(lines 234 250) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-10-13 06:54:34,532 INFO L853 garLoopResultBuilder]: At program point L234-3(lines 234 250) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-10-13 06:54:34,532 INFO L857 garLoopResultBuilder]: For program point L433(line 433) no Hoare annotation was computed. [2021-10-13 06:54:34,532 INFO L857 garLoopResultBuilder]: For program point L433-2(lines 433 440) no Hoare annotation was computed. [2021-10-13 06:54:34,532 INFO L857 garLoopResultBuilder]: For program point L401-2(lines 401 418) no Hoare annotation was computed. [2021-10-13 06:54:34,532 INFO L853 garLoopResultBuilder]: At program point L401-3(lines 401 418) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-10-13 06:54:34,532 INFO L857 garLoopResultBuilder]: For program point L401-4(lines 401 418) no Hoare annotation was computed. [2021-10-13 06:54:34,532 INFO L857 garLoopResultBuilder]: For program point L236(line 236) no Hoare annotation was computed. [2021-10-13 06:54:34,532 INFO L857 garLoopResultBuilder]: For program point L236-2(line 236) no Hoare annotation was computed. [2021-10-13 06:54:34,533 INFO L857 garLoopResultBuilder]: For program point L236-3(line 236) no Hoare annotation was computed. [2021-10-13 06:54:34,533 INFO L857 garLoopResultBuilder]: For program point L236-5(line 236) no Hoare annotation was computed. [2021-10-13 06:54:34,533 INFO L857 garLoopResultBuilder]: For program point L236-6(line 236) no Hoare annotation was computed. [2021-10-13 06:54:34,533 INFO L857 garLoopResultBuilder]: For program point L236-8(line 236) no Hoare annotation was computed. [2021-10-13 06:54:34,533 INFO L857 garLoopResultBuilder]: For program point L236-9(line 236) no Hoare annotation was computed. [2021-10-13 06:54:34,533 INFO L857 garLoopResultBuilder]: For program point L236-11(line 236) no Hoare annotation was computed. [2021-10-13 06:54:34,533 INFO L857 garLoopResultBuilder]: For program point L336(lines 336 339) no Hoare annotation was computed. [2021-10-13 06:54:34,533 INFO L857 garLoopResultBuilder]: For program point L237(line 237) no Hoare annotation was computed. [2021-10-13 06:54:34,533 INFO L857 garLoopResultBuilder]: For program point L237-2(line 237) no Hoare annotation was computed. [2021-10-13 06:54:34,533 INFO L857 garLoopResultBuilder]: For program point L237-4(line 237) no Hoare annotation was computed. [2021-10-13 06:54:34,533 INFO L857 garLoopResultBuilder]: For program point L237-6(line 237) no Hoare annotation was computed. [2021-10-13 06:54:34,533 INFO L857 garLoopResultBuilder]: For program point L403(lines 403 406) no Hoare annotation was computed. [2021-10-13 06:54:34,534 INFO L853 garLoopResultBuilder]: At program point L272(lines 218 273) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-10-13 06:54:34,534 INFO L857 garLoopResultBuilder]: For program point L239(line 239) no Hoare annotation was computed. [2021-10-13 06:54:34,534 INFO L853 garLoopResultBuilder]: At program point L272-1(lines 218 273) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-10-13 06:54:34,534 INFO L853 garLoopResultBuilder]: At program point L272-2(lines 218 273) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-10-13 06:54:34,534 INFO L857 garLoopResultBuilder]: For program point L239-2(line 239) no Hoare annotation was computed. [2021-10-13 06:54:34,534 INFO L853 garLoopResultBuilder]: At program point L272-3(lines 218 273) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-10-13 06:54:34,534 INFO L857 garLoopResultBuilder]: For program point L239-3(line 239) no Hoare annotation was computed. [2021-10-13 06:54:34,534 INFO L857 garLoopResultBuilder]: For program point L239-5(line 239) no Hoare annotation was computed. [2021-10-13 06:54:34,534 INFO L857 garLoopResultBuilder]: For program point L239-6(line 239) no Hoare annotation was computed. [2021-10-13 06:54:34,534 INFO L857 garLoopResultBuilder]: For program point L239-8(line 239) no Hoare annotation was computed. [2021-10-13 06:54:34,534 INFO L857 garLoopResultBuilder]: For program point L239-9(line 239) no Hoare annotation was computed. [2021-10-13 06:54:34,535 INFO L857 garLoopResultBuilder]: For program point L239-11(line 239) no Hoare annotation was computed. [2021-10-13 06:54:34,535 INFO L857 garLoopResultBuilder]: For program point L240(line 240) no Hoare annotation was computed. [2021-10-13 06:54:34,535 INFO L857 garLoopResultBuilder]: For program point L240-2(line 240) no Hoare annotation was computed. [2021-10-13 06:54:34,535 INFO L857 garLoopResultBuilder]: For program point L240-4(line 240) no Hoare annotation was computed. [2021-10-13 06:54:34,535 INFO L857 garLoopResultBuilder]: For program point L240-6(line 240) no Hoare annotation was computed. [2021-10-13 06:54:34,535 INFO L857 garLoopResultBuilder]: For program point L341(line 341) no Hoare annotation was computed. [2021-10-13 06:54:34,535 INFO L857 garLoopResultBuilder]: For program point L341-2(line 341) no Hoare annotation was computed. [2021-10-13 06:54:34,535 INFO L857 garLoopResultBuilder]: For program point L242(line 242) no Hoare annotation was computed. [2021-10-13 06:54:34,535 INFO L857 garLoopResultBuilder]: For program point L341-3(line 341) no Hoare annotation was computed. [2021-10-13 06:54:34,535 INFO L857 garLoopResultBuilder]: For program point L242-2(line 242) no Hoare annotation was computed. [2021-10-13 06:54:34,535 INFO L857 garLoopResultBuilder]: For program point L341-5(lines 341 353) no Hoare annotation was computed. [2021-10-13 06:54:34,535 INFO L857 garLoopResultBuilder]: For program point L242-3(line 242) no Hoare annotation was computed. [2021-10-13 06:54:34,536 INFO L857 garLoopResultBuilder]: For program point L242-5(line 242) no Hoare annotation was computed. [2021-10-13 06:54:34,536 INFO L857 garLoopResultBuilder]: For program point L242-6(line 242) no Hoare annotation was computed. [2021-10-13 06:54:34,536 INFO L857 garLoopResultBuilder]: For program point L242-8(line 242) no Hoare annotation was computed. [2021-10-13 06:54:34,536 INFO L857 garLoopResultBuilder]: For program point L242-9(line 242) no Hoare annotation was computed. [2021-10-13 06:54:34,536 INFO L857 garLoopResultBuilder]: For program point L242-11(line 242) no Hoare annotation was computed. [2021-10-13 06:54:34,536 INFO L857 garLoopResultBuilder]: For program point L243(line 243) no Hoare annotation was computed. [2021-10-13 06:54:34,536 INFO L857 garLoopResultBuilder]: For program point L243-2(line 243) no Hoare annotation was computed. [2021-10-13 06:54:34,536 INFO L857 garLoopResultBuilder]: For program point L243-4(line 243) no Hoare annotation was computed. [2021-10-13 06:54:34,536 INFO L857 garLoopResultBuilder]: For program point L243-6(line 243) no Hoare annotation was computed. [2021-10-13 06:54:34,536 INFO L857 garLoopResultBuilder]: For program point L442(line 442) no Hoare annotation was computed. [2021-10-13 06:54:34,536 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 348) no Hoare annotation was computed. [2021-10-13 06:54:34,536 INFO L857 garLoopResultBuilder]: For program point L343-1(lines 341 353) no Hoare annotation was computed. [2021-10-13 06:54:34,537 INFO L860 garLoopResultBuilder]: At program point L443(lines 452 484) the Hoare annotation is: true [2021-10-13 06:54:34,537 INFO L857 garLoopResultBuilder]: For program point L377-2(lines 377 380) no Hoare annotation was computed. [2021-10-13 06:54:34,537 INFO L853 garLoopResultBuilder]: At program point L377-3(lines 377 380) the Hoare annotation is: (and (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) (= (_ bv6144 32) ULTIMATE.start_Id_MCDC_115_~Id_MCDC_141~0)) [2021-10-13 06:54:34,537 INFO L857 garLoopResultBuilder]: For program point L377-4(lines 357 424) no Hoare annotation was computed. [2021-10-13 06:54:34,537 INFO L857 garLoopResultBuilder]: For program point L245(line 245) no Hoare annotation was computed. [2021-10-13 06:54:34,537 INFO L857 garLoopResultBuilder]: For program point L245-2(line 245) no Hoare annotation was computed. [2021-10-13 06:54:34,537 INFO L857 garLoopResultBuilder]: For program point L245-3(line 245) no Hoare annotation was computed. [2021-10-13 06:54:34,537 INFO L857 garLoopResultBuilder]: For program point L245-5(line 245) no Hoare annotation was computed. [2021-10-13 06:54:34,537 INFO L857 garLoopResultBuilder]: For program point L245-6(line 245) no Hoare annotation was computed. [2021-10-13 06:54:34,537 INFO L857 garLoopResultBuilder]: For program point L245-8(line 245) no Hoare annotation was computed. [2021-10-13 06:54:34,537 INFO L857 garLoopResultBuilder]: For program point L245-9(line 245) no Hoare annotation was computed. [2021-10-13 06:54:34,537 INFO L857 garLoopResultBuilder]: For program point L245-11(line 245) no Hoare annotation was computed. [2021-10-13 06:54:34,538 INFO L857 garLoopResultBuilder]: For program point L246(line 246) no Hoare annotation was computed. [2021-10-13 06:54:34,538 INFO L857 garLoopResultBuilder]: For program point L246-2(line 246) no Hoare annotation was computed. [2021-10-13 06:54:34,538 INFO L857 garLoopResultBuilder]: For program point L246-4(line 246) no Hoare annotation was computed. [2021-10-13 06:54:34,538 INFO L857 garLoopResultBuilder]: For program point L246-6(line 246) no Hoare annotation was computed. [2021-10-13 06:54:34,538 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 481) no Hoare annotation was computed. [2021-10-13 06:54:34,538 INFO L857 garLoopResultBuilder]: For program point L248(line 248) no Hoare annotation was computed. [2021-10-13 06:54:34,538 INFO L857 garLoopResultBuilder]: For program point L248-2(line 248) no Hoare annotation was computed. [2021-10-13 06:54:34,538 INFO L857 garLoopResultBuilder]: For program point L248-4(line 248) no Hoare annotation was computed. [2021-10-13 06:54:34,538 INFO L857 garLoopResultBuilder]: For program point L248-6(line 248) no Hoare annotation was computed. [2021-10-13 06:54:34,538 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 417) no Hoare annotation was computed. [2021-10-13 06:54:34,544 INFO L857 garLoopResultBuilder]: For program point L381(lines 381 422) no Hoare annotation was computed. [2021-10-13 06:54:34,545 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 06:54:34,545 INFO L857 garLoopResultBuilder]: For program point L383-2(lines 383 421) no Hoare annotation was computed. [2021-10-13 06:54:34,545 INFO L853 garLoopResultBuilder]: At program point L383-3(lines 383 421) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-10-13 06:54:34,545 INFO L857 garLoopResultBuilder]: For program point L251-1(lines 251 258) no Hoare annotation was computed. [2021-10-13 06:54:34,545 INFO L853 garLoopResultBuilder]: At program point L251-3(lines 251 258) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-10-13 06:54:34,545 INFO L857 garLoopResultBuilder]: For program point L251-4(lines 251 258) no Hoare annotation was computed. [2021-10-13 06:54:34,546 INFO L857 garLoopResultBuilder]: For program point L251-6(lines 251 258) no Hoare annotation was computed. [2021-10-13 06:54:34,546 INFO L853 garLoopResultBuilder]: At program point L251-8(lines 251 258) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-10-13 06:54:34,546 INFO L857 garLoopResultBuilder]: For program point L251-9(lines 251 258) no Hoare annotation was computed. [2021-10-13 06:54:34,546 INFO L857 garLoopResultBuilder]: For program point L251-11(lines 251 258) no Hoare annotation was computed. [2021-10-13 06:54:34,546 INFO L853 garLoopResultBuilder]: At program point L251-13(lines 251 258) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-10-13 06:54:34,546 INFO L857 garLoopResultBuilder]: For program point L251-14(lines 251 258) no Hoare annotation was computed. [2021-10-13 06:54:34,546 INFO L857 garLoopResultBuilder]: For program point L251-16(lines 251 258) no Hoare annotation was computed. [2021-10-13 06:54:34,547 INFO L853 garLoopResultBuilder]: At program point L251-18(lines 251 258) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-10-13 06:54:34,547 INFO L857 garLoopResultBuilder]: For program point L251-19(lines 251 258) no Hoare annotation was computed. [2021-10-13 06:54:34,547 INFO L857 garLoopResultBuilder]: For program point L386(lines 386 389) no Hoare annotation was computed. [2021-10-13 06:54:34,547 INFO L857 garLoopResultBuilder]: For program point L254(lines 254 257) no Hoare annotation was computed. [2021-10-13 06:54:34,547 INFO L857 garLoopResultBuilder]: For program point L254-1(lines 254 257) no Hoare annotation was computed. [2021-10-13 06:54:34,547 INFO L857 garLoopResultBuilder]: For program point L254-2(lines 254 257) no Hoare annotation was computed. [2021-10-13 06:54:34,547 INFO L857 garLoopResultBuilder]: For program point L254-3(lines 254 257) no Hoare annotation was computed. [2021-10-13 06:54:34,548 INFO L853 garLoopResultBuilder]: At program point L354(lines 325 355) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-10-13 06:54:34,548 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 06:54:34,548 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 226) no Hoare annotation was computed. [2021-10-13 06:54:34,549 INFO L857 garLoopResultBuilder]: For program point L223-1(lines 223 226) no Hoare annotation was computed. [2021-10-13 06:54:34,549 INFO L857 garLoopResultBuilder]: For program point L223-2(lines 223 226) no Hoare annotation was computed. [2021-10-13 06:54:34,549 INFO L857 garLoopResultBuilder]: For program point L223-3(lines 223 226) no Hoare annotation was computed. [2021-10-13 06:54:34,549 INFO L853 garLoopResultBuilder]: At program point L423(lines 356 424) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-10-13 06:54:34,549 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 393) no Hoare annotation was computed. [2021-10-13 06:54:34,549 INFO L857 garLoopResultBuilder]: For program point L259(line 259) no Hoare annotation was computed. [2021-10-13 06:54:34,549 INFO L857 garLoopResultBuilder]: For program point L259-2(line 259) no Hoare annotation was computed. [2021-10-13 06:54:34,550 INFO L857 garLoopResultBuilder]: For program point L259-3(line 259) no Hoare annotation was computed. [2021-10-13 06:54:34,550 INFO L857 garLoopResultBuilder]: For program point L259-5(lines 259 271) no Hoare annotation was computed. [2021-10-13 06:54:34,550 INFO L857 garLoopResultBuilder]: For program point L259-6(line 259) no Hoare annotation was computed. [2021-10-13 06:54:34,550 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 06:54:34,550 INFO L857 garLoopResultBuilder]: For program point L259-8(line 259) no Hoare annotation was computed. [2021-10-13 06:54:34,550 INFO L857 garLoopResultBuilder]: For program point L259-9(line 259) no Hoare annotation was computed. [2021-10-13 06:54:34,550 INFO L857 garLoopResultBuilder]: For program point L259-11(lines 259 271) no Hoare annotation was computed. [2021-10-13 06:54:34,551 INFO L857 garLoopResultBuilder]: For program point L259-12(line 259) no Hoare annotation was computed. [2021-10-13 06:54:34,551 INFO L857 garLoopResultBuilder]: For program point L259-14(line 259) no Hoare annotation was computed. [2021-10-13 06:54:34,551 INFO L857 garLoopResultBuilder]: For program point L259-15(line 259) no Hoare annotation was computed. [2021-10-13 06:54:34,551 INFO L857 garLoopResultBuilder]: For program point L259-17(lines 259 271) no Hoare annotation was computed. [2021-10-13 06:54:34,551 INFO L857 garLoopResultBuilder]: For program point L259-18(line 259) no Hoare annotation was computed. [2021-10-13 06:54:34,551 INFO L857 garLoopResultBuilder]: For program point L259-20(line 259) no Hoare annotation was computed. [2021-10-13 06:54:34,551 INFO L857 garLoopResultBuilder]: For program point L259-21(line 259) no Hoare annotation was computed. [2021-10-13 06:54:34,552 INFO L857 garLoopResultBuilder]: For program point L259-23(lines 259 271) no Hoare annotation was computed. [2021-10-13 06:54:34,552 INFO L857 garLoopResultBuilder]: For program point L227(lines 227 233) no Hoare annotation was computed. [2021-10-13 06:54:34,552 INFO L857 garLoopResultBuilder]: For program point L227-2(lines 227 233) no Hoare annotation was computed. [2021-10-13 06:54:34,553 INFO L857 garLoopResultBuilder]: For program point L227-3(lines 227 233) no Hoare annotation was computed. [2021-10-13 06:54:34,553 INFO L857 garLoopResultBuilder]: For program point L227-5(lines 227 233) no Hoare annotation was computed. [2021-10-13 06:54:34,553 INFO L857 garLoopResultBuilder]: For program point L227-6(lines 227 233) no Hoare annotation was computed. [2021-10-13 06:54:34,553 INFO L857 garLoopResultBuilder]: For program point L227-8(lines 227 233) no Hoare annotation was computed. [2021-10-13 06:54:34,553 INFO L857 garLoopResultBuilder]: For program point L227-9(lines 227 233) no Hoare annotation was computed. [2021-10-13 06:54:34,553 INFO L857 garLoopResultBuilder]: For program point L227-11(lines 227 233) no Hoare annotation was computed. [2021-10-13 06:54:34,553 INFO L857 garLoopResultBuilder]: For program point L261(lines 261 266) no Hoare annotation was computed. [2021-10-13 06:54:34,554 INFO L857 garLoopResultBuilder]: For program point L261-1(lines 259 271) no Hoare annotation was computed. [2021-10-13 06:54:34,554 INFO L857 garLoopResultBuilder]: For program point L261-2(lines 261 266) no Hoare annotation was computed. [2021-10-13 06:54:34,554 INFO L857 garLoopResultBuilder]: For program point L261-3(lines 259 271) no Hoare annotation was computed. [2021-10-13 06:54:34,554 INFO L857 garLoopResultBuilder]: For program point L261-4(lines 261 266) no Hoare annotation was computed. [2021-10-13 06:54:34,554 INFO L857 garLoopResultBuilder]: For program point L261-5(lines 259 271) no Hoare annotation was computed. [2021-10-13 06:54:34,554 INFO L857 garLoopResultBuilder]: For program point L261-6(lines 261 266) no Hoare annotation was computed. [2021-10-13 06:54:34,554 INFO L857 garLoopResultBuilder]: For program point L261-7(lines 259 271) no Hoare annotation was computed. [2021-10-13 06:54:34,555 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2021-10-13 06:54:34,555 INFO L857 garLoopResultBuilder]: For program point L229-1(lines 229 232) no Hoare annotation was computed. [2021-10-13 06:54:34,555 INFO L857 garLoopResultBuilder]: For program point L229-2(lines 229 232) no Hoare annotation was computed. [2021-10-13 06:54:34,555 INFO L857 garLoopResultBuilder]: For program point L229-3(lines 229 232) no Hoare annotation was computed. [2021-10-13 06:54:34,555 INFO L857 garLoopResultBuilder]: For program point L329(lines 329 332) no Hoare annotation was computed. [2021-10-13 06:54:34,555 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 06:54:34,556 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 399) no Hoare annotation was computed. [2021-10-13 06:54:34,556 INFO L857 garLoopResultBuilder]: For program point L431-2(lines 431 441) no Hoare annotation was computed. [2021-10-13 06:54:34,563 INFO L860 garLoopResultBuilder]: At program point L431-3(lines 431 441) the Hoare annotation is: true [2021-10-13 06:54:34,563 INFO L860 garLoopResultBuilder]: At program point L431-4(lines 431 441) the Hoare annotation is: true [2021-10-13 06:54:34,567 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 06:54:34,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:54:34 BoogieIcfgContainer [2021-10-13 06:54:34,589 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 06:54:34,590 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 06:54:34,590 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 06:54:34,591 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 06:54:34,591 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:54:25" (3/4) ... [2021-10-13 06:54:34,597 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 06:54:34,603 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_113 [2021-10-13 06:54:34,629 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2021-10-13 06:54:34,633 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-10-13 06:54:34,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 06:54:34,636 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-13 06:54:34,638 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 06:54:34,640 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 06:54:34,679 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 2bv32 == \old(Id_MCDC_111) || !(2bv32 == Id_MCDC_111) [2021-10-13 06:54:34,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2bv32 == \old(Id_MCDC_111) || !(2bv32 == Id_MCDC_111)) && 1bv32 == Id_MCDC_121) && (!(4bv32 == \old(Id_MCDC_111)) || 4bv32 == Id_MCDC_111) [2021-10-13 06:54:34,780 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 06:54:34,781 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 06:54:34,782 INFO L168 Benchmark]: Toolchain (without parser) took 11832.28 ms. Allocated memory was 58.7 MB in the beginning and 100.7 MB in the end (delta: 41.9 MB). Free memory was 36.6 MB in the beginning and 56.7 MB in the end (delta: -20.1 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. [2021-10-13 06:54:34,783 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 58.7 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:54:34,783 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.26 ms. Allocated memory is still 58.7 MB. Free memory was 36.4 MB in the beginning and 27.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-10-13 06:54:34,784 INFO L168 Benchmark]: Boogie Procedure Inliner took 159.38 ms. Allocated memory was 58.7 MB in the beginning and 83.9 MB in the end (delta: 25.2 MB). Free memory was 27.6 MB in the beginning and 63.8 MB in the end (delta: -36.2 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2021-10-13 06:54:34,784 INFO L168 Benchmark]: Boogie Preprocessor took 179.69 ms. Allocated memory is still 83.9 MB. Free memory was 63.8 MB in the beginning and 58.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 06:54:34,785 INFO L168 Benchmark]: RCFGBuilder took 1514.74 ms. Allocated memory is still 83.9 MB. Free memory was 58.8 MB in the beginning and 52.6 MB in the end (delta: 6.2 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:54:34,785 INFO L168 Benchmark]: TraceAbstraction took 9096.73 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 52.1 MB in the beginning and 73.8 MB in the end (delta: -21.7 MB). Peak memory consumption was 44.6 MB. Max. memory is 16.1 GB. [2021-10-13 06:54:34,785 INFO L168 Benchmark]: Witness Printer took 190.69 ms. Allocated memory is still 100.7 MB. Free memory was 73.8 MB in the beginning and 56.7 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-13 06:54:34,788 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 58.7 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 682.26 ms. Allocated memory is still 58.7 MB. Free memory was 36.4 MB in the beginning and 27.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 159.38 ms. Allocated memory was 58.7 MB in the beginning and 83.9 MB in the end (delta: 25.2 MB). Free memory was 27.6 MB in the beginning and 63.8 MB in the end (delta: -36.2 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 179.69 ms. Allocated memory is still 83.9 MB. Free memory was 63.8 MB in the beginning and 58.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1514.74 ms. Allocated memory is still 83.9 MB. Free memory was 58.8 MB in the beginning and 52.6 MB in the end (delta: 6.2 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9096.73 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 52.1 MB in the beginning and 73.8 MB in the end (delta: -21.7 MB). Peak memory consumption was 44.6 MB. Max. memory is 16.1 GB. * Witness Printer took 190.69 ms. Allocated memory is still 100.7 MB. Free memory was 73.8 MB in the beginning and 56.7 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 489]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 176 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9018.9ms, OverallIterations: 6, TraceHistogramMax: 2, EmptinessCheckTime: 24.0ms, AutomataDifference: 504.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 220.5ms, InitialAbstractionConstructionTime: 14.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1761 SDtfs, 1173 SDslu, 2143 SDs, 0 SdLazy, 58 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 211.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 588 GetRequests, 550 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 279.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=208occurred in iteration=5, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 122.0ms AutomataMinimizationTime, 6 MinimizatonAttempts, 381 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 25 LocationsWithAnnotation, 85 PreInvPairs, 125 NumberOfFragments, 103 HoareAnnotationTreeSize, 85 FomulaSimplifications, 35 FormulaSimplificationTreeSizeReduction, 96.6ms HoareSimplificationTime, 25 FomulaSimplificationsInter, 37 FormulaSimplificationTreeSizeReductionInter, 112.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 333.1ms SsaConstructionTime, 1416.9ms SatisfiabilityAnalysisTime, 2310.3ms InterpolantComputationTime, 304 NumberOfCodeBlocks, 304 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 586 ConstructedInterpolants, 0 QuantifiedInterpolants, 804 SizeOfPredicates, 14 NumberOfNonLiveVariables, 2685 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 22 InterpolantComputations, 10 PerfectInterpolantSequences, 54/106 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 && 6144bv32 == Id_MCDC_141 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 2bv32 == \old(Id_MCDC_111) || !(2bv32 == Id_MCDC_111) - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: ((2bv32 == \old(Id_MCDC_111) || !(2bv32 == Id_MCDC_111)) && 1bv32 == Id_MCDC_121) && (!(4bv32 == \old(Id_MCDC_111)) || 4bv32 == Id_MCDC_111) - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 RESULT: Ultimate proved your program to be correct! [2021-10-13 06:54:34,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb044a-f84d-48e7-8847-8e29b41dcbfa/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...