./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs --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 5defd2208c93a2ab255ba6ec6639b51820669e1a ............................................................................................................................................ 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_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs --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 5defd2208c93a2ab255ba6ec6639b51820669e1a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 03:04:46,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:04:46,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:04:46,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:04:46,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:04:46,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:04:46,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:04:46,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:04:46,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:04:46,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:04:46,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:04:46,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:04:46,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:04:46,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:04:46,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:04:46,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:04:46,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:04:46,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:04:46,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:04:46,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:04:46,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:04:46,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:04:46,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:04:46,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:04:46,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:04:46,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:04:46,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:04:46,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:04:46,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:04:46,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:04:46,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:04:46,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:04:46,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:04:46,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:04:46,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:04:46,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:04:46,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:04:46,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:04:46,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:04:46,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:04:46,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:04:46,588 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 03:04:46,622 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:04:46,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:04:46,624 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:04:46,624 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:04:46,625 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:04:46,625 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:04:46,626 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 03:04:46,626 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:04:46,627 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:04:46,627 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 03:04:46,628 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 03:04:46,628 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:04:46,629 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 03:04:46,630 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 03:04:46,630 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 03:04:46,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:04:46,632 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:04:46,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 03:04:46,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:04:46,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:04:46,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:04:46,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:04:46,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:04:46,635 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:04:46,635 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:04:46,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:04:46,636 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:04:46,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:04:46,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:04:46,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:04:46,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:04:46,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:04:46,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:04:46,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:04:46,641 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 03:04:46,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 03:04:46,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:04:46,643 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:04:46,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:04:46,644 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_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5defd2208c93a2ab255ba6ec6639b51820669e1a [2021-10-16 03:04:46,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:04:46,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:04:47,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:04:47,004 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:04:47,005 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:04:47,006 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c [2021-10-16 03:04:47,083 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/data/5dbfee2cd/71f629128fac46248d5be0a0fc1af869/FLAG398851582 [2021-10-16 03:04:47,669 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:04:47,670 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/sv-benchmarks/c/loop-industry-pattern/ofuf_4.c [2021-10-16 03:04:47,687 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/data/5dbfee2cd/71f629128fac46248d5be0a0fc1af869/FLAG398851582 [2021-10-16 03:04:47,967 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/data/5dbfee2cd/71f629128fac46248d5be0a0fc1af869 [2021-10-16 03:04:47,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:04:47,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:04:47,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:04:47,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:04:47,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:04:47,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:04:47" (1/1) ... [2021-10-16 03:04:47,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e245ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:47, skipping insertion in model container [2021-10-16 03:04:47,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:04:47" (1/1) ... [2021-10-16 03:04:47,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:04:48,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:04:48,344 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_3397a914-f2d9-4892-8534-e9132d8ad825/sv-benchmarks/c/loop-industry-pattern/ofuf_4.c[11358,11371] [2021-10-16 03:04:48,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:04:48,361 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) [2021-10-16 03:04:48,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ee57c24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:48, skipping insertion in model container [2021-10-16 03:04:48,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:04:48,362 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 03:04:48,365 INFO L168 Benchmark]: Toolchain (without parser) took 391.65 ms. Allocated memory is still 102.8 MB. Free memory was 72.8 MB in the beginning and 77.1 MB in the end (delta: -4.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:04:48,366 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 102.8 MB. Free memory is still 56.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:04:48,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.51 ms. Allocated memory is still 102.8 MB. Free memory was 72.8 MB in the beginning and 77.1 MB in the end (delta: -4.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:04:48,369 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 102.8 MB. Free memory is still 56.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 384.51 ms. Allocated memory is still 102.8 MB. Free memory was 72.8 MB in the beginning and 77.1 MB in the end (delta: -4.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 404]: 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-5709675 [2021-10-16 03:04:50,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:04:50,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:04:51,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:04:51,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:04:51,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:04:51,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:04:51,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:04:51,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:04:51,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:04:51,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:04:51,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:04:51,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:04:51,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:04:51,060 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:04:51,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:04:51,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:04:51,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:04:51,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:04:51,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:04:51,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:04:51,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:04:51,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:04:51,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:04:51,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:04:51,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:04:51,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:04:51,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:04:51,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:04:51,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:04:51,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:04:51,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:04:51,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:04:51,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:04:51,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:04:51,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:04:51,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:04:51,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:04:51,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:04:51,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:04:51,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:04:51,127 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 03:04:51,180 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:04:51,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:04:51,183 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:04:51,183 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:04:51,183 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:04:51,184 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:04:51,184 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:04:51,184 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:04:51,185 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:04:51,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:04:51,189 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:04:51,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:04:51,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:04:51,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:04:51,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:04:51,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:04:51,190 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:04:51,191 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 03:04:51,191 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 03:04:51,191 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:04:51,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:04:51,192 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:04:51,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:04:51,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:04:51,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 03:04:51,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:04:51,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:04:51,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:04:51,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:04:51,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:04:51,194 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 03:04:51,195 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 03:04:51,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:04:51,195 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:04:51,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:04:51,196 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_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5defd2208c93a2ab255ba6ec6639b51820669e1a [2021-10-16 03:04:51,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:04:51,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:04:51,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:04:51,747 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:04:51,748 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:04:51,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c [2021-10-16 03:04:51,835 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/data/1585e69bf/7183fdc6155a4680a2ee0ccdeab86704/FLAGf4cab7194 [2021-10-16 03:04:52,554 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:04:52,556 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/sv-benchmarks/c/loop-industry-pattern/ofuf_4.c [2021-10-16 03:04:52,571 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/data/1585e69bf/7183fdc6155a4680a2ee0ccdeab86704/FLAGf4cab7194 [2021-10-16 03:04:52,767 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/data/1585e69bf/7183fdc6155a4680a2ee0ccdeab86704 [2021-10-16 03:04:52,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:04:52,771 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:04:52,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:04:52,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:04:52,792 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:04:52,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:04:52" (1/1) ... [2021-10-16 03:04:52,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@597db6fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:52, skipping insertion in model container [2021-10-16 03:04:52,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:04:52" (1/1) ... [2021-10-16 03:04:52,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:04:52,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:04:53,231 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_3397a914-f2d9-4892-8534-e9132d8ad825/sv-benchmarks/c/loop-industry-pattern/ofuf_4.c[11358,11371] [2021-10-16 03:04:53,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:04:53,251 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-16 03:04:53,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:04:53,324 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_3397a914-f2d9-4892-8534-e9132d8ad825/sv-benchmarks/c/loop-industry-pattern/ofuf_4.c[11358,11371] [2021-10-16 03:04:53,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:04:53,336 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:04:53,417 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_3397a914-f2d9-4892-8534-e9132d8ad825/sv-benchmarks/c/loop-industry-pattern/ofuf_4.c[11358,11371] [2021-10-16 03:04:53,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:04:53,441 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:04:53,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:53 WrapperNode [2021-10-16 03:04:53,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:04:53,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:04:53,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:04:53,444 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:04:53,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:53" (1/1) ... [2021-10-16 03:04:53,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:53" (1/1) ... [2021-10-16 03:04:53,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:04:53,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:04:53,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:04:53,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:04:53,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:53" (1/1) ... [2021-10-16 03:04:53,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:53" (1/1) ... [2021-10-16 03:04:53,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:53" (1/1) ... [2021-10-16 03:04:53,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:53" (1/1) ... [2021-10-16 03:04:53,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:53" (1/1) ... [2021-10-16 03:04:53,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:53" (1/1) ... [2021-10-16 03:04:53,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:53" (1/1) ... [2021-10-16 03:04:53,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:04:53,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:04:53,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:04:53,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:04:53,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:53" (1/1) ... [2021-10-16 03:04:53,646 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:04:53,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:04:53,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:04:53,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:04:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-16 03:04:53,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-10-16 03:04:53,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-10-16 03:04:53,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 03:04:53,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-16 03:04:53,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-16 03:04:53,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:04:53,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-16 03:04:53,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-10-16 03:04:53,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-16 03:04:53,790 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-10-16 03:04:53,790 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2021-10-16 03:04:53,790 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2021-10-16 03:04:53,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-16 03:04:53,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:04:53,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:04:53,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-16 03:04:53,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 03:04:53,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-16 03:04:55,581 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:04:55,581 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2021-10-16 03:04:55,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:04:55 BoogieIcfgContainer [2021-10-16 03:04:55,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:04:55,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:04:55,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:04:55,590 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:04:55,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:04:52" (1/3) ... [2021-10-16 03:04:55,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b31748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:04:55, skipping insertion in model container [2021-10-16 03:04:55,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:53" (2/3) ... [2021-10-16 03:04:55,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b31748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:04:55, skipping insertion in model container [2021-10-16 03:04:55,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:04:55" (3/3) ... [2021-10-16 03:04:55,594 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_4.c [2021-10-16 03:04:55,601 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:04:55,601 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 03:04:55,660 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:04:55,668 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 [2021-10-16 03:04:55,669 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 03:04:55,695 INFO L276 IsEmpty]: Start isEmpty. Operand has 178 states, 173 states have (on average 1.6473988439306357) internal successors, (285), 174 states have internal predecessors, (285), 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) [2021-10-16 03:04:55,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-16 03:04:55,708 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:04:55,709 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:04:55,710 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:04:55,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:04:55,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1619751197, now seen corresponding path program 1 times [2021-10-16 03:04:55,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:04:55,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1462010077] [2021-10-16 03:04:55,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:04:55,760 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:04:55,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:04:55,763 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:04:55,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 03:04:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:04:56,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-16 03:04:56,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:04:56,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:04:56,360 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:04:56,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:04:56,470 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:04:56,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1462010077] [2021-10-16 03:04:56,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1462010077] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:04:56,472 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:04:56,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-16 03:04:56,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018037825] [2021-10-16 03:04:56,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 03:04:56,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:04:56,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 03:04:56,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 03:04:56,509 INFO L87 Difference]: Start difference. First operand has 178 states, 173 states have (on average 1.6473988439306357) internal successors, (285), 174 states have internal predecessors, (285), 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 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2021-10-16 03:04:56,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:04:56,589 INFO L93 Difference]: Finished difference Result 351 states and 572 transitions. [2021-10-16 03:04:56,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 03:04:56,591 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 22 [2021-10-16 03:04:56,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:04:56,606 INFO L225 Difference]: With dead ends: 351 [2021-10-16 03:04:56,606 INFO L226 Difference]: Without dead ends: 174 [2021-10-16 03:04:56,611 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 03:04:56,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-10-16 03:04:56,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2021-10-16 03:04:56,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 170 states have (on average 1.576470588235294) internal successors, (268), 171 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) [2021-10-16 03:04:56,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 271 transitions. [2021-10-16 03:04:56,702 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 271 transitions. Word has length 22 [2021-10-16 03:04:56,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:04:56,703 INFO L470 AbstractCegarLoop]: Abstraction has 174 states and 271 transitions. [2021-10-16 03:04:56,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2021-10-16 03:04:56,703 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 271 transitions. [2021-10-16 03:04:56,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-16 03:04:56,708 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:04:56,708 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:04:56,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 03:04:56,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:04:56,921 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:04:56,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:04:56,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1421069872, now seen corresponding path program 1 times [2021-10-16 03:04:56,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:04:56,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [746822792] [2021-10-16 03:04:56,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:04:56,924 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:04:56,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:04:56,928 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:04:56,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 03:04:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:04:57,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:04:57,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:04:57,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:04:57,395 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:04:57,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:04:57,493 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:04:57,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [746822792] [2021-10-16 03:04:57,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [746822792] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:04:57,494 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:04:57,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 03:04:57,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423965544] [2021-10-16 03:04:57,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:04:57,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:04:57,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:04:57,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:04:57,503 INFO L87 Difference]: Start difference. First operand 174 states and 271 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-10-16 03:04:57,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:04:57,662 INFO L93 Difference]: Finished difference Result 636 states and 1009 transitions. [2021-10-16 03:04:57,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:04:57,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 22 [2021-10-16 03:04:57,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:04:57,677 INFO L225 Difference]: With dead ends: 636 [2021-10-16 03:04:57,678 INFO L226 Difference]: Without dead ends: 467 [2021-10-16 03:04:57,683 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:04:57,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2021-10-16 03:04:57,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 177. [2021-10-16 03:04:57,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 173 states have (on average 1.5664739884393064) internal successors, (271), 174 states have internal predecessors, (271), 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) [2021-10-16 03:04:57,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 274 transitions. [2021-10-16 03:04:57,716 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 274 transitions. Word has length 22 [2021-10-16 03:04:57,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:04:57,717 INFO L470 AbstractCegarLoop]: Abstraction has 177 states and 274 transitions. [2021-10-16 03:04:57,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-10-16 03:04:57,718 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 274 transitions. [2021-10-16 03:04:57,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-16 03:04:57,725 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:04:57,725 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, 1, 1, 1] [2021-10-16 03:04:57,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-16 03:04:57,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:04:57,939 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:04:57,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:04:57,940 INFO L82 PathProgramCache]: Analyzing trace with hash -271600628, now seen corresponding path program 1 times [2021-10-16 03:04:57,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:04:57,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2079012615] [2021-10-16 03:04:57,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:04:57,943 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:04:57,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:04:57,944 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:04:57,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 03:04:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:04:58,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 03:04:58,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:04:58,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:04:58,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:04:58,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:04:58,571 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:04:58,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2079012615] [2021-10-16 03:04:58,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2079012615] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:04:58,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [311998073] [2021-10-16 03:04:58,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:04:58,573 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 03:04:58,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 03:04:58,577 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 03:04:58,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-10-16 03:04:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:04:58,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:04:58,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:04:59,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-16 03:04:59,050 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:04:59,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-16 03:04:59,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [311998073] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:04:59,171 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-16 03:04:59,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 12 [2021-10-16 03:04:59,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262835577] [2021-10-16 03:04:59,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 03:04:59,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:04:59,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 03:04:59,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-10-16 03:04:59,174 INFO L87 Difference]: Start difference. First operand 177 states and 274 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 4 states have internal predecessors, (26), 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) [2021-10-16 03:04:59,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:04:59,304 INFO L93 Difference]: Finished difference Result 260 states and 378 transitions. [2021-10-16 03:04:59,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-16 03:04:59,307 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 4 states have internal predecessors, (26), 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 26 [2021-10-16 03:04:59,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:04:59,312 INFO L225 Difference]: With dead ends: 260 [2021-10-16 03:04:59,312 INFO L226 Difference]: Without dead ends: 238 [2021-10-16 03:04:59,314 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 156.3ms TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-10-16 03:04:59,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2021-10-16 03:04:59,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 216. [2021-10-16 03:04:59,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 209 states have (on average 1.5167464114832536) internal successors, (317), 209 states have internal predecessors, (317), 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) [2021-10-16 03:04:59,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 324 transitions. [2021-10-16 03:04:59,356 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 324 transitions. Word has length 26 [2021-10-16 03:04:59,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:04:59,357 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 324 transitions. [2021-10-16 03:04:59,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 4 states have internal predecessors, (26), 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) [2021-10-16 03:04:59,357 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 324 transitions. [2021-10-16 03:04:59,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-16 03:04:59,361 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:04:59,361 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] [2021-10-16 03:04:59,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2021-10-16 03:04:59,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 03:04:59,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:04:59,776 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:04:59,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:04:59,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1996583362, now seen corresponding path program 1 times [2021-10-16 03:04:59,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:04:59,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2076915539] [2021-10-16 03:04:59,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:04:59,778 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:04:59,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:04:59,780 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:04:59,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-16 03:05:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:05:00,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 03:05:00,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:05:00,243 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-16 03:05:00,244 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:05:00,405 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:05:00,406 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:05:00,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2076915539] [2021-10-16 03:05:00,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2076915539] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:05:00,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [844327271] [2021-10-16 03:05:00,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:05:00,407 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 03:05:00,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 03:05:00,409 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 03:05:00,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-10-16 03:05:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:05:00,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:05:00,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:05:00,898 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 03:05:00,898 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:05:01,024 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-16 03:05:01,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [844327271] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-16 03:05:01,025 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-10-16 03:05:01,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5, 3] total 10 [2021-10-16 03:05:01,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061926797] [2021-10-16 03:05:01,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:05:01,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:05:01,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:05:01,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-16 03:05:01,027 INFO L87 Difference]: Start difference. First operand 216 states and 324 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-10-16 03:05:01,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:05:01,100 INFO L93 Difference]: Finished difference Result 353 states and 523 transitions. [2021-10-16 03:05:01,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:05:01,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 32 [2021-10-16 03:05:01,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:05:01,105 INFO L225 Difference]: With dead ends: 353 [2021-10-16 03:05:01,105 INFO L226 Difference]: Without dead ends: 284 [2021-10-16 03:05:01,106 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 83.4ms TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-16 03:05:01,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-10-16 03:05:01,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 216. [2021-10-16 03:05:01,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 209 states have (on average 1.5119617224880382) internal successors, (316), 209 states have internal predecessors, (316), 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) [2021-10-16 03:05:01,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 323 transitions. [2021-10-16 03:05:01,119 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 323 transitions. Word has length 32 [2021-10-16 03:05:01,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:05:01,119 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 323 transitions. [2021-10-16 03:05:01,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-10-16 03:05:01,120 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 323 transitions. [2021-10-16 03:05:01,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-16 03:05:01,121 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:05:01,122 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] [2021-10-16 03:05:01,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-16 03:05:01,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2021-10-16 03:05:01,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt [2021-10-16 03:05:01,542 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:05:01,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:05:01,543 INFO L82 PathProgramCache]: Analyzing trace with hash 467942327, now seen corresponding path program 1 times [2021-10-16 03:05:01,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:05:01,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [72612522] [2021-10-16 03:05:01,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:05:01,544 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:05:01,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:05:01,548 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:05:01,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-16 03:05:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:05:01,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 03:05:01,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:05:02,052 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-16 03:05:02,053 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:05:02,185 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:05:02,185 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:05:02,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [72612522] [2021-10-16 03:05:02,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [72612522] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:05:02,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [377865653] [2021-10-16 03:05:02,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:05:02,186 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 03:05:02,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 03:05:02,187 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 03:05:02,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-10-16 03:05:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:05:02,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:05:02,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:05:02,615 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 03:05:02,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:05:02,714 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-16 03:05:02,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [377865653] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-16 03:05:02,715 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-10-16 03:05:02,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5, 3] total 10 [2021-10-16 03:05:02,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164902006] [2021-10-16 03:05:02,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:05:02,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:05:02,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:05:02,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-16 03:05:02,717 INFO L87 Difference]: Start difference. First operand 216 states and 323 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-10-16 03:05:02,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:05:02,791 INFO L93 Difference]: Finished difference Result 283 states and 410 transitions. [2021-10-16 03:05:02,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:05:02,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 33 [2021-10-16 03:05:02,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:05:02,794 INFO L225 Difference]: With dead ends: 283 [2021-10-16 03:05:02,794 INFO L226 Difference]: Without dead ends: 220 [2021-10-16 03:05:02,795 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 62.8ms TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-16 03:05:02,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-10-16 03:05:02,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 217. [2021-10-16 03:05:02,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 210 states have (on average 1.5095238095238095) internal successors, (317), 210 states have internal predecessors, (317), 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) [2021-10-16 03:05:02,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 324 transitions. [2021-10-16 03:05:02,806 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 324 transitions. Word has length 33 [2021-10-16 03:05:02,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:05:02,807 INFO L470 AbstractCegarLoop]: Abstraction has 217 states and 324 transitions. [2021-10-16 03:05:02,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-10-16 03:05:02,807 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 324 transitions. [2021-10-16 03:05:02,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-16 03:05:02,809 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:05:02,809 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, 1, 1, 1] [2021-10-16 03:05:02,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-10-16 03:05:03,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-16 03:05:03,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:05:03,222 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:05:03,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:05:03,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1909524496, now seen corresponding path program 1 times [2021-10-16 03:05:03,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:05:03,223 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [527779248] [2021-10-16 03:05:03,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:05:03,223 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:05:03,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:05:03,224 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:05:03,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-16 03:05:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:05:03,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 03:05:03,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:05:03,756 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-16 03:05:03,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:05:03,901 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-16 03:05:03,901 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:05:03,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [527779248] [2021-10-16 03:05:03,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [527779248] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:05:03,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1898557944] [2021-10-16 03:05:03,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:05:03,902 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 03:05:03,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 03:05:03,904 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 03:05:03,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-10-16 03:05:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:05:04,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 03:05:04,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:05:04,643 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-16 03:05:04,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:05:04,768 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-16 03:05:04,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1898557944] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:05:04,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548042462] [2021-10-16 03:05:04,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:05:04,769 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:05:04,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:05:04,771 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 03:05:04,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-16 03:05:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:05:05,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 03:05:05,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:05:05,427 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-16 03:05:05,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:05:05,567 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-16 03:05:05,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548042462] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:05:05,568 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-10-16 03:05:05,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5, 5, 5] total 11 [2021-10-16 03:05:05,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524503645] [2021-10-16 03:05:05,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 03:05:05,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:05:05,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 03:05:05,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-16 03:05:05,570 INFO L87 Difference]: Start difference. First operand 217 states and 324 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2021-10-16 03:05:05,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:05:05,756 INFO L93 Difference]: Finished difference Result 269 states and 392 transitions. [2021-10-16 03:05:05,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 03:05:05,763 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 37 [2021-10-16 03:05:05,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:05:05,764 INFO L225 Difference]: With dead ends: 269 [2021-10-16 03:05:05,764 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 03:05:05,765 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 93.4ms TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-10-16 03:05:05,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 03:05:05,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 03:05:05,766 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) [2021-10-16 03:05:05,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 03:05:05,766 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2021-10-16 03:05:05,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:05:05,766 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 03:05:05,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2021-10-16 03:05:05,767 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 03:05:05,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 03:05:05,769 INFO L764 garLoopResultBuilder]: Registering result SAFE for location Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:05:05,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-16 03:05:06,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-16 03:05:06,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-10-16 03:05:06,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt [2021-10-16 03:05:06,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 03:05:06,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,586 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:05:06,766 INFO L857 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2021-10-16 03:05:06,766 INFO L857 garLoopResultBuilder]: For program point L11(lines 11 14) no Hoare annotation was computed. [2021-10-16 03:05:06,767 INFO L853 garLoopResultBuilder]: At program point L461-2(lines 459 466) the Hoare annotation is: (and (or (= (_ bv2 32) |Id_MCDC_95_#in~Id_MCDC_93|) (not (= (_ bv2 32) Id_MCDC_95_~Id_MCDC_93))) (= Id_MCDC_95___VERIFIER_assert_~Id_MCDC_103 (_ bv1 32)) |Id_MCDC_95_#t~short30|) [2021-10-16 03:05:06,767 INFO L857 garLoopResultBuilder]: For program point L11-2(lines 11 14) no Hoare annotation was computed. [2021-10-16 03:05:06,767 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 295) no Hoare annotation was computed. [2021-10-16 03:05:06,767 INFO L857 garLoopResultBuilder]: For program point L255(lines 255 269) no Hoare annotation was computed. [2021-10-16 03:05:06,767 INFO L857 garLoopResultBuilder]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2021-10-16 03:05:06,767 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 287) no Hoare annotation was computed. [2021-10-16 03:05:06,767 INFO L860 garLoopResultBuilder]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2021-10-16 03:05:06,768 INFO L857 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2021-10-16 03:05:06,768 INFO L857 garLoopResultBuilder]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2021-10-16 03:05:06,768 INFO L857 garLoopResultBuilder]: For program point L298(line 298) no Hoare annotation was computed. [2021-10-16 03:05:06,768 INFO L857 garLoopResultBuilder]: For program point L9(lines 9 15) no Hoare annotation was computed. [2021-10-16 03:05:06,768 INFO L857 garLoopResultBuilder]: For program point Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2021-10-16 03:05:06,768 INFO L857 garLoopResultBuilder]: For program point L9-1(lines 9 15) no Hoare annotation was computed. [2021-10-16 03:05:06,769 INFO L857 garLoopResultBuilder]: For program point L298-2(line 298) no Hoare annotation was computed. [2021-10-16 03:05:06,769 INFO L857 garLoopResultBuilder]: For program point L261(lines 261 269) no Hoare annotation was computed. [2021-10-16 03:05:06,769 INFO L853 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: (and (or (not (= (_ bv4 32) |Id_MCDC_95_#in~Id_MCDC_93|)) (= (_ bv4 32) Id_MCDC_95_~Id_MCDC_93)) (not (= (_ bv2 32) Id_MCDC_95_~Id_MCDC_93))) [2021-10-16 03:05:06,769 INFO L857 garLoopResultBuilder]: For program point L290-1(line 290) no Hoare annotation was computed. [2021-10-16 03:05:06,769 INFO L853 garLoopResultBuilder]: At program point L278(lines 249 279) the Hoare annotation is: (and (or (= (_ bv2 32) |Id_MCDC_95_#in~Id_MCDC_93|) (not (= (_ bv2 32) Id_MCDC_95_~Id_MCDC_93))) (or (not (= (_ bv4 32) |Id_MCDC_95_#in~Id_MCDC_93|)) (= (_ bv4 32) Id_MCDC_95_~Id_MCDC_93))) [2021-10-16 03:05:06,769 INFO L857 garLoopResultBuilder]: For program point L270-1(lines 250 279) no Hoare annotation was computed. [2021-10-16 03:05:06,770 INFO L857 garLoopResultBuilder]: For program point L270-2(lines 270 277) no Hoare annotation was computed. [2021-10-16 03:05:06,770 INFO L857 garLoopResultBuilder]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2021-10-16 03:05:06,770 INFO L857 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2021-10-16 03:05:06,770 INFO L857 garLoopResultBuilder]: For program point L234-2(line 234) no Hoare annotation was computed. [2021-10-16 03:05:06,770 INFO L857 garLoopResultBuilder]: For program point L234-3(line 234) no Hoare annotation was computed. [2021-10-16 03:05:06,770 INFO L857 garLoopResultBuilder]: For program point L234-5(lines 234 246) no Hoare annotation was computed. [2021-10-16 03:05:06,771 INFO L857 garLoopResultBuilder]: For program point L234-6(line 234) no Hoare annotation was computed. [2021-10-16 03:05:06,771 INFO L857 garLoopResultBuilder]: For program point L234-8(line 234) no Hoare annotation was computed. [2021-10-16 03:05:06,771 INFO L857 garLoopResultBuilder]: For program point L234-9(line 234) no Hoare annotation was computed. [2021-10-16 03:05:06,771 INFO L857 garLoopResultBuilder]: For program point L234-11(lines 234 246) no Hoare annotation was computed. [2021-10-16 03:05:06,771 INFO L857 garLoopResultBuilder]: For program point L234-12(line 234) no Hoare annotation was computed. [2021-10-16 03:05:06,771 INFO L857 garLoopResultBuilder]: For program point L234-14(line 234) no Hoare annotation was computed. [2021-10-16 03:05:06,771 INFO L857 garLoopResultBuilder]: For program point L234-15(line 234) no Hoare annotation was computed. [2021-10-16 03:05:06,772 INFO L857 garLoopResultBuilder]: For program point L234-17(lines 234 246) no Hoare annotation was computed. [2021-10-16 03:05:06,772 INFO L857 garLoopResultBuilder]: For program point L234-18(line 234) no Hoare annotation was computed. [2021-10-16 03:05:06,772 INFO L857 garLoopResultBuilder]: For program point L234-20(line 234) no Hoare annotation was computed. [2021-10-16 03:05:06,772 INFO L857 garLoopResultBuilder]: For program point L234-21(line 234) no Hoare annotation was computed. [2021-10-16 03:05:06,772 INFO L857 garLoopResultBuilder]: For program point L234-23(lines 234 246) no Hoare annotation was computed. [2021-10-16 03:05:06,772 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 208) no Hoare annotation was computed. [2021-10-16 03:05:06,773 INFO L857 garLoopResultBuilder]: For program point L202-2(lines 202 208) no Hoare annotation was computed. [2021-10-16 03:05:06,773 INFO L857 garLoopResultBuilder]: For program point L202-3(lines 202 208) no Hoare annotation was computed. [2021-10-16 03:05:06,773 INFO L857 garLoopResultBuilder]: For program point L202-5(lines 202 208) no Hoare annotation was computed. [2021-10-16 03:05:06,773 INFO L857 garLoopResultBuilder]: For program point L202-6(lines 202 208) no Hoare annotation was computed. [2021-10-16 03:05:06,773 INFO L857 garLoopResultBuilder]: For program point L202-8(lines 202 208) no Hoare annotation was computed. [2021-10-16 03:05:06,773 INFO L857 garLoopResultBuilder]: For program point L202-9(lines 202 208) no Hoare annotation was computed. [2021-10-16 03:05:06,773 INFO L857 garLoopResultBuilder]: For program point L202-11(lines 202 208) no Hoare annotation was computed. [2021-10-16 03:05:06,774 INFO L857 garLoopResultBuilder]: For program point L236(lines 236 241) no Hoare annotation was computed. [2021-10-16 03:05:06,774 INFO L857 garLoopResultBuilder]: For program point L236-1(lines 234 246) no Hoare annotation was computed. [2021-10-16 03:05:06,774 INFO L857 garLoopResultBuilder]: For program point L236-2(lines 236 241) no Hoare annotation was computed. [2021-10-16 03:05:06,774 INFO L857 garLoopResultBuilder]: For program point L236-3(lines 234 246) no Hoare annotation was computed. [2021-10-16 03:05:06,774 INFO L857 garLoopResultBuilder]: For program point L236-4(lines 236 241) no Hoare annotation was computed. [2021-10-16 03:05:06,774 INFO L857 garLoopResultBuilder]: For program point L236-5(lines 234 246) no Hoare annotation was computed. [2021-10-16 03:05:06,774 INFO L857 garLoopResultBuilder]: For program point L236-6(lines 236 241) no Hoare annotation was computed. [2021-10-16 03:05:06,775 INFO L857 garLoopResultBuilder]: For program point L236-7(lines 234 246) no Hoare annotation was computed. [2021-10-16 03:05:06,775 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 207) no Hoare annotation was computed. [2021-10-16 03:05:06,775 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 204 207) no Hoare annotation was computed. [2021-10-16 03:05:06,775 INFO L857 garLoopResultBuilder]: For program point L204-2(lines 204 207) no Hoare annotation was computed. [2021-10-16 03:05:06,780 INFO L857 garLoopResultBuilder]: For program point L204-3(lines 204 207) no Hoare annotation was computed. [2021-10-16 03:05:06,781 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 307) no Hoare annotation was computed. [2021-10-16 03:05:06,781 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 374) no Hoare annotation was computed. [2021-10-16 03:05:06,781 INFO L857 garLoopResultBuilder]: For program point L406-2(lines 406 416) no Hoare annotation was computed. [2021-10-16 03:05:06,781 INFO L860 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: true [2021-10-16 03:05:06,782 INFO L860 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: true [2021-10-16 03:05:06,782 INFO L857 garLoopResultBuilder]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2021-10-16 03:05:06,783 INFO L853 garLoopResultBuilder]: At program point L209(lines 209 225) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-16 03:05:06,783 INFO L853 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-16 03:05:06,783 INFO L853 garLoopResultBuilder]: At program point L209-1(lines 209 225) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-16 03:05:06,783 INFO L857 garLoopResultBuilder]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2021-10-16 03:05:06,784 INFO L853 garLoopResultBuilder]: At program point L209-2(lines 209 225) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-16 03:05:06,784 INFO L853 garLoopResultBuilder]: At program point L209-3(lines 209 225) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-16 03:05:06,784 INFO L857 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2021-10-16 03:05:06,784 INFO L857 garLoopResultBuilder]: For program point L408-2(lines 408 415) no Hoare annotation was computed. [2021-10-16 03:05:06,784 INFO L857 garLoopResultBuilder]: For program point L376-2(lines 376 393) no Hoare annotation was computed. [2021-10-16 03:05:06,785 INFO L853 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-16 03:05:06,785 INFO L857 garLoopResultBuilder]: For program point L376-4(lines 376 393) no Hoare annotation was computed. [2021-10-16 03:05:06,785 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-16 03:05:06,785 INFO L857 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-10-16 03:05:06,785 INFO L857 garLoopResultBuilder]: For program point L211-3(line 211) no Hoare annotation was computed. [2021-10-16 03:05:06,785 INFO L857 garLoopResultBuilder]: For program point L211-5(line 211) no Hoare annotation was computed. [2021-10-16 03:05:06,786 INFO L857 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-10-16 03:05:06,786 INFO L857 garLoopResultBuilder]: For program point L211-8(line 211) no Hoare annotation was computed. [2021-10-16 03:05:06,786 INFO L857 garLoopResultBuilder]: For program point L211-9(line 211) no Hoare annotation was computed. [2021-10-16 03:05:06,786 INFO L857 garLoopResultBuilder]: For program point L211-11(line 211) no Hoare annotation was computed. [2021-10-16 03:05:06,786 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 314) no Hoare annotation was computed. [2021-10-16 03:05:06,786 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-16 03:05:06,787 INFO L857 garLoopResultBuilder]: For program point L212-2(line 212) no Hoare annotation was computed. [2021-10-16 03:05:06,787 INFO L857 garLoopResultBuilder]: For program point L212-4(line 212) no Hoare annotation was computed. [2021-10-16 03:05:06,787 INFO L857 garLoopResultBuilder]: For program point L212-6(line 212) no Hoare annotation was computed. [2021-10-16 03:05:06,787 INFO L857 garLoopResultBuilder]: For program point L378(lines 378 381) no Hoare annotation was computed. [2021-10-16 03:05:06,787 INFO L853 garLoopResultBuilder]: At program point L247(lines 193 248) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-16 03:05:06,788 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-10-16 03:05:06,788 INFO L853 garLoopResultBuilder]: At program point L247-1(lines 193 248) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-16 03:05:06,788 INFO L853 garLoopResultBuilder]: At program point L247-2(lines 193 248) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-16 03:05:06,788 INFO L857 garLoopResultBuilder]: For program point L214-2(line 214) no Hoare annotation was computed. [2021-10-16 03:05:06,788 INFO L853 garLoopResultBuilder]: At program point L247-3(lines 193 248) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-16 03:05:06,789 INFO L857 garLoopResultBuilder]: For program point L214-3(line 214) no Hoare annotation was computed. [2021-10-16 03:05:06,789 INFO L857 garLoopResultBuilder]: For program point L214-5(line 214) no Hoare annotation was computed. [2021-10-16 03:05:06,789 INFO L857 garLoopResultBuilder]: For program point L214-6(line 214) no Hoare annotation was computed. [2021-10-16 03:05:06,789 INFO L857 garLoopResultBuilder]: For program point L214-8(line 214) no Hoare annotation was computed. [2021-10-16 03:05:06,789 INFO L857 garLoopResultBuilder]: For program point L214-9(line 214) no Hoare annotation was computed. [2021-10-16 03:05:06,790 INFO L857 garLoopResultBuilder]: For program point L214-11(line 214) no Hoare annotation was computed. [2021-10-16 03:05:06,790 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-16 03:05:06,790 INFO L857 garLoopResultBuilder]: For program point L215-2(line 215) no Hoare annotation was computed. [2021-10-16 03:05:06,790 INFO L857 garLoopResultBuilder]: For program point L215-4(line 215) no Hoare annotation was computed. [2021-10-16 03:05:06,790 INFO L857 garLoopResultBuilder]: For program point L215-6(line 215) no Hoare annotation was computed. [2021-10-16 03:05:06,790 INFO L857 garLoopResultBuilder]: For program point L316(line 316) no Hoare annotation was computed. [2021-10-16 03:05:06,791 INFO L857 garLoopResultBuilder]: For program point L316-2(line 316) no Hoare annotation was computed. [2021-10-16 03:05:06,791 INFO L857 garLoopResultBuilder]: For program point L217(line 217) no Hoare annotation was computed. [2021-10-16 03:05:06,791 INFO L857 garLoopResultBuilder]: For program point L316-3(line 316) no Hoare annotation was computed. [2021-10-16 03:05:06,791 INFO L857 garLoopResultBuilder]: For program point L217-2(line 217) no Hoare annotation was computed. [2021-10-16 03:05:06,791 INFO L857 garLoopResultBuilder]: For program point L316-5(lines 316 328) no Hoare annotation was computed. [2021-10-16 03:05:06,792 INFO L857 garLoopResultBuilder]: For program point L217-3(line 217) no Hoare annotation was computed. [2021-10-16 03:05:06,792 INFO L857 garLoopResultBuilder]: For program point L217-5(line 217) no Hoare annotation was computed. [2021-10-16 03:05:06,792 INFO L857 garLoopResultBuilder]: For program point L217-6(line 217) no Hoare annotation was computed. [2021-10-16 03:05:06,792 INFO L857 garLoopResultBuilder]: For program point L217-8(line 217) no Hoare annotation was computed. [2021-10-16 03:05:06,792 INFO L857 garLoopResultBuilder]: For program point L217-9(line 217) no Hoare annotation was computed. [2021-10-16 03:05:06,793 INFO L857 garLoopResultBuilder]: For program point L217-11(line 217) no Hoare annotation was computed. [2021-10-16 03:05:06,793 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 03:05:06,793 INFO L857 garLoopResultBuilder]: For program point L218(line 218) no Hoare annotation was computed. [2021-10-16 03:05:06,793 INFO L857 garLoopResultBuilder]: For program point L218-2(line 218) no Hoare annotation was computed. [2021-10-16 03:05:06,793 INFO L857 garLoopResultBuilder]: For program point L218-4(line 218) no Hoare annotation was computed. [2021-10-16 03:05:06,794 INFO L857 garLoopResultBuilder]: For program point L218-6(line 218) no Hoare annotation was computed. [2021-10-16 03:05:06,794 INFO L857 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2021-10-16 03:05:06,794 INFO L857 garLoopResultBuilder]: For program point L318(lines 318 323) no Hoare annotation was computed. [2021-10-16 03:05:06,794 INFO L857 garLoopResultBuilder]: For program point L318-1(lines 316 328) no Hoare annotation was computed. [2021-10-16 03:05:06,794 INFO L860 garLoopResultBuilder]: At program point L418(lines 427 458) the Hoare annotation is: true [2021-10-16 03:05:06,795 INFO L857 garLoopResultBuilder]: For program point L352-2(lines 352 355) no Hoare annotation was computed. [2021-10-16 03:05:06,795 INFO L853 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: (and (= ULTIMATE.start_Id_MCDC_97_~Id_MCDC_123~0 (_ bv6144 32)) (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32))) [2021-10-16 03:05:06,795 INFO L857 garLoopResultBuilder]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2021-10-16 03:05:06,795 INFO L857 garLoopResultBuilder]: For program point L220(line 220) no Hoare annotation was computed. [2021-10-16 03:05:06,795 INFO L857 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2021-10-16 03:05:06,796 INFO L857 garLoopResultBuilder]: For program point L220-3(line 220) no Hoare annotation was computed. [2021-10-16 03:05:06,796 INFO L857 garLoopResultBuilder]: For program point L220-5(line 220) no Hoare annotation was computed. [2021-10-16 03:05:06,796 INFO L857 garLoopResultBuilder]: For program point L220-6(line 220) no Hoare annotation was computed. [2021-10-16 03:05:06,796 INFO L857 garLoopResultBuilder]: For program point L220-8(line 220) no Hoare annotation was computed. [2021-10-16 03:05:06,796 INFO L857 garLoopResultBuilder]: For program point L220-9(line 220) no Hoare annotation was computed. [2021-10-16 03:05:06,796 INFO L857 garLoopResultBuilder]: For program point L220-11(line 220) no Hoare annotation was computed. [2021-10-16 03:05:06,797 INFO L857 garLoopResultBuilder]: For program point L452(lines 452 455) no Hoare annotation was computed. [2021-10-16 03:05:06,797 INFO L857 garLoopResultBuilder]: For program point L221(line 221) no Hoare annotation was computed. [2021-10-16 03:05:06,797 INFO L857 garLoopResultBuilder]: For program point L221-2(line 221) no Hoare annotation was computed. [2021-10-16 03:05:06,797 INFO L857 garLoopResultBuilder]: For program point L221-4(line 221) no Hoare annotation was computed. [2021-10-16 03:05:06,797 INFO L857 garLoopResultBuilder]: For program point L221-6(line 221) no Hoare annotation was computed. [2021-10-16 03:05:06,798 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 03:05:06,798 INFO L857 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-10-16 03:05:06,798 INFO L857 garLoopResultBuilder]: For program point L223-2(line 223) no Hoare annotation was computed. [2021-10-16 03:05:06,798 INFO L857 garLoopResultBuilder]: For program point L223-4(line 223) no Hoare annotation was computed. [2021-10-16 03:05:06,798 INFO L857 garLoopResultBuilder]: For program point L223-6(line 223) no Hoare annotation was computed. [2021-10-16 03:05:06,798 INFO L857 garLoopResultBuilder]: For program point L389(lines 389 392) no Hoare annotation was computed. [2021-10-16 03:05:06,799 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 397) no Hoare annotation was computed. [2021-10-16 03:05:06,800 INFO L857 garLoopResultBuilder]: For program point L358-2(lines 358 396) no Hoare annotation was computed. [2021-10-16 03:05:06,800 INFO L853 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-16 03:05:06,800 INFO L857 garLoopResultBuilder]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2021-10-16 03:05:06,800 INFO L853 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-16 03:05:06,801 INFO L857 garLoopResultBuilder]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2021-10-16 03:05:06,801 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 03:05:06,801 INFO L857 garLoopResultBuilder]: For program point L226-6(lines 226 233) no Hoare annotation was computed. [2021-10-16 03:05:06,801 INFO L853 garLoopResultBuilder]: At program point L226-8(lines 226 233) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-16 03:05:06,801 INFO L857 garLoopResultBuilder]: For program point L226-9(lines 226 233) no Hoare annotation was computed. [2021-10-16 03:05:06,801 INFO L857 garLoopResultBuilder]: For program point L226-11(lines 226 233) no Hoare annotation was computed. [2021-10-16 03:05:06,802 INFO L853 garLoopResultBuilder]: At program point L226-13(lines 226 233) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-16 03:05:06,802 INFO L857 garLoopResultBuilder]: For program point L226-14(lines 226 233) no Hoare annotation was computed. [2021-10-16 03:05:06,802 INFO L857 garLoopResultBuilder]: For program point L226-16(lines 226 233) no Hoare annotation was computed. [2021-10-16 03:05:06,802 INFO L853 garLoopResultBuilder]: At program point L226-18(lines 226 233) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-16 03:05:06,802 INFO L857 garLoopResultBuilder]: For program point L226-19(lines 226 233) no Hoare annotation was computed. [2021-10-16 03:05:06,803 INFO L857 garLoopResultBuilder]: For program point L361(lines 361 364) no Hoare annotation was computed. [2021-10-16 03:05:06,803 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2021-10-16 03:05:06,803 INFO L857 garLoopResultBuilder]: For program point L229-1(lines 229 232) no Hoare annotation was computed. [2021-10-16 03:05:06,803 INFO L857 garLoopResultBuilder]: For program point L229-2(lines 229 232) no Hoare annotation was computed. [2021-10-16 03:05:06,803 INFO L857 garLoopResultBuilder]: For program point L229-3(lines 229 232) no Hoare annotation was computed. [2021-10-16 03:05:06,804 INFO L853 garLoopResultBuilder]: At program point L329(lines 300 330) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-16 03:05:06,804 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 03:05:06,804 INFO L857 garLoopResultBuilder]: For program point L198(lines 198 201) no Hoare annotation was computed. [2021-10-16 03:05:06,804 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 198 201) no Hoare annotation was computed. [2021-10-16 03:05:06,805 INFO L857 garLoopResultBuilder]: For program point L198-2(lines 198 201) no Hoare annotation was computed. [2021-10-16 03:05:06,805 INFO L857 garLoopResultBuilder]: For program point L198-3(lines 198 201) no Hoare annotation was computed. [2021-10-16 03:05:06,805 INFO L853 garLoopResultBuilder]: At program point L398(lines 331 399) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0 (_ bv0 32)) [2021-10-16 03:05:06,806 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 368) no Hoare annotation was computed. [2021-10-16 03:05:06,812 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 03:05:06,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 03:05:06 BoogieIcfgContainer [2021-10-16 03:05:06,847 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 03:05:06,848 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 03:05:06,848 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 03:05:06,848 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 03:05:06,849 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:04:55" (3/4) ... [2021-10-16 03:05:06,852 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 03:05:06,862 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_95 [2021-10-16 03:05:06,890 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2021-10-16 03:05:06,893 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-10-16 03:05:06,895 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-16 03:05:06,897 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-16 03:05:06,899 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 03:05:06,901 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 03:05:06,946 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (2bv32 == \old(Id_MCDC_93) || !(2bv32 == Id_MCDC_93)) && (!(4bv32 == \old(Id_MCDC_93)) || 4bv32 == Id_MCDC_93) [2021-10-16 03:05:06,950 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2bv32 == \old(Id_MCDC_93) || !(2bv32 == Id_MCDC_93)) && Id_MCDC_103 == 1bv32) && aux-( long long ) ((Id_MCDC_94[0] * Id_MCDC_122) / Id_MCDC_121) >= 0 && ( long long ) ((Id_MCDC_94[0] * Id_MCDC_122) / Id_MCDC_121) <= 4294967295-aux [2021-10-16 03:05:07,116 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 03:05:07,116 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 03:05:07,118 INFO L168 Benchmark]: Toolchain (without parser) took 14345.64 ms. Allocated memory was 71.3 MB in the beginning and 119.5 MB in the end (delta: 48.2 MB). Free memory was 51.6 MB in the beginning and 31.0 MB in the end (delta: 20.5 MB). Peak memory consumption was 67.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:05:07,119 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 71.3 MB. Free memory was 52.1 MB in the beginning and 52.0 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:05:07,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.28 ms. Allocated memory is still 71.3 MB. Free memory was 51.4 MB in the beginning and 40.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 03:05:07,121 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.74 ms. Allocated memory is still 71.3 MB. Free memory was 40.9 MB in the beginning and 36.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:05:07,121 INFO L168 Benchmark]: Boogie Preprocessor took 94.07 ms. Allocated memory is still 71.3 MB. Free memory was 36.2 MB in the beginning and 31.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-16 03:05:07,128 INFO L168 Benchmark]: RCFGBuilder took 1948.51 ms. Allocated memory was 71.3 MB in the beginning and 90.2 MB in the end (delta: 18.9 MB). Free memory was 31.2 MB in the beginning and 44.6 MB in the end (delta: -13.4 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. [2021-10-16 03:05:07,129 INFO L168 Benchmark]: TraceAbstraction took 11260.41 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 43.9 MB in the beginning and 48.9 MB in the end (delta: -5.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. [2021-10-16 03:05:07,130 INFO L168 Benchmark]: Witness Printer took 268.70 ms. Allocated memory is still 119.5 MB. Free memory was 48.9 MB in the beginning and 31.0 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-16 03:05:07,133 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 71.3 MB. Free memory was 52.1 MB in the beginning and 52.0 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 669.28 ms. Allocated memory is still 71.3 MB. Free memory was 51.4 MB in the beginning and 40.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.74 ms. Allocated memory is still 71.3 MB. Free memory was 40.9 MB in the beginning and 36.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 94.07 ms. Allocated memory is still 71.3 MB. Free memory was 36.2 MB in the beginning and 31.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1948.51 ms. Allocated memory was 71.3 MB in the beginning and 90.2 MB in the end (delta: 18.9 MB). Free memory was 31.2 MB in the beginning and 44.6 MB in the end (delta: -13.4 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11260.41 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 43.9 MB in the beginning and 48.9 MB in the end (delta: -5.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. * Witness Printer took 268.70 ms. Allocated memory is still 119.5 MB. Free memory was 48.9 MB in the beginning and 31.0 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 463]: 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, 178 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11152.2ms, OverallIterations: 6, TraceHistogramMax: 2, EmptinessCheckTime: 37.3ms, AutomataDifference: 808.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 378.1ms, InitialAbstractionConstructionTime: 20.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1768 SDtfs, 1189 SDslu, 2172 SDs, 0 SdLazy, 62 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 381.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 655 GetRequests, 615 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 409.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=217occurred in iteration=5, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 170.8ms AutomataMinimizationTime, 6 MinimizatonAttempts, 383 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 25 LocationsWithAnnotation, 85 PreInvPairs, 122 NumberOfFragments, 105 HoareAnnotationTreeSize, 85 FomulaSimplifications, 22 FormulaSimplificationTreeSizeReduction, 202.8ms HoareSimplificationTime, 25 FomulaSimplificationsInter, 35 FormulaSimplificationTreeSizeReductionInter, 162.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 377.2ms SsaConstructionTime, 1885.3ms SatisfiabilityAnalysisTime, 3072.8ms InterpolantComputationTime, 337 NumberOfCodeBlocks, 337 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 652 ConstructedInterpolants, 0 QuantifiedInterpolants, 870 SizeOfPredicates, 16 NumberOfNonLiveVariables, 2740 ConjunctsInSsa, 34 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: 300]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (2bv32 == \old(Id_MCDC_93) || !(2bv32 == Id_MCDC_93)) && (!(4bv32 == \old(Id_MCDC_93)) || 4bv32 == Id_MCDC_93) - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: Id_MCDC_123 == 6144bv32 && Id_MCDC_140 == 0bv32 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 459]: Loop Invariant Derived loop invariant: ((2bv32 == \old(Id_MCDC_93) || !(2bv32 == Id_MCDC_93)) && Id_MCDC_103 == 1bv32) && aux-( long long ) ((Id_MCDC_94[0] * Id_MCDC_122) / Id_MCDC_121) >= 0 && ( long long ) ((Id_MCDC_94[0] * Id_MCDC_122) / Id_MCDC_121) <= 4294967295-aux RESULT: Ultimate proved your program to be correct! [2021-10-16 03:05:07,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3397a914-f2d9-4892-8534-e9132d8ad825/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...