./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product41.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 64b6967f526946e3373ac9378676a7e29d538a50 ............................................................................................................................................ 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_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product41.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 64b6967f526946e3373ac9378676a7e29d538a50 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:21:51,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:21:51,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:21:51,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:21:51,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:21:51,481 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:21:51,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:21:51,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:21:51,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:21:51,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:21:51,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:21:51,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:21:51,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:21:51,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:21:51,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:21:51,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:21:51,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:21:51,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:21:51,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:21:51,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:21:51,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:21:51,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:21:51,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:21:51,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:21:51,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:21:51,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:21:51,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:21:51,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:21:51,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:21:51,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:21:51,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:21:51,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:21:51,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:21:51,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:21:51,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:21:51,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:21:51,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:21:51,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:21:51,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:21:51,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:21:51,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:21:51,541 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:21:51,568 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:21:51,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:21:51,569 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:21:51,569 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:21:51,570 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:21:51,570 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:21:51,570 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:21:51,570 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:21:51,570 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:21:51,571 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:21:51,571 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:21:51,571 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:21:51,571 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:21:51,572 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:21:51,572 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:21:51,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:21:51,573 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:21:51,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:21:51,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:21:51,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:21:51,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:21:51,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:21:51,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:21:51,575 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:21:51,575 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:21:51,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:21:51,575 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:21:51,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:21:51,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:21:51,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:21:51,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:21:51,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:21:51,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:21:51,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:21:51,577 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:21:51,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:21:51,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:21:51,578 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:21:51,578 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:21:51,579 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_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64b6967f526946e3373ac9378676a7e29d538a50 [2021-10-11 02:21:51,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:21:51,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:21:51,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:21:51,886 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:21:51,887 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:21:51,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product41.cil.c [2021-10-11 02:21:51,950 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/data/0e0a36e0f/e3993e689f2d48fd9bbad46fab5b577a/FLAG506344ce1 [2021-10-11 02:21:52,485 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:21:52,486 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/sv-benchmarks/c/product-lines/minepump_spec2_product41.cil.c [2021-10-11 02:21:52,500 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/data/0e0a36e0f/e3993e689f2d48fd9bbad46fab5b577a/FLAG506344ce1 [2021-10-11 02:21:52,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/data/0e0a36e0f/e3993e689f2d48fd9bbad46fab5b577a [2021-10-11 02:21:52,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:21:52,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:21:52,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:52,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:21:52,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:21:52,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:52" (1/1) ... [2021-10-11 02:21:52,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70ca0058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:52, skipping insertion in model container [2021-10-11 02:21:52,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:52" (1/1) ... [2021-10-11 02:21:52,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:21:52,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:21:53,218 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/sv-benchmarks/c/product-lines/minepump_spec2_product41.cil.c[16717,16730] [2021-10-11 02:21:53,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:53,267 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:21:53,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@35276471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:53, skipping insertion in model container [2021-10-11 02:21:53,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:53,270 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:21:53,273 INFO L168 Benchmark]: Toolchain (without parser) took 495.03 ms. Allocated memory is still 94.4 MB. Free memory was 56.5 MB in the beginning and 66.1 MB in the end (delta: -9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:53,274 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 94.4 MB. Free memory is still 73.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:21:53,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 486.56 ms. Allocated memory is still 94.4 MB. Free memory was 56.2 MB in the beginning and 66.1 MB in the end (delta: -9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:53,279 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 94.4 MB. Free memory is still 73.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 486.56 ms. Allocated memory is still 94.4 MB. Free memory was 56.2 MB in the beginning and 66.1 MB in the end (delta: -9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 112]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:21:55,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:21:55,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:21:55,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:21:55,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:21:55,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:21:55,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:21:55,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:21:55,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:21:55,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:21:55,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:21:55,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:21:55,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:21:55,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:21:55,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:21:55,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:21:55,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:21:55,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:21:55,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:21:55,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:21:55,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:21:55,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:21:55,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:21:55,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:21:55,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:21:55,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:21:55,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:21:55,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:21:55,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:21:55,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:21:55,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:21:55,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:21:55,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:21:55,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:21:55,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:21:55,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:21:55,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:21:55,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:21:55,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:21:55,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:21:55,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:21:55,710 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:21:55,756 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:21:55,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:21:55,757 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:21:55,758 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:21:55,758 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:21:55,758 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:21:55,758 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:21:55,759 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:21:55,759 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:21:55,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:21:55,761 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:21:55,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:21:55,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:21:55,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:21:55,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:21:55,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:21:55,763 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:21:55,763 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:21:55,763 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:21:55,763 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:21:55,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:21:55,764 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:21:55,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:21:55,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:21:55,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:21:55,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:21:55,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:21:55,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:21:55,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:21:55,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:21:55,766 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:21:55,766 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:21:55,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:21:55,767 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:21:55,767 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:21:55,767 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_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64b6967f526946e3373ac9378676a7e29d538a50 [2021-10-11 02:21:56,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:21:56,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:21:56,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:21:56,213 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:21:56,214 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:21:56,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product41.cil.c [2021-10-11 02:21:56,296 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/data/d59e65ec4/4a9ab60f94ff456a952a7f5029506989/FLAG392fbe124 [2021-10-11 02:21:56,816 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:21:56,816 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/sv-benchmarks/c/product-lines/minepump_spec2_product41.cil.c [2021-10-11 02:21:56,830 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/data/d59e65ec4/4a9ab60f94ff456a952a7f5029506989/FLAG392fbe124 [2021-10-11 02:21:57,147 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/data/d59e65ec4/4a9ab60f94ff456a952a7f5029506989 [2021-10-11 02:21:57,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:21:57,152 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:21:57,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:57,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:21:57,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:21:57,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:57" (1/1) ... [2021-10-11 02:21:57,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49574985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:57, skipping insertion in model container [2021-10-11 02:21:57,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:57" (1/1) ... [2021-10-11 02:21:57,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:21:57,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:21:57,684 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/sv-benchmarks/c/product-lines/minepump_spec2_product41.cil.c[16717,16730] [2021-10-11 02:21:57,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:57,720 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:21:57,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:21:57,821 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/sv-benchmarks/c/product-lines/minepump_spec2_product41.cil.c[16717,16730] [2021-10-11 02:21:57,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:57,837 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:21:57,935 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/sv-benchmarks/c/product-lines/minepump_spec2_product41.cil.c[16717,16730] [2021-10-11 02:21:57,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:57,978 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:21:57,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:57 WrapperNode [2021-10-11 02:21:57,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:57,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:21:57,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:21:57,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:21:57,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:57" (1/1) ... [2021-10-11 02:21:58,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:57" (1/1) ... [2021-10-11 02:21:58,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:21:58,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:21:58,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:21:58,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:21:58,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:57" (1/1) ... [2021-10-11 02:21:58,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:57" (1/1) ... [2021-10-11 02:21:58,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:57" (1/1) ... [2021-10-11 02:21:58,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:57" (1/1) ... [2021-10-11 02:21:58,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:57" (1/1) ... [2021-10-11 02:21:58,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:57" (1/1) ... [2021-10-11 02:21:58,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:57" (1/1) ... [2021-10-11 02:21:58,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:21:58,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:21:58,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:21:58,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:21:58,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:57" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:21:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:21:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:21:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:21:58,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:22:00,516 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:22:00,517 INFO L299 CfgBuilder]: Removed 116 assume(true) statements. [2021-10-11 02:22:00,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:00 BoogieIcfgContainer [2021-10-11 02:22:00,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:22:00,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:22:00,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:22:00,524 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:22:00,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:21:57" (1/3) ... [2021-10-11 02:22:00,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42669692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:00, skipping insertion in model container [2021-10-11 02:22:00,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:57" (2/3) ... [2021-10-11 02:22:00,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42669692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:00, skipping insertion in model container [2021-10-11 02:22:00,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:00" (3/3) ... [2021-10-11 02:22:00,528 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product41.cil.c [2021-10-11 02:22:00,543 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:22:00,547 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:22:00,559 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:22:00,585 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:22:00,586 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:22:00,586 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:22:00,586 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:22:00,586 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:22:00,587 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:22:00,587 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:22:00,587 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:22:00,604 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states. [2021-10-11 02:22:00,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:22:00,611 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:00,612 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:00,612 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:00,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:00,619 INFO L82 PathProgramCache]: Analyzing trace with hash -466361678, now seen corresponding path program 1 times [2021-10-11 02:22:00,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:00,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [955510106] [2021-10-11 02:22:00,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:00,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:22:00,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:00,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:00,998 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:00,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [955510106] [2021-10-11 02:22:00,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:01,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:01,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814787992] [2021-10-11 02:22:01,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:22:01,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:01,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:22:01,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:22:01,027 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 2 states. [2021-10-11 02:22:01,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:01,085 INFO L93 Difference]: Finished difference Result 175 states and 264 transitions. [2021-10-11 02:22:01,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:22:01,086 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:22:01,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:01,103 INFO L225 Difference]: With dead ends: 175 [2021-10-11 02:22:01,103 INFO L226 Difference]: Without dead ends: 87 [2021-10-11 02:22:01,107 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:22:01,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-10-11 02:22:01,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-10-11 02:22:01,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2021-10-11 02:22:01,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 124 transitions. [2021-10-11 02:22:01,167 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 124 transitions. Word has length 18 [2021-10-11 02:22:01,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:01,168 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 124 transitions. [2021-10-11 02:22:01,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:22:01,169 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 124 transitions. [2021-10-11 02:22:01,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:22:01,170 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:01,170 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:01,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:22:01,390 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:01,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:01,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1078824867, now seen corresponding path program 1 times [2021-10-11 02:22:01,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:01,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1637517913] [2021-10-11 02:22:01,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:01,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:01,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:01,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:01,690 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:01,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1637517913] [2021-10-11 02:22:01,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:01,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:22:01,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496526679] [2021-10-11 02:22:01,692 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:01,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:01,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:01,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:01,693 INFO L87 Difference]: Start difference. First operand 87 states and 124 transitions. Second operand 3 states. [2021-10-11 02:22:01,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:01,705 INFO L93 Difference]: Finished difference Result 87 states and 124 transitions. [2021-10-11 02:22:01,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:01,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:22:01,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:01,721 INFO L225 Difference]: With dead ends: 87 [2021-10-11 02:22:01,722 INFO L226 Difference]: Without dead ends: 39 [2021-10-11 02:22:01,723 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:01,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-10-11 02:22:01,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-10-11 02:22:01,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-10-11 02:22:01,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2021-10-11 02:22:01,729 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 19 [2021-10-11 02:22:01,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:01,729 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2021-10-11 02:22:01,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:01,729 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-10-11 02:22:01,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:22:01,731 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:01,731 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:01,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:22:01,952 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:01,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:01,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1959799754, now seen corresponding path program 1 times [2021-10-11 02:22:01,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:01,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1050540634] [2021-10-11 02:22:01,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:02,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:02,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:02,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:02,174 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:02,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1050540634] [2021-10-11 02:22:02,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:02,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:02,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654084985] [2021-10-11 02:22:02,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:02,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:02,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:02,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:02,177 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand 3 states. [2021-10-11 02:22:02,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:02,186 INFO L93 Difference]: Finished difference Result 71 states and 103 transitions. [2021-10-11 02:22:02,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:02,186 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:22:02,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:02,188 INFO L225 Difference]: With dead ends: 71 [2021-10-11 02:22:02,188 INFO L226 Difference]: Without dead ends: 39 [2021-10-11 02:22:02,188 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:02,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-10-11 02:22:02,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-10-11 02:22:02,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-10-11 02:22:02,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2021-10-11 02:22:02,195 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 24 [2021-10-11 02:22:02,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:02,195 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2021-10-11 02:22:02,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:02,195 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2021-10-11 02:22:02,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:22:02,197 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:02,197 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:02,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:22:02,416 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:02,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:02,417 INFO L82 PathProgramCache]: Analyzing trace with hash -2070782503, now seen corresponding path program 1 times [2021-10-11 02:22:02,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:02,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1109656549] [2021-10-11 02:22:02,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:02,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:02,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:02,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:02,674 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:02,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1109656549] [2021-10-11 02:22:02,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:02,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:22:02,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174383881] [2021-10-11 02:22:02,675 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:02,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:02,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:02,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:02,676 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand 3 states. [2021-10-11 02:22:02,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:02,726 INFO L93 Difference]: Finished difference Result 93 states and 133 transitions. [2021-10-11 02:22:02,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:02,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2021-10-11 02:22:02,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:02,728 INFO L225 Difference]: With dead ends: 93 [2021-10-11 02:22:02,728 INFO L226 Difference]: Without dead ends: 61 [2021-10-11 02:22:02,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:02,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-10-11 02:22:02,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 59. [2021-10-11 02:22:02,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2021-10-11 02:22:02,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 83 transitions. [2021-10-11 02:22:02,738 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 83 transitions. Word has length 25 [2021-10-11 02:22:02,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:02,738 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 83 transitions. [2021-10-11 02:22:02,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:02,738 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 83 transitions. [2021-10-11 02:22:02,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:22:02,739 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:02,740 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:02,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:22:02,963 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:02,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:02,964 INFO L82 PathProgramCache]: Analyzing trace with hash -576163675, now seen corresponding path program 1 times [2021-10-11 02:22:02,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:02,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [508155322] [2021-10-11 02:22:02,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:03,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:22:03,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:03,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:03,236 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:03,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [508155322] [2021-10-11 02:22:03,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:03,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:22:03,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234392896] [2021-10-11 02:22:03,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:22:03,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:03,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:22:03,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:22:03,239 INFO L87 Difference]: Start difference. First operand 59 states and 83 transitions. Second operand 5 states. [2021-10-11 02:22:03,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:03,373 INFO L93 Difference]: Finished difference Result 271 states and 394 transitions. [2021-10-11 02:22:03,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:22:03,373 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-10-11 02:22:03,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:03,375 INFO L225 Difference]: With dead ends: 271 [2021-10-11 02:22:03,380 INFO L226 Difference]: Without dead ends: 219 [2021-10-11 02:22:03,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:22:03,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2021-10-11 02:22:03,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 103. [2021-10-11 02:22:03,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2021-10-11 02:22:03,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 144 transitions. [2021-10-11 02:22:03,415 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 144 transitions. Word has length 31 [2021-10-11 02:22:03,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:03,415 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 144 transitions. [2021-10-11 02:22:03,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:22:03,416 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 144 transitions. [2021-10-11 02:22:03,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:22:03,421 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:03,422 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:03,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:22:03,638 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:03,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:03,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1086399261, now seen corresponding path program 1 times [2021-10-11 02:22:03,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:03,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [394436961] [2021-10-11 02:22:03,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:03,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:22:03,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:03,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:03,892 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:03,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [394436961] [2021-10-11 02:22:03,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:03,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:22:03,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047414146] [2021-10-11 02:22:03,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:22:03,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:03,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:22:03,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:22:03,894 INFO L87 Difference]: Start difference. First operand 103 states and 144 transitions. Second operand 5 states. [2021-10-11 02:22:04,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:04,049 INFO L93 Difference]: Finished difference Result 376 states and 533 transitions. [2021-10-11 02:22:04,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:22:04,049 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-10-11 02:22:04,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:04,051 INFO L225 Difference]: With dead ends: 376 [2021-10-11 02:22:04,052 INFO L226 Difference]: Without dead ends: 280 [2021-10-11 02:22:04,052 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:22:04,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2021-10-11 02:22:04,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 102. [2021-10-11 02:22:04,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2021-10-11 02:22:04,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 141 transitions. [2021-10-11 02:22:04,068 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 141 transitions. Word has length 32 [2021-10-11 02:22:04,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:04,068 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 141 transitions. [2021-10-11 02:22:04,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:22:04,069 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 141 transitions. [2021-10-11 02:22:04,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-11 02:22:04,070 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:04,070 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:04,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:22:04,292 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:04,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:04,292 INFO L82 PathProgramCache]: Analyzing trace with hash 477559900, now seen corresponding path program 1 times [2021-10-11 02:22:04,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:04,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1523075771] [2021-10-11 02:22:04,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:04,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:22:04,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:04,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:04,547 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:04,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1523075771] [2021-10-11 02:22:04,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:04,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:22:04,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108522508] [2021-10-11 02:22:04,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:22:04,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:04,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:22:04,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:22:04,549 INFO L87 Difference]: Start difference. First operand 102 states and 141 transitions. Second operand 5 states. [2021-10-11 02:22:04,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:04,617 INFO L93 Difference]: Finished difference Result 273 states and 377 transitions. [2021-10-11 02:22:04,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:22:04,618 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2021-10-11 02:22:04,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:04,619 INFO L225 Difference]: With dead ends: 273 [2021-10-11 02:22:04,619 INFO L226 Difference]: Without dead ends: 178 [2021-10-11 02:22:04,620 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:22:04,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2021-10-11 02:22:04,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 108. [2021-10-11 02:22:04,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2021-10-11 02:22:04,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 147 transitions. [2021-10-11 02:22:04,635 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 147 transitions. Word has length 35 [2021-10-11 02:22:04,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:04,635 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 147 transitions. [2021-10-11 02:22:04,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:22:04,635 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 147 transitions. [2021-10-11 02:22:04,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-11 02:22:04,636 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:04,637 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:04,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:22:04,859 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:04,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:04,860 INFO L82 PathProgramCache]: Analyzing trace with hash -533557350, now seen corresponding path program 1 times [2021-10-11 02:22:04,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:04,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2035026533] [2021-10-11 02:22:04,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:05,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:22:05,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:05,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:05,124 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:05,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2035026533] [2021-10-11 02:22:05,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:05,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:22:05,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292458341] [2021-10-11 02:22:05,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:22:05,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:05,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:22:05,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:22:05,127 INFO L87 Difference]: Start difference. First operand 108 states and 147 transitions. Second operand 4 states. [2021-10-11 02:22:05,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:05,174 INFO L93 Difference]: Finished difference Result 255 states and 347 transitions. [2021-10-11 02:22:05,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:22:05,175 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2021-10-11 02:22:05,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:05,180 INFO L225 Difference]: With dead ends: 255 [2021-10-11 02:22:05,180 INFO L226 Difference]: Without dead ends: 154 [2021-10-11 02:22:05,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:22:05,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-10-11 02:22:05,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 112. [2021-10-11 02:22:05,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2021-10-11 02:22:05,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 151 transitions. [2021-10-11 02:22:05,200 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 151 transitions. Word has length 35 [2021-10-11 02:22:05,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:05,200 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 151 transitions. [2021-10-11 02:22:05,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:22:05,200 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 151 transitions. [2021-10-11 02:22:05,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-11 02:22:05,202 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:05,203 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:05,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:22:05,419 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:05,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:05,420 INFO L82 PathProgramCache]: Analyzing trace with hash -1554625704, now seen corresponding path program 1 times [2021-10-11 02:22:05,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:05,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035372167] [2021-10-11 02:22:05,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:05,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:05,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:05,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:05,650 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:05,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1035372167] [2021-10-11 02:22:05,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:05,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:05,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674427359] [2021-10-11 02:22:05,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:05,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:05,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:05,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:05,653 INFO L87 Difference]: Start difference. First operand 112 states and 151 transitions. Second operand 3 states. [2021-10-11 02:22:05,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:05,688 INFO L93 Difference]: Finished difference Result 265 states and 357 transitions. [2021-10-11 02:22:05,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:05,689 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2021-10-11 02:22:05,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:05,690 INFO L225 Difference]: With dead ends: 265 [2021-10-11 02:22:05,690 INFO L226 Difference]: Without dead ends: 160 [2021-10-11 02:22:05,691 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:05,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-10-11 02:22:05,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2021-10-11 02:22:05,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2021-10-11 02:22:05,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 209 transitions. [2021-10-11 02:22:05,710 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 209 transitions. Word has length 35 [2021-10-11 02:22:05,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:05,710 INFO L481 AbstractCegarLoop]: Abstraction has 160 states and 209 transitions. [2021-10-11 02:22:05,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:05,710 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 209 transitions. [2021-10-11 02:22:05,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 02:22:05,711 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:05,711 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:05,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:22:05,931 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:05,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:05,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1879284200, now seen corresponding path program 1 times [2021-10-11 02:22:05,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:05,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1817535985] [2021-10-11 02:22:05,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:06,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:22:06,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:06,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:06,156 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:06,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1817535985] [2021-10-11 02:22:06,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:06,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:22:06,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684534827] [2021-10-11 02:22:06,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:22:06,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:06,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:22:06,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:22:06,160 INFO L87 Difference]: Start difference. First operand 160 states and 209 transitions. Second operand 6 states. [2021-10-11 02:22:07,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:07,925 INFO L93 Difference]: Finished difference Result 485 states and 635 transitions. [2021-10-11 02:22:07,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-11 02:22:07,925 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2021-10-11 02:22:07,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:07,927 INFO L225 Difference]: With dead ends: 485 [2021-10-11 02:22:07,927 INFO L226 Difference]: Without dead ends: 332 [2021-10-11 02:22:07,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:22:07,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-10-11 02:22:07,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 160. [2021-10-11 02:22:07,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2021-10-11 02:22:07,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 205 transitions. [2021-10-11 02:22:07,953 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 205 transitions. Word has length 36 [2021-10-11 02:22:07,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:07,954 INFO L481 AbstractCegarLoop]: Abstraction has 160 states and 205 transitions. [2021-10-11 02:22:07,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:22:07,954 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 205 transitions. [2021-10-11 02:22:07,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-11 02:22:07,955 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:07,955 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:08,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:22:08,174 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:08,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:08,175 INFO L82 PathProgramCache]: Analyzing trace with hash 749013372, now seen corresponding path program 1 times [2021-10-11 02:22:08,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:08,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1796278523] [2021-10-11 02:22:08,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:08,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:08,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:08,416 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:08,417 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:08,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1796278523] [2021-10-11 02:22:08,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:08,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:22:08,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822438365] [2021-10-11 02:22:08,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:08,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:08,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:08,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:08,419 INFO L87 Difference]: Start difference. First operand 160 states and 205 transitions. Second operand 3 states. [2021-10-11 02:22:08,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:08,480 INFO L93 Difference]: Finished difference Result 233 states and 301 transitions. [2021-10-11 02:22:08,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:08,480 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2021-10-11 02:22:08,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:08,482 INFO L225 Difference]: With dead ends: 233 [2021-10-11 02:22:08,482 INFO L226 Difference]: Without dead ends: 231 [2021-10-11 02:22:08,482 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:08,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-10-11 02:22:08,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 180. [2021-10-11 02:22:08,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2021-10-11 02:22:08,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 235 transitions. [2021-10-11 02:22:08,505 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 235 transitions. Word has length 51 [2021-10-11 02:22:08,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:08,505 INFO L481 AbstractCegarLoop]: Abstraction has 180 states and 235 transitions. [2021-10-11 02:22:08,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:08,505 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 235 transitions. [2021-10-11 02:22:08,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-10-11 02:22:08,506 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:08,506 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:08,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2021-10-11 02:22:08,722 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:08,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:08,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1849817445, now seen corresponding path program 1 times [2021-10-11 02:22:08,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:08,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [82484886] [2021-10-11 02:22:08,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:22:10,642 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:22:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:22:12,090 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:22:12,412 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:22:12,413 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:22:12,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2021-10-11 02:22:12,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:22:12 BoogieIcfgContainer [2021-10-11 02:22:12,799 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:22:12,799 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:22:12,799 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:22:12,799 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:22:12,800 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:00" (3/4) ... [2021-10-11 02:22:12,802 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:22:12,977 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8952de06-43b2-4488-96bb-6100d0cf2a26/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:22:12,977 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:22:12,979 INFO L168 Benchmark]: Toolchain (without parser) took 15826.05 ms. Allocated memory was 92.3 MB in the beginning and 123.7 MB in the end (delta: 31.5 MB). Free memory was 57.2 MB in the beginning and 87.5 MB in the end (delta: -30.3 MB). Peak memory consumption was 61.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:12,979 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory is still 74.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:12,980 INFO L168 Benchmark]: CACSL2BoogieTranslator took 822.63 ms. Allocated memory is still 92.3 MB. Free memory was 57.0 MB in the beginning and 59.7 MB in the end (delta: -2.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:12,980 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.11 ms. Allocated memory is still 92.3 MB. Free memory was 59.7 MB in the beginning and 56.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:12,980 INFO L168 Benchmark]: Boogie Preprocessor took 43.11 ms. Allocated memory is still 92.3 MB. Free memory was 56.5 MB in the beginning and 54.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:12,981 INFO L168 Benchmark]: RCFGBuilder took 2416.19 ms. Allocated memory was 92.3 MB in the beginning and 123.7 MB in the end (delta: 31.5 MB). Free memory was 54.0 MB in the beginning and 93.4 MB in the end (delta: -39.5 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:12,981 INFO L168 Benchmark]: TraceAbstraction took 12277.59 ms. Allocated memory is still 123.7 MB. Free memory was 93.4 MB in the beginning and 50.1 MB in the end (delta: 43.3 MB). Peak memory consumption was 43.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:12,982 INFO L168 Benchmark]: Witness Printer took 178.19 ms. Allocated memory is still 123.7 MB. Free memory was 50.1 MB in the beginning and 87.5 MB in the end (delta: -37.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:12,984 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory is still 74.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 822.63 ms. Allocated memory is still 92.3 MB. Free memory was 57.0 MB in the beginning and 59.7 MB in the end (delta: -2.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.11 ms. Allocated memory is still 92.3 MB. Free memory was 59.7 MB in the beginning and 56.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.11 ms. Allocated memory is still 92.3 MB. Free memory was 56.5 MB in the beginning and 54.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2416.19 ms. Allocated memory was 92.3 MB in the beginning and 123.7 MB in the end (delta: 31.5 MB). Free memory was 54.0 MB in the beginning and 93.4 MB in the end (delta: -39.5 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12277.59 ms. Allocated memory is still 123.7 MB. Free memory was 93.4 MB in the beginning and 50.1 MB in the end (delta: 43.3 MB). Peak memory consumption was 43.7 MB. Max. memory is 16.1 GB. * Witness Printer took 178.19 ms. Allocated memory is still 123.7 MB. Free memory was 50.1 MB in the beginning and 87.5 MB in the end (delta: -37.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 832]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L45] int methAndRunningLastTime ; [L253] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L457] int pumpRunning = 0; [L458] int systemActive = 1; [L630] int waterLevel = 1; [L631] int methaneLevelCritical = 0; [L837] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L911] int retValue_acc ; [L912] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L819] int retValue_acc ; [L822] retValue_acc = 1 [L823] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L918] tmp = valid_product() [L920] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L50] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L726] int splverifierCounter ; [L727] int tmp ; [L728] int tmp___0 ; [L729] int tmp___1 ; [L730] int tmp___2 ; [L733] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L735] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L737] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L743] tmp = __VERIFIER_nondet_int() [L745] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L648] COND TRUE waterLevel < 2 [L649] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L753] tmp___0 = __VERIFIER_nondet_int() [L755] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L763] tmp___2 = __VERIFIER_nondet_int() [L765] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L464] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L471] COND TRUE \read(systemActive) [L493] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L496] COND TRUE ! pumpRunning [L608] int retValue_acc ; [L609] int tmp ; [L610] int tmp___0 ; [L710] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L713] COND FALSE !(waterLevel < 2) [L717] retValue_acc = 0 [L718] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L614] tmp = isHighWaterSensorDry() [L616] COND FALSE !(\read(tmp)) [L619] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L621] retValue_acc = tmp___0 [L622] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L498] tmp = isHighWaterLevel() [L500] COND TRUE \read(tmp) [L527] int tmp ; [L552] int retValue_acc ; [L669] int retValue_acc ; [L672] retValue_acc = methaneLevelCritical [L673] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L556] retValue_acc = isMethaneLevelCritical() [L558] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L531] tmp = isMethaneAlarm() [L533] COND FALSE !(\read(tmp)) [L521] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L55] int tmp ; [L56] int tmp___0 ; [L669] int retValue_acc ; [L672] retValue_acc = methaneLevelCritical [L673] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L60] tmp = isMethaneLevelCritical() [L62] COND FALSE !(\read(tmp)) [L78] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L735] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L737] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L743] tmp = __VERIFIER_nondet_int() [L745] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L753] tmp___0 = __VERIFIER_nondet_int() [L755] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L660] COND FALSE !(\read(methaneLevelCritical)) [L663] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L763] tmp___2 = __VERIFIER_nondet_int() [L765] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L464] COND TRUE \read(pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L636] COND TRUE waterLevel > 0 [L637] waterLevel = waterLevel - 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L471] COND TRUE \read(systemActive) [L493] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L496] COND FALSE !(! pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L55] int tmp ; [L56] int tmp___0 ; [L669] int retValue_acc ; [L672] retValue_acc = methaneLevelCritical [L673] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L60] tmp = isMethaneLevelCritical() [L62] COND TRUE \read(tmp) [L563] int retValue_acc ; [L566] retValue_acc = pumpRunning [L567] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L64] tmp___0 = isPumpRunning() [L66] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L67] COND FALSE !(\read(methAndRunningLastTime)) [L72] methAndRunningLastTime = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L735] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L737] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L743] tmp = __VERIFIER_nondet_int() [L745] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L753] tmp___0 = __VERIFIER_nondet_int() [L755] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L763] tmp___2 = __VERIFIER_nondet_int() [L765] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L464] COND TRUE \read(pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L636] COND TRUE waterLevel > 0 [L637] waterLevel = waterLevel - 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L471] COND TRUE \read(systemActive) [L493] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L496] COND FALSE !(! pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L55] int tmp ; [L56] int tmp___0 ; [L669] int retValue_acc ; [L672] retValue_acc = methaneLevelCritical [L673] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L60] tmp = isMethaneLevelCritical() [L62] COND TRUE \read(tmp) [L563] int retValue_acc ; [L566] retValue_acc = pumpRunning [L567] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L64] tmp___0 = isPumpRunning() [L66] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L67] COND TRUE \read(methAndRunningLastTime) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L832] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 91 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 12.0s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 837 SDtfs, 958 SDslu, 1280 SDs, 0 SdLazy, 171 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 355 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=180occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 631 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 410 NumberOfCodeBlocks, 410 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 330 ConstructedInterpolants, 0 QuantifiedInterpolants, 21628 SizeOfPredicates, 18 NumberOfNonLiveVariables, 2325 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 14/14 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...