./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8 --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 64bit --witnessprinter.graph.data.programhash f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:21:26,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:21:26,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:21:26,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:21:26,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:21:26,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:21:26,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:21:26,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:21:26,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:21:26,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:21:26,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:21:26,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:21:26,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:21:26,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:21:26,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:21:26,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:21:26,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:21:26,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:21:26,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:21:26,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:21:26,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:21:26,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:21:26,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:21:26,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:21:26,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:21:26,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:21:26,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:21:26,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:21:26,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:21:26,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:21:26,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:21:26,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:21:26,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:21:26,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:21:26,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:21:26,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:21:26,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:21:26,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:21:26,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:21:26,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:21:26,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:21:26,564 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 02:21:26,625 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:21:26,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:21:26,627 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:21:26,627 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:21:26,628 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:21:26,628 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:21:26,628 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:21:26,629 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:21:26,629 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:21:26,629 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:21:26,631 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:21:26,631 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:21:26,631 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:21:26,632 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:21:26,632 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:21:26,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:21:26,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:21:26,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:21:26,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:21:26,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:21:26,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:21:26,635 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:21:26,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:21:26,636 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:21:26,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:21:26,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:21:26,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:21:26,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:21:26,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:21:26,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:21:26,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:21:26,638 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:21:26,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:21:26,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:21:26,639 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:21:26,639 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:21:26,640 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_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 [2021-11-07 02:21:26,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:21:27,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:21:27,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:21:27,029 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:21:27,030 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:21:27,031 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-07 02:21:27,115 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/data/a32e2f58e/b45d915ecc364dc0b882aa07fc8a1851/FLAG6d18c481c [2021-11-07 02:21:28,133 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:21:28,134 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-07 02:21:28,204 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/data/a32e2f58e/b45d915ecc364dc0b882aa07fc8a1851/FLAG6d18c481c [2021-11-07 02:21:28,484 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/data/a32e2f58e/b45d915ecc364dc0b882aa07fc8a1851 [2021-11-07 02:21:28,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:21:28,491 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:21:28,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:21:28,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:21:28,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:21:28,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:21:28" (1/1) ... [2021-11-07 02:21:28,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ffb430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:28, skipping insertion in model container [2021-11-07 02:21:28,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:21:28" (1/1) ... [2021-11-07 02:21:28,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:21:28,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:21:29,594 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:29,998 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:30,042 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:30,055 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:30,060 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:30,101 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:30,103 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:30,190 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:30,412 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:30,480 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:30,487 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:30,492 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:30,500 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:30,501 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:30,507 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:30,521 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:30,523 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:30,547 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:30,556 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:30,557 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:30,562 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:30,564 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:30,565 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:30,571 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:30,572 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:30,574 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:21:30,612 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-07 02:21:30,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:21:30,721 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) [2021-11-07 02:21:30,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@32c4fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:30, skipping insertion in model container [2021-11-07 02:21:30,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:21:30,724 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:21:30,727 INFO L168 Benchmark]: Toolchain (without parser) took 2233.53 ms. Allocated memory is still 121.6 MB. Free memory was 95.4 MB in the beginning and 72.9 MB in the end (delta: 22.5 MB). Peak memory consumption was 44.3 MB. Max. memory is 16.1 GB. [2021-11-07 02:21:30,729 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 83.9 MB. Free memory was 63.1 MB in the beginning and 63.0 MB in the end (delta: 100.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:21:30,731 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2228.18 ms. Allocated memory is still 121.6 MB. Free memory was 95.4 MB in the beginning and 72.9 MB in the end (delta: 22.5 MB). Peak memory consumption was 44.3 MB. Max. memory is 16.1 GB. [2021-11-07 02:21:30,734 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 83.9 MB. Free memory was 63.1 MB in the beginning and 63.0 MB in the end (delta: 100.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2228.18 ms. Allocated memory is still 121.6 MB. Free memory was 95.4 MB in the beginning and 72.9 MB in the end (delta: 22.5 MB). Peak memory consumption was 44.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 3767]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8 --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 64bit --witnessprinter.graph.data.programhash f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:21:33,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:21:33,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:21:33,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:21:33,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:21:33,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:21:33,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:21:33,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:21:33,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:21:33,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:21:33,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:21:33,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:21:33,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:21:33,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:21:33,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:21:33,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:21:33,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:21:33,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:21:33,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:21:33,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:21:33,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:21:33,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:21:33,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:21:33,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:21:33,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:21:33,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:21:33,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:21:33,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:21:33,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:21:33,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:21:33,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:21:33,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:21:33,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:21:33,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:21:33,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:21:33,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:21:33,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:21:33,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:21:33,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:21:33,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:21:33,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:21:33,712 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 02:21:33,746 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:21:33,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:21:33,748 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:21:33,749 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:21:33,749 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:21:33,749 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:21:33,749 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:21:33,750 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:21:33,750 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:21:33,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:21:33,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:21:33,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:21:33,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:21:33,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:21:33,754 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:21:33,755 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:21:33,755 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:21:33,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:21:33,755 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:21:33,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:21:33,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:21:33,756 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:21:33,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:21:33,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:21:33,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:21:33,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:21:33,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:21:33,758 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:21:33,758 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:21:33,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:21:33,759 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:21:33,759 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:21:33,759 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_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 [2021-11-07 02:21:34,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:21:34,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:21:34,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:21:34,289 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:21:34,290 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:21:34,291 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-07 02:21:34,374 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/data/fd13eec3d/5e778dd8cf854abdac7ab32108b692af/FLAG13b839eea [2021-11-07 02:21:35,506 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:21:35,507 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-07 02:21:35,556 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/data/fd13eec3d/5e778dd8cf854abdac7ab32108b692af/FLAG13b839eea [2021-11-07 02:21:35,902 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/data/fd13eec3d/5e778dd8cf854abdac7ab32108b692af [2021-11-07 02:21:35,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:21:35,906 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:21:35,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:21:35,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:21:35,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:21:35,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:21:35" (1/1) ... [2021-11-07 02:21:35,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d78432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:35, skipping insertion in model container [2021-11-07 02:21:35,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:21:35" (1/1) ... [2021-11-07 02:21:35,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:21:36,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:21:38,119 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-07 02:21:38,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:21:38,207 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 02:21:38,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:21:38,682 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-07 02:21:38,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:21:38,739 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:21:39,312 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-07 02:21:39,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:21:39,465 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:21:39,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:39 WrapperNode [2021-11-07 02:21:39,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:21:39,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:21:39,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:21:39,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:21:39,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:39" (1/1) ... [2021-11-07 02:21:39,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:39" (1/1) ... [2021-11-07 02:21:40,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:21:40,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:21:40,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:21:40,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:21:40,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:39" (1/1) ... [2021-11-07 02:21:40,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:39" (1/1) ... [2021-11-07 02:21:40,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:39" (1/1) ... [2021-11-07 02:21:40,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:39" (1/1) ... [2021-11-07 02:21:41,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:39" (1/1) ... [2021-11-07 02:21:41,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:39" (1/1) ... [2021-11-07 02:21:41,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:39" (1/1) ... [2021-11-07 02:21:41,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:21:41,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:21:41,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:21:41,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:21:41,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:39" (1/1) ... [2021-11-07 02:21:41,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:21:41,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:21:41,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:21:41,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:21:41,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 02:21:41,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 02:21:41,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 02:21:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 02:21:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 02:21:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 02:21:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:21:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 02:21:41,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 02:21:41,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 02:21:41,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 02:21:41,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 02:21:41,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 02:21:41,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 02:21:41,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 02:21:41,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 02:21:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 02:21:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 02:21:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-07 02:21:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-07 02:21:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-07 02:21:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 02:21:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 02:21:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-07 02:21:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-07 02:21:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-07 02:21:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-07 02:21:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-07 02:21:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:21:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:21:42,971 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 02:21:43,041 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 02:21:43,141 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 02:21:43,261 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 02:28:39,317 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1293: assume false; [2021-11-07 02:28:39,317 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1294: assume !false; [2021-11-07 02:28:39,317 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1299: assume false; [2021-11-07 02:28:39,317 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1288: assume false; [2021-11-07 02:28:39,318 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1289: assume !false; [2021-11-07 02:28:39,318 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1273: assume false; [2021-11-07 02:28:39,318 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1274: assume !false; [2021-11-07 02:28:39,318 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1278: assume false; [2021-11-07 02:28:39,318 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1279: assume !false; [2021-11-07 02:28:39,319 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2511: assume !false; [2021-11-07 02:28:39,319 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2510: assume false; [2021-11-07 02:28:39,319 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2517: assume !false; [2021-11-07 02:28:39,319 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2516: assume false; [2021-11-07 02:28:39,319 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2506: assume !false; [2021-11-07 02:28:39,320 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2505: assume false; [2021-11-07 02:28:39,320 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1253: assume false; [2021-11-07 02:28:39,320 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1254: assume !false; [2021-11-07 02:28:39,320 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1243: assume false; [2021-11-07 02:28:39,320 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1244: assume !false; [2021-11-07 02:28:39,321 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1248: assume false; [2021-11-07 02:28:39,321 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1249: assume !false; [2021-11-07 02:28:39,321 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1222: assume false; [2021-11-07 02:28:39,321 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1223: assume !false; [2021-11-07 02:28:39,321 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1227: assume false; [2021-11-07 02:28:39,322 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1228: assume !false; [2021-11-07 02:28:39,322 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1210: assume false; [2021-11-07 02:28:39,322 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2542: assume !false; [2021-11-07 02:28:39,322 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1211: assume !false; [2021-11-07 02:28:39,323 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2541: assume false; [2021-11-07 02:28:39,323 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2546: assume false; [2021-11-07 02:28:39,323 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1217: assume false; [2021-11-07 02:28:39,323 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2547: assume !false; [2021-11-07 02:28:39,323 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1218: assume !false; [2021-11-07 02:28:39,324 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1205: assume false; [2021-11-07 02:28:39,324 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1206: assume !false; [2021-11-07 02:28:39,324 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2522: assume !false; [2021-11-07 02:28:39,324 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2521: assume false; [2021-11-07 02:28:39,324 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1180: assume false; [2021-11-07 02:28:39,325 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1181: assume !false; [2021-11-07 02:28:39,325 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1185: assume false; [2021-11-07 02:28:39,325 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1186: assume !false; [2021-11-07 02:28:39,325 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1170: assume !false; [2021-11-07 02:28:39,325 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1174: assume false; [2021-11-07 02:28:39,326 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1175: assume !false; [2021-11-07 02:28:39,326 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2490: assume false; [2021-11-07 02:28:39,326 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1160: assume !false; [2021-11-07 02:28:39,326 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2491: assume !false; [2021-11-07 02:28:39,326 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2496: assume !false; [2021-11-07 02:28:39,326 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2495: assume false; [2021-11-07 02:28:39,327 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1169: assume false; [2021-11-07 02:28:39,327 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1154: assume false; [2021-11-07 02:28:39,327 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1155: assume !false; [2021-11-07 02:28:39,327 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1159: assume false; [2021-11-07 02:28:39,328 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2470: assume false; [2021-11-07 02:28:39,328 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2471: assume !false; [2021-11-07 02:28:39,328 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2461: assume !false; [2021-11-07 02:28:39,328 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2460: assume false; [2021-11-07 02:28:39,328 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2465: assume false; [2021-11-07 02:28:39,328 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2466: assume !false; [2021-11-07 02:28:39,329 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2440: assume !false; [2021-11-07 02:28:39,329 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2445: assume !false; [2021-11-07 02:28:39,329 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2444: assume false; [2021-11-07 02:28:39,329 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1100: assume !false; [2021-11-07 02:28:39,329 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2434: assume false; [2021-11-07 02:28:39,330 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2435: assume !false; [2021-11-07 02:28:39,330 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2439: assume false; [2021-11-07 02:28:39,330 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2423: assume !false; [2021-11-07 02:28:39,330 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2422: assume false; [2021-11-07 02:28:39,330 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2427: assume false; [2021-11-07 02:28:39,330 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2428: assume !false; [2021-11-07 02:28:39,331 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2403: assume !false; [2021-11-07 02:28:39,331 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2402: assume false; [2021-11-07 02:28:39,331 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1090: assume false; [2021-11-07 02:28:39,331 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1091: assume !false; [2021-11-07 02:28:39,331 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1099: assume false; [2021-11-07 02:28:39,332 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1081: assume false; [2021-11-07 02:28:39,332 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1082: assume !false; [2021-11-07 02:28:39,332 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2391: assume false; [2021-11-07 02:28:39,332 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2392: assume !false; [2021-11-07 02:28:39,332 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2397: assume false; [2021-11-07 02:28:39,332 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2398: assume !false; [2021-11-07 02:28:39,333 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2386: assume false; [2021-11-07 02:28:39,333 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1057: assume false; [2021-11-07 02:28:39,333 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2387: assume !false; [2021-11-07 02:28:39,333 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1058: assume !false; [2021-11-07 02:28:39,333 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2371: assume false; [2021-11-07 02:28:39,334 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2372: assume !false; [2021-11-07 02:28:39,334 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2377: assume !false; [2021-11-07 02:28:39,334 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2376: assume false; [2021-11-07 02:28:39,334 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3600: assume false; [2021-11-07 02:28:39,334 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3601: assume !false; [2021-11-07 02:28:39,335 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3671: assume false; [2021-11-07 02:28:39,335 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3672: assume !false; [2021-11-07 02:28:39,335 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3677: assume !false; [2021-11-07 02:28:39,335 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3676: assume false; [2021-11-07 02:28:39,335 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3651: assume false; [2021-11-07 02:28:39,335 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3652: assume !false; [2021-11-07 02:28:39,336 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3640: assume false; [2021-11-07 02:28:39,336 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3641: assume !false; [2021-11-07 02:28:39,336 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3646: assume false; [2021-11-07 02:28:39,336 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2317: assume !false; [2021-11-07 02:28:39,336 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2316: assume false; [2021-11-07 02:28:39,336 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3647: assume !false; [2021-11-07 02:28:39,337 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3635: assume false; [2021-11-07 02:28:39,337 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3636: assume !false; [2021-11-07 02:28:39,337 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2308: assume !false; [2021-11-07 02:28:39,337 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2307: assume false; [2021-11-07 02:28:39,337 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3620: assume false; [2021-11-07 02:28:39,337 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3621: assume !false; [2021-11-07 02:28:39,338 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3626: assume !false; [2021-11-07 02:28:39,338 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3625: assume false; [2021-11-07 02:28:39,338 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2298: assume false; [2021-11-07 02:28:39,338 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2299: assume !false; [2021-11-07 02:28:39,338 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2274: assume false; [2021-11-07 02:28:39,339 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2275: assume !false; [2021-11-07 02:28:39,339 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3590: assume false; [2021-11-07 02:28:39,339 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3591: assume !false; [2021-11-07 02:28:39,339 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3596: assume !false; [2021-11-07 02:28:39,339 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3595: assume false; [2021-11-07 02:28:39,339 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3570: assume !false; [2021-11-07 02:28:39,340 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3574: assume false; [2021-11-07 02:28:39,340 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3575: assume !false; [2021-11-07 02:28:39,340 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume !false; [2021-11-07 02:28:39,340 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##94: assume false; [2021-11-07 02:28:39,340 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##95: assume !false; [2021-11-07 02:28:39,340 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##99: assume false; [2021-11-07 02:28:39,341 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-07 02:28:39,341 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-07 02:28:39,341 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume false; [2021-11-07 02:28:39,341 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume !false; [2021-11-07 02:28:39,342 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume !false; [2021-11-07 02:28:39,342 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume false; [2021-11-07 02:28:39,342 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##59: assume false; [2021-11-07 02:28:39,342 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2021-11-07 02:28:39,342 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2021-11-07 02:28:39,342 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3565: assume !false; [2021-11-07 02:28:39,343 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3564: assume false; [2021-11-07 02:28:39,343 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3569: assume false; [2021-11-07 02:28:39,343 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3552: assume false; [2021-11-07 02:28:39,343 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3553: assume !false; [2021-11-07 02:28:39,343 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3558: assume !false; [2021-11-07 02:28:39,343 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3557: assume false; [2021-11-07 02:28:39,344 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3532: assume false; [2021-11-07 02:28:39,344 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3533: assume !false; [2021-11-07 02:28:39,344 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2207: assume !false; [2021-11-07 02:28:39,344 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2206: assume false; [2021-11-07 02:28:39,344 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3521: assume false; [2021-11-07 02:28:39,344 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3522: assume !false; [2021-11-07 02:28:39,345 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3527: assume false; [2021-11-07 02:28:39,345 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3528: assume !false; [2021-11-07 02:28:39,345 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3516: assume false; [2021-11-07 02:28:39,345 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3517: assume !false; [2021-11-07 02:28:39,345 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3501: assume false; [2021-11-07 02:28:39,345 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3502: assume !false; [2021-11-07 02:28:39,346 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3507: assume !false; [2021-11-07 02:28:39,346 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3506: assume false; [2021-11-07 02:28:39,346 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1668: assume false; [2021-11-07 02:28:39,346 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1669: assume !false; [2021-11-07 02:28:39,346 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1644: assume false; [2021-11-07 02:28:39,346 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1645: assume !false; [2021-11-07 02:28:39,347 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1686: assume false; [2021-11-07 02:28:39,347 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1687: assume !false; [2021-11-07 02:28:39,347 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1677: assume false; [2021-11-07 02:28:39,347 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1678: assume !false; [2021-11-07 02:28:39,347 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2865: assume !false; [2021-11-07 02:28:39,348 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2864: assume false; [2021-11-07 02:28:39,348 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1300: assume !false; [2021-11-07 02:28:39,348 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1304: assume false; [2021-11-07 02:28:39,348 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1305: assume !false; [2021-11-07 02:28:39,348 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume !false; [2021-11-07 02:28:39,349 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##142: assume false; [2021-11-07 02:28:39,349 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume false; [2021-11-07 02:28:39,349 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##152: assume !false; [2021-11-07 02:28:39,349 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume !false; [2021-11-07 02:28:39,349 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume false; [2021-11-07 02:28:39,349 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3992: assume !false; [2021-11-07 02:28:39,350 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1330: assume !false; [2021-11-07 02:28:39,350 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3991: assume false; [2021-11-07 02:28:39,350 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##100: assume !false; [2021-11-07 02:28:39,350 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##109: assume false; [2021-11-07 02:28:39,350 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1324: assume false; [2021-11-07 02:28:39,350 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##110: assume !false; [2021-11-07 02:28:39,351 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1325: assume !false; [2021-11-07 02:28:39,351 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##115: assume !false; [2021-11-07 02:28:39,351 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##114: assume false; [2021-11-07 02:28:39,351 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1329: assume false; [2021-11-07 02:28:39,351 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3031: assume false; [2021-11-07 02:28:39,351 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3032: assume !false; [2021-11-07 02:28:39,352 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3022: assume false; [2021-11-07 02:28:39,352 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3023: assume !false; [2021-11-07 02:28:39,352 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3013: assume false; [2021-11-07 02:28:39,352 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3014: assume !false; [2021-11-07 02:28:39,352 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3091: assume false; [2021-11-07 02:28:39,352 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3092: assume !false; [2021-11-07 02:28:39,353 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3086: assume false; [2021-11-07 02:28:39,353 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3087: assume !false; [2021-11-07 02:28:39,353 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##267: assume !false; [2021-11-07 02:28:39,353 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##266: assume false; [2021-11-07 02:28:39,353 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##272: assume !false; [2021-11-07 02:28:39,353 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##271: assume false; [2021-11-07 02:28:39,354 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume !false; [2021-11-07 02:28:39,354 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##278: assume false; [2021-11-07 02:28:39,354 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##283: assume false; [2021-11-07 02:28:39,354 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##284: assume !false; [2021-11-07 02:28:39,354 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false; [2021-11-07 02:28:39,354 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2021-11-07 02:28:39,355 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##216: assume !false; [2021-11-07 02:28:39,355 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##215: assume false; [2021-11-07 02:28:39,355 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume !false; [2021-11-07 02:28:39,355 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume false; [2021-11-07 02:28:39,355 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##231: assume !false; [2021-11-07 02:28:39,355 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##230: assume false; [2021-11-07 02:28:39,356 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##236: assume !false; [2021-11-07 02:28:39,356 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##235: assume false; [2021-11-07 02:28:39,356 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##242: assume !false; [2021-11-07 02:28:39,356 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume false; [2021-11-07 02:28:39,356 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##247: assume !false; [2021-11-07 02:28:39,356 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##246: assume false; [2021-11-07 02:28:39,357 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4259: assume !false; [2021-11-07 02:28:39,357 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4258: assume false; [2021-11-07 02:28:39,357 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##305: assume !false; [2021-11-07 02:28:39,357 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##304: assume false; [2021-11-07 02:28:39,357 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##309: assume false; [2021-11-07 02:28:39,358 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4233: assume false; [2021-11-07 02:28:39,358 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4234: assume !false; [2021-11-07 02:28:39,358 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4238: assume false; [2021-11-07 02:28:39,358 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4239: assume !false; [2021-11-07 02:28:39,358 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##310: assume !false; [2021-11-07 02:28:39,358 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##315: assume !false; [2021-11-07 02:28:39,359 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##314: assume false; [2021-11-07 02:28:39,359 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4222: assume false; [2021-11-07 02:28:39,359 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4223: assume !false; [2021-11-07 02:28:39,359 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4227: assume false; [2021-11-07 02:28:39,359 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4228: assume !false; [2021-11-07 02:28:39,359 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4212: assume false; [2021-11-07 02:28:39,360 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4213: assume !false; [2021-11-07 02:28:39,360 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4208: assume !false; [2021-11-07 02:28:39,360 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4207: assume false; [2021-11-07 02:28:39,360 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4263: assume false; [2021-11-07 02:28:39,360 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4264: assume !false; [2021-11-07 02:28:39,360 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##386: assume !false; [2021-11-07 02:28:39,361 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##385: assume false; [2021-11-07 02:28:39,361 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##391: assume !false; [2021-11-07 02:28:39,361 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume false; [2021-11-07 02:28:39,361 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##335: assume !false; [2021-11-07 02:28:39,361 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##334: assume false; [2021-11-07 02:28:39,361 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##339: assume false; [2021-11-07 02:28:39,362 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##340: assume !false; [2021-11-07 02:28:39,362 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##349: assume false; [2021-11-07 02:28:39,362 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##350: assume !false; [2021-11-07 02:28:39,362 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##355: assume !false; [2021-11-07 02:28:39,362 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##354: assume false; [2021-11-07 02:28:39,362 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##360: assume false; [2021-11-07 02:28:39,363 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##361: assume !false; [2021-11-07 02:28:39,363 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##366: assume !false; [2021-11-07 02:28:39,363 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##365: assume false; [2021-11-07 02:28:39,363 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4139: assume false; [2021-11-07 02:28:39,363 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4120: assume !false; [2021-11-07 02:28:39,363 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4114: assume false; [2021-11-07 02:28:39,364 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4115: assume !false; [2021-11-07 02:28:39,364 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4119: assume false; [2021-11-07 02:28:39,364 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4103: assume false; [2021-11-07 02:28:39,364 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4104: assume !false; [2021-11-07 02:28:39,364 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4109: assume !false; [2021-11-07 02:28:39,364 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4108: assume false; [2021-11-07 02:28:39,365 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4182: assume false; [2021-11-07 02:28:39,365 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4183: assume !false; [2021-11-07 02:28:39,365 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4187: assume false; [2021-11-07 02:28:39,365 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4188: assume !false; [2021-11-07 02:28:39,365 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4178: assume !false; [2021-11-07 02:28:39,365 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4177: assume false; [2021-11-07 02:28:39,366 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4161: assume false; [2021-11-07 02:28:39,366 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4162: assume !false; [2021-11-07 02:28:39,366 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4152: assume !false; [2021-11-07 02:28:39,366 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4151: assume false; [2021-11-07 02:28:39,366 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4156: assume false; [2021-11-07 02:28:39,366 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4157: assume !false; [2021-11-07 02:28:39,366 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4140: assume !false; [2021-11-07 02:28:39,367 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4145: assume !false; [2021-11-07 02:28:39,367 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4144: assume false; [2021-11-07 02:28:39,367 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4015: assume false; [2021-11-07 02:28:39,367 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4016: assume !false; [2021-11-07 02:28:39,367 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##518: assume !false; [2021-11-07 02:28:39,367 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##517: assume false; [2021-11-07 02:28:39,368 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4093: assume false; [2021-11-07 02:28:39,368 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4094: assume !false; [2021-11-07 02:28:39,368 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4088: assume false; [2021-11-07 02:28:39,368 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4089: assume !false; [2021-11-07 02:28:39,368 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4033: assume false; [2021-11-07 02:28:39,368 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4034: assume !false; [2021-11-07 02:28:39,369 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4024: assume false; [2021-11-07 02:28:39,369 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4025: assume !false; [2021-11-07 02:28:39,369 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##667: assume !false; [2021-11-07 02:28:39,369 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##666: assume false; [2021-11-07 02:28:39,369 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##676: assume !false; [2021-11-07 02:28:39,369 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##675: assume false; [2021-11-07 02:28:39,370 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##685: assume !false; [2021-11-07 02:28:39,370 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##684: assume false; [2021-11-07 02:28:39,370 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3446: assume false; [2021-11-07 02:28:39,370 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3447: assume !false; [2021-11-07 02:28:39,370 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3437: assume false; [2021-11-07 02:28:39,370 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3438: assume !false; [2021-11-07 02:28:39,371 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3428: assume false; [2021-11-07 02:28:39,371 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3429: assume !false; [2021-11-07 02:28:39,371 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3404: assume false; [2021-11-07 02:28:39,371 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3405: assume !false; [2021-11-07 02:28:39,371 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##766: assume !false; [2021-11-07 02:28:39,371 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##765: assume false; [2021-11-07 02:28:39,372 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##771: assume !false; [2021-11-07 02:28:39,372 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##770: assume false; [2021-11-07 02:28:39,372 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##791: assume !false; [2021-11-07 02:28:39,372 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##790: assume false; [2021-11-07 02:28:39,372 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##796: assume !false; [2021-11-07 02:28:39,372 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##795: assume false; [2021-11-07 02:28:39,373 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##739: assume false; [2021-11-07 02:28:39,373 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##740: assume !false; [2021-11-07 02:28:39,373 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##745: assume !false; [2021-11-07 02:28:39,373 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##744: assume false; [2021-11-07 02:28:39,373 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##755: assume !false; [2021-11-07 02:28:39,373 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##754: assume false; [2021-11-07 02:28:39,374 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##759: assume false; [2021-11-07 02:28:39,374 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##760: assume !false; [2021-11-07 02:28:39,374 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##889: assume false; [2021-11-07 02:28:39,374 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##890: assume !false; [2021-11-07 02:28:39,374 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3262: assume !false; [2021-11-07 02:28:39,374 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3261: assume false; [2021-11-07 02:28:39,375 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3257: assume !false; [2021-11-07 02:28:39,375 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3256: assume false; [2021-11-07 02:28:39,375 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##859: assume !false; [2021-11-07 02:28:39,375 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##858: assume false; [2021-11-07 02:28:39,375 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3231: assume false; [2021-11-07 02:28:39,375 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3232: assume !false; [2021-11-07 02:28:39,376 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3237: assume !false; [2021-11-07 02:28:39,376 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3236: assume false; [2021-11-07 02:28:39,376 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##863: assume false; [2021-11-07 02:28:39,376 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##864: assume !false; [2021-11-07 02:28:39,376 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3220: assume false; [2021-11-07 02:28:39,376 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3221: assume !false; [2021-11-07 02:28:39,377 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3226: assume !false; [2021-11-07 02:28:39,377 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3225: assume false; [2021-11-07 02:28:39,377 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##874: assume !false; [2021-11-07 02:28:39,377 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##873: assume false; [2021-11-07 02:28:39,377 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##878: assume false; [2021-11-07 02:28:39,377 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##879: assume !false; [2021-11-07 02:28:39,378 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3211: assume !false; [2021-11-07 02:28:39,378 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3210: assume false; [2021-11-07 02:28:39,378 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##885: assume !false; [2021-11-07 02:28:39,378 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##884: assume false; [2021-11-07 02:28:39,378 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##803: assume !false; [2021-11-07 02:28:39,378 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##802: assume false; [2021-11-07 02:28:39,379 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##808: assume !false; [2021-11-07 02:28:39,379 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##807: assume false; [2021-11-07 02:28:39,379 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##812: assume false; [2021-11-07 02:28:39,379 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##813: assume !false; [2021-11-07 02:28:39,379 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##829: assume !false; [2021-11-07 02:28:39,379 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##828: assume false; [2021-11-07 02:28:39,380 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##834: assume !false; [2021-11-07 02:28:39,380 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##833: assume false; [2021-11-07 02:28:39,380 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##838: assume false; [2021-11-07 02:28:39,380 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##839: assume !false; [2021-11-07 02:28:39,380 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3206: assume !false; [2021-11-07 02:28:39,380 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3205: assume false; [2021-11-07 02:28:39,381 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3160: assume !false; [2021-11-07 02:28:39,381 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3150: assume !false; [2021-11-07 02:28:39,381 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3154: assume false; [2021-11-07 02:28:39,381 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3155: assume !false; [2021-11-07 02:28:39,381 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3159: assume false; [2021-11-07 02:28:39,381 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3143: assume !false; [2021-11-07 02:28:39,382 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3142: assume false; [2021-11-07 02:28:39,382 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3149: assume false; [2021-11-07 02:28:39,382 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3138: assume !false; [2021-11-07 02:28:39,382 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3137: assume false; [2021-11-07 02:28:39,382 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3112: assume false; [2021-11-07 02:28:39,382 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3113: assume !false; [2021-11-07 02:28:39,382 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3118: assume !false; [2021-11-07 02:28:39,383 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3117: assume false; [2021-11-07 02:28:39,383 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3101: assume false; [2021-11-07 02:28:39,383 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3102: assume !false; [2021-11-07 02:28:39,383 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3107: assume !false; [2021-11-07 02:28:39,383 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3106: assume false; [2021-11-07 02:28:39,383 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3181: assume !false; [2021-11-07 02:28:39,384 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3180: assume false; [2021-11-07 02:28:39,384 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3185: assume false; [2021-11-07 02:28:39,384 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##909: assume false; [2021-11-07 02:28:39,384 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3186: assume !false; [2021-11-07 02:28:39,385 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##910: assume !false; [2021-11-07 02:28:39,385 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##915: assume !false; [2021-11-07 02:28:39,385 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##914: assume false; [2021-11-07 02:28:39,385 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3176: assume !false; [2021-11-07 02:28:39,385 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3175: assume false; [2021-11-07 02:28:39,386 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1916: assume false; [2021-11-07 02:28:39,386 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1917: assume !false; [2021-11-07 02:28:39,387 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1911: assume false; [2021-11-07 02:28:39,387 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1912: assume !false; [2021-11-07 02:28:39,387 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1891: assume false; [2021-11-07 02:28:39,387 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1892: assume !false; [2021-11-07 02:28:39,387 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1880: assume false; [2021-11-07 02:28:39,387 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1881: assume !false; [2021-11-07 02:28:39,387 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1886: assume false; [2021-11-07 02:28:39,388 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1887: assume !false; [2021-11-07 02:28:39,388 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1875: assume false; [2021-11-07 02:28:39,388 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1876: assume !false; [2021-11-07 02:28:39,388 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1860: assume false; [2021-11-07 02:28:39,388 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1861: assume !false; [2021-11-07 02:28:39,388 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1865: assume false; [2021-11-07 02:28:39,389 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1866: assume !false; [2021-11-07 02:28:39,389 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1840: assume false; [2021-11-07 02:28:39,389 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1841: assume !false; [2021-11-07 02:28:39,389 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1830: assume false; [2021-11-07 02:28:39,389 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1831: assume !false; [2021-11-07 02:28:39,389 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1835: assume false; [2021-11-07 02:28:39,389 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1836: assume !false; [2021-11-07 02:28:39,390 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1805: assume !false; [2021-11-07 02:28:39,390 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1809: assume false; [2021-11-07 02:28:39,390 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1810: assume !false; [2021-11-07 02:28:39,390 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1814: assume false; [2021-11-07 02:28:39,390 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1815: assume !false; [2021-11-07 02:28:39,390 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1804: assume false; [2021-11-07 02:28:39,391 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1772: assume false; [2021-11-07 02:28:39,391 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1773: assume !false; [2021-11-07 02:28:39,391 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1761: assume false; [2021-11-07 02:28:39,391 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1762: assume !false; [2021-11-07 02:28:39,391 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1767: assume false; [2021-11-07 02:28:39,391 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1768: assume !false; [2021-11-07 02:28:39,392 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1756: assume false; [2021-11-07 02:28:39,392 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1757: assume !false; [2021-11-07 02:28:39,392 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1741: assume false; [2021-11-07 02:28:39,392 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1742: assume !false; [2021-11-07 02:28:39,392 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1746: assume false; [2021-11-07 02:28:39,392 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1747: assume !false; [2021-11-07 02:28:39,392 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1792: assume false; [2021-11-07 02:28:39,393 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1793: assume !false; [2021-11-07 02:28:39,393 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1797: assume false; [2021-11-07 02:28:39,393 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1798: assume !false; [2021-11-07 02:28:39,425 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:28:39,426 INFO L299 CfgBuilder]: Removed 4123 assume(true) statements. [2021-11-07 02:28:39,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:28:39 BoogieIcfgContainer [2021-11-07 02:28:39,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:28:39,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:28:39,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:28:39,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:28:39,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:21:35" (1/3) ... [2021-11-07 02:28:39,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f22bb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:28:39, skipping insertion in model container [2021-11-07 02:28:39,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:39" (2/3) ... [2021-11-07 02:28:39,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f22bb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:28:39, skipping insertion in model container [2021-11-07 02:28:39,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:28:39" (3/3) ... [2021-11-07 02:28:39,439 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-07 02:28:39,444 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:28:39,445 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2021-11-07 02:28:39,507 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:28:39,513 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 02:28:39,513 INFO L340 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2021-11-07 02:28:39,587 INFO L276 IsEmpty]: Start isEmpty. Operand has 4322 states, 4302 states have (on average 1.3621571362157137) internal successors, (5860), 4321 states have internal predecessors, (5860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:28:39,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 02:28:39,592 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:28:39,593 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:28:39,593 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-07 02:28:39,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:28:39,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1415841910, now seen corresponding path program 1 times [2021-11-07 02:28:39,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:28:39,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1951617402] [2021-11-07 02:28:39,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:28:39,619 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:28:39,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:28:39,626 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:28:39,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:28:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:28:40,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:28:40,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:28:40,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:28:40,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:28:40,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:28:40,904 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:28:40,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1951617402] [2021-11-07 02:28:40,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1951617402] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:28:40,905 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:28:40,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 02:28:40,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780115741] [2021-11-07 02:28:40,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:28:40,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:28:40,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:28:40,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:28:40,935 INFO L87 Difference]: Start difference. First operand has 4322 states, 4302 states have (on average 1.3621571362157137) internal successors, (5860), 4321 states have internal predecessors, (5860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:28:45,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:28:45,505 INFO L93 Difference]: Finished difference Result 16570 states and 22698 transitions. [2021-11-07 02:28:45,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:28:45,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-07 02:28:45,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:28:45,631 INFO L225 Difference]: With dead ends: 16570 [2021-11-07 02:28:45,631 INFO L226 Difference]: Without dead ends: 12199 [2021-11-07 02:28:45,652 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:28:45,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12199 states. [2021-11-07 02:28:45,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12199 to 4090. [2021-11-07 02:28:45,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4090 states, 4071 states have (on average 1.3151559813313682) internal successors, (5354), 4089 states have internal predecessors, (5354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:28:45,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4090 states to 4090 states and 5354 transitions. [2021-11-07 02:28:45,935 INFO L78 Accepts]: Start accepts. Automaton has 4090 states and 5354 transitions. Word has length 9 [2021-11-07 02:28:45,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:28:45,935 INFO L470 AbstractCegarLoop]: Abstraction has 4090 states and 5354 transitions. [2021-11-07 02:28:45,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:28:45,936 INFO L276 IsEmpty]: Start isEmpty. Operand 4090 states and 5354 transitions. [2021-11-07 02:28:45,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-07 02:28:45,937 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:28:45,937 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:28:45,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 02:28:46,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:28:46,159 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-07 02:28:46,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:28:46,160 INFO L85 PathProgramCache]: Analyzing trace with hash -540315279, now seen corresponding path program 1 times [2021-11-07 02:28:46,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:28:46,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1328700639] [2021-11-07 02:28:46,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:28:46,161 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:28:46,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:28:46,164 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:28:46,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 02:28:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:28:47,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:28:47,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:28:47,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:28:47,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:28:47,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:28:47,574 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:28:47,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1328700639] [2021-11-07 02:28:47,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1328700639] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:28:47,575 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:28:47,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 02:28:47,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033532385] [2021-11-07 02:28:47,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:28:47,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:28:47,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:28:47,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:28:47,577 INFO L87 Difference]: Start difference. First operand 4090 states and 5354 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:28:47,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:28:47,960 INFO L93 Difference]: Finished difference Result 8163 states and 10686 transitions. [2021-11-07 02:28:47,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:28:47,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-07 02:28:47,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:28:47,982 INFO L225 Difference]: With dead ends: 8163 [2021-11-07 02:28:47,982 INFO L226 Difference]: Without dead ends: 4078 [2021-11-07 02:28:47,990 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:28:47,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4078 states. [2021-11-07 02:28:48,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4078 to 4078. [2021-11-07 02:28:48,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4078 states, 4059 states have (on average 1.3131313131313131) internal successors, (5330), 4077 states have internal predecessors, (5330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:28:48,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 4078 states and 5330 transitions. [2021-11-07 02:28:48,144 INFO L78 Accepts]: Start accepts. Automaton has 4078 states and 5330 transitions. Word has length 10 [2021-11-07 02:28:48,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:28:48,145 INFO L470 AbstractCegarLoop]: Abstraction has 4078 states and 5330 transitions. [2021-11-07 02:28:48,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:28:48,145 INFO L276 IsEmpty]: Start isEmpty. Operand 4078 states and 5330 transitions. [2021-11-07 02:28:48,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-07 02:28:48,146 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:28:48,146 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:28:48,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 02:28:48,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:28:48,368 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-07 02:28:48,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:28:48,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1051617038, now seen corresponding path program 1 times [2021-11-07 02:28:48,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:28:48,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [546259482] [2021-11-07 02:28:48,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:28:48,372 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:28:48,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:28:48,373 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:28:48,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 02:28:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:28:49,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:28:49,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:28:49,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:28:49,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:28:49,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:28:49,540 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:28:49,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [546259482] [2021-11-07 02:28:49,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [546259482] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:28:49,540 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:28:49,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 02:28:49,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736143311] [2021-11-07 02:28:49,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:28:49,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:28:49,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:28:49,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:28:49,542 INFO L87 Difference]: Start difference. First operand 4078 states and 5330 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:28:49,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:28:49,762 INFO L93 Difference]: Finished difference Result 8149 states and 10651 transitions. [2021-11-07 02:28:49,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:28:49,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-07 02:28:49,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:28:49,785 INFO L225 Difference]: With dead ends: 8149 [2021-11-07 02:28:49,785 INFO L226 Difference]: Without dead ends: 4078 [2021-11-07 02:28:49,792 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:28:49,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4078 states. [2021-11-07 02:28:49,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4078 to 4078. [2021-11-07 02:28:49,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4078 states, 4059 states have (on average 1.3123922148312392) internal successors, (5327), 4077 states have internal predecessors, (5327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:28:49,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 4078 states and 5327 transitions. [2021-11-07 02:28:49,966 INFO L78 Accepts]: Start accepts. Automaton has 4078 states and 5327 transitions. Word has length 10 [2021-11-07 02:28:49,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:28:49,967 INFO L470 AbstractCegarLoop]: Abstraction has 4078 states and 5327 transitions. [2021-11-07 02:28:49,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:28:49,967 INFO L276 IsEmpty]: Start isEmpty. Operand 4078 states and 5327 transitions. [2021-11-07 02:28:49,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-07 02:28:49,968 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:28:49,968 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:28:49,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 02:28:50,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:28:50,189 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-07 02:28:50,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:28:50,190 INFO L85 PathProgramCache]: Analyzing trace with hash -600431431, now seen corresponding path program 1 times [2021-11-07 02:28:50,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:28:50,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [525679783] [2021-11-07 02:28:50,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:28:50,191 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:28:50,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:28:50,195 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:28:50,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 02:28:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:28:51,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:28:51,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:28:51,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:28:51,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:28:51,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:28:51,510 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:28:51,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [525679783] [2021-11-07 02:28:51,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [525679783] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:28:51,510 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:28:51,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 02:28:51,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431214120] [2021-11-07 02:28:51,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:28:51,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:28:51,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:28:51,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:28:51,512 INFO L87 Difference]: Start difference. First operand 4078 states and 5327 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:28:52,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:28:52,483 INFO L93 Difference]: Finished difference Result 12086 states and 15810 transitions. [2021-11-07 02:28:52,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:28:52,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-07 02:28:52,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:28:52,541 INFO L225 Difference]: With dead ends: 12086 [2021-11-07 02:28:52,542 INFO L226 Difference]: Without dead ends: 8059 [2021-11-07 02:28:52,549 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:28:52,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8059 states. [2021-11-07 02:28:52,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8059 to 8023. [2021-11-07 02:28:52,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8023 states, 8004 states have (on average 1.3125937031484258) internal successors, (10506), 8022 states have internal predecessors, (10506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:28:52,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8023 states to 8023 states and 10506 transitions. [2021-11-07 02:28:52,919 INFO L78 Accepts]: Start accepts. Automaton has 8023 states and 10506 transitions. Word has length 14 [2021-11-07 02:28:52,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:28:52,921 INFO L470 AbstractCegarLoop]: Abstraction has 8023 states and 10506 transitions. [2021-11-07 02:28:52,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:28:52,922 INFO L276 IsEmpty]: Start isEmpty. Operand 8023 states and 10506 transitions. [2021-11-07 02:28:52,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 02:28:52,933 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:28:52,933 INFO L513 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] [2021-11-07 02:28:52,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 02:28:53,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:28:53,154 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-07 02:28:53,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:28:53,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1657338387, now seen corresponding path program 1 times [2021-11-07 02:28:53,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:28:53,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [502866776] [2021-11-07 02:28:53,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:28:53,157 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:28:53,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:28:53,163 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:28:53,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 02:28:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:28:54,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:28:54,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:28:54,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:28:54,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:28:54,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:28:54,649 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:28:54,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [502866776] [2021-11-07 02:28:54,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [502866776] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:28:54,650 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:28:54,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 02:28:54,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367232545] [2021-11-07 02:28:54,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:28:54,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:28:54,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:28:54,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:28:54,651 INFO L87 Difference]: Start difference. First operand 8023 states and 10506 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:28:55,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:28:55,200 INFO L93 Difference]: Finished difference Result 15986 states and 20941 transitions. [2021-11-07 02:28:55,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:28:55,201 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-07 02:28:55,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:28:55,220 INFO L225 Difference]: With dead ends: 15986 [2021-11-07 02:28:55,220 INFO L226 Difference]: Without dead ends: 8014 [2021-11-07 02:28:55,233 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:28:55,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8014 states. [2021-11-07 02:28:55,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8014 to 8014. [2021-11-07 02:28:55,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8014 states, 7995 states have (on average 1.3125703564727955) internal successors, (10494), 8013 states have internal predecessors, (10494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:28:55,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8014 states to 8014 states and 10494 transitions. [2021-11-07 02:28:55,650 INFO L78 Accepts]: Start accepts. Automaton has 8014 states and 10494 transitions. Word has length 34 [2021-11-07 02:28:55,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:28:55,651 INFO L470 AbstractCegarLoop]: Abstraction has 8014 states and 10494 transitions. [2021-11-07 02:28:55,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:28:55,651 INFO L276 IsEmpty]: Start isEmpty. Operand 8014 states and 10494 transitions. [2021-11-07 02:28:55,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 02:28:55,653 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:28:55,653 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:28:55,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 02:28:55,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:28:55,868 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-07 02:28:55,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:28:55,869 INFO L85 PathProgramCache]: Analyzing trace with hash -588898912, now seen corresponding path program 1 times [2021-11-07 02:28:55,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:28:55,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1459036024] [2021-11-07 02:28:55,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:28:55,870 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:28:55,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:28:55,871 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:28:55,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 02:28:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:28:56,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:28:56,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:28:57,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:28:57,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:28:57,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:28:57,431 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:28:57,431 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1459036024] [2021-11-07 02:28:57,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1459036024] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:28:57,431 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:28:57,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 02:28:57,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774790374] [2021-11-07 02:28:57,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:28:57,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:28:57,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:28:57,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:28:57,433 INFO L87 Difference]: Start difference. First operand 8014 states and 10494 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:28:57,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:28:57,987 INFO L93 Difference]: Finished difference Result 16019 states and 20980 transitions. [2021-11-07 02:28:57,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 02:28:57,988 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-07 02:28:57,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:28:58,007 INFO L225 Difference]: With dead ends: 16019 [2021-11-07 02:28:58,007 INFO L226 Difference]: Without dead ends: 8052 [2021-11-07 02:28:58,020 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:28:58,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8052 states. [2021-11-07 02:28:58,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8052 to 8052. [2021-11-07 02:28:58,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8052 states, 8033 states have (on average 1.3118386655047927) internal successors, (10538), 8051 states have internal predecessors, (10538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:28:58,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8052 states to 8052 states and 10538 transitions. [2021-11-07 02:28:58,496 INFO L78 Accepts]: Start accepts. Automaton has 8052 states and 10538 transitions. Word has length 39 [2021-11-07 02:28:58,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:28:58,496 INFO L470 AbstractCegarLoop]: Abstraction has 8052 states and 10538 transitions. [2021-11-07 02:28:58,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:28:58,496 INFO L276 IsEmpty]: Start isEmpty. Operand 8052 states and 10538 transitions. [2021-11-07 02:28:58,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-07 02:28:58,500 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:28:58,501 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2021-11-07 02:28:58,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 02:28:58,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:28:58,720 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-07 02:28:58,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:28:58,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1640348576, now seen corresponding path program 1 times [2021-11-07 02:28:58,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:28:58,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1347663218] [2021-11-07 02:28:58,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:28:58,722 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:28:58,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:28:58,723 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:28:58,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 02:28:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:28:59,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:28:59,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:29:00,298 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 02:29:00,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:29:00,734 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 02:29:00,735 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:29:00,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1347663218] [2021-11-07 02:29:00,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1347663218] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:29:00,735 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:29:00,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 02:29:00,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614029892] [2021-11-07 02:29:00,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:29:00,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:29:00,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:29:00,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:29:00,737 INFO L87 Difference]: Start difference. First operand 8052 states and 10538 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:29:03,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:29:03,561 INFO L93 Difference]: Finished difference Result 16063 states and 21029 transitions. [2021-11-07 02:29:03,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:29:03,563 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-07 02:29:03,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:29:03,583 INFO L225 Difference]: With dead ends: 16063 [2021-11-07 02:29:03,583 INFO L226 Difference]: Without dead ends: 8044 [2021-11-07 02:29:03,596 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:29:03,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8044 states. [2021-11-07 02:29:03,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8044 to 8044. [2021-11-07 02:29:03,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8044 states, 8025 states have (on average 1.3114018691588785) internal successors, (10524), 8043 states have internal predecessors, (10524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:29:03,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8044 states to 8044 states and 10524 transitions. [2021-11-07 02:29:03,981 INFO L78 Accepts]: Start accepts. Automaton has 8044 states and 10524 transitions. Word has length 65 [2021-11-07 02:29:03,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:29:03,982 INFO L470 AbstractCegarLoop]: Abstraction has 8044 states and 10524 transitions. [2021-11-07 02:29:03,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:29:03,982 INFO L276 IsEmpty]: Start isEmpty. Operand 8044 states and 10524 transitions. [2021-11-07 02:29:03,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-07 02:29:03,984 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:29:03,984 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2021-11-07 02:29:04,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 02:29:04,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:29:04,200 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-07 02:29:04,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:29:04,201 INFO L85 PathProgramCache]: Analyzing trace with hash -498880212, now seen corresponding path program 1 times [2021-11-07 02:29:04,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:29:04,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1597866265] [2021-11-07 02:29:04,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:29:04,202 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:29:04,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:29:04,203 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:29:04,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 02:29:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:29:05,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 927 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-07 02:29:05,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:29:06,341 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-07 02:29:06,341 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:29:07,295 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-07 02:29:07,295 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:29:07,295 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1597866265] [2021-11-07 02:29:07,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1597866265] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:29:07,296 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:29:07,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-07 02:29:07,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237705117] [2021-11-07 02:29:07,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-07 02:29:07,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:29:07,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-07 02:29:07,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-07 02:29:07,298 INFO L87 Difference]: Start difference. First operand 8044 states and 10524 transitions. Second operand has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:29:13,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:29:13,828 INFO L93 Difference]: Finished difference Result 23955 states and 31358 transitions. [2021-11-07 02:29:13,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 02:29:13,829 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2021-11-07 02:29:13,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:29:13,864 INFO L225 Difference]: With dead ends: 23955 [2021-11-07 02:29:13,865 INFO L226 Difference]: Without dead ends: 15922 [2021-11-07 02:29:13,881 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2021-11-07 02:29:13,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15922 states. [2021-11-07 02:29:14,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15922 to 8044. [2021-11-07 02:29:14,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8044 states, 8025 states have (on average 1.311152647975078) internal successors, (10522), 8043 states have internal predecessors, (10522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:29:14,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8044 states to 8044 states and 10522 transitions. [2021-11-07 02:29:14,381 INFO L78 Accepts]: Start accepts. Automaton has 8044 states and 10522 transitions. Word has length 87 [2021-11-07 02:29:14,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:29:14,382 INFO L470 AbstractCegarLoop]: Abstraction has 8044 states and 10522 transitions. [2021-11-07 02:29:14,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:29:14,382 INFO L276 IsEmpty]: Start isEmpty. Operand 8044 states and 10522 transitions. [2021-11-07 02:29:14,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-07 02:29:14,384 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:29:14,384 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2021-11-07 02:29:14,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 02:29:14,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:29:14,600 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-07 02:29:14,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:29:14,601 INFO L85 PathProgramCache]: Analyzing trace with hash 167604416, now seen corresponding path program 1 times [2021-11-07 02:29:14,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:29:14,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [306481246] [2021-11-07 02:29:14,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:29:14,602 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:29:14,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:29:14,603 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:29:14,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 02:29:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:29:16,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 959 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-07 02:29:16,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:29:17,192 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-07 02:29:17,192 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:29:18,031 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-07 02:29:18,031 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:29:18,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [306481246] [2021-11-07 02:29:18,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [306481246] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:29:18,032 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:29:18,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 5] imperfect sequences [] total 14 [2021-11-07 02:29:18,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928977065] [2021-11-07 02:29:18,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-07 02:29:18,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:29:18,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-07 02:29:18,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-07 02:29:18,033 INFO L87 Difference]: Start difference. First operand 8044 states and 10522 transitions. Second operand has 14 states, 14 states have (on average 6.714285714285714) internal successors, (94), 14 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:29:39,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:29:39,366 INFO L93 Difference]: Finished difference Result 23938 states and 31337 transitions. [2021-11-07 02:29:39,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 02:29:39,367 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.714285714285714) internal successors, (94), 14 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-11-07 02:29:39,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:29:39,396 INFO L225 Difference]: With dead ends: 23938 [2021-11-07 02:29:39,397 INFO L226 Difference]: Without dead ends: 15916 [2021-11-07 02:29:39,413 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2021-11-07 02:29:39,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15916 states. [2021-11-07 02:29:40,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15916 to 8044. [2021-11-07 02:29:40,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8044 states, 8025 states have (on average 1.3109034267912774) internal successors, (10520), 8043 states have internal predecessors, (10520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:29:40,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8044 states to 8044 states and 10520 transitions. [2021-11-07 02:29:40,131 INFO L78 Accepts]: Start accepts. Automaton has 8044 states and 10520 transitions. Word has length 93 [2021-11-07 02:29:40,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:29:40,131 INFO L470 AbstractCegarLoop]: Abstraction has 8044 states and 10520 transitions. [2021-11-07 02:29:40,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.714285714285714) internal successors, (94), 14 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:29:40,131 INFO L276 IsEmpty]: Start isEmpty. Operand 8044 states and 10520 transitions. [2021-11-07 02:29:40,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-07 02:29:40,133 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:29:40,133 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2021-11-07 02:29:40,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 02:29:40,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:29:40,348 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-07 02:29:40,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:29:40,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1026254778, now seen corresponding path program 1 times [2021-11-07 02:29:40,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:29:40,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1352777784] [2021-11-07 02:29:40,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:29:40,350 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:29:40,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:29:40,351 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:29:40,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 02:29:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:29:41,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 991 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 02:29:41,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:29:42,499 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-07 02:29:42,499 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:29:43,189 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-07 02:29:43,189 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:29:43,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1352777784] [2021-11-07 02:29:43,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1352777784] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:29:43,190 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:29:43,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 02:29:43,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3202658] [2021-11-07 02:29:43,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:29:43,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:29:43,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:29:43,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:29:43,191 INFO L87 Difference]: Start difference. First operand 8044 states and 10520 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:29:46,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:29:46,873 INFO L93 Difference]: Finished difference Result 23898 states and 31291 transitions. [2021-11-07 02:29:46,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 02:29:46,877 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2021-11-07 02:29:46,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:29:46,901 INFO L225 Difference]: With dead ends: 23898 [2021-11-07 02:29:46,902 INFO L226 Difference]: Without dead ends: 15883 [2021-11-07 02:29:46,912 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-07 02:29:46,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15883 states. [2021-11-07 02:29:47,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15883 to 8044. [2021-11-07 02:29:47,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8044 states, 8025 states have (on average 1.3106542056074766) internal successors, (10518), 8043 states have internal predecessors, (10518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:29:47,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8044 states to 8044 states and 10518 transitions. [2021-11-07 02:29:47,626 INFO L78 Accepts]: Start accepts. Automaton has 8044 states and 10518 transitions. Word has length 99 [2021-11-07 02:29:47,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:29:47,627 INFO L470 AbstractCegarLoop]: Abstraction has 8044 states and 10518 transitions. [2021-11-07 02:29:47,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:29:47,627 INFO L276 IsEmpty]: Start isEmpty. Operand 8044 states and 10518 transitions. [2021-11-07 02:29:47,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-07 02:29:47,629 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:29:47,629 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2021-11-07 02:29:47,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 02:29:47,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:29:47,844 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-07 02:29:47,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:29:47,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1546477216, now seen corresponding path program 1 times [2021-11-07 02:29:47,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:29:47,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1135206889] [2021-11-07 02:29:47,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:29:47,846 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:29:47,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:29:47,847 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:29:47,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 02:29:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:29:49,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 1023 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:29:49,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:29:51,400 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:29:51,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:29:52,633 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:29:52,633 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:29:52,633 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1135206889] [2021-11-07 02:29:52,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1135206889] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:29:52,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [683681870] [2021-11-07 02:29:52,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:29:52,634 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 02:29:52,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 02:29:52,636 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 02:29:52,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-11-07 02:29:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:29:54,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 1023 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:29:54,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:29:56,406 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:29:56,407 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:29:57,430 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:29:57,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [683681870] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:29:57,431 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631693655] [2021-11-07 02:29:57,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:29:57,431 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:29:57,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:29:57,433 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:29:57,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-07 02:29:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:29:58,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 1023 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:29:58,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:29:59,846 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-07 02:29:59,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:30:01,191 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-07 02:30:01,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631693655] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:30:01,191 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-11-07 02:30:01,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6, 6, 6, 6] total 14 [2021-11-07 02:30:01,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624336762] [2021-11-07 02:30:01,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:30:01,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:30:01,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:30:01,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-11-07 02:30:01,194 INFO L87 Difference]: Start difference. First operand 8044 states and 10518 transitions. Second operand has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:30:07,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:30:07,005 INFO L93 Difference]: Finished difference Result 31926 states and 41896 transitions. [2021-11-07 02:30:07,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 02:30:07,006 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2021-11-07 02:30:07,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:30:07,042 INFO L225 Difference]: With dead ends: 31926 [2021-11-07 02:30:07,042 INFO L226 Difference]: Without dead ends: 27899 [2021-11-07 02:30:07,049 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 625 GetRequests, 612 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2021-11-07 02:30:07,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27899 states. [2021-11-07 02:30:09,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27899 to 23806. [2021-11-07 02:30:09,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23806 states, 23787 states have (on average 1.3128179257577668) internal successors, (31228), 23805 states have internal predecessors, (31228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:30:09,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23806 states to 23806 states and 31228 transitions. [2021-11-07 02:30:09,419 INFO L78 Accepts]: Start accepts. Automaton has 23806 states and 31228 transitions. Word has length 105 [2021-11-07 02:30:09,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:30:09,420 INFO L470 AbstractCegarLoop]: Abstraction has 23806 states and 31228 transitions. [2021-11-07 02:30:09,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:30:09,420 INFO L276 IsEmpty]: Start isEmpty. Operand 23806 states and 31228 transitions. [2021-11-07 02:30:09,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-07 02:30:09,422 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:30:09,422 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2021-11-07 02:30:09,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2021-11-07 02:30:09,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-07 02:30:09,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-11-07 02:30:10,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:30:10,025 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-07 02:30:10,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:30:10,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1153450206, now seen corresponding path program 1 times [2021-11-07 02:30:10,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:30:10,026 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [56293148] [2021-11-07 02:30:10,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:30:10,026 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:30:10,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:30:10,027 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:30:10,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-07 02:30:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:30:11,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:30:11,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:30:13,725 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:30:13,725 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:30:14,971 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:30:14,971 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:30:14,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [56293148] [2021-11-07 02:30:14,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [56293148] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:30:14,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [409821933] [2021-11-07 02:30:14,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:30:14,972 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 02:30:14,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 02:30:14,973 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 02:30:14,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2021-11-07 02:30:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:30:17,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:30:17,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:30:18,927 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:30:18,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:30:19,937 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:30:19,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [409821933] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:30:19,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141317696] [2021-11-07 02:30:19,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:30:19,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:30:19,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:30:19,939 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:30:19,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-07 02:30:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:30:21,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:30:21,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:30:23,148 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:30:23,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:30:24,169 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:30:24,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141317696] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:30:24,169 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 02:30:24,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 10 [2021-11-07 02:30:24,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888985122] [2021-11-07 02:30:24,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 02:30:24,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:30:24,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 02:30:24,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-07 02:30:24,172 INFO L87 Difference]: Start difference. First operand 23806 states and 31228 transitions. Second operand has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:30:26,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:30:26,526 INFO L93 Difference]: Finished difference Result 47667 states and 62514 transitions. [2021-11-07 02:30:26,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 02:30:26,527 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2021-11-07 02:30:26,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:30:26,554 INFO L225 Difference]: With dead ends: 47667 [2021-11-07 02:30:26,554 INFO L226 Difference]: Without dead ends: 23938 [2021-11-07 02:30:26,569 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 616 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2021-11-07 02:30:26,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23938 states. [2021-11-07 02:30:28,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23938 to 23938. [2021-11-07 02:30:28,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23938 states, 23919 states have (on average 1.3110916008194322) internal successors, (31360), 23937 states have internal predecessors, (31360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:30:28,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23938 states to 23938 states and 31360 transitions. [2021-11-07 02:30:28,779 INFO L78 Accepts]: Start accepts. Automaton has 23938 states and 31360 transitions. Word has length 105 [2021-11-07 02:30:28,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:30:28,780 INFO L470 AbstractCegarLoop]: Abstraction has 23938 states and 31360 transitions. [2021-11-07 02:30:28,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:30:28,780 INFO L276 IsEmpty]: Start isEmpty. Operand 23938 states and 31360 transitions. [2021-11-07 02:30:28,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-07 02:30:28,782 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:30:28,783 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:30:28,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2021-11-07 02:30:29,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-11-07 02:30:29,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-11-07 02:30:29,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:30:29,394 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-07 02:30:29,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:30:29,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1587412258, now seen corresponding path program 2 times [2021-11-07 02:30:29,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:30:29,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026760785] [2021-11-07 02:30:29,396 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 02:30:29,396 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:30:29,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:30:29,397 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:30:29,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-07 02:30:30,927 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-07 02:30:30,927 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:30:30,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-07 02:30:30,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:30:31,703 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2021-11-07 02:30:31,703 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:30:32,378 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2021-11-07 02:30:32,379 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:30:32,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2026760785] [2021-11-07 02:30:32,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2026760785] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:30:32,379 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:30:32,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2021-11-07 02:30:32,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735720618] [2021-11-07 02:30:32,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:30:32,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:30:32,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:30:32,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:30:32,381 INFO L87 Difference]: Start difference. First operand 23938 states and 31360 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:30:49,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:30:49,152 INFO L93 Difference]: Finished difference Result 162830 states and 213704 transitions. [2021-11-07 02:30:49,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 02:30:49,154 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 237 [2021-11-07 02:30:49,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:30:49,372 INFO L225 Difference]: With dead ends: 162830 [2021-11-07 02:30:49,373 INFO L226 Difference]: Without dead ends: 139109 [2021-11-07 02:30:49,421 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 471 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-07 02:30:49,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139109 states. [2021-11-07 02:30:55,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139109 to 47279. [2021-11-07 02:30:55,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47279 states, 47260 states have (on average 1.311891663140076) internal successors, (62000), 47278 states have internal predecessors, (62000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:30:55,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47279 states to 47279 states and 62000 transitions. [2021-11-07 02:30:55,322 INFO L78 Accepts]: Start accepts. Automaton has 47279 states and 62000 transitions. Word has length 237 [2021-11-07 02:30:55,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:30:55,323 INFO L470 AbstractCegarLoop]: Abstraction has 47279 states and 62000 transitions. [2021-11-07 02:30:55,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:30:55,323 INFO L276 IsEmpty]: Start isEmpty. Operand 47279 states and 62000 transitions. [2021-11-07 02:30:55,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-07 02:30:55,327 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:30:55,327 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:30:55,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-07 02:30:55,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:30:55,528 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-07 02:30:55,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:30:55,528 INFO L85 PathProgramCache]: Analyzing trace with hash 545416490, now seen corresponding path program 1 times [2021-11-07 02:30:55,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:30:55,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [502458318] [2021-11-07 02:30:55,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:30:55,530 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:30:55,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:30:55,531 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:30:55,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-07 02:30:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:30:59,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 1894 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 02:30:59,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:31:04,761 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 501 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:31:04,761 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:31:08,140 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 501 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:31:08,141 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:31:08,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [502458318] [2021-11-07 02:31:08,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [502458318] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:31:08,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [635579512] [2021-11-07 02:31:08,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:31:08,141 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 02:31:08,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 02:31:08,142 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 02:31:08,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c2c4f-876d-4d07-a989-c2140293da0e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process