./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.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_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/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_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/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_ec0ada19-b29c-418c-a687-cae57944f1ec/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 08a377ea5583d5b51d35b7880dbbb43c3783bcaabfa79c83938a2c0ac78e3f7a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:31:21,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:31:21,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:31:21,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:31:21,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:31:21,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:31:21,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:31:21,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:31:21,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:31:21,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:31:21,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:31:21,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:31:21,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:31:21,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:31:21,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:31:21,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:31:21,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:31:21,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:31:21,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:31:21,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:31:21,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:31:21,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:31:21,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:31:21,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:31:21,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:31:21,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:31:21,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:31:21,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:31:21,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:31:21,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:31:21,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:31:21,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:31:21,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:31:21,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:31:21,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:31:21,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:31:21,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:31:21,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:31:21,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:31:21,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:31:21,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:31:21,450 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 01:31:21,501 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:31:21,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:31:21,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:31:21,503 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:31:21,503 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:31:21,504 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:31:21,504 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:31:21,504 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:31:21,510 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:31:21,511 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:31:21,512 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:31:21,512 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:31:21,513 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:31:21,513 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:31:21,513 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:31:21,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:31:21,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:31:21,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:31:21,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:31:21,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:31:21,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:31:21,515 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:31:21,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:31:21,516 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:31:21,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:31:21,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:31:21,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:31:21,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:31:21,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:31:21,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:31:21,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:31:21,520 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:31:21,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:31:21,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:31:21,521 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:31:21,521 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:31:21,521 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_ec0ada19-b29c-418c-a687-cae57944f1ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08a377ea5583d5b51d35b7880dbbb43c3783bcaabfa79c83938a2c0ac78e3f7a [2021-11-07 01:31:21,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:31:21,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:31:21,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:31:21,814 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:31:21,815 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:31:21,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i [2021-11-07 01:31:21,888 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/data/436ccd5a8/8bcd22899f694417b148f34fcc5529d7/FLAG2dbe91036 [2021-11-07 01:31:22,799 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:31:22,800 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i [2021-11-07 01:31:22,876 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/data/436ccd5a8/8bcd22899f694417b148f34fcc5529d7/FLAG2dbe91036 [2021-11-07 01:31:23,257 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/data/436ccd5a8/8bcd22899f694417b148f34fcc5529d7 [2021-11-07 01:31:23,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:31:23,264 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:31:23,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:31:23,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:31:23,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:31:23,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:31:23" (1/1) ... [2021-11-07 01:31:23,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb3085c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:23, skipping insertion in model container [2021-11-07 01:31:23,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:31:23" (1/1) ... [2021-11-07 01:31:23,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:31:23,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:31:25,288 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 01:31:25,314 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 01:31:25,316 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 01:31:26,337 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_ec0ada19-b29c-418c-a687-cae57944f1ec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[331922,331935] [2021-11-07 01:31:26,340 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_ec0ada19-b29c-418c-a687-cae57944f1ec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332091,332104] [2021-11-07 01:31:26,341 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_ec0ada19-b29c-418c-a687-cae57944f1ec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332258,332271] [2021-11-07 01:31:26,342 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_ec0ada19-b29c-418c-a687-cae57944f1ec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332426,332439] [2021-11-07 01:31:26,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:31:26,468 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 01:31:26,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55b08daa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:26, skipping insertion in model container [2021-11-07 01:31:26,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:31:26,469 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:31:26,472 INFO L168 Benchmark]: Toolchain (without parser) took 3206.16 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 68.6 MB in the beginning and 66.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 72.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:31:26,472 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 96.5 MB. Free memory is still 49.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:31:26,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3202.15 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 68.6 MB in the beginning and 66.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 72.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:31:26,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 96.5 MB. Free memory is still 49.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3202.15 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 68.6 MB in the beginning and 66.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 72.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6363]: 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_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/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_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/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_ec0ada19-b29c-418c-a687-cae57944f1ec/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 08a377ea5583d5b51d35b7880dbbb43c3783bcaabfa79c83938a2c0ac78e3f7a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:31:28,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:31:28,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:31:28,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:31:28,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:31:28,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:31:28,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:31:28,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:31:28,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:31:28,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:31:28,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:31:28,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:31:28,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:31:28,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:31:28,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:31:28,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:31:28,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:31:28,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:31:28,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:31:28,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:31:28,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:31:28,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:31:28,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:31:28,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:31:28,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:31:28,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:31:28,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:31:28,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:31:28,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:31:28,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:31:28,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:31:28,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:31:28,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:31:28,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:31:28,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:31:28,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:31:28,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:31:28,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:31:28,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:31:28,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:31:28,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:31:28,821 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 01:31:28,847 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:31:28,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:31:28,848 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:31:28,848 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:31:28,849 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:31:28,849 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:31:28,849 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:31:28,849 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:31:28,849 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:31:28,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:31:28,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:31:28,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:31:28,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:31:28,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:31:28,851 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:31:28,852 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:31:28,852 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:31:28,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:31:28,852 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:31:28,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:31:28,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:31:28,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:31:28,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:31:28,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:31:28,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:31:28,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:31:28,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:31:28,854 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:31:28,854 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:31:28,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:31:28,855 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:31:28,855 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:31:28,855 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_ec0ada19-b29c-418c-a687-cae57944f1ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08a377ea5583d5b51d35b7880dbbb43c3783bcaabfa79c83938a2c0ac78e3f7a [2021-11-07 01:31:29,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:31:29,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:31:29,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:31:29,311 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:31:29,312 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:31:29,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i [2021-11-07 01:31:29,408 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/data/d694d9b73/ed7ce9cc23574d379d3c7364789920d1/FLAG20cc48141 [2021-11-07 01:31:30,363 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:31:30,364 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i [2021-11-07 01:31:30,435 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/data/d694d9b73/ed7ce9cc23574d379d3c7364789920d1/FLAG20cc48141 [2021-11-07 01:31:30,749 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/data/d694d9b73/ed7ce9cc23574d379d3c7364789920d1 [2021-11-07 01:31:30,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:31:30,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:31:30,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:31:30,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:31:30,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:31:30,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:31:30" (1/1) ... [2021-11-07 01:31:30,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d77e67f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:30, skipping insertion in model container [2021-11-07 01:31:30,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:31:30" (1/1) ... [2021-11-07 01:31:30,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:31:30,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:31:34,174 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_ec0ada19-b29c-418c-a687-cae57944f1ec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[331922,331935] [2021-11-07 01:31:34,177 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_ec0ada19-b29c-418c-a687-cae57944f1ec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332091,332104] [2021-11-07 01:31:34,178 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_ec0ada19-b29c-418c-a687-cae57944f1ec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332258,332271] [2021-11-07 01:31:34,179 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_ec0ada19-b29c-418c-a687-cae57944f1ec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332426,332439] [2021-11-07 01:31:34,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:31:34,279 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:31:34,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:31:34,766 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_ec0ada19-b29c-418c-a687-cae57944f1ec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[331922,331935] [2021-11-07 01:31:34,767 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_ec0ada19-b29c-418c-a687-cae57944f1ec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332091,332104] [2021-11-07 01:31:34,768 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_ec0ada19-b29c-418c-a687-cae57944f1ec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332258,332271] [2021-11-07 01:31:34,768 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_ec0ada19-b29c-418c-a687-cae57944f1ec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332426,332439] [2021-11-07 01:31:34,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:31:34,811 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:31:35,216 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_ec0ada19-b29c-418c-a687-cae57944f1ec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[331922,331935] [2021-11-07 01:31:35,216 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_ec0ada19-b29c-418c-a687-cae57944f1ec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332091,332104] [2021-11-07 01:31:35,218 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_ec0ada19-b29c-418c-a687-cae57944f1ec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332258,332271] [2021-11-07 01:31:35,219 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_ec0ada19-b29c-418c-a687-cae57944f1ec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332426,332439] [2021-11-07 01:31:35,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:31:35,651 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:31:35,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:35 WrapperNode [2021-11-07 01:31:35,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:31:35,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:31:35,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:31:35,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:31:35,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:35" (1/1) ... [2021-11-07 01:31:35,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:35" (1/1) ... [2021-11-07 01:31:36,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:31:36,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:31:36,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:31:36,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:31:36,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:35" (1/1) ... [2021-11-07 01:31:36,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:35" (1/1) ... [2021-11-07 01:31:36,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:35" (1/1) ... [2021-11-07 01:31:36,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:35" (1/1) ... [2021-11-07 01:31:36,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:35" (1/1) ... [2021-11-07 01:31:36,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:35" (1/1) ... [2021-11-07 01:31:36,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:35" (1/1) ... [2021-11-07 01:31:36,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:31:36,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:31:36,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:31:36,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:31:36,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:35" (1/1) ... [2021-11-07 01:31:36,988 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:31:36,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:31:37,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:31:37,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:31:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 01:31:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:31:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-07 01:31:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:31:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:31:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 01:31:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:31:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:31:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-07 01:31:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-07 01:31:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-07 01:31:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-07 01:31:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:31:37,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:31:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 01:31:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 01:31:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 01:31:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 01:31:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 01:31:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 01:31:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:31:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:31:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 01:31:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 01:31:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 01:31:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 01:31:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:31:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 01:31:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-07 01:31:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-07 01:31:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-07 01:33:35,142 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0bv32; [2021-11-07 01:33:35,142 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0bv32; [2021-11-07 01:33:35,142 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0bv32; [2021-11-07 01:33:35,143 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0bv32; [2021-11-07 01:33:35,143 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0bv32; [2021-11-07 01:33:35,143 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-07 01:33:35,188 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:33:35,189 INFO L299 CfgBuilder]: Removed 3504 assume(true) statements. [2021-11-07 01:33:35,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:33:35 BoogieIcfgContainer [2021-11-07 01:33:35,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:33:35,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:33:35,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:33:35,204 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:33:35,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:31:30" (1/3) ... [2021-11-07 01:33:35,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f590e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:33:35, skipping insertion in model container [2021-11-07 01:33:35,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:35" (2/3) ... [2021-11-07 01:33:35,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f590e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:33:35, skipping insertion in model container [2021-11-07 01:33:35,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:33:35" (3/3) ... [2021-11-07 01:33:35,209 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i [2021-11-07 01:33:35,215 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:33:35,215 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 49 error locations. [2021-11-07 01:33:35,293 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:33:35,307 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 01:33:35,307 INFO L340 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2021-11-07 01:33:35,373 INFO L276 IsEmpty]: Start isEmpty. Operand has 3325 states, 3276 states have (on average 1.3427960927960927) internal successors, (4399), 3324 states have internal predecessors, (4399), 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 01:33:35,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-07 01:33:35,384 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:33:35,385 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, 1, 1, 1, 1, 1, 1] [2021-11-07 01:33:35,385 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 46 more)] === [2021-11-07 01:33:35,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:33:35,390 INFO L85 PathProgramCache]: Analyzing trace with hash -113139560, now seen corresponding path program 1 times [2021-11-07 01:33:35,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:33:35,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1895568644] [2021-11-07 01:33:35,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:33:35,408 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:33:35,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:33:35,415 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:33:35,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:33:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:33:38,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 1488 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:33:38,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:33:38,528 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 01:33:38,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:33:38,678 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 01:33:38,679 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:33:38,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1895568644] [2021-11-07 01:33:38,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1895568644] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:33:38,681 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:33:38,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:33:38,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702424694] [2021-11-07 01:33:38,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:33:38,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:33:38,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:33:38,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:33:38,711 INFO L87 Difference]: Start difference. First operand has 3325 states, 3276 states have (on average 1.3427960927960927) internal successors, (4399), 3324 states have internal predecessors, (4399), 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 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 01:33:41,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:33:41,628 INFO L93 Difference]: Finished difference Result 12568 states and 16667 transitions. [2021-11-07 01:33:41,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:33:41,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 45 [2021-11-07 01:33:41,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:33:41,708 INFO L225 Difference]: With dead ends: 12568 [2021-11-07 01:33:41,708 INFO L226 Difference]: Without dead ends: 8979 [2021-11-07 01:33:41,726 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 86 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 01:33:41,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8979 states. [2021-11-07 01:33:42,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8979 to 8939. [2021-11-07 01:33:42,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8939 states, 8890 states have (on average 1.2879640044994376) internal successors, (11450), 8938 states have internal predecessors, (11450), 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 01:33:42,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8939 states to 8939 states and 11450 transitions. [2021-11-07 01:33:42,151 INFO L78 Accepts]: Start accepts. Automaton has 8939 states and 11450 transitions. Word has length 45 [2021-11-07 01:33:42,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:33:42,152 INFO L470 AbstractCegarLoop]: Abstraction has 8939 states and 11450 transitions. [2021-11-07 01:33:42,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 01:33:42,152 INFO L276 IsEmpty]: Start isEmpty. Operand 8939 states and 11450 transitions. [2021-11-07 01:33:42,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-07 01:33:42,161 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:33:42,162 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:33:42,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:33:42,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:33:42,388 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 46 more)] === [2021-11-07 01:33:42,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:33:42,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1051115891, now seen corresponding path program 1 times [2021-11-07 01:33:42,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:33:42,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1156872312] [2021-11-07 01:33:42,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:33:42,392 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:33:42,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:33:42,393 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:33:42,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:33:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:33:45,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 1520 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:33:45,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:33:45,485 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 01:33:45,485 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:33:45,651 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 01:33:45,652 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:33:45,652 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1156872312] [2021-11-07 01:33:45,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1156872312] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:33:45,652 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:33:45,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:33:45,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951916431] [2021-11-07 01:33:45,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:33:45,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:33:45,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:33:45,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:33:45,656 INFO L87 Difference]: Start difference. First operand 8939 states and 11450 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 01:33:49,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:33:49,140 INFO L93 Difference]: Finished difference Result 29691 states and 38107 transitions. [2021-11-07 01:33:49,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:33:49,142 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 48 [2021-11-07 01:33:49,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:33:49,275 INFO L225 Difference]: With dead ends: 29691 [2021-11-07 01:33:49,275 INFO L226 Difference]: Without dead ends: 20828 [2021-11-07 01:33:49,298 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 92 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 01:33:49,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20828 states. [2021-11-07 01:33:50,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20828 to 19298. [2021-11-07 01:33:50,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19298 states, 19249 states have (on average 1.297989505948361) internal successors, (24985), 19297 states have internal predecessors, (24985), 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 01:33:50,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19298 states to 19298 states and 24985 transitions. [2021-11-07 01:33:50,378 INFO L78 Accepts]: Start accepts. Automaton has 19298 states and 24985 transitions. Word has length 48 [2021-11-07 01:33:50,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:33:50,378 INFO L470 AbstractCegarLoop]: Abstraction has 19298 states and 24985 transitions. [2021-11-07 01:33:50,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 01:33:50,379 INFO L276 IsEmpty]: Start isEmpty. Operand 19298 states and 24985 transitions. [2021-11-07 01:33:50,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 01:33:50,383 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:33:50,383 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:33:50,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-07 01:33:50,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:33:50,600 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 46 more)] === [2021-11-07 01:33:50,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:33:50,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1663310419, now seen corresponding path program 1 times [2021-11-07 01:33:50,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:33:50,603 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1289926478] [2021-11-07 01:33:50,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:33:50,605 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:33:50,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:33:50,606 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:33:50,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:33:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:33:53,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 1497 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:33:53,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:33:53,744 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 01:33:53,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:33:53,916 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 01:33:53,917 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:33:53,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1289926478] [2021-11-07 01:33:53,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1289926478] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:33:53,917 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:33:53,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:33:53,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013565973] [2021-11-07 01:33:53,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:33:53,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:33:53,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:33:53,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:33:53,922 INFO L87 Difference]: Start difference. First operand 19298 states and 24985 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 01:33:57,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:33:57,700 INFO L93 Difference]: Finished difference Result 54174 states and 70136 transitions. [2021-11-07 01:33:57,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:33:57,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 51 [2021-11-07 01:33:57,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:33:57,790 INFO L225 Difference]: With dead ends: 54174 [2021-11-07 01:33:57,790 INFO L226 Difference]: Without dead ends: 34952 [2021-11-07 01:33:57,827 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 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 01:33:57,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34952 states. [2021-11-07 01:33:59,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34952 to 32945. [2021-11-07 01:33:59,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32945 states, 32896 states have (on average 1.2988509241245136) internal successors, (42727), 32944 states have internal predecessors, (42727), 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 01:33:59,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32945 states to 32945 states and 42727 transitions. [2021-11-07 01:33:59,435 INFO L78 Accepts]: Start accepts. Automaton has 32945 states and 42727 transitions. Word has length 51 [2021-11-07 01:33:59,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:33:59,437 INFO L470 AbstractCegarLoop]: Abstraction has 32945 states and 42727 transitions. [2021-11-07 01:33:59,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 01:33:59,438 INFO L276 IsEmpty]: Start isEmpty. Operand 32945 states and 42727 transitions. [2021-11-07 01:33:59,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-07 01:33:59,441 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:33:59,442 INFO L513 BasicCegarLoop]: trace histogram [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, 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 01:33:59,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:33:59,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:33:59,668 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 46 more)] === [2021-11-07 01:33:59,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:33:59,668 INFO L85 PathProgramCache]: Analyzing trace with hash 588459864, now seen corresponding path program 1 times [2021-11-07 01:33:59,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:33:59,671 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1988362308] [2021-11-07 01:33:59,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:33:59,671 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:33:59,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:33:59,675 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:33:59,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:34:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:02,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 1580 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:34:02,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:02,678 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:02,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:02,873 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:02,874 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:02,874 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1988362308] [2021-11-07 01:34:02,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1988362308] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:02,874 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:34:02,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:34:02,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008868756] [2021-11-07 01:34:02,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:34:02,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:02,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:34:02,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:34:02,876 INFO L87 Difference]: Start difference. First operand 32945 states and 42727 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 01:34:06,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:06,924 INFO L93 Difference]: Finished difference Result 76645 states and 99452 transitions. [2021-11-07 01:34:06,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:34:06,925 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 75 [2021-11-07 01:34:06,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:07,076 INFO L225 Difference]: With dead ends: 76645 [2021-11-07 01:34:07,076 INFO L226 Difference]: Without dead ends: 54609 [2021-11-07 01:34:07,111 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 146 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 01:34:07,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54609 states. [2021-11-07 01:34:09,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54609 to 54569. [2021-11-07 01:34:09,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54569 states, 54520 states have (on average 1.2992479823917829) internal successors, (70835), 54568 states have internal predecessors, (70835), 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 01:34:09,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54569 states to 54569 states and 70835 transitions. [2021-11-07 01:34:09,382 INFO L78 Accepts]: Start accepts. Automaton has 54569 states and 70835 transitions. Word has length 75 [2021-11-07 01:34:09,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:09,383 INFO L470 AbstractCegarLoop]: Abstraction has 54569 states and 70835 transitions. [2021-11-07 01:34:09,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 01:34:09,384 INFO L276 IsEmpty]: Start isEmpty. Operand 54569 states and 70835 transitions. [2021-11-07 01:34:09,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-07 01:34:09,386 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:09,387 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:34:09,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:09,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:09,608 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 46 more)] === [2021-11-07 01:34:09,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:09,608 INFO L85 PathProgramCache]: Analyzing trace with hash 820923817, now seen corresponding path program 1 times [2021-11-07 01:34:09,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:09,611 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1520836091] [2021-11-07 01:34:09,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:09,611 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:09,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:09,613 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:09,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:34:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:12,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 1551 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:34:12,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:12,854 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:34:12,855 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:13,597 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:34:13,598 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:13,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1520836091] [2021-11-07 01:34:13,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1520836091] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:13,598 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:34:13,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:34:13,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640410966] [2021-11-07 01:34:13,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:34:13,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:13,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:34:13,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:34:13,600 INFO L87 Difference]: Start difference. First operand 54569 states and 70835 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 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 01:34:15,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:15,974 INFO L93 Difference]: Finished difference Result 54569 states and 70835 transitions. [2021-11-07 01:34:15,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:34:15,975 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 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 75 [2021-11-07 01:34:15,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:16,099 INFO L225 Difference]: With dead ends: 54569 [2021-11-07 01:34:16,099 INFO L226 Difference]: Without dead ends: 54563 [2021-11-07 01:34:16,110 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:34:16,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54563 states. [2021-11-07 01:34:18,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54563 to 54563. [2021-11-07 01:34:18,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54563 states, 54517 states have (on average 1.299209420914577) internal successors, (70829), 54562 states have internal predecessors, (70829), 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 01:34:18,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54563 states to 54563 states and 70829 transitions. [2021-11-07 01:34:18,517 INFO L78 Accepts]: Start accepts. Automaton has 54563 states and 70829 transitions. Word has length 75 [2021-11-07 01:34:18,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:18,518 INFO L470 AbstractCegarLoop]: Abstraction has 54563 states and 70829 transitions. [2021-11-07 01:34:18,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 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 01:34:18,519 INFO L276 IsEmpty]: Start isEmpty. Operand 54563 states and 70829 transitions. [2021-11-07 01:34:18,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-07 01:34:18,522 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:18,522 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:34:18,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:18,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:18,736 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 46 more)] === [2021-11-07 01:34:18,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:18,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1366046868, now seen corresponding path program 1 times [2021-11-07 01:34:18,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:18,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [996499570] [2021-11-07 01:34:18,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:18,739 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:18,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:18,740 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:18,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:34:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:21,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 1554 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:34:21,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:21,894 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:34:21,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:22,402 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:34:22,402 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:22,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [996499570] [2021-11-07 01:34:22,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [996499570] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:22,402 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:34:22,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:34:22,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174455824] [2021-11-07 01:34:22,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:34:22,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:22,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:34:22,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:34:22,404 INFO L87 Difference]: Start difference. First operand 54563 states and 70829 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 01:34:24,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:24,749 INFO L93 Difference]: Finished difference Result 54563 states and 70829 transitions. [2021-11-07 01:34:24,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:34:24,750 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 77 [2021-11-07 01:34:24,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:24,854 INFO L225 Difference]: With dead ends: 54563 [2021-11-07 01:34:24,854 INFO L226 Difference]: Without dead ends: 54557 [2021-11-07 01:34:24,868 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:34:24,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54557 states. [2021-11-07 01:34:27,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54557 to 54557. [2021-11-07 01:34:27,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54557 states, 54514 states have (on average 1.2991708551931613) internal successors, (70823), 54556 states have internal predecessors, (70823), 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 01:34:27,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54557 states to 54557 states and 70823 transitions. [2021-11-07 01:34:27,436 INFO L78 Accepts]: Start accepts. Automaton has 54557 states and 70823 transitions. Word has length 77 [2021-11-07 01:34:27,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:27,436 INFO L470 AbstractCegarLoop]: Abstraction has 54557 states and 70823 transitions. [2021-11-07 01:34:27,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 01:34:27,437 INFO L276 IsEmpty]: Start isEmpty. Operand 54557 states and 70823 transitions. [2021-11-07 01:34:27,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-07 01:34:27,440 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:27,440 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:34:27,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:27,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:27,664 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 46 more)] === [2021-11-07 01:34:27,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:27,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1489100207, now seen corresponding path program 1 times [2021-11-07 01:34:27,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:27,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1415994390] [2021-11-07 01:34:27,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:27,666 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:27,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:27,667 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:27,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:34:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:30,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 1557 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:34:30,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:30,814 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:34:30,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:31,296 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:34:31,296 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:31,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1415994390] [2021-11-07 01:34:31,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1415994390] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:31,296 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:34:31,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:34:31,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062271968] [2021-11-07 01:34:31,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:34:31,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:31,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:34:31,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:34:31,300 INFO L87 Difference]: Start difference. First operand 54557 states and 70823 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 01:34:33,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:33,859 INFO L93 Difference]: Finished difference Result 54557 states and 70823 transitions. [2021-11-07 01:34:33,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:34:33,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 79 [2021-11-07 01:34:33,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:33,928 INFO L225 Difference]: With dead ends: 54557 [2021-11-07 01:34:33,928 INFO L226 Difference]: Without dead ends: 54551 [2021-11-07 01:34:33,937 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:34:33,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54551 states. [2021-11-07 01:34:36,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54551 to 54551. [2021-11-07 01:34:36,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54551 states, 54511 states have (on average 1.299132285226835) internal successors, (70817), 54550 states have internal predecessors, (70817), 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 01:34:36,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54551 states to 54551 states and 70817 transitions. [2021-11-07 01:34:36,477 INFO L78 Accepts]: Start accepts. Automaton has 54551 states and 70817 transitions. Word has length 79 [2021-11-07 01:34:36,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:36,478 INFO L470 AbstractCegarLoop]: Abstraction has 54551 states and 70817 transitions. [2021-11-07 01:34:36,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 01:34:36,478 INFO L276 IsEmpty]: Start isEmpty. Operand 54551 states and 70817 transitions. [2021-11-07 01:34:36,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-07 01:34:36,482 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:36,483 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:34:36,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:36,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:36,701 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 46 more)] === [2021-11-07 01:34:36,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:36,702 INFO L85 PathProgramCache]: Analyzing trace with hash 801337458, now seen corresponding path program 1 times [2021-11-07 01:34:36,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:36,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1540683922] [2021-11-07 01:34:36,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:36,704 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:36,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:36,705 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:36,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:34:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:39,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 1560 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:34:39,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:40,029 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:34:40,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:40,532 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:34:40,532 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:40,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1540683922] [2021-11-07 01:34:40,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1540683922] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:40,532 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:34:40,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:34:40,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463199062] [2021-11-07 01:34:40,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:34:40,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:40,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:34:40,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:34:40,534 INFO L87 Difference]: Start difference. First operand 54551 states and 70817 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 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 01:34:43,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:43,209 INFO L93 Difference]: Finished difference Result 54551 states and 70817 transitions. [2021-11-07 01:34:43,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:34:43,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 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 81 [2021-11-07 01:34:43,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:43,280 INFO L225 Difference]: With dead ends: 54551 [2021-11-07 01:34:43,280 INFO L226 Difference]: Without dead ends: 54545 [2021-11-07 01:34:43,293 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:34:43,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54545 states. [2021-11-07 01:34:45,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54545 to 54545. [2021-11-07 01:34:45,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54545 states, 54508 states have (on average 1.2990937110148968) internal successors, (70811), 54544 states have internal predecessors, (70811), 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 01:34:45,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54545 states to 54545 states and 70811 transitions. [2021-11-07 01:34:45,689 INFO L78 Accepts]: Start accepts. Automaton has 54545 states and 70811 transitions. Word has length 81 [2021-11-07 01:34:45,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:45,690 INFO L470 AbstractCegarLoop]: Abstraction has 54545 states and 70811 transitions. [2021-11-07 01:34:45,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 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 01:34:45,690 INFO L276 IsEmpty]: Start isEmpty. Operand 54545 states and 70811 transitions. [2021-11-07 01:34:45,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-07 01:34:45,694 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:45,694 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:34:45,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:45,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:45,908 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 46 more)] === [2021-11-07 01:34:45,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:45,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1286299573, now seen corresponding path program 1 times [2021-11-07 01:34:45,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:45,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [224275123] [2021-11-07 01:34:45,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:45,910 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:45,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:45,911 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:45,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ada19-b29c-418c-a687-cae57944f1ec/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:34:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:48,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 1563 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:34:48,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:49,386 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:34:49,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:49,870 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:34:49,870 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:49,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [224275123] [2021-11-07 01:34:49,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [224275123] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:49,870 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:34:49,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:34:49,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033962184] [2021-11-07 01:34:49,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:34:49,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:49,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:34:49,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:34:49,872 INFO L87 Difference]: Start difference. First operand 54545 states and 70811 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 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 01:34:52,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:52,965 INFO L93 Difference]: Finished difference Result 54545 states and 70811 transitions. [2021-11-07 01:34:52,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:34:52,965 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 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 83 [2021-11-07 01:34:52,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:53,044 INFO L225 Difference]: With dead ends: 54545 [2021-11-07 01:34:53,044 INFO L226 Difference]: Without dead ends: 54539 [2021-11-07 01:34:53,055 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:34:53,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54539 states.