./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/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_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/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_e3feb38b-b89a-4712-a3cc-991157410e86/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 1ad6d1ed8310d8e3264189ac87472d58c77647a0c63d75779b5974e889987542 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:59:31,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:59:31,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:59:31,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:59:31,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:59:31,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:59:31,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:59:31,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:59:31,638 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:59:31,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:59:31,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:59:31,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:59:31,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:59:31,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:59:31,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:59:31,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:59:31,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:59:31,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:59:31,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:59:31,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:59:31,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:59:31,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:59:31,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:59:31,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:59:31,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:59:31,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:59:31,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:59:31,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:59:31,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:59:31,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:59:31,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:59:31,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:59:31,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:59:31,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:59:31,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:59:31,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:59:31,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:59:31,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:59:31,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:59:31,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:59:31,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:59:31,678 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 00:59:31,700 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:59:31,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:59:31,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:59:31,704 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:59:31,705 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:59:31,705 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:59:31,705 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:59:31,705 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:59:31,706 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:59:31,706 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:59:31,707 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:59:31,707 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:59:31,707 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:59:31,708 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:59:31,708 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:59:31,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:59:31,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:59:31,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:59:31,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:59:31,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:59:31,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:59:31,710 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:59:31,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:59:31,710 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:59:31,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:59:31,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:59:31,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:59:31,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:59:31,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:59:31,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:59:31,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:59:31,714 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:59:31,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:59:31,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:59:31,715 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:59:31,715 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:59:31,715 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_e3feb38b-b89a-4712-a3cc-991157410e86/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ad6d1ed8310d8e3264189ac87472d58c77647a0c63d75779b5974e889987542 [2021-11-07 00:59:32,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:59:32,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:59:32,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:59:32,040 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:59:32,041 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:59:32,042 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2021-11-07 00:59:32,115 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/data/72e9d1ac5/57c0ef9da70b47b3ad3d1edf87f97516/FLAG74db80208 [2021-11-07 00:59:32,890 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:59:32,911 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2021-11-07 00:59:32,964 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/data/72e9d1ac5/57c0ef9da70b47b3ad3d1edf87f97516/FLAG74db80208 [2021-11-07 00:59:33,455 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/data/72e9d1ac5/57c0ef9da70b47b3ad3d1edf87f97516 [2021-11-07 00:59:33,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:59:33,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:59:33,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:59:33,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:59:33,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:59:33,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:59:33" (1/1) ... [2021-11-07 00:59:33,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@109729ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:33, skipping insertion in model container [2021-11-07 00:59:33,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:59:33" (1/1) ... [2021-11-07 00:59:33,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:59:33,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:59:34,141 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 00:59:34,178 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 00:59:34,195 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 00:59:34,294 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 00:59:34,333 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 00:59:34,535 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_e3feb38b-b89a-4712-a3cc-991157410e86/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i[168201,168214] [2021-11-07 00:59:34,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:59:34,723 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 00:59:34,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@79be8623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:34, skipping insertion in model container [2021-11-07 00:59:34,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:59:34,724 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 00:59:34,727 INFO L168 Benchmark]: Toolchain (without parser) took 1266.75 ms. Allocated memory is still 113.2 MB. Free memory was 89.1 MB in the beginning and 65.8 MB in the end (delta: 23.3 MB). Peak memory consumption was 58.8 MB. Max. memory is 16.1 GB. [2021-11-07 00:59:34,729 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 90.2 MB. Free memory is still 67.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:59:34,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1264.02 ms. Allocated memory is still 113.2 MB. Free memory was 88.9 MB in the beginning and 65.8 MB in the end (delta: 23.1 MB). Peak memory consumption was 58.8 MB. Max. memory is 16.1 GB. [2021-11-07 00:59:34,734 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 90.2 MB. Free memory is still 67.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1264.02 ms. Allocated memory is still 113.2 MB. Free memory was 88.9 MB in the beginning and 65.8 MB in the end (delta: 23.1 MB). Peak memory consumption was 58.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2353]: 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_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/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_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/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_e3feb38b-b89a-4712-a3cc-991157410e86/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 1ad6d1ed8310d8e3264189ac87472d58c77647a0c63d75779b5974e889987542 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:59:37,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:59:37,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:59:37,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:59:37,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:59:37,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:59:37,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:59:37,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:59:37,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:59:37,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:59:37,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:59:37,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:59:37,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:59:37,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:59:37,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:59:37,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:59:37,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:59:37,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:59:37,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:59:37,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:59:37,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:59:37,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:59:37,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:59:37,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:59:37,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:59:37,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:59:37,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:59:37,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:59:37,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:59:37,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:59:37,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:59:37,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:59:37,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:59:37,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:59:37,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:59:37,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:59:37,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:59:37,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:59:37,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:59:37,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:59:37,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:59:37,393 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 00:59:37,449 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:59:37,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:59:37,451 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:59:37,452 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:59:37,452 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:59:37,452 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:59:37,452 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:59:37,453 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:59:37,453 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:59:37,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:59:37,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:59:37,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:59:37,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:59:37,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:59:37,457 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:59:37,457 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 00:59:37,457 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 00:59:37,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:59:37,458 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:59:37,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:59:37,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:59:37,458 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 00:59:37,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:59:37,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:59:37,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:59:37,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:59:37,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:59:37,460 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 00:59:37,460 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 00:59:37,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:59:37,460 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:59:37,461 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:59:37,461 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_e3feb38b-b89a-4712-a3cc-991157410e86/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ad6d1ed8310d8e3264189ac87472d58c77647a0c63d75779b5974e889987542 [2021-11-07 00:59:37,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:59:37,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:59:37,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:59:37,998 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:59:37,999 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:59:37,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2021-11-07 00:59:38,083 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/data/80bf301cb/1846b38ccdcd4ef3b18a011c28b61ffa/FLAGd0fa98f48 [2021-11-07 00:59:39,042 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:59:39,043 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2021-11-07 00:59:39,093 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/data/80bf301cb/1846b38ccdcd4ef3b18a011c28b61ffa/FLAGd0fa98f48 [2021-11-07 00:59:39,551 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/data/80bf301cb/1846b38ccdcd4ef3b18a011c28b61ffa [2021-11-07 00:59:39,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:59:39,556 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:59:39,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:59:39,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:59:39,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:59:39,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:59:39" (1/1) ... [2021-11-07 00:59:39,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cf4fc11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:39, skipping insertion in model container [2021-11-07 00:59:39,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:59:39" (1/1) ... [2021-11-07 00:59:39,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:59:39,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:59:40,798 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_e3feb38b-b89a-4712-a3cc-991157410e86/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i[168201,168214] [2021-11-07 00:59:40,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:59:41,012 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 00:59:41,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:59:41,377 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_e3feb38b-b89a-4712-a3cc-991157410e86/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i[168201,168214] [2021-11-07 00:59:41,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:59:41,465 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:59:41,698 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_e3feb38b-b89a-4712-a3cc-991157410e86/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i[168201,168214] [2021-11-07 00:59:41,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:59:42,154 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:59:42,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:42 WrapperNode [2021-11-07 00:59:42,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:59:42,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:59:42,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:59:42,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:59:42,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:42" (1/1) ... [2021-11-07 00:59:42,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:42" (1/1) ... [2021-11-07 00:59:43,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:59:43,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:59:43,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:59:43,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:59:43,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:42" (1/1) ... [2021-11-07 00:59:43,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:42" (1/1) ... [2021-11-07 00:59:43,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:42" (1/1) ... [2021-11-07 00:59:43,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:42" (1/1) ... [2021-11-07 00:59:43,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:42" (1/1) ... [2021-11-07 00:59:43,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:42" (1/1) ... [2021-11-07 00:59:43,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:42" (1/1) ... [2021-11-07 00:59:44,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:59:44,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:59:44,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:59:44,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:59:44,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:42" (1/1) ... [2021-11-07 00:59:44,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:59:44,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:59:44,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:59:44,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:59:44,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 00:59:44,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 00:59:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 00:59:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 00:59:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 00:59:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:59:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 00:59:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 00:59:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 00:59:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 00:59:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 00:59:44,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 00:59:44,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-07 00:59:44,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 00:59:44,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 00:59:44,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 00:59:44,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:59:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:00:38,604 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:00:38,604 INFO L299 CfgBuilder]: Removed 4512 assume(true) statements. [2021-11-07 01:00:38,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:00:38 BoogieIcfgContainer [2021-11-07 01:00:38,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:00:38,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:00:38,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:00:38,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:00:38,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:59:39" (1/3) ... [2021-11-07 01:00:38,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74db5650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:00:38, skipping insertion in model container [2021-11-07 01:00:38,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:42" (2/3) ... [2021-11-07 01:00:38,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74db5650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:00:38, skipping insertion in model container [2021-11-07 01:00:38,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:00:38" (3/3) ... [2021-11-07 01:00:38,625 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2021-11-07 01:00:38,632 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:00:38,633 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 154 error locations. [2021-11-07 01:00:38,734 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:00:38,741 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 01:00:38,742 INFO L340 AbstractCegarLoop]: Starting to check reachability of 154 error locations. [2021-11-07 01:00:38,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 4236 states, 4081 states have (on average 1.3795638323940211) internal successors, (5630), 4235 states have internal predecessors, (5630), 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 01:00:38,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:00:38,859 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:00:38,861 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:00:38,861 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 151 more)] === [2021-11-07 01:00:38,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:00:38,869 INFO L85 PathProgramCache]: Analyzing trace with hash 2137890712, now seen corresponding path program 1 times [2021-11-07 01:00:38,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:00:38,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1688961392] [2021-11-07 01:00:38,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:00:38,904 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:00:38,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:00:38,913 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:00:38,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:00:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:00:52,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 3658 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:00:52,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:00:52,292 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 01:00:52,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:00:52,427 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 01:00:52,428 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:00:52,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1688961392] [2021-11-07 01:00:52,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1688961392] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:00:52,429 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:00:52,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:00:52,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883306018] [2021-11-07 01:00:52,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:00:52,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:00:52,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:00:52,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:00:52,472 INFO L87 Difference]: Start difference. First operand has 4236 states, 4081 states have (on average 1.3795638323940211) internal successors, (5630), 4235 states have internal predecessors, (5630), 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 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 01:00:54,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:00:54,013 INFO L93 Difference]: Finished difference Result 12642 states and 16807 transitions. [2021-11-07 01:00:54,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:00:54,015 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18 [2021-11-07 01:00:54,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:00:54,113 INFO L225 Difference]: With dead ends: 12642 [2021-11-07 01:00:54,113 INFO L226 Difference]: Without dead ends: 8401 [2021-11-07 01:00:54,135 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:00:54,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8401 states. [2021-11-07 01:00:54,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8401 to 8092. [2021-11-07 01:00:54,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8092 states, 7938 states have (on average 1.3169564121945074) internal successors, (10454), 8091 states have internal predecessors, (10454), 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 01:00:54,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8092 states to 8092 states and 10454 transitions. [2021-11-07 01:00:54,563 INFO L78 Accepts]: Start accepts. Automaton has 8092 states and 10454 transitions. Word has length 18 [2021-11-07 01:00:54,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:00:54,564 INFO L470 AbstractCegarLoop]: Abstraction has 8092 states and 10454 transitions. [2021-11-07 01:00:54,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 01:00:54,564 INFO L276 IsEmpty]: Start isEmpty. Operand 8092 states and 10454 transitions. [2021-11-07 01:00:54,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:00:54,574 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:00:54,575 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:00:54,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:00:54,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:00:54,791 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 151 more)] === [2021-11-07 01:00:54,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:00:54,792 INFO L85 PathProgramCache]: Analyzing trace with hash 2012881103, now seen corresponding path program 1 times [2021-11-07 01:00:54,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:00:54,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1094806684] [2021-11-07 01:00:54,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:00:54,800 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:00:54,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:00:54,802 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:00:54,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:01:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:01:07,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 3660 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:01:07,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:01:08,041 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 01:01:08,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:01:08,168 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 01:01:08,169 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:01:08,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1094806684] [2021-11-07 01:01:08,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1094806684] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:01:08,169 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:01:08,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:01:08,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946601972] [2021-11-07 01:01:08,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:01:08,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:01:08,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:01:08,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:01:08,174 INFO L87 Difference]: Start difference. First operand 8092 states and 10454 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 01:01:09,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:01:09,741 INFO L93 Difference]: Finished difference Result 24152 states and 31206 transitions. [2021-11-07 01:01:09,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:01:09,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2021-11-07 01:01:09,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:01:09,859 INFO L225 Difference]: With dead ends: 24152 [2021-11-07 01:01:09,860 INFO L226 Difference]: Without dead ends: 16063 [2021-11-07 01:01:09,882 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 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 01:01:09,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16063 states. [2021-11-07 01:01:10,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16063 to 15754. [2021-11-07 01:01:10,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15754 states, 15600 states have (on average 1.3200641025641027) internal successors, (20593), 15753 states have internal predecessors, (20593), 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 01:01:10,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15754 states to 15754 states and 20593 transitions. [2021-11-07 01:01:10,680 INFO L78 Accepts]: Start accepts. Automaton has 15754 states and 20593 transitions. Word has length 19 [2021-11-07 01:01:10,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:01:10,681 INFO L470 AbstractCegarLoop]: Abstraction has 15754 states and 20593 transitions. [2021-11-07 01:01:10,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 01:01:10,682 INFO L276 IsEmpty]: Start isEmpty. Operand 15754 states and 20593 transitions. [2021-11-07 01:01:10,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:01:10,684 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:01:10,684 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] [2021-11-07 01:01:10,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:01:10,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:01:10,899 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 151 more)] === [2021-11-07 01:01:10,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:01:10,899 INFO L85 PathProgramCache]: Analyzing trace with hash 65553205, now seen corresponding path program 1 times [2021-11-07 01:01:10,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:01:10,908 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [902764276] [2021-11-07 01:01:10,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:01:10,908 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:01:10,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:01:10,911 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:01:10,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:01:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:01:24,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 3666 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:01:24,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:01:25,097 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 01:01:25,098 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:01:25,274 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 01:01:25,274 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:01:25,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [902764276] [2021-11-07 01:01:25,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [902764276] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:01:25,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:01:25,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:01:25,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667719154] [2021-11-07 01:01:25,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:01:25,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:01:25,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:01:25,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:01:25,278 INFO L87 Difference]: Start difference. First operand 15754 states and 20593 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 01:01:27,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:01:27,573 INFO L93 Difference]: Finished difference Result 47028 states and 61483 transitions. [2021-11-07 01:01:27,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:01:27,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 22 [2021-11-07 01:01:27,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:01:27,747 INFO L225 Difference]: With dead ends: 47028 [2021-11-07 01:01:27,747 INFO L226 Difference]: Without dead ends: 31277 [2021-11-07 01:01:27,790 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 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 01:01:27,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31277 states. [2021-11-07 01:01:28,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31277 to 30968. [2021-11-07 01:01:28,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30968 states, 30814 states have (on average 1.3217693256312066) internal successors, (40729), 30967 states have internal predecessors, (40729), 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 01:01:29,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30968 states to 30968 states and 40729 transitions. [2021-11-07 01:01:29,093 INFO L78 Accepts]: Start accepts. Automaton has 30968 states and 40729 transitions. Word has length 22 [2021-11-07 01:01:29,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:01:29,093 INFO L470 AbstractCegarLoop]: Abstraction has 30968 states and 40729 transitions. [2021-11-07 01:01:29,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 01:01:29,094 INFO L276 IsEmpty]: Start isEmpty. Operand 30968 states and 40729 transitions. [2021-11-07 01:01:29,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 01:01:29,096 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:01:29,097 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] [2021-11-07 01:01:29,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:01:29,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:01:29,298 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 151 more)] === [2021-11-07 01:01:29,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:01:29,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1107483654, now seen corresponding path program 1 times [2021-11-07 01:01:29,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:01:29,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1386508599] [2021-11-07 01:01:29,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:01:29,311 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:01:29,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:01:29,312 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:01:29,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:01:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:01:42,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 3706 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:01:42,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:01:42,782 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 01:01:42,782 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:01:42,899 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 01:01:42,900 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:01:42,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1386508599] [2021-11-07 01:01:42,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1386508599] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:01:42,901 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:01:42,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:01:42,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737470059] [2021-11-07 01:01:42,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:01:42,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:01:42,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:01:42,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:01:42,903 INFO L87 Difference]: Start difference. First operand 30968 states and 40729 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 01:01:45,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:01:45,447 INFO L93 Difference]: Finished difference Result 92542 states and 121723 transitions. [2021-11-07 01:01:45,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:01:45,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 23 [2021-11-07 01:01:45,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:01:45,710 INFO L225 Difference]: With dead ends: 92542 [2021-11-07 01:01:45,710 INFO L226 Difference]: Without dead ends: 61577 [2021-11-07 01:01:45,821 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 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 01:01:45,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61577 states. [2021-11-07 01:01:48,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61577 to 61268. [2021-11-07 01:01:48,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61268 states, 61114 states have (on average 1.3225938410184246) internal successors, (80829), 61267 states have internal predecessors, (80829), 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 01:01:48,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61268 states to 61268 states and 80829 transitions. [2021-11-07 01:01:48,837 INFO L78 Accepts]: Start accepts. Automaton has 61268 states and 80829 transitions. Word has length 23 [2021-11-07 01:01:48,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:01:48,837 INFO L470 AbstractCegarLoop]: Abstraction has 61268 states and 80829 transitions. [2021-11-07 01:01:48,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 01:01:48,839 INFO L276 IsEmpty]: Start isEmpty. Operand 61268 states and 80829 transitions. [2021-11-07 01:01:48,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:01:48,842 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:01:48,842 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] [2021-11-07 01:01:48,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:01:49,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:01:49,067 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 151 more)] === [2021-11-07 01:01:49,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:01:49,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1978462494, now seen corresponding path program 1 times [2021-11-07 01:01:49,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:01:49,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1569240906] [2021-11-07 01:01:49,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:01:49,077 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:01:49,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:01:49,078 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:01:49,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:02:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:02:01,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 3708 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:02:01,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:02:01,719 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 01:02:01,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:02:01,843 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 01:02:01,844 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:02:01,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1569240906] [2021-11-07 01:02:01,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1569240906] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:02:01,844 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:02:01,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:02:01,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136727988] [2021-11-07 01:02:01,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:02:01,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:02:01,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:02:01,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:02:01,845 INFO L87 Difference]: Start difference. First operand 61268 states and 80829 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 01:02:05,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:02:05,467 INFO L93 Difference]: Finished difference Result 183090 states and 241567 transitions. [2021-11-07 01:02:05,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:02:05,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 24 [2021-11-07 01:02:05,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:02:05,817 INFO L225 Difference]: With dead ends: 183090 [2021-11-07 01:02:05,818 INFO L226 Difference]: Without dead ends: 121825 [2021-11-07 01:02:05,909 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 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 01:02:06,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121825 states. [2021-11-07 01:02:10,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121825 to 121516. [2021-11-07 01:02:10,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121516 states, 121362 states have (on average 1.3230253291804683) internal successors, (160565), 121515 states have internal predecessors, (160565), 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 01:02:11,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121516 states to 121516 states and 160565 transitions. [2021-11-07 01:02:11,073 INFO L78 Accepts]: Start accepts. Automaton has 121516 states and 160565 transitions. Word has length 24 [2021-11-07 01:02:11,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:02:11,074 INFO L470 AbstractCegarLoop]: Abstraction has 121516 states and 160565 transitions. [2021-11-07 01:02:11,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 01:02:11,074 INFO L276 IsEmpty]: Start isEmpty. Operand 121516 states and 160565 transitions. [2021-11-07 01:02:11,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:02:11,076 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:02:11,076 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] [2021-11-07 01:02:11,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-07 01:02:11,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:02:11,277 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 151 more)] === [2021-11-07 01:02:11,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:02:11,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1141454569, now seen corresponding path program 1 times [2021-11-07 01:02:11,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:02:11,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2113998604] [2021-11-07 01:02:11,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:02:11,283 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:02:11,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:02:11,284 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:02:11,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:02:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:02:23,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 3710 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:02:23,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:02:23,590 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 01:02:23,590 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:02:23,716 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 01:02:23,716 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:02:23,716 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2113998604] [2021-11-07 01:02:23,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2113998604] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:02:23,717 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:02:23,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:02:23,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014013649] [2021-11-07 01:02:23,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:02:23,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:02:23,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:02:23,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:02:23,719 INFO L87 Difference]: Start difference. First operand 121516 states and 160565 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 01:02:31,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:02:31,798 INFO L93 Difference]: Finished difference Result 363130 states and 479863 transitions. [2021-11-07 01:02:31,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:02:31,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 25 [2021-11-07 01:02:31,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:02:32,800 INFO L225 Difference]: With dead ends: 363130 [2021-11-07 01:02:32,800 INFO L226 Difference]: Without dead ends: 241617 [2021-11-07 01:02:32,989 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 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 01:02:33,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241617 states. [2021-11-07 01:02:40,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241617 to 241308. [2021-11-07 01:02:41,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241308 states, 241154 states have (on average 1.3232581669804357) internal successors, (319109), 241307 states have internal predecessors, (319109), 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 01:02:42,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241308 states to 241308 states and 319109 transitions. [2021-11-07 01:02:42,019 INFO L78 Accepts]: Start accepts. Automaton has 241308 states and 319109 transitions. Word has length 25 [2021-11-07 01:02:42,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:02:42,019 INFO L470 AbstractCegarLoop]: Abstraction has 241308 states and 319109 transitions. [2021-11-07 01:02:42,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 01:02:42,020 INFO L276 IsEmpty]: Start isEmpty. Operand 241308 states and 319109 transitions. [2021-11-07 01:02:42,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:02:42,022 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:02:42,022 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] [2021-11-07 01:02:42,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:02:42,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:02:42,231 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 151 more)] === [2021-11-07 01:02:42,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:02:42,231 INFO L85 PathProgramCache]: Analyzing trace with hash 925364443, now seen corresponding path program 1 times [2021-11-07 01:02:42,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:02:42,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [194193374] [2021-11-07 01:02:42,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:02:42,237 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:02:42,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:02:42,239 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:02:42,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3feb38b-b89a-4712-a3cc-991157410e86/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:02:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:02:56,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 3712 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:02:56,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:02:56,532 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 01:02:56,532 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:02:56,690 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 01:02:56,690 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:02:56,690 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [194193374] [2021-11-07 01:02:56,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [194193374] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:02:56,690 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:02:56,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:02:56,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093901989] [2021-11-07 01:02:56,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:02:56,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:02:56,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:02:56,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:02:56,693 INFO L87 Difference]: Start difference. First operand 241308 states and 319109 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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)