./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.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_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/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_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/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_892c2d0f-b3d2-47ac-8cb4-707197bf6761/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 4d1925cbb25da30e8fcdd82861b683936a2c7e348be20aa47667846f7f43a7fe --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:17:51,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:17:51,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:17:51,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:17:51,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:17:51,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:17:51,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:17:51,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:17:51,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:17:51,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:17:51,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:17:51,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:17:51,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:17:51,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:17:51,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:17:51,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:17:51,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:17:51,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:17:51,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:17:51,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:17:51,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:17:51,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:17:51,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:17:51,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:17:51,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:17:51,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:17:51,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:17:51,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:17:51,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:17:51,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:17:51,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:17:51,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:17:51,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:17:51,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:17:51,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:17:51,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:17:51,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:17:51,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:17:51,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:17:51,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:17:51,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:17:51,991 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 02:17:52,039 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:17:52,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:17:52,040 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:17:52,040 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:17:52,041 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:17:52,041 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:17:52,041 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:17:52,041 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:17:52,041 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:17:52,042 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:17:52,049 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:17:52,049 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:17:52,049 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:17:52,049 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:17:52,050 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:17:52,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:17:52,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:17:52,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:17:52,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:17:52,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:17:52,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:17:52,052 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:17:52,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:17:52,052 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:17:52,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:17:52,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:17:52,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:17:52,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:17:52,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:17:52,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:17:52,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:17:52,055 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:17:52,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:17:52,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:17:52,056 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:17:52,056 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:17:52,057 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_892c2d0f-b3d2-47ac-8cb4-707197bf6761/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d1925cbb25da30e8fcdd82861b683936a2c7e348be20aa47667846f7f43a7fe [2021-11-07 02:17:52,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:17:52,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:17:52,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:17:52,362 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:17:52,362 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:17:52,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i [2021-11-07 02:17:52,460 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/data/57444e1c5/6ca5617d5f7949ccacf5831868563849/FLAGe730a4d50 [2021-11-07 02:17:53,449 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:17:53,449 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i [2021-11-07 02:17:53,517 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/data/57444e1c5/6ca5617d5f7949ccacf5831868563849/FLAGe730a4d50 [2021-11-07 02:17:53,786 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/data/57444e1c5/6ca5617d5f7949ccacf5831868563849 [2021-11-07 02:17:53,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:17:53,791 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:17:53,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:17:53,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:17:53,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:17:53,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:17:53" (1/1) ... [2021-11-07 02:17:53,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e93b97b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:53, skipping insertion in model container [2021-11-07 02:17:53,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:17:53" (1/1) ... [2021-11-07 02:17:53,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:17:53,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:17:54,488 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3830] [2021-11-07 02:17:54,489 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3831-3832] [2021-11-07 02:17:54,649 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_892c2d0f-b3d2-47ac-8cb4-707197bf6761/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i[110980,110993] [2021-11-07 02:17:55,116 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:17:55,642 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:17:56,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:17:56,402 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 02:17:56,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@81ab062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:56, skipping insertion in model container [2021-11-07 02:17:56,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:17:56,403 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:17:56,406 INFO L168 Benchmark]: Toolchain (without parser) took 2612.84 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 65.9 MB in the beginning and 62.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 51.2 MB. Max. memory is 16.1 GB. [2021-11-07 02:17:56,407 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 94.4 MB. Free memory was 65.9 MB in the beginning and 65.9 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:17:56,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2609.05 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 65.5 MB in the beginning and 62.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 51.2 MB. Max. memory is 16.1 GB. [2021-11-07 02:17:56,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 94.4 MB. Free memory was 65.9 MB in the beginning and 65.9 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2609.05 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 65.5 MB in the beginning and 62.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 51.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4124]: 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_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/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_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/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_892c2d0f-b3d2-47ac-8cb4-707197bf6761/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 4d1925cbb25da30e8fcdd82861b683936a2c7e348be20aa47667846f7f43a7fe --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:17:58,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:17:58,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:17:58,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:17:58,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:17:58,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:17:58,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:17:58,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:17:58,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:17:58,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:17:58,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:17:58,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:17:58,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:17:58,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:17:58,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:17:58,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:17:58,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:17:58,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:17:58,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:17:58,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:17:58,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:17:58,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:17:58,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:17:58,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:17:58,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:17:58,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:17:58,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:17:58,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:17:58,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:17:58,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:17:58,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:17:58,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:17:58,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:17:58,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:17:58,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:17:58,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:17:58,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:17:58,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:17:58,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:17:58,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:17:58,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:17:58,858 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 02:17:58,900 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:17:58,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:17:58,902 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:17:58,902 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:17:58,902 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:17:58,902 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:17:58,902 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:17:58,903 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:17:58,903 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:17:58,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:17:58,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:17:58,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:17:58,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:17:58,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:17:58,907 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:17:58,907 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:17:58,907 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:17:58,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:17:58,908 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:17:58,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:17:58,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:17:58,908 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:17:58,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:17:58,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:17:58,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:17:58,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:17:58,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:17:58,910 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:17:58,910 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:17:58,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:17:58,910 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:17:58,910 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:17:58,911 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_892c2d0f-b3d2-47ac-8cb4-707197bf6761/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d1925cbb25da30e8fcdd82861b683936a2c7e348be20aa47667846f7f43a7fe [2021-11-07 02:17:59,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:17:59,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:17:59,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:17:59,350 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:17:59,351 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:17:59,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i [2021-11-07 02:17:59,430 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/data/f07b54382/8333815500834d65ade08c3fbb2fc4d8/FLAG805fd064e [2021-11-07 02:18:00,468 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:18:00,469 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i [2021-11-07 02:18:00,524 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/data/f07b54382/8333815500834d65ade08c3fbb2fc4d8/FLAG805fd064e [2021-11-07 02:18:00,876 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/data/f07b54382/8333815500834d65ade08c3fbb2fc4d8 [2021-11-07 02:18:00,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:18:00,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:18:00,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:18:00,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:18:00,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:18:00,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:18:00" (1/1) ... [2021-11-07 02:18:00,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@579f9bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:00, skipping insertion in model container [2021-11-07 02:18:00,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:18:00" (1/1) ... [2021-11-07 02:18:00,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:18:01,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:18:01,645 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3830] [2021-11-07 02:18:01,646 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3831-3832] [2021-11-07 02:18:01,830 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_892c2d0f-b3d2-47ac-8cb4-707197bf6761/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i[110980,110993] [2021-11-07 02:18:03,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:18:03,403 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 02:18:03,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:18:03,625 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3830] [2021-11-07 02:18:03,625 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3831-3832] [2021-11-07 02:18:03,631 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_892c2d0f-b3d2-47ac-8cb4-707197bf6761/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i[110980,110993] [2021-11-07 02:18:04,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:18:04,142 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:18:04,267 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3830] [2021-11-07 02:18:04,268 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3831-3832] [2021-11-07 02:18:04,272 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_892c2d0f-b3d2-47ac-8cb4-707197bf6761/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i[110980,110993] [2021-11-07 02:18:04,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:18:04,756 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:18:04,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:04 WrapperNode [2021-11-07 02:18:04,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:18:04,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:18:04,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:18:04,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:18:04,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:04" (1/1) ... [2021-11-07 02:18:04,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:04" (1/1) ... [2021-11-07 02:18:05,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:18:05,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:18:05,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:18:05,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:18:05,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:04" (1/1) ... [2021-11-07 02:18:05,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:04" (1/1) ... [2021-11-07 02:18:05,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:04" (1/1) ... [2021-11-07 02:18:05,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:04" (1/1) ... [2021-11-07 02:18:05,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:04" (1/1) ... [2021-11-07 02:18:05,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:04" (1/1) ... [2021-11-07 02:18:06,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:04" (1/1) ... [2021-11-07 02:18:06,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:18:06,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:18:06,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:18:06,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:18:06,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:04" (1/1) ... [2021-11-07 02:18:06,098 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:18:06,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:18:06,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:18:06,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:18:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 02:18:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 02:18:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 02:18:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 02:18:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 02:18:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 02:18:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_throttling [2021-11-07 02:18:06,175 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_throttling [2021-11-07 02:18:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_throttling_info [2021-11-07 02:18:06,175 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_throttling_info [2021-11-07 02:18:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-07 02:18:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:18:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 02:18:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 02:18:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 02:18:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 02:18:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 02:18:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 02:18:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 02:18:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 02:18:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 02:18:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 02:18:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure __acpi_processor_start [2021-11-07 02:18:06,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __acpi_processor_start [2021-11-07 02:18:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_start [2021-11-07 02:18:06,177 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_start [2021-11-07 02:18:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-07 02:18:06,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-07 02:18:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 02:18:06,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-07 02:18:06,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-07 02:18:06,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-07 02:18:06,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 02:18:06,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 02:18:06,179 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-07 02:18:06,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-07 02:18:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-07 02:18:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-07 02:18:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-07 02:18:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-07 02:18:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:18:06,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:29:07,676 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:29:07,676 INFO L299 CfgBuilder]: Removed 1647 assume(true) statements. [2021-11-07 02:29:07,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:29:07 BoogieIcfgContainer [2021-11-07 02:29:07,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:29:07,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:29:07,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:29:07,688 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:29:07,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:18:00" (1/3) ... [2021-11-07 02:29:07,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce49f3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:29:07, skipping insertion in model container [2021-11-07 02:29:07,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:04" (2/3) ... [2021-11-07 02:29:07,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce49f3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:29:07, skipping insertion in model container [2021-11-07 02:29:07,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:29:07" (3/3) ... [2021-11-07 02:29:07,692 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i [2021-11-07 02:29:07,699 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:29:07,700 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-07 02:29:07,775 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:29:07,781 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 02:29:07,781 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-07 02:29:07,844 INFO L276 IsEmpty]: Start isEmpty. Operand has 2596 states, 2577 states have (on average 1.491268917345751) internal successors, (3843), 2581 states have internal predecessors, (3843), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-11-07 02:29:07,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-07 02:29:07,865 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:29:07,866 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:29:07,867 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION === [acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-07 02:29:07,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:29:07,874 INFO L85 PathProgramCache]: Analyzing trace with hash -807559289, now seen corresponding path program 1 times [2021-11-07 02:29:07,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:29:07,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1508837924] [2021-11-07 02:29:07,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:29:07,907 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:29:07,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:29:07,910 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:29:07,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:29:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:29:16,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 2804 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:29:16,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:29:17,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:29:17,332 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:29:17,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:29:17,755 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:29:17,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1508837924] [2021-11-07 02:29:17,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1508837924] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:29:17,757 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:29:17,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 02:29:17,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731933385] [2021-11-07 02:29:17,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:29:17,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:29:17,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:29:17,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:29:17,787 INFO L87 Difference]: Start difference. First operand has 2596 states, 2577 states have (on average 1.491268917345751) internal successors, (3843), 2581 states have internal predecessors, (3843), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:29:18,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:29:18,782 INFO L93 Difference]: Finished difference Result 7726 states and 11514 transitions. [2021-11-07 02:29:18,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:29:18,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-11-07 02:29:18,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:29:18,832 INFO L225 Difference]: With dead ends: 7726 [2021-11-07 02:29:18,832 INFO L226 Difference]: Without dead ends: 5080 [2021-11-07 02:29:18,849 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:29:18,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5080 states. [2021-11-07 02:29:19,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5080 to 5062. [2021-11-07 02:29:19,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5062 states, 5031 states have (on average 1.4798250844762473) internal successors, (7445), 5034 states have internal predecessors, (7445), 17 states have call successors, (17), 10 states have call predecessors, (17), 10 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2021-11-07 02:29:19,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5062 states to 5062 states and 7479 transitions. [2021-11-07 02:29:19,138 INFO L78 Accepts]: Start accepts. Automaton has 5062 states and 7479 transitions. Word has length 42 [2021-11-07 02:29:19,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:29:19,139 INFO L470 AbstractCegarLoop]: Abstraction has 5062 states and 7479 transitions. [2021-11-07 02:29:19,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:29:19,139 INFO L276 IsEmpty]: Start isEmpty. Operand 5062 states and 7479 transitions. [2021-11-07 02:29:19,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 02:29:19,146 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:29:19,146 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:29:19,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-07 02:29:19,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:29:19,361 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION === [acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-07 02:29:19,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:29:19,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1623233751, now seen corresponding path program 1 times [2021-11-07 02:29:19,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:29:19,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [120739962] [2021-11-07 02:29:19,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:29:19,375 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:29:19,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:29:19,377 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:29:19,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 02:29:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:29:28,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 2837 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:29:28,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:29:28,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:29:28,587 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:29:29,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:29:29,133 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:29:29,133 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [120739962] [2021-11-07 02:29:29,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [120739962] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:29:29,133 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:29:29,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 02:29:29,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796181794] [2021-11-07 02:29:29,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:29:29,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:29:29,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:29:29,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:29:29,137 INFO L87 Difference]: Start difference. First operand 5062 states and 7479 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:29:30,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:29:30,105 INFO L93 Difference]: Finished difference Result 12840 states and 18906 transitions. [2021-11-07 02:29:30,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:29:30,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-07 02:29:30,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:29:30,161 INFO L225 Difference]: With dead ends: 12840 [2021-11-07 02:29:30,162 INFO L226 Difference]: Without dead ends: 7799 [2021-11-07 02:29:30,179 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:29:30,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7799 states. [2021-11-07 02:29:30,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7799 to 7791. [2021-11-07 02:29:30,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7791 states, 7749 states have (on average 1.470899470899471) internal successors, (11398), 7752 states have internal predecessors, (11398), 23 states have call successors, (23), 15 states have call predecessors, (23), 15 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-07 02:29:30,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7791 states to 7791 states and 11444 transitions. [2021-11-07 02:29:30,503 INFO L78 Accepts]: Start accepts. Automaton has 7791 states and 11444 transitions. Word has length 51 [2021-11-07 02:29:30,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:29:30,504 INFO L470 AbstractCegarLoop]: Abstraction has 7791 states and 11444 transitions. [2021-11-07 02:29:30,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:29:30,504 INFO L276 IsEmpty]: Start isEmpty. Operand 7791 states and 11444 transitions. [2021-11-07 02:29:30,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-07 02:29:30,513 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:29:30,514 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:29:30,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 02:29:30,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:29:30,715 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION === [acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-07 02:29:30,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:29:30,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1830807597, now seen corresponding path program 1 times [2021-11-07 02:29:30,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:29:30,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1796232394] [2021-11-07 02:29:30,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:29:30,722 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:29:30,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:29:30,728 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:29:30,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 02:29:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:29:39,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 2851 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:29:39,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:29:39,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:29:39,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:29:40,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:29:40,231 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:29:40,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1796232394] [2021-11-07 02:29:40,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1796232394] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:29:40,231 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:29:40,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 02:29:40,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800989409] [2021-11-07 02:29:40,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:29:40,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:29:40,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:29:40,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:29:40,233 INFO L87 Difference]: Start difference. First operand 7791 states and 11444 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:29:43,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:29:43,648 INFO L93 Difference]: Finished difference Result 16491 states and 24283 transitions. [2021-11-07 02:29:43,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 02:29:43,650 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-07 02:29:43,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:29:43,707 INFO L225 Difference]: With dead ends: 16491 [2021-11-07 02:29:43,707 INFO L226 Difference]: Without dead ends: 8721 [2021-11-07 02:29:43,731 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:29:43,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8721 states. [2021-11-07 02:29:44,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8721 to 7797. [2021-11-07 02:29:44,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7797 states, 7755 states have (on average 1.470535138620245) internal successors, (11404), 7758 states have internal predecessors, (11404), 23 states have call successors, (23), 15 states have call predecessors, (23), 15 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-07 02:29:44,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7797 states to 7797 states and 11450 transitions. [2021-11-07 02:29:44,198 INFO L78 Accepts]: Start accepts. Automaton has 7797 states and 11450 transitions. Word has length 60 [2021-11-07 02:29:44,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:29:44,199 INFO L470 AbstractCegarLoop]: Abstraction has 7797 states and 11450 transitions. [2021-11-07 02:29:44,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:29:44,201 INFO L276 IsEmpty]: Start isEmpty. Operand 7797 states and 11450 transitions. [2021-11-07 02:29:44,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-07 02:29:44,207 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:29:44,208 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:29:44,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 02:29:44,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:29:44,433 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION === [acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-07 02:29:44,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:29:44,433 INFO L85 PathProgramCache]: Analyzing trace with hash 286004740, now seen corresponding path program 1 times [2021-11-07 02:29:44,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:29:44,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [85078509] [2021-11-07 02:29:44,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:29:44,439 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:29:44,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:29:44,441 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:29:44,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 02:29:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:29:53,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 2865 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 02:29:53,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:29:53,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:29:53,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:29:54,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:29:54,225 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:29:54,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [85078509] [2021-11-07 02:29:54,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [85078509] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:29:54,226 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:29:54,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 02:29:54,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460937626] [2021-11-07 02:29:54,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:29:54,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:29:54,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:29:54,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:29:54,228 INFO L87 Difference]: Start difference. First operand 7797 states and 11450 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:30:01,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:30:01,655 INFO L93 Difference]: Finished difference Result 16971 states and 24994 transitions. [2021-11-07 02:30:01,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 02:30:01,657 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-07 02:30:01,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:30:01,730 INFO L225 Difference]: With dead ends: 16971 [2021-11-07 02:30:01,730 INFO L226 Difference]: Without dead ends: 9195 [2021-11-07 02:30:01,757 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-11-07 02:30:01,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9195 states. [2021-11-07 02:30:02,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9195 to 7803. [2021-11-07 02:30:02,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7803 states, 7761 states have (on average 1.4701713696688572) internal successors, (11410), 7764 states have internal predecessors, (11410), 23 states have call successors, (23), 15 states have call predecessors, (23), 15 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-07 02:30:02,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7803 states to 7803 states and 11456 transitions. [2021-11-07 02:30:02,088 INFO L78 Accepts]: Start accepts. Automaton has 7803 states and 11456 transitions. Word has length 64 [2021-11-07 02:30:02,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:30:02,089 INFO L470 AbstractCegarLoop]: Abstraction has 7803 states and 11456 transitions. [2021-11-07 02:30:02,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:30:02,090 INFO L276 IsEmpty]: Start isEmpty. Operand 7803 states and 11456 transitions. [2021-11-07 02:30:02,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-07 02:30:02,103 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:30:02,104 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:30:02,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 02:30:02,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:30:02,320 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION === [acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-07 02:30:02,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:30:02,321 INFO L85 PathProgramCache]: Analyzing trace with hash 542008446, now seen corresponding path program 1 times [2021-11-07 02:30:02,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:30:02,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1150764696] [2021-11-07 02:30:02,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:30:02,328 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:30:02,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:30:02,330 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:30:02,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 02:30:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:30:11,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 3002 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:30:11,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:30:12,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:30:12,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:30:12,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:30:12,531 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:30:12,531 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1150764696] [2021-11-07 02:30:12,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1150764696] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:30:12,531 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:30:12,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 02:30:12,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142391977] [2021-11-07 02:30:12,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:30:12,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:30:12,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:30:12,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:30:12,533 INFO L87 Difference]: Start difference. First operand 7803 states and 11456 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:30:18,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:30:18,995 INFO L93 Difference]: Finished difference Result 15597 states and 22933 transitions. [2021-11-07 02:30:19,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 02:30:19,080 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-11-07 02:30:19,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:30:19,110 INFO L225 Difference]: With dead ends: 15597 [2021-11-07 02:30:19,111 INFO L226 Difference]: Without dead ends: 7815 [2021-11-07 02:30:19,137 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 02:30:19,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7815 states. [2021-11-07 02:30:19,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7815 to 7812. [2021-11-07 02:30:19,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7812 states, 7770 states have (on average 1.4696267696267695) internal successors, (11419), 7773 states have internal predecessors, (11419), 23 states have call successors, (23), 15 states have call predecessors, (23), 15 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-07 02:30:19,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7812 states to 7812 states and 11465 transitions. [2021-11-07 02:30:19,401 INFO L78 Accepts]: Start accepts. Automaton has 7812 states and 11465 transitions. Word has length 84 [2021-11-07 02:30:19,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:30:19,402 INFO L470 AbstractCegarLoop]: Abstraction has 7812 states and 11465 transitions. [2021-11-07 02:30:19,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:30:19,402 INFO L276 IsEmpty]: Start isEmpty. Operand 7812 states and 11465 transitions. [2021-11-07 02:30:19,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-07 02:30:19,418 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:30:19,418 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:30:19,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 02:30:19,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:30:19,633 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION === [acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-07 02:30:19,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:30:19,633 INFO L85 PathProgramCache]: Analyzing trace with hash -2096341638, now seen corresponding path program 1 times [2021-11-07 02:30:19,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:30:19,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1421911775] [2021-11-07 02:30:19,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:30:19,638 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:30:19,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:30:19,638 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:30:19,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 02:30:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:30:28,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 3006 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:30:28,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:30:29,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:30:29,206 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:30:29,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:30:29,574 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:30:29,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1421911775] [2021-11-07 02:30:29,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1421911775] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:30:29,574 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:30:29,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 02:30:29,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919151321] [2021-11-07 02:30:29,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:30:29,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:30:29,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:30:29,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:30:29,576 INFO L87 Difference]: Start difference. First operand 7812 states and 11465 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:30:30,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:30:30,620 INFO L93 Difference]: Finished difference Result 15606 states and 22936 transitions. [2021-11-07 02:30:30,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:30:30,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-11-07 02:30:30,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:30:30,654 INFO L225 Difference]: With dead ends: 15606 [2021-11-07 02:30:30,654 INFO L226 Difference]: Without dead ends: 7815 [2021-11-07 02:30:30,678 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:30:30,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7815 states. [2021-11-07 02:30:30,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7815 to 7815. [2021-11-07 02:30:30,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7815 states, 7773 states have (on average 1.4694455165315836) internal successors, (11422), 7776 states have internal predecessors, (11422), 23 states have call successors, (23), 15 states have call predecessors, (23), 15 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-07 02:30:30,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7815 states to 7815 states and 11468 transitions. [2021-11-07 02:30:30,886 INFO L78 Accepts]: Start accepts. Automaton has 7815 states and 11468 transitions. Word has length 84 [2021-11-07 02:30:30,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:30:30,887 INFO L470 AbstractCegarLoop]: Abstraction has 7815 states and 11468 transitions. [2021-11-07 02:30:30,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:30:30,887 INFO L276 IsEmpty]: Start isEmpty. Operand 7815 states and 11468 transitions. [2021-11-07 02:30:30,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-07 02:30:30,899 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:30:30,900 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:30:31,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 02:30:31,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:30:31,121 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION === [acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-07 02:30:31,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:30:31,122 INFO L85 PathProgramCache]: Analyzing trace with hash -2073709384, now seen corresponding path program 1 times [2021-11-07 02:30:31,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:30:31,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [345942950] [2021-11-07 02:30:31,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:30:31,135 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:30:31,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:30:31,148 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:30:31,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 02:30:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:30:39,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 3009 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:30:39,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:30:40,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:30:40,320 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:30:40,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:30:40,737 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:30:40,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [345942950] [2021-11-07 02:30:40,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [345942950] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:30:40,737 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:30:40,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 02:30:40,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530159977] [2021-11-07 02:30:40,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:30:40,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:30:40,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:30:40,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:30:40,739 INFO L87 Difference]: Start difference. First operand 7815 states and 11468 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:30:42,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:30:42,603 INFO L93 Difference]: Finished difference Result 16074 states and 23626 transitions. [2021-11-07 02:30:42,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:30:42,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-11-07 02:30:42,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:30:42,629 INFO L225 Difference]: With dead ends: 16074 [2021-11-07 02:30:42,629 INFO L226 Difference]: Without dead ends: 8280 [2021-11-07 02:30:42,646 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:30:42,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8280 states. [2021-11-07 02:30:42,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8280 to 7806. [2021-11-07 02:30:42,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7806 states, 7764 states have (on average 1.4688304997424009) internal successors, (11404), 7767 states have internal predecessors, (11404), 23 states have call successors, (23), 15 states have call predecessors, (23), 15 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-07 02:30:42,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7806 states to 7806 states and 11450 transitions. [2021-11-07 02:30:42,855 INFO L78 Accepts]: Start accepts. Automaton has 7806 states and 11450 transitions. Word has length 84 [2021-11-07 02:30:42,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:30:42,856 INFO L470 AbstractCegarLoop]: Abstraction has 7806 states and 11450 transitions. [2021-11-07 02:30:42,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:30:42,856 INFO L276 IsEmpty]: Start isEmpty. Operand 7806 states and 11450 transitions. [2021-11-07 02:30:42,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-07 02:30:42,873 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:30:42,874 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:30:42,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-11-07 02:30:43,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:30:43,090 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION === [acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-07 02:30:43,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:30:43,092 INFO L85 PathProgramCache]: Analyzing trace with hash -2027865928, now seen corresponding path program 1 times [2021-11-07 02:30:43,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:30:43,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [511109778] [2021-11-07 02:30:43,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:30:43,115 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:30:43,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:30:43,118 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:30:43,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 02:30:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:30:52,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 3009 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 02:30:52,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:30:52,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:30:52,500 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:30:53,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:30:53,009 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:30:53,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [511109778] [2021-11-07 02:30:53,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [511109778] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:30:53,009 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:30:53,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 02:30:53,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534016729] [2021-11-07 02:30:53,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:30:53,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:30:53,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:30:53,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:30:53,010 INFO L87 Difference]: Start difference. First operand 7806 states and 11450 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:31:00,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:31:00,393 INFO L93 Difference]: Finished difference Result 15597 states and 22912 transitions. [2021-11-07 02:31:00,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 02:31:00,396 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-11-07 02:31:00,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:31:00,418 INFO L225 Difference]: With dead ends: 15597 [2021-11-07 02:31:00,418 INFO L226 Difference]: Without dead ends: 7812 [2021-11-07 02:31:00,433 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:31:00,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7812 states. [2021-11-07 02:31:00,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7812 to 7812. [2021-11-07 02:31:00,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7812 states, 7770 states have (on average 1.4684684684684686) internal successors, (11410), 7773 states have internal predecessors, (11410), 23 states have call successors, (23), 15 states have call predecessors, (23), 15 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-07 02:31:00,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7812 states to 7812 states and 11456 transitions. [2021-11-07 02:31:00,627 INFO L78 Accepts]: Start accepts. Automaton has 7812 states and 11456 transitions. Word has length 84 [2021-11-07 02:31:00,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:31:00,628 INFO L470 AbstractCegarLoop]: Abstraction has 7812 states and 11456 transitions. [2021-11-07 02:31:00,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:31:00,628 INFO L276 IsEmpty]: Start isEmpty. Operand 7812 states and 11456 transitions. [2021-11-07 02:31:00,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-07 02:31:00,640 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:31:00,640 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:31:00,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 02:31:00,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:31:00,865 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __acpi_processor_startErr0ASSERT_VIOLATIONERROR_FUNCTION === [acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-07 02:31:00,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:31:00,865 INFO L85 PathProgramCache]: Analyzing trace with hash -384736116, now seen corresponding path program 1 times [2021-11-07 02:31:00,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:31:00,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1205161466] [2021-11-07 02:31:00,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:31:00,871 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:31:00,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:31:00,873 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:31:00,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 02:31:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:31:08,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 2879 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:31:08,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:31:09,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:31:09,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:31:09,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:31:09,433 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:31:09,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1205161466] [2021-11-07 02:31:09,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1205161466] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:31:09,434 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:31:09,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 02:31:09,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110163995] [2021-11-07 02:31:09,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:31:09,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:31:09,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:31:09,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:31:09,436 INFO L87 Difference]: Start difference. First operand 7812 states and 11456 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-07 02:31:09,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:31:09,785 INFO L93 Difference]: Finished difference Result 15621 states and 22948 transitions. [2021-11-07 02:31:09,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:31:09,786 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 85 [2021-11-07 02:31:09,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:31:09,812 INFO L225 Difference]: With dead ends: 15621 [2021-11-07 02:31:09,812 INFO L226 Difference]: Without dead ends: 7830 [2021-11-07 02:31:09,825 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:31:09,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7830 states. [2021-11-07 02:31:09,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7830 to 7830. [2021-11-07 02:31:10,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7830 states, 7788 states have (on average 1.4673857216230097) internal successors, (11428), 7791 states have internal predecessors, (11428), 23 states have call successors, (23), 15 states have call predecessors, (23), 15 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-07 02:31:10,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7830 states to 7830 states and 11474 transitions. [2021-11-07 02:31:10,019 INFO L78 Accepts]: Start accepts. Automaton has 7830 states and 11474 transitions. Word has length 85 [2021-11-07 02:31:10,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:31:10,019 INFO L470 AbstractCegarLoop]: Abstraction has 7830 states and 11474 transitions. [2021-11-07 02:31:10,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-07 02:31:10,020 INFO L276 IsEmpty]: Start isEmpty. Operand 7830 states and 11474 transitions. [2021-11-07 02:31:10,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-07 02:31:10,032 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:31:10,032 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:31:10,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 02:31:10,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:31:10,248 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION === [acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-07 02:31:10,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:31:10,249 INFO L85 PathProgramCache]: Analyzing trace with hash -301647326, now seen corresponding path program 1 times [2021-11-07 02:31:10,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:31:10,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2144035130] [2021-11-07 02:31:10,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:31:10,255 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:31:10,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:31:10,257 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:31:10,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 02:31:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:31:19,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 3036 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:31:19,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:31:19,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:31:19,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:31:20,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:31:20,643 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:31:20,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2144035130] [2021-11-07 02:31:20,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2144035130] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:31:20,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1232318103] [2021-11-07 02:31:20,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:31:20,643 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 02:31:20,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 02:31:20,652 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 02:31:20,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-11-07 02:31:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:31:23,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 3036 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:31:23,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:31:24,164 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 02:31:24,164 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:31:24,473 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 02:31:24,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1232318103] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:31:24,474 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 02:31:24,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 10 [2021-11-07 02:31:24,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602476182] [2021-11-07 02:31:24,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:31:24,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:31:24,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:31:24,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-07 02:31:24,475 INFO L87 Difference]: Start difference. First operand 7830 states and 11474 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:31:28,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:31:28,177 INFO L93 Difference]: Finished difference Result 15651 states and 22969 transitions. [2021-11-07 02:31:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 02:31:28,178 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-11-07 02:31:28,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:31:28,197 INFO L225 Difference]: With dead ends: 15651 [2021-11-07 02:31:28,197 INFO L226 Difference]: Without dead ends: 7842 [2021-11-07 02:31:28,210 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-07 02:31:28,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7842 states. [2021-11-07 02:31:28,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7842 to 7839. [2021-11-07 02:31:28,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7839 states, 7797 states have (on average 1.466846222906246) internal successors, (11437), 7800 states have internal predecessors, (11437), 23 states have call successors, (23), 15 states have call predecessors, (23), 15 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-07 02:31:28,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7839 states to 7839 states and 11483 transitions. [2021-11-07 02:31:28,491 INFO L78 Accepts]: Start accepts. Automaton has 7839 states and 11483 transitions. Word has length 85 [2021-11-07 02:31:28,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:31:28,491 INFO L470 AbstractCegarLoop]: Abstraction has 7839 states and 11483 transitions. [2021-11-07 02:31:28,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:31:28,492 INFO L276 IsEmpty]: Start isEmpty. Operand 7839 states and 11483 transitions. [2021-11-07 02:31:28,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-07 02:31:28,504 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:31:28,504 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:31:28,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 02:31:28,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-11-07 02:31:28,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 02:31:28,922 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION === [acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-07 02:31:28,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:31:28,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1684383834, now seen corresponding path program 1 times [2021-11-07 02:31:28,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:31:28,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1377856852] [2021-11-07 02:31:28,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:31:28,941 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:31:28,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:31:28,944 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:31:28,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892c2d0f-b3d2-47ac-8cb4-707197bf6761/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process