./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mouse--cyapatp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4a96c1-5131-4ace-bb71-0bba0eb77e44/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4a96c1-5131-4ace-bb71-0bba0eb77e44/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4a96c1-5131-4ace-bb71-0bba0eb77e44/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4a96c1-5131-4ace-bb71-0bba0eb77e44/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mouse--cyapatp.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4a96c1-5131-4ace-bb71-0bba0eb77e44/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4a96c1-5131-4ace-bb71-0bba0eb77e44/bin/utaipan-Q6hlc19bkW --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 d298fcfbeb680c2e33b414d76b7ec7ff33b14c51df8a5be440e59b165e3c2df1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 15:06:30,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:06:30,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:06:30,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:06:30,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:06:30,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:06:30,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:06:30,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:06:30,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:06:30,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:06:30,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:06:30,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:06:30,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:06:30,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:06:30,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:06:30,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:06:30,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:06:30,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:06:30,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:06:30,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:06:30,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:06:30,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:06:30,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:06:30,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:06:30,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:06:30,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:06:30,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:06:30,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:06:30,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:06:30,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:06:30,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:06:30,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:06:30,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:06:30,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:06:30,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:06:30,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:06:30,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:06:30,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:06:30,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:06:30,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:06:30,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:06:30,606 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4a96c1-5131-4ace-bb71-0bba0eb77e44/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:06:30,679 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:06:30,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:06:30,680 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:06:30,681 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:06:30,681 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:06:30,682 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:06:30,682 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:06:30,682 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:06:30,682 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:06:30,683 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:06:30,684 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:06:30,684 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:06:30,684 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:06:30,684 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:06:30,685 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:06:30,685 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:06:30,685 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:06:30,685 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:06:30,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:06:30,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:06:30,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:06:30,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:06:30,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:06:30,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:06:30,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:06:30,688 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:06:30,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:06:30,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:06:30,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:06:30,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:06:30,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:06:30,690 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:06:30,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:06:30,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:06:30,690 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:06:30,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:06:30,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:06:30,691 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:06:30,691 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_dd4a96c1-5131-4ace-bb71-0bba0eb77e44/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4a96c1-5131-4ace-bb71-0bba0eb77e44/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d298fcfbeb680c2e33b414d76b7ec7ff33b14c51df8a5be440e59b165e3c2df1 [2022-11-23 15:06:30,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:06:31,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:06:31,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:06:31,033 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:06:31,034 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:06:31,035 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4a96c1-5131-4ace-bb71-0bba0eb77e44/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mouse--cyapatp.ko-entry_point.cil.out.i [2022-11-23 15:06:34,143 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:06:34,791 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:06:34,792 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4a96c1-5131-4ace-bb71-0bba0eb77e44/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mouse--cyapatp.ko-entry_point.cil.out.i [2022-11-23 15:06:34,847 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4a96c1-5131-4ace-bb71-0bba0eb77e44/bin/utaipan-Q6hlc19bkW/data/045b307ed/4898918622e747d4a5af4d7ee592fc9c/FLAG1358f3f2c [2022-11-23 15:06:34,868 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4a96c1-5131-4ace-bb71-0bba0eb77e44/bin/utaipan-Q6hlc19bkW/data/045b307ed/4898918622e747d4a5af4d7ee592fc9c [2022-11-23 15:06:34,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:06:34,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:06:34,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:06:34,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:06:34,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:06:34,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:34" (1/1) ... [2022-11-23 15:06:34,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ccbc8f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:34, skipping insertion in model container [2022-11-23 15:06:34,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:34" (1/1) ... [2022-11-23 15:06:34,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:06:35,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:06:38,009 WARN L237 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_dd4a96c1-5131-4ace-bb71-0bba0eb77e44/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mouse--cyapatp.ko-entry_point.cil.out.i[322979,322992] [2022-11-23 15:06:38,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:06:38,320 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:06:38,944 WARN L237 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_dd4a96c1-5131-4ace-bb71-0bba0eb77e44/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mouse--cyapatp.ko-entry_point.cil.out.i[322979,322992] [2022-11-23 15:06:38,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:06:39,243 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:06:39,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:39 WrapperNode [2022-11-23 15:06:39,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:06:39,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:06:39,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:06:39,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:06:39,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:39" (1/1) ... [2022-11-23 15:06:39,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:39" (1/1) ... [2022-11-23 15:06:39,685 INFO L138 Inliner]: procedures = 464, calls = 3437, calls flagged for inlining = 185, calls inlined = 179, statements flattened = 9136 [2022-11-23 15:06:39,686 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:06:39,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:06:39,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:06:39,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:06:39,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:39" (1/1) ... [2022-11-23 15:06:39,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:39" (1/1) ... [2022-11-23 15:06:39,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:39" (1/1) ... [2022-11-23 15:06:39,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:39" (1/1) ... [2022-11-23 15:06:39,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:39" (1/1) ... [2022-11-23 15:06:40,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:39" (1/1) ... [2022-11-23 15:06:40,092 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:39" (1/1) ... [2022-11-23 15:06:40,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:39" (1/1) ... [2022-11-23 15:06:40,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:06:40,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:06:40,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:06:40,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:06:40,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:39" (1/1) ... [2022-11-23 15:06:40,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:06:40,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4a96c1-5131-4ace-bb71-0bba0eb77e44/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:06:40,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4a96c1-5131-4ace-bb71-0bba0eb77e44/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:06:40,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4a96c1-5131-4ace-bb71-0bba0eb77e44/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:06:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_read_idac_data [2022-11-23 15:06:40,416 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_read_idac_data [2022-11-23 15:06:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_bl_activate [2022-11-23 15:06:40,417 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_bl_activate [2022-11-23 15:06:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_set_suspended [2022-11-23 15:06:40,417 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_set_suspended [2022-11-23 15:06:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 15:06:40,417 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 15:06:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_write_byte [2022-11-23 15:06:40,418 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_write_byte [2022-11-23 15:06:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_do_calibrate [2022-11-23 15:06:40,418 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_do_calibrate [2022-11-23 15:06:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:06:40,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:06:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_irq_handler [2022-11-23 15:06:40,419 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_irq_handler [2022-11-23 15:06:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_irq [2022-11-23 15:06:40,419 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_irq [2022-11-23 15:06:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_calibrate_store [2022-11-23 15:06:40,420 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_calibrate_store [2022-11-23 15:06:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-23 15:06:40,420 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-23 15:06:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_state_sync_lock_of_cyapa [2022-11-23 15:06:40,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_state_sync_lock_of_cyapa [2022-11-23 15:06:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_irq_handler [2022-11-23 15:06:40,422 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_irq_handler [2022-11-23 15:06:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-23 15:06:40,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-23 15:06:40,423 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_sync_autosuspend [2022-11-23 15:06:40,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_sync_autosuspend [2022-11-23 15:06:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_reinitialize [2022-11-23 15:06:40,424 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_reinitialize [2022-11-23 15:06:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_show_product_id [2022-11-23 15:06:40,424 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_show_product_id [2022-11-23 15:06:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2022-11-23 15:06:40,425 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2022-11-23 15:06:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_show_mode [2022-11-23 15:06:40,426 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_show_mode [2022-11-23 15:06:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-11-23 15:06:40,426 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-11-23 15:06:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_create_input_dev [2022-11-23 15:06:40,426 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_create_input_dev [2022-11-23 15:06:40,427 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 15:06:40,427 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_irq_cmd_handler [2022-11-23 15:06:40,427 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_irq_cmd_handler [2022-11-23 15:06:40,427 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_show_baseline [2022-11-23 15:06:40,427 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_show_baseline [2022-11-23 15:06:40,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:06:40,428 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_initialize [2022-11-23 15:06:40,429 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_initialize [2022-11-23 15:06:40,429 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_i2c_reg_read_block [2022-11-23 15:06:40,429 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_i2c_reg_read_block [2022-11-23 15:06:40,430 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_pwr_cmd_to_sleep_time [2022-11-23 15:06:40,430 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_pwr_cmd_to_sleep_time [2022-11-23 15:06:40,431 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_runtime_suspend [2022-11-23 15:06:40,431 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_runtime_suspend [2022-11-23 15:06:40,431 INFO L130 BoogieDeclarations]: Found specification of procedure input_mt_sync_frame [2022-11-23 15:06:40,431 INFO L138 BoogieDeclarations]: Found implementation of procedure input_mt_sync_frame [2022-11-23 15:06:40,431 INFO L130 BoogieDeclarations]: Found specification of procedure input_mt_report_slot_state [2022-11-23 15:06:40,431 INFO L138 BoogieDeclarations]: Found implementation of procedure input_mt_report_slot_state [2022-11-23 15:06:40,432 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_probe [2022-11-23 15:06:40,432 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_probe [2022-11-23 15:06:40,432 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_res [2022-11-23 15:06:40,432 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_res [2022-11-23 15:06:40,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2022-11-23 15:06:40,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2022-11-23 15:06:40,433 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2022-11-23 15:06:40,433 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2022-11-23 15:06:40,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 15:06:40,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_state_sync_lock_of_cyapa [2022-11-23 15:06:40,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_state_sync_lock_of_cyapa [2022-11-23 15:06:40,434 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_update_fw_store [2022-11-23 15:06:40,435 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_update_fw_store [2022-11-23 15:06:40,435 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-23 15:06:40,436 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-23 15:06:40,436 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_check_fw [2022-11-23 15:06:40,436 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_check_fw [2022-11-23 15:06:40,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 15:06:40,436 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_i2c_reg_write_block [2022-11-23 15:06:40,437 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_i2c_reg_write_block [2022-11-23 15:06:40,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:06:40,438 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-11-23 15:06:40,438 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-11-23 15:06:40,438 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~~bool~0 [2022-11-23 15:06:40,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~~bool~0 [2022-11-23 15:06:40,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 15:06:40,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 15:06:40,439 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_suspend_scanning [2022-11-23 15:06:40,439 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_suspend_scanning [2022-11-23 15:06:40,439 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-11-23 15:06:40,439 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-11-23 15:06:40,440 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_sleep_time_to_pwr_cmd [2022-11-23 15:06:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_sleep_time_to_pwr_cmd [2022-11-23 15:06:40,441 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_show_rt_suspend_scanrate [2022-11-23 15:06:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_show_rt_suspend_scanrate [2022-11-23 15:06:40,441 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_set_power_mode [2022-11-23 15:06:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_set_power_mode [2022-11-23 15:06:40,442 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_show_fm_ver [2022-11-23 15:06:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_show_fm_ver [2022-11-23 15:06:40,442 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_update_suspend_scanrate [2022-11-23 15:06:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_update_suspend_scanrate [2022-11-23 15:06:40,443 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_calibrate_pwcs [2022-11-23 15:06:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_calibrate_pwcs [2022-11-23 15:06:40,443 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_bl_initiate [2022-11-23 15:06:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_bl_initiate [2022-11-23 15:06:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-23 15:06:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-23 15:06:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_irq_cmd_handler [2022-11-23 15:06:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_irq_cmd_handler [2022-11-23 15:06:40,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:06:40,446 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-23 15:06:40,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-23 15:06:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-23 15:06:40,450 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-23 15:06:40,450 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_do_fw_update [2022-11-23 15:06:40,450 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_do_fw_update [2022-11-23 15:06:40,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:06:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_streq [2022-11-23 15:06:40,453 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_streq [2022-11-23 15:06:40,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 15:06:40,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 15:06:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_show_suspend_scanrate [2022-11-23 15:06:40,459 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_show_suspend_scanrate [2022-11-23 15:06:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:06:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:06:40,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:06:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_bl_enter [2022-11-23 15:06:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_bl_enter [2022-11-23 15:06:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_read_block [2022-11-23 15:06:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_read_block [2022-11-23 15:06:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_read_panel_scan_raw_data [2022-11-23 15:06:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_read_panel_scan_raw_data [2022-11-23 15:06:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_deep_sleep [2022-11-23 15:06:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_deep_sleep [2022-11-23 15:06:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_read_byte [2022-11-23 15:06:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_read_byte [2022-11-23 15:06:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_change_power_state [2022-11-23 15:06:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_change_power_state [2022-11-23 15:06:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_do_operational_check [2022-11-23 15:06:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_do_operational_check [2022-11-23 15:06:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_bl_activate [2022-11-23 15:06:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_bl_activate [2022-11-23 15:06:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:06:40,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:06:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_do_operational_check [2022-11-23 15:06:40,463 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_do_operational_check [2022-11-23 15:06:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-11-23 15:06:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-23 15:06:40,463 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-23 15:06:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_open [2022-11-23 15:06:40,464 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_open [2022-11-23 15:06:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure crc_itu_t [2022-11-23 15:06:40,464 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_itu_t [2022-11-23 15:06:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 15:06:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 15:06:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 15:06:40,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 15:06:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-11-23 15:06:40,465 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-11-23 15:06:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_state_parse [2022-11-23 15:06:40,465 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_state_parse [2022-11-23 15:06:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_state_parse [2022-11-23 15:06:40,466 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_state_parse [2022-11-23 15:06:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-11-23 15:06:40,467 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-11-23 15:06:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2022-11-23 15:06:40,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2022-11-23 15:06:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-23 15:06:40,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-23 15:06:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 15:06:40,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 15:06:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_suspend [2022-11-23 15:06:40,468 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_suspend [2022-11-23 15:06:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-11-23 15:06:40,468 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-11-23 15:06:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-23 15:06:40,469 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-23 15:06:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:06:40,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:06:40,470 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_merge_group [2022-11-23 15:06:40,470 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_merge_group [2022-11-23 15:06:40,470 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-11-23 15:06:40,470 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-11-23 15:06:40,471 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_poll_state [2022-11-23 15:06:40,471 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_poll_state [2022-11-23 15:06:40,471 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 15:06:40,471 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 15:06:40,471 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2022-11-23 15:06:40,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2022-11-23 15:06:40,472 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_resume [2022-11-23 15:06:40,472 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_resume [2022-11-23 15:06:40,472 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-23 15:06:40,472 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-23 15:06:40,472 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_enable_irq_for_cmd [2022-11-23 15:06:40,472 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_enable_irq_for_cmd [2022-11-23 15:06:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-23 15:06:40,473 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-23 15:06:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure devm_add_action [2022-11-23 15:06:40,473 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_add_action [2022-11-23 15:06:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_state_sync_lock_of_cyapa [2022-11-23 15:06:40,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_state_sync_lock_of_cyapa [2022-11-23 15:06:40,474 INFO L130 BoogieDeclarations]: Found specification of procedure input_mt_slot [2022-11-23 15:06:40,474 INFO L138 BoogieDeclarations]: Found implementation of procedure input_mt_slot [2022-11-23 15:06:40,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:06:40,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:06:40,474 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-23 15:06:40,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-23 15:06:40,475 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_i2c_pip_read [2022-11-23 15:06:40,475 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_i2c_pip_read [2022-11-23 15:06:40,475 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-11-23 15:06:40,475 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-11-23 15:06:40,475 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-11-23 15:06:40,476 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-11-23 15:06:40,476 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-23 15:06:40,476 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-23 15:06:40,476 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_empty_pip_output_data [2022-11-23 15:06:40,476 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_empty_pip_output_data [2022-11-23 15:06:40,476 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2022-11-23 15:06:40,477 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2022-11-23 15:06:40,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:06:40,477 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_bl_enter [2022-11-23 15:06:40,477 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_bl_enter [2022-11-23 15:06:40,477 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_update_rt_suspend_scanrate [2022-11-23 15:06:40,477 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_update_rt_suspend_scanrate [2022-11-23 15:06:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_i2c_pip_write [2022-11-23 15:06:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_i2c_pip_write [2022-11-23 15:06:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-23 15:06:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-23 15:06:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-23 15:06:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-23 15:06:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_set_power_mode [2022-11-23 15:06:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_set_power_mode [2022-11-23 15:06:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-23 15:06:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-23 15:06:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtou16 [2022-11-23 15:06:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtou16 [2022-11-23 15:06:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_initialize [2022-11-23 15:06:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_initialize [2022-11-23 15:06:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~TO~int [2022-11-23 15:06:40,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~TO~int [2022-11-23 15:06:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2022-11-23 15:06:40,485 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2022-11-23 15:06:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_do_fw_update [2022-11-23 15:06:40,486 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_do_fw_update [2022-11-23 15:06:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2022-11-23 15:06:40,486 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2022-11-23 15:06:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_write_blocks [2022-11-23 15:06:40,487 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_write_blocks [2022-11-23 15:06:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_set_status [2022-11-23 15:06:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_set_status [2022-11-23 15:06:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2022-11-23 15:06:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2022-11-23 15:06:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_bl_initiate [2022-11-23 15:06:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_bl_initiate [2022-11-23 15:06:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_empty_output_data [2022-11-23 15:06:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_empty_output_data [2022-11-23 15:06:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-11-23 15:06:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-11-23 15:06:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_resume_scanning [2022-11-23 15:06:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_resume_scanning [2022-11-23 15:06:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-23 15:06:40,491 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-23 15:06:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_enabled [2022-11-23 15:06:40,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_enabled [2022-11-23 15:06:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:06:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_check_is_operational [2022-11-23 15:06:40,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_check_is_operational [2022-11-23 15:06:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2022-11-23 15:06:40,492 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2022-11-23 15:06:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_disable [2022-11-23 15:06:40,492 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_disable [2022-11-23 15:06:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 15:06:40,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 15:06:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_unmerge_group [2022-11-23 15:06:40,493 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_unmerge_group [2022-11-23 15:06:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_state_sync_lock_of_cyapa [2022-11-23 15:06:40,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_state_sync_lock_of_cyapa [2022-11-23 15:06:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-11-23 15:06:40,493 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-11-23 15:06:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-23 15:06:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-23 15:06:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_block_data [2022-11-23 15:06:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_block_data [2022-11-23 15:06:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_do_calibrate [2022-11-23 15:06:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_do_calibrate [2022-11-23 15:06:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-23 15:06:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-23 15:06:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_disable_irq_for_cmd [2022-11-23 15:06:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_disable_irq_for_cmd [2022-11-23 15:06:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-11-23 15:06:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-11-23 15:06:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2022-11-23 15:06:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2022-11-23 15:06:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_show_baseline [2022-11-23 15:06:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_show_baseline [2022-11-23 15:06:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-23 15:06:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-23 15:06:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-23 15:06:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-23 15:06:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-11-23 15:06:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-11-23 15:06:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-23 15:06:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-23 15:06:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-11-23 15:06:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-11-23 15:06:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_bl_deactivate [2022-11-23 15:06:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_bl_deactivate [2022-11-23 15:06:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_show_baseline [2022-11-23 15:06:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_show_baseline [2022-11-23 15:06:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_set_active [2022-11-23 15:06:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_set_active [2022-11-23 15:06:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_detect [2022-11-23 15:06:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_detect [2022-11-23 15:06:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 15:06:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 15:06:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_i2c_pip_cmd_irq_sync [2022-11-23 15:06:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_i2c_pip_cmd_irq_sync [2022-11-23 15:06:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_enable [2022-11-23 15:06:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_enable [2022-11-23 15:06:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_check_fw [2022-11-23 15:06:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_check_fw [2022-11-23 15:06:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:06:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmd_lock_of_cyapa_gen5_cmd_states [2022-11-23 15:06:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmd_lock_of_cyapa_gen5_cmd_states [2022-11-23 15:06:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_runtime_resume [2022-11-23 15:06:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_runtime_resume [2022-11-23 15:06:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_csum [2022-11-23 15:06:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_csum [2022-11-23 15:06:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_parse_structure_data [2022-11-23 15:06:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_parse_structure_data [2022-11-23 15:06:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_bl_deactivate [2022-11-23 15:06:40,502 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_bl_deactivate [2022-11-23 15:06:41,915 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:06:41,920 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:06:43,729 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 15:07:03,350 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:07:07,420 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:07:07,420 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 15:07:07,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:07:07 BoogieIcfgContainer [2022-11-23 15:07:07,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:07:07,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:07:07,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:07:07,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:07:07,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:06:34" (1/3) ... [2022-11-23 15:07:07,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31a7fbcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:07:07, skipping insertion in model container [2022-11-23 15:07:07,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:39" (2/3) ... [2022-11-23 15:07:07,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31a7fbcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:07:07, skipping insertion in model container [2022-11-23 15:07:07,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:07:07" (3/3) ... [2022-11-23 15:07:07,437 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--input--mouse--cyapatp.ko-entry_point.cil.out.i [2022-11-23 15:07:07,460 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:07:07,461 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:07:07,570 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:07:07,577 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@75afb36c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:07:07,577 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:07:07,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 2344 states, 1513 states have (on average 1.3879709187045606) internal successors, (2100), 1563 states have internal predecessors, (2100), 673 states have call successors, (673), 157 states have call predecessors, (673), 156 states have return successors, (655), 655 states have call predecessors, (655), 655 states have call successors, (655) [2022-11-23 15:07:07,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-11-23 15:07:07,616 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:07:07,617 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:07:07,618 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:07:07,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:07:07,624 INFO L85 PathProgramCache]: Analyzing trace with hash -2083228589, now seen corresponding path program 1 times [2022-11-23 15:07:07,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:07:07,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074464690] [2022-11-23 15:07:07,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:07:07,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:07:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:07:09,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1068 trivial. 0 not checked. [2022-11-23 15:07:09,145 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:07:09,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074464690] [2022-11-23 15:07:09,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074464690] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:07:09,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:07:09,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:07:09,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528882962] [2022-11-23 15:07:09,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:07:09,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:07:09,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:07:09,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:07:09,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:07:09,221 INFO L87 Difference]: Start difference. First operand has 2344 states, 1513 states have (on average 1.3879709187045606) internal successors, (2100), 1563 states have internal predecessors, (2100), 673 states have call successors, (673), 157 states have call predecessors, (673), 156 states have return successors, (655), 655 states have call predecessors, (655), 655 states have call successors, (655) Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-23 15:07:15,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:07:18,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:07:18,205 INFO L93 Difference]: Finished difference Result 6890 states and 10441 transitions. [2022-11-23 15:07:18,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:07:18,208 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 210 [2022-11-23 15:07:18,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:07:18,256 INFO L225 Difference]: With dead ends: 6890 [2022-11-23 15:07:18,256 INFO L226 Difference]: Without dead ends: 4556 [2022-11-23 15:07:18,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:07:18,291 INFO L413 NwaCegarLoop]: 3714 mSDtfsCounter, 3347 mSDsluCounter, 3014 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3351 SdHoareTripleChecker+Valid, 6728 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:07:18,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3351 Valid, 6728 Invalid, 659 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 656 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2022-11-23 15:07:18,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4556 states. [2022-11-23 15:07:18,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4556 to 4536. [2022-11-23 15:07:18,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4536 states, 2963 states have (on average 1.3776577792777591) internal successors, (4082), 3014 states have internal predecessors, (4082), 1263 states have call successors, (1263), 310 states have call predecessors, (1263), 309 states have return successors, (1256), 1251 states have call predecessors, (1256), 1252 states have call successors, (1256) [2022-11-23 15:07:18,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4536 states to 4536 states and 6601 transitions. [2022-11-23 15:07:18,679 INFO L78 Accepts]: Start accepts. Automaton has 4536 states and 6601 transitions. Word has length 210 [2022-11-23 15:07:18,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:07:18,684 INFO L495 AbstractCegarLoop]: Abstraction has 4536 states and 6601 transitions. [2022-11-23 15:07:18,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-23 15:07:18,685 INFO L276 IsEmpty]: Start isEmpty. Operand 4536 states and 6601 transitions. [2022-11-23 15:07:18,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-11-23 15:07:18,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:07:18,699 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:07:18,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:07:18,700 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:07:18,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:07:18,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1173407064, now seen corresponding path program 1 times [2022-11-23 15:07:18,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:07:18,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729766937] [2022-11-23 15:07:18,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:07:18,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:07:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:07:19,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1068 trivial. 0 not checked. [2022-11-23 15:07:19,494 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:07:19,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729766937] [2022-11-23 15:07:19,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729766937] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:07:19,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:07:19,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:07:19,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112922850] [2022-11-23 15:07:19,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:07:19,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:07:19,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:07:19,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:07:19,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:07:19,499 INFO L87 Difference]: Start difference. First operand 4536 states and 6601 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-23 15:07:27,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:07:28,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:07:28,729 INFO L93 Difference]: Finished difference Result 13408 states and 19480 transitions. [2022-11-23 15:07:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:07:28,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 212 [2022-11-23 15:07:28,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:07:28,816 INFO L225 Difference]: With dead ends: 13408 [2022-11-23 15:07:28,817 INFO L226 Difference]: Without dead ends: 8923 [2022-11-23 15:07:28,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:07:28,854 INFO L413 NwaCegarLoop]: 3671 mSDtfsCounter, 3282 mSDsluCounter, 2963 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3282 SdHoareTripleChecker+Valid, 6634 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:07:28,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3282 Valid, 6634 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 664 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2022-11-23 15:07:28,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8923 states. [2022-11-23 15:07:29,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8923 to 8903. [2022-11-23 15:07:29,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8903 states, 5811 states have (on average 1.3737738771295818) internal successors, (7983), 5904 states have internal predecessors, (7983), 2474 states have call successors, (2474), 618 states have call predecessors, (2474), 617 states have return successors, (2471), 2460 states have call predecessors, (2471), 2463 states have call successors, (2471) [2022-11-23 15:07:29,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8903 states to 8903 states and 12928 transitions. [2022-11-23 15:07:29,529 INFO L78 Accepts]: Start accepts. Automaton has 8903 states and 12928 transitions. Word has length 212 [2022-11-23 15:07:29,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:07:29,530 INFO L495 AbstractCegarLoop]: Abstraction has 8903 states and 12928 transitions. [2022-11-23 15:07:29,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-23 15:07:29,532 INFO L276 IsEmpty]: Start isEmpty. Operand 8903 states and 12928 transitions. [2022-11-23 15:07:29,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-11-23 15:07:29,538 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:07:29,538 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:07:29,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:07:29,539 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:07:29,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:07:29,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1143161150, now seen corresponding path program 1 times [2022-11-23 15:07:29,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:07:29,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12566712] [2022-11-23 15:07:29,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:07:29,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:07:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:07:30,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1068 trivial. 0 not checked. [2022-11-23 15:07:30,180 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:07:30,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12566712] [2022-11-23 15:07:30,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12566712] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:07:30,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:07:30,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:07:30,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108967373] [2022-11-23 15:07:30,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:07:30,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:07:30,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:07:30,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:07:30,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:07:30,188 INFO L87 Difference]: Start difference. First operand 8903 states and 12928 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-23 15:07:32,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:07:34,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:07:41,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:07:41,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:07:41,916 INFO L93 Difference]: Finished difference Result 26552 states and 38552 transitions. [2022-11-23 15:07:41,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:07:41,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 212 [2022-11-23 15:07:41,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:07:42,065 INFO L225 Difference]: With dead ends: 26552 [2022-11-23 15:07:42,066 INFO L226 Difference]: Without dead ends: 17700 [2022-11-23 15:07:42,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:07:42,132 INFO L413 NwaCegarLoop]: 3735 mSDtfsCounter, 3272 mSDsluCounter, 3046 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3272 SdHoareTripleChecker+Valid, 6781 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:07:42,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3272 Valid, 6781 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 675 Invalid, 3 Unknown, 0 Unchecked, 11.1s Time] [2022-11-23 15:07:42,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17700 states. [2022-11-23 15:07:43,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17700 to 17677. [2022-11-23 15:07:43,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17677 states, 11551 states have (on average 1.3746861743571985) internal successors, (15879), 11728 states have internal predecessors, (15879), 4892 states have call successors, (4892), 1234 states have call predecessors, (4892), 1233 states have return successors, (4897), 4874 states have call predecessors, (4897), 4881 states have call successors, (4897) [2022-11-23 15:07:43,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17677 states to 17677 states and 25668 transitions. [2022-11-23 15:07:43,494 INFO L78 Accepts]: Start accepts. Automaton has 17677 states and 25668 transitions. Word has length 212 [2022-11-23 15:07:43,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:07:43,495 INFO L495 AbstractCegarLoop]: Abstraction has 17677 states and 25668 transitions. [2022-11-23 15:07:43,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-23 15:07:43,496 INFO L276 IsEmpty]: Start isEmpty. Operand 17677 states and 25668 transitions. [2022-11-23 15:07:43,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-23 15:07:43,500 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:07:43,500 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:07:43,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:07:43,501 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:07:43,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:07:43,502 INFO L85 PathProgramCache]: Analyzing trace with hash 776527838, now seen corresponding path program 1 times [2022-11-23 15:07:43,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:07:43,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151230404] [2022-11-23 15:07:43,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:07:43,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:07:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:07:44,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1068 trivial. 0 not checked. [2022-11-23 15:07:44,291 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:07:44,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151230404] [2022-11-23 15:07:44,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151230404] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:07:44,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:07:44,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:07:44,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682659789] [2022-11-23 15:07:44,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:07:44,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:07:44,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:07:44,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:07:44,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:07:44,296 INFO L87 Difference]: Start difference. First operand 17677 states and 25668 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-11-23 15:07:46,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:07:47,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:07:49,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:07:53,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:07:57,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:07:59,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:07:59,227 INFO L93 Difference]: Finished difference Result 52748 states and 76575 transitions. [2022-11-23 15:07:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:07:59,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 209 [2022-11-23 15:07:59,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:07:59,450 INFO L225 Difference]: With dead ends: 52748 [2022-11-23 15:07:59,450 INFO L226 Difference]: Without dead ends: 35122 [2022-11-23 15:07:59,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:07:59,546 INFO L413 NwaCegarLoop]: 3737 mSDtfsCounter, 3229 mSDsluCounter, 3044 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3229 SdHoareTripleChecker+Valid, 6781 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:07:59,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3229 Valid, 6781 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 679 Invalid, 2 Unknown, 0 Unchecked, 13.7s Time] [2022-11-23 15:07:59,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35122 states. [2022-11-23 15:08:01,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35122 to 35114. [2022-11-23 15:08:01,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35114 states, 22980 states have (on average 1.3748041775456918) internal successors, (31593), 23317 states have internal predecessors, (31593), 9668 states have call successors, (9668), 2466 states have call predecessors, (9668), 2465 states have return successors, (9689), 9650 states have call predecessors, (9689), 9657 states have call successors, (9689) [2022-11-23 15:08:01,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35114 states to 35114 states and 50950 transitions. [2022-11-23 15:08:01,813 INFO L78 Accepts]: Start accepts. Automaton has 35114 states and 50950 transitions. Word has length 209 [2022-11-23 15:08:01,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:08:01,814 INFO L495 AbstractCegarLoop]: Abstraction has 35114 states and 50950 transitions. [2022-11-23 15:08:01,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-11-23 15:08:01,815 INFO L276 IsEmpty]: Start isEmpty. Operand 35114 states and 50950 transitions. [2022-11-23 15:08:01,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-23 15:08:01,824 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:08:01,824 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:08:01,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:08:01,825 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:08:01,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:08:01,826 INFO L85 PathProgramCache]: Analyzing trace with hash 952877937, now seen corresponding path program 1 times [2022-11-23 15:08:01,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:08:01,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414540696] [2022-11-23 15:08:01,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:08:01,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:08:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:08:02,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1068 trivial. 0 not checked. [2022-11-23 15:08:02,809 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:08:02,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414540696] [2022-11-23 15:08:02,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414540696] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:08:02,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:08:02,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:08:02,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14196066] [2022-11-23 15:08:02,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:08:02,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:08:02,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:08:02,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:08:02,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:08:02,811 INFO L87 Difference]: Start difference. First operand 35114 states and 50950 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-23 15:08:04,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:08:06,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:08:13,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:08:13,790 INFO L93 Difference]: Finished difference Result 104168 states and 151116 transitions. [2022-11-23 15:08:13,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:08:13,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 213 [2022-11-23 15:08:13,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:08:14,293 INFO L225 Difference]: With dead ends: 104168 [2022-11-23 15:08:14,294 INFO L226 Difference]: Without dead ends: 69105 [2022-11-23 15:08:14,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:08:14,474 INFO L413 NwaCegarLoop]: 3753 mSDtfsCounter, 3202 mSDsluCounter, 3046 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3202 SdHoareTripleChecker+Valid, 6799 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:08:14,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3202 Valid, 6799 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 680 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time] [2022-11-23 15:08:14,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69105 states. [2022-11-23 15:08:18,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69105 to 69082. [2022-11-23 15:08:18,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69082 states, 45268 states have (on average 1.3758283997525846) internal successors, (62281), 45917 states have internal predecessors, (62281), 18932 states have call successors, (18932), 4882 states have call predecessors, (18932), 4881 states have return successors, (18985), 18906 states have call predecessors, (18985), 18921 states have call successors, (18985) [2022-11-23 15:08:18,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69082 states to 69082 states and 100198 transitions. [2022-11-23 15:08:18,867 INFO L78 Accepts]: Start accepts. Automaton has 69082 states and 100198 transitions. Word has length 213 [2022-11-23 15:08:18,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:08:18,868 INFO L495 AbstractCegarLoop]: Abstraction has 69082 states and 100198 transitions. [2022-11-23 15:08:18,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-23 15:08:18,869 INFO L276 IsEmpty]: Start isEmpty. Operand 69082 states and 100198 transitions. [2022-11-23 15:08:18,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-23 15:08:18,873 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:08:18,873 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:08:18,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:08:18,873 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:08:18,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:08:18,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1189580914, now seen corresponding path program 1 times [2022-11-23 15:08:18,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:08:18,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80388715] [2022-11-23 15:08:18,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:08:18,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:08:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:08:19,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1068 trivial. 0 not checked. [2022-11-23 15:08:19,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:08:19,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80388715] [2022-11-23 15:08:19,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80388715] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:08:19,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:08:19,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:08:19,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516182746] [2022-11-23 15:08:19,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:08:19,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:08:19,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:08:19,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:08:19,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:08:19,365 INFO L87 Difference]: Start difference. First operand 69082 states and 100198 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-23 15:08:21,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:08:24,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:08:28,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:08:34,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:08:34,866 INFO L93 Difference]: Finished difference Result 206248 states and 299132 transitions. [2022-11-23 15:08:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:08:34,867 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), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 214 [2022-11-23 15:08:34,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:08:35,951 INFO L225 Difference]: With dead ends: 206248 [2022-11-23 15:08:35,951 INFO L226 Difference]: Without dead ends: 137217 [2022-11-23 15:08:36,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:08:36,405 INFO L413 NwaCegarLoop]: 3846 mSDtfsCounter, 3222 mSDsluCounter, 3046 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3226 SdHoareTripleChecker+Valid, 6892 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:08:36,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3226 Valid, 6892 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 686 Invalid, 3 Unknown, 0 Unchecked, 10.6s Time] [2022-11-23 15:08:36,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137217 states. [2022-11-23 15:08:42,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137217 to 137194. [2022-11-23 15:08:42,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137194 states, 89908 states have (on average 1.375728522489656) internal successors, (123689), 91197 states have internal predecessors, (123689), 37540 states have call successors, (37540), 9746 states have call predecessors, (37540), 9745 states have return successors, (37721), 37498 states have call predecessors, (37721), 37529 states have call successors, (37721) [2022-11-23 15:08:43,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137194 states to 137194 states and 198950 transitions. [2022-11-23 15:08:43,638 INFO L78 Accepts]: Start accepts. Automaton has 137194 states and 198950 transitions. Word has length 214 [2022-11-23 15:08:43,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:08:43,639 INFO L495 AbstractCegarLoop]: Abstraction has 137194 states and 198950 transitions. [2022-11-23 15:08:43,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-23 15:08:43,639 INFO L276 IsEmpty]: Start isEmpty. Operand 137194 states and 198950 transitions. [2022-11-23 15:08:43,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-11-23 15:08:43,644 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:08:43,645 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:08:43,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 15:08:43,645 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:08:43,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:08:43,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1518312582, now seen corresponding path program 1 times [2022-11-23 15:08:43,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:08:43,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865492759] [2022-11-23 15:08:43,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:08:43,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:08:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:08:44,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1068 trivial. 0 not checked. [2022-11-23 15:08:44,227 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:08:44,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865492759] [2022-11-23 15:08:44,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865492759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:08:44,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:08:44,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:08:44,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617351429] [2022-11-23 15:08:44,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:08:44,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:08:44,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:08:44,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:08:44,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:08:44,229 INFO L87 Difference]: Start difference. First operand 137194 states and 198950 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-23 15:08:51,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:09:00,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:09:00,148 INFO L93 Difference]: Finished difference Result 270986 states and 409687 transitions. [2022-11-23 15:09:00,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:09:00,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 212 [2022-11-23 15:09:00,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:09:02,506 INFO L225 Difference]: With dead ends: 270986 [2022-11-23 15:09:02,506 INFO L226 Difference]: Without dead ends: 270982 [2022-11-23 15:09:02,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:09:02,643 INFO L413 NwaCegarLoop]: 4098 mSDtfsCounter, 3366 mSDsluCounter, 3097 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3366 SdHoareTripleChecker+Valid, 7195 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:09:02,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3366 Valid, 7195 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 700 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time]