./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--net--wireless--ti--wl12xx--wl12xx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--ti--wl12xx--wl12xx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/bin/utaipan-I9t0OCRTmS --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 1e656e08f859c02a2fcbde115f6fa3d541385535606558c0d455741014c679db --- 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-8393723 [2022-11-19 07:35:00,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:35:00,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:35:00,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:35:00,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:35:00,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:35:00,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:35:00,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:35:00,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:35:00,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:35:00,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:35:00,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:35:00,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:35:00,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:35:00,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:35:00,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:35:00,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:35:00,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:35:00,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:35:00,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:35:00,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:35:00,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:35:00,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:35:00,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:35:00,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:35:00,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:35:00,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:35:00,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:35:00,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:35:00,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:35:00,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:35:00,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:35:00,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:35:00,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:35:00,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:35:00,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:35:00,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:35:00,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:35:00,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:35:00,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:35:00,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:35:00,978 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:35:01,018 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:35:01,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:35:01,020 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:35:01,020 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:35:01,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:35:01,021 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:35:01,021 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:35:01,022 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:35:01,022 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:35:01,022 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:35:01,023 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:35:01,023 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:35:01,024 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:35:01,024 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:35:01,024 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:35:01,024 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:35:01,024 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:35:01,025 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:35:01,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:35:01,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:35:01,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:35:01,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:35:01,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:35:01,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:35:01,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:35:01,028 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:35:01,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:35:01,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:35:01,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:35:01,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:35:01,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:35:01,030 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:35:01,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:35:01,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:35:01,031 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:35:01,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:35:01,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:35:01,032 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:35:01,032 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_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e656e08f859c02a2fcbde115f6fa3d541385535606558c0d455741014c679db [2022-11-19 07:35:01,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:35:01,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:35:01,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:35:01,402 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:35:01,403 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:35:01,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--ti--wl12xx--wl12xx.ko-entry_point.cil.out.i [2022-11-19 07:35:01,472 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/bin/utaipan-I9t0OCRTmS/data/850b26663/400724ba1bad4579a257980ff4543570/FLAG9dc5a44cd [2022-11-19 07:35:02,601 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:35:02,601 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--ti--wl12xx--wl12xx.ko-entry_point.cil.out.i [2022-11-19 07:35:02,678 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/bin/utaipan-I9t0OCRTmS/data/850b26663/400724ba1bad4579a257980ff4543570/FLAG9dc5a44cd [2022-11-19 07:35:02,860 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/bin/utaipan-I9t0OCRTmS/data/850b26663/400724ba1bad4579a257980ff4543570 [2022-11-19 07:35:02,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:35:02,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:35:02,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:35:02,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:35:02,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:35:02,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:02" (1/1) ... [2022-11-19 07:35:02,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fc445d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:02, skipping insertion in model container [2022-11-19 07:35:02,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:02" (1/1) ... [2022-11-19 07:35:02,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:35:03,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:35:08,943 WARN L234 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_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--ti--wl12xx--wl12xx.ko-entry_point.cil.out.i[602654,602667] [2022-11-19 07:35:09,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:35:09,437 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:35:10,229 WARN L234 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_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--ti--wl12xx--wl12xx.ko-entry_point.cil.out.i[602654,602667] [2022-11-19 07:35:10,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:35:10,722 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:35:10,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10 WrapperNode [2022-11-19 07:35:10,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:35:10,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:35:10,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:35:10,725 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:35:10,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10" (1/1) ... [2022-11-19 07:35:10,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10" (1/1) ... [2022-11-19 07:35:11,543 INFO L138 Inliner]: procedures = 616, calls = 8387, calls flagged for inlining = 398, calls inlined = 395, statements flattened = 18898 [2022-11-19 07:35:11,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:35:11,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:35:11,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:35:11,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:35:11,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10" (1/1) ... [2022-11-19 07:35:11,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10" (1/1) ... [2022-11-19 07:35:11,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10" (1/1) ... [2022-11-19 07:35:11,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10" (1/1) ... [2022-11-19 07:35:11,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10" (1/1) ... [2022-11-19 07:35:12,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10" (1/1) ... [2022-11-19 07:35:12,325 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10" (1/1) ... [2022-11-19 07:35:12,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10" (1/1) ... [2022-11-19 07:35:12,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:35:12,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:35:12,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:35:12,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:35:12,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10" (1/1) ... [2022-11-19 07:35:12,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:35:12,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:35:12,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:35:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_80 [2022-11-19 07:35:12,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_80 [2022-11-19 07:35:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_disable_interrupts [2022-11-19 07:35:12,590 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_disable_interrupts [2022-11-19 07:35:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_debugfs_add_files [2022-11-19 07:35:12,590 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_debugfs_add_files [2022-11-19 07:35:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_cmd_channel_switch [2022-11-19 07:35:12,590 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_cmd_channel_switch [2022-11-19 07:35:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_write_reg [2022-11-19 07:35:12,591 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_write_reg [2022-11-19 07:35:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_hw_init [2022-11-19 07:35:12,591 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_hw_init [2022-11-19 07:35:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 07:35:12,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 07:35:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-19 07:35:12,592 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-19 07:35:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:35:12,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:35:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_calc_tx_blocks [2022-11-19 07:35:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_calc_tx_blocks [2022-11-19 07:35:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-11-19 07:35:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-11-19 07:35:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_trigger_cmd [2022-11-19 07:35:12,594 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_trigger_cmd [2022-11-19 07:35:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_wl1271 [2022-11-19 07:35:12,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_wl1271 [2022-11-19 07:35:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_debugfs_update_stats [2022-11-19 07:35:12,595 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_debugfs_update_stats [2022-11-19 07:35:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure generic_file_llseek [2022-11-19 07:35:12,595 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_file_llseek [2022-11-19 07:35:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_sta_get_ap_rate_mask [2022-11-19 07:35:12,596 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_sta_get_ap_rate_mask [2022-11-19 07:35:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_set_tx_desc_data_len [2022-11-19 07:35:12,596 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_set_tx_desc_data_len [2022-11-19 07:35:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_convert_fw_status [2022-11-19 07:35:12,597 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_convert_fw_status [2022-11-19 07:35:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_top_reg_write [2022-11-19 07:35:12,597 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_top_reg_write [2022-11-19 07:35:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_cmd_send [2022-11-19 07:35:12,598 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_cmd_send [2022-11-19 07:35:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 07:35:12,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 07:35:12,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:35:12,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:35:12,623 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-19 07:35:12,623 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-19 07:35:12,623 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 07:35:12,623 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 07:35:12,623 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-11-19 07:35:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-11-19 07:35:12,624 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_identify_chip [2022-11-19 07:35:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_identify_chip [2022-11-19 07:35:12,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:35:12,624 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_tx_min_rate_get [2022-11-19 07:35:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_tx_min_rate_get [2022-11-19 07:35:12,624 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_remove [2022-11-19 07:35:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_remove [2022-11-19 07:35:12,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:35:12,625 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_set_peer_cap [2022-11-19 07:35:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_set_peer_cap [2022-11-19 07:35:12,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:35:12,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 07:35:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 07:35:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_wait_for_event [2022-11-19 07:35:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_wait_for_event [2022-11-19 07:35:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-19 07:35:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-19 07:35:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_set_min_fw_ver [2022-11-19 07:35:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_set_min_fw_ver [2022-11-19 07:35:12,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 07:35:12,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 07:35:12,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:35:12,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:35:12,627 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_cmd_build_probe_req [2022-11-19 07:35:12,627 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_cmd_build_probe_req [2022-11-19 07:35:12,627 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 07:35:12,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 07:35:12,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:35:12,628 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:35:12,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:35:12,628 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_lnk_low_prio [2022-11-19 07:35:12,628 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_lnk_low_prio [2022-11-19 07:35:12,628 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 07:35:12,629 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 07:35:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_set_partition [2022-11-19 07:35:12,629 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_set_partition [2022-11-19 07:35:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_top_reg_read [2022-11-19 07:35:12,629 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_top_reg_read [2022-11-19 07:35:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_get_rx_packet_len [2022-11-19 07:35:12,629 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_get_rx_packet_len [2022-11-19 07:35:12,630 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_scan_stop [2022-11-19 07:35:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_scan_stop [2022-11-19 07:35:12,630 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 07:35:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 07:35:12,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:35:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:35:12,630 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-19 07:35:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-19 07:35:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:35:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_probe [2022-11-19 07:35:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_probe [2022-11-19 07:35:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:35:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:35:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:35:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_boot [2022-11-19 07:35:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_boot [2022-11-19 07:35:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure wl128x_switch_tcxo_to_fref [2022-11-19 07:35:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure wl128x_switch_tcxo_to_fref [2022-11-19 07:35:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_process_mailbox_events [2022-11-19 07:35:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_process_mailbox_events [2022-11-19 07:35:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_translate_addr [2022-11-19 07:35:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_translate_addr [2022-11-19 07:35:12,633 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_raw_read32 [2022-11-19 07:35:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_raw_read32 [2022-11-19 07:35:12,633 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_raw_write [2022-11-19 07:35:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_raw_write [2022-11-19 07:35:12,633 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 07:35:12,647 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 07:35:12,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 07:35:12,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 07:35:12,647 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_scan_send [2022-11-19 07:35:12,647 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_scan_send [2022-11-19 07:35:12,647 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_get_pg_ver [2022-11-19 07:35:12,648 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_get_pg_ver [2022-11-19 07:35:12,648 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_raw_write32 [2022-11-19 07:35:12,648 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_raw_write32 [2022-11-19 07:35:12,648 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_scan_stm [2022-11-19 07:35:12,648 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_scan_stm [2022-11-19 07:35:12,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:35:12,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:35:12,649 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:35:12,649 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:35:12,649 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-19 07:35:12,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-19 07:35:12,649 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_set_tx_desc_blocks [2022-11-19 07:35:12,649 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_set_tx_desc_blocks [2022-11-19 07:35:12,649 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_set_tx_desc_csum [2022-11-19 07:35:12,650 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_set_tx_desc_csum [2022-11-19 07:35:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_set_key [2022-11-19 07:35:12,650 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_set_key [2022-11-19 07:35:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_set_ht_cap [2022-11-19 07:35:12,650 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_set_ht_cap [2022-11-19 07:35:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:35:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_get_rx_buf_align [2022-11-19 07:35:12,651 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_get_rx_buf_align [2022-11-19 07:35:12,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:35:12,651 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_lnk_high_prio [2022-11-19 07:35:12,651 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_lnk_high_prio [2022-11-19 07:35:12,651 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_get_clock_idx [2022-11-19 07:35:12,651 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_get_clock_idx [2022-11-19 07:35:12,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:35:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-19 07:35:12,652 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-19 07:35:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_read32 [2022-11-19 07:35:12,652 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_read32 [2022-11-19 07:35:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_write32 [2022-11-19 07:35:12,652 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_write32 [2022-11-19 07:35:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 07:35:12,652 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 07:35:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:35:12,653 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:35:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-19 07:35:12,653 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-19 07:35:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~~bool~0~TO~int [2022-11-19 07:35:12,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~~bool~0~TO~int [2022-11-19 07:35:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:35:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:35:12,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:35:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_calc_packet_alignment [2022-11-19 07:35:12,654 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_calc_packet_alignment [2022-11-19 07:35:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_scan_start [2022-11-19 07:35:12,654 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_scan_start [2022-11-19 07:35:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_wl1271 [2022-11-19 07:35:12,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_wl1271 [2022-11-19 07:35:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-19 07:35:12,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-19 07:35:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_get_mac [2022-11-19 07:35:12,655 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_get_mac [2022-11-19 07:35:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_setup [2022-11-19 07:35:12,655 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_setup [2022-11-19 07:35:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_scan_sched_scan_stop [2022-11-19 07:35:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_scan_sched_scan_stop [2022-11-19 07:35:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-19 07:35:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-19 07:35:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_plt_init [2022-11-19 07:35:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_plt_init [2022-11-19 07:35:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_write [2022-11-19 07:35:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_write [2022-11-19 07:35:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-19 07:35:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-19 07:35:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_tx_delayed_compl [2022-11-19 07:35:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_tx_delayed_compl [2022-11-19 07:35:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_cmd_test [2022-11-19 07:35:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_cmd_test [2022-11-19 07:35:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-11-19 07:35:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-11-19 07:35:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_ack_event [2022-11-19 07:35:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_ack_event [2022-11-19 07:35:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:35:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_convert_hwaddr [2022-11-19 07:35:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_convert_hwaddr [2022-11-19 07:35:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_get_spare_blocks [2022-11-19 07:35:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_get_spare_blocks [2022-11-19 07:35:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_sched_scan_start [2022-11-19 07:35:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_sched_scan_start [2022-11-19 07:35:14,719 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:35:14,726 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:35:16,496 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:37:40,737 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:37:45,179 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:37:45,179 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:37:45,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:45 BoogieIcfgContainer [2022-11-19 07:37:45,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:37:45,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:37:45,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:37:45,195 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:37:45,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:35:02" (1/3) ... [2022-11-19 07:37:45,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e015d57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:45, skipping insertion in model container [2022-11-19 07:37:45,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10" (2/3) ... [2022-11-19 07:37:45,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e015d57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:45, skipping insertion in model container [2022-11-19 07:37:45,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:45" (3/3) ... [2022-11-19 07:37:45,198 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--ti--wl12xx--wl12xx.ko-entry_point.cil.out.i [2022-11-19 07:37:45,222 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:37:45,222 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:37:45,388 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:37:45,395 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;@4bd8c376, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:37:45,396 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:37:45,413 INFO L276 IsEmpty]: Start isEmpty. Operand has 4545 states, 2995 states have (on average 1.4414023372287146) internal successors, (4317), 3106 states have internal predecessors, (4317), 1455 states have call successors, (1455), 94 states have call predecessors, (1455), 93 states have return successors, (1373), 1368 states have call predecessors, (1373), 1373 states have call successors, (1373) [2022-11-19 07:37:45,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2022-11-19 07:37:45,484 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:45,486 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 15, 15, 15, 15, 15, 15, 15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:37:45,486 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:45,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:45,493 INFO L85 PathProgramCache]: Analyzing trace with hash 5649729, now seen corresponding path program 1 times [2022-11-19 07:37:45,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:45,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101952764] [2022-11-19 07:37:45,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:45,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:48,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2012 trivial. 0 not checked. [2022-11-19 07:37:48,894 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:48,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101952764] [2022-11-19 07:37:48,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101952764] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:48,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:37:48,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:37:48,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261572428] [2022-11-19 07:37:48,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:48,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:37:48,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:48,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:37:48,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:37:48,980 INFO L87 Difference]: Start difference. First operand has 4545 states, 2995 states have (on average 1.4414023372287146) internal successors, (4317), 3106 states have internal predecessors, (4317), 1455 states have call successors, (1455), 94 states have call predecessors, (1455), 93 states have return successors, (1373), 1368 states have call predecessors, (1373), 1373 states have call successors, (1373) Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-19 07:37:51,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:54,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:56,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:00,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:00,611 INFO L93 Difference]: Finished difference Result 12436 states and 19569 transitions. [2022-11-19 07:38:00,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:38:00,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 407 [2022-11-19 07:38:00,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:00,704 INFO L225 Difference]: With dead ends: 12436 [2022-11-19 07:38:00,704 INFO L226 Difference]: Without dead ends: 7787 [2022-11-19 07:38:00,740 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 [2022-11-19 07:38:00,747 INFO L413 NwaCegarLoop]: 8023 mSDtfsCounter, 5341 mSDsluCounter, 6264 mSDsCounter, 0 mSdLazyCounter, 1530 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5342 SdHoareTripleChecker+Valid, 14287 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1530 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:00,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5342 Valid, 14287 Invalid, 1536 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1530 Invalid, 3 Unknown, 0 Unchecked, 10.8s Time] [2022-11-19 07:38:00,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7787 states. [2022-11-19 07:38:01,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7787 to 7768. [2022-11-19 07:38:01,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7768 states, 5235 states have (on average 1.4087870105062081) internal successors, (7375), 5284 states have internal predecessors, (7375), 2380 states have call successors, (2380), 154 states have call predecessors, (2380), 152 states have return successors, (2385), 2360 states have call predecessors, (2385), 2374 states have call successors, (2385) [2022-11-19 07:38:01,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7768 states to 7768 states and 12140 transitions. [2022-11-19 07:38:01,893 INFO L78 Accepts]: Start accepts. Automaton has 7768 states and 12140 transitions. Word has length 407 [2022-11-19 07:38:01,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:38:01,898 INFO L495 AbstractCegarLoop]: Abstraction has 7768 states and 12140 transitions. [2022-11-19 07:38:01,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-19 07:38:01,899 INFO L276 IsEmpty]: Start isEmpty. Operand 7768 states and 12140 transitions. [2022-11-19 07:38:01,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2022-11-19 07:38:01,924 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:01,924 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:38:01,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:38:01,925 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:38:01,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:01,927 INFO L85 PathProgramCache]: Analyzing trace with hash -490654475, now seen corresponding path program 1 times [2022-11-19 07:38:01,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:01,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056344366] [2022-11-19 07:38:01,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:01,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:04,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2002 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2002 trivial. 0 not checked. [2022-11-19 07:38:04,316 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:04,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056344366] [2022-11-19 07:38:04,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056344366] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:38:04,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:38:04,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:38:04,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896057608] [2022-11-19 07:38:04,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:38:04,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:38:04,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:38:04,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:38:04,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:38:04,325 INFO L87 Difference]: Start difference. First operand 7768 states and 12140 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2022-11-19 07:38:06,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:09,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:11,573 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 [] [2022-11-19 07:38:14,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:14,742 INFO L93 Difference]: Finished difference Result 22502 states and 35223 transitions. [2022-11-19 07:38:14,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:38:14,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 407 [2022-11-19 07:38:14,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:14,847 INFO L225 Difference]: With dead ends: 22502 [2022-11-19 07:38:14,848 INFO L226 Difference]: Without dead ends: 14799 [2022-11-19 07:38:14,894 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 [2022-11-19 07:38:14,896 INFO L413 NwaCegarLoop]: 7569 mSDtfsCounter, 6273 mSDsluCounter, 6377 mSDsCounter, 0 mSdLazyCounter, 1172 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6278 SdHoareTripleChecker+Valid, 13946 SdHoareTripleChecker+Invalid, 1178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1172 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:14,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6278 Valid, 13946 Invalid, 1178 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1172 Invalid, 3 Unknown, 0 Unchecked, 9.5s Time] [2022-11-19 07:38:14,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14799 states. [2022-11-19 07:38:16,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14799 to 14793. [2022-11-19 07:38:16,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14793 states, 10092 states have (on average 1.4222156163297661) internal successors, (14353), 10185 states have internal predecessors, (14353), 4400 states have call successors, (4400), 303 states have call predecessors, (4400), 300 states have return successors, (4416), 4366 states have call predecessors, (4416), 4394 states have call successors, (4416) [2022-11-19 07:38:16,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14793 states to 14793 states and 23169 transitions. [2022-11-19 07:38:16,605 INFO L78 Accepts]: Start accepts. Automaton has 14793 states and 23169 transitions. Word has length 407 [2022-11-19 07:38:16,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:38:16,609 INFO L495 AbstractCegarLoop]: Abstraction has 14793 states and 23169 transitions. [2022-11-19 07:38:16,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2022-11-19 07:38:16,610 INFO L276 IsEmpty]: Start isEmpty. Operand 14793 states and 23169 transitions. [2022-11-19 07:38:16,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2022-11-19 07:38:16,627 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:16,628 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:38:16,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:38:16,629 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:38:16,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:16,629 INFO L85 PathProgramCache]: Analyzing trace with hash 647565234, now seen corresponding path program 1 times [2022-11-19 07:38:16,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:16,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714120616] [2022-11-19 07:38:16,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:16,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:18,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2152 trivial. 0 not checked. [2022-11-19 07:38:18,908 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:18,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714120616] [2022-11-19 07:38:18,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714120616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:38:18,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:38:18,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:38:18,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182532374] [2022-11-19 07:38:18,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:38:18,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:38:18,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:38:18,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:38:18,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:38:18,915 INFO L87 Difference]: Start difference. First operand 14793 states and 23169 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-19 07:38:21,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:23,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:26,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:27,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:27,962 INFO L93 Difference]: Finished difference Result 14819 states and 23196 transitions. [2022-11-19 07:38:27,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:38:27,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 421 [2022-11-19 07:38:27,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:28,041 INFO L225 Difference]: With dead ends: 14819 [2022-11-19 07:38:28,041 INFO L226 Difference]: Without dead ends: 14816 [2022-11-19 07:38:28,048 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 [2022-11-19 07:38:28,049 INFO L413 NwaCegarLoop]: 6394 mSDtfsCounter, 6782 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6787 SdHoareTripleChecker+Valid, 6449 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:28,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6787 Valid, 6449 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 594 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2022-11-19 07:38:28,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14816 states. [2022-11-19 07:38:29,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14816 to 14816. [2022-11-19 07:38:29,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14816 states, 10105 states have (on average 1.4218703612073231) internal successors, (14368), 10197 states have internal predecessors, (14368), 4404 states have call successors, (4404), 309 states have call predecessors, (4404), 306 states have return successors, (4421), 4371 states have call predecessors, (4421), 4399 states have call successors, (4421) [2022-11-19 07:38:29,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14816 states to 14816 states and 23193 transitions. [2022-11-19 07:38:29,522 INFO L78 Accepts]: Start accepts. Automaton has 14816 states and 23193 transitions. Word has length 421 [2022-11-19 07:38:29,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:38:29,524 INFO L495 AbstractCegarLoop]: Abstraction has 14816 states and 23193 transitions. [2022-11-19 07:38:29,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-19 07:38:29,524 INFO L276 IsEmpty]: Start isEmpty. Operand 14816 states and 23193 transitions. [2022-11-19 07:38:29,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2022-11-19 07:38:29,547 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:29,547 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:38:29,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:38:29,548 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:38:29,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:29,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1402782540, now seen corresponding path program 1 times [2022-11-19 07:38:29,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:29,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198065770] [2022-11-19 07:38:29,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:29,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:31,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2152 trivial. 0 not checked. [2022-11-19 07:38:31,607 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:31,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198065770] [2022-11-19 07:38:31,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198065770] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:38:31,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:38:31,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:38:31,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616537479] [2022-11-19 07:38:31,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:38:31,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:38:31,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:38:31,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:38:31,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:38:31,612 INFO L87 Difference]: Start difference. First operand 14816 states and 23193 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-19 07:38:33,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:36,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:39,050 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 [] [2022-11-19 07:38:40,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:40,566 INFO L93 Difference]: Finished difference Result 14818 states and 23194 transitions. [2022-11-19 07:38:40,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:38:40,567 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 422 [2022-11-19 07:38:40,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:40,642 INFO L225 Difference]: With dead ends: 14818 [2022-11-19 07:38:40,642 INFO L226 Difference]: Without dead ends: 14815 [2022-11-19 07:38:40,652 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 [2022-11-19 07:38:40,653 INFO L413 NwaCegarLoop]: 6392 mSDtfsCounter, 6779 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6784 SdHoareTripleChecker+Valid, 6447 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:40,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6784 Valid, 6447 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 594 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2022-11-19 07:38:40,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14815 states. [2022-11-19 07:38:42,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14815 to 14815. [2022-11-19 07:38:42,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14815 states, 10105 states have (on average 1.4217714002968826) internal successors, (14367), 10196 states have internal predecessors, (14367), 4403 states have call successors, (4403), 309 states have call predecessors, (4403), 306 states have return successors, (4421), 4371 states have call predecessors, (4421), 4399 states have call successors, (4421) [2022-11-19 07:38:42,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14815 states to 14815 states and 23191 transitions. [2022-11-19 07:38:42,195 INFO L78 Accepts]: Start accepts. Automaton has 14815 states and 23191 transitions. Word has length 422 [2022-11-19 07:38:42,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:38:42,197 INFO L495 AbstractCegarLoop]: Abstraction has 14815 states and 23191 transitions. [2022-11-19 07:38:42,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-19 07:38:42,197 INFO L276 IsEmpty]: Start isEmpty. Operand 14815 states and 23191 transitions. [2022-11-19 07:38:42,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2022-11-19 07:38:42,213 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:42,214 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:38:42,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:38:42,214 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:38:42,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:42,215 INFO L85 PathProgramCache]: Analyzing trace with hash -539049227, now seen corresponding path program 1 times [2022-11-19 07:38:42,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:42,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369395392] [2022-11-19 07:38:42,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:42,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:44,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2152 trivial. 0 not checked. [2022-11-19 07:38:44,125 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:44,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369395392] [2022-11-19 07:38:44,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369395392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:38:44,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:38:44,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:38:44,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671440305] [2022-11-19 07:38:44,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:38:44,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:38:44,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:38:44,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:38:44,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:38:44,131 INFO L87 Difference]: Start difference. First operand 14815 states and 23191 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-19 07:38:46,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:49,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:51,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:52,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:52,655 INFO L93 Difference]: Finished difference Result 14817 states and 23192 transitions. [2022-11-19 07:38:52,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:38:52,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 423 [2022-11-19 07:38:52,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:52,728 INFO L225 Difference]: With dead ends: 14817 [2022-11-19 07:38:52,728 INFO L226 Difference]: Without dead ends: 14814 [2022-11-19 07:38:52,738 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 [2022-11-19 07:38:52,740 INFO L413 NwaCegarLoop]: 6390 mSDtfsCounter, 6776 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6781 SdHoareTripleChecker+Valid, 6445 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:52,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6781 Valid, 6445 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 594 Invalid, 3 Unknown, 0 Unchecked, 8.0s Time] [2022-11-19 07:38:52,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14814 states. [2022-11-19 07:38:54,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14814 to 14814. [2022-11-19 07:38:54,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14814 states, 10105 states have (on average 1.4216724393864424) internal successors, (14366), 10195 states have internal predecessors, (14366), 4402 states have call successors, (4402), 309 states have call predecessors, (4402), 306 states have return successors, (4421), 4371 states have call predecessors, (4421), 4399 states have call successors, (4421) [2022-11-19 07:38:54,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14814 states to 14814 states and 23189 transitions. [2022-11-19 07:38:54,276 INFO L78 Accepts]: Start accepts. Automaton has 14814 states and 23189 transitions. Word has length 423 [2022-11-19 07:38:54,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:38:54,277 INFO L495 AbstractCegarLoop]: Abstraction has 14814 states and 23189 transitions. [2022-11-19 07:38:54,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-19 07:38:54,278 INFO L276 IsEmpty]: Start isEmpty. Operand 14814 states and 23189 transitions. [2022-11-19 07:38:54,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2022-11-19 07:38:54,295 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:54,296 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:38:54,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:38:54,296 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:38:54,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:54,297 INFO L85 PathProgramCache]: Analyzing trace with hash 466884567, now seen corresponding path program 1 times [2022-11-19 07:38:54,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:54,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293646755] [2022-11-19 07:38:54,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:54,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:56,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2152 trivial. 0 not checked. [2022-11-19 07:38:56,399 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:56,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293646755] [2022-11-19 07:38:56,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293646755] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:38:56,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:38:56,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:38:56,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106909513] [2022-11-19 07:38:56,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:38:56,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:38:56,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:38:56,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:38:56,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:38:56,402 INFO L87 Difference]: Start difference. First operand 14814 states and 23189 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-19 07:38:58,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:02,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:04,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:39:04,093 INFO L93 Difference]: Finished difference Result 29493 states and 46243 transitions. [2022-11-19 07:39:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:39:04,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 424 [2022-11-19 07:39:04,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:39:04,165 INFO L225 Difference]: With dead ends: 29493 [2022-11-19 07:39:04,166 INFO L226 Difference]: Without dead ends: 14739 [2022-11-19 07:39:04,234 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 [2022-11-19 07:39:04,235 INFO L413 NwaCegarLoop]: 6362 mSDtfsCounter, 6796 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6799 SdHoareTripleChecker+Valid, 6362 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:39:04,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6799 Valid, 6362 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 578 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2022-11-19 07:39:04,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14739 states. [2022-11-19 07:39:05,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14739 to 14724. [2022-11-19 07:39:05,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14724 states, 10052 states have (on average 1.4227019498607243) internal successors, (14301), 10143 states have internal predecessors, (14301), 4381 states have call successors, (4381), 294 states have call predecessors, (4381), 290 states have return successors, (4401), 4348 states have call predecessors, (4401), 4379 states have call successors, (4401) [2022-11-19 07:39:05,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14724 states to 14724 states and 23083 transitions. [2022-11-19 07:39:05,861 INFO L78 Accepts]: Start accepts. Automaton has 14724 states and 23083 transitions. Word has length 424 [2022-11-19 07:39:05,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:39:05,862 INFO L495 AbstractCegarLoop]: Abstraction has 14724 states and 23083 transitions. [2022-11-19 07:39:05,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-19 07:39:05,862 INFO L276 IsEmpty]: Start isEmpty. Operand 14724 states and 23083 transitions. [2022-11-19 07:39:05,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2022-11-19 07:39:05,902 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:39:05,902 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 17, 17, 17, 17, 17, 17, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:39:05,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:39:05,903 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:39:05,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:39:05,903 INFO L85 PathProgramCache]: Analyzing trace with hash 139619095, now seen corresponding path program 1 times [2022-11-19 07:39:05,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:39:05,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584182810] [2022-11-19 07:39:05,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:39:05,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:39:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:39:08,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2874 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 2858 trivial. 0 not checked. [2022-11-19 07:39:08,125 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:39:08,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584182810] [2022-11-19 07:39:08,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584182810] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:39:08,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133437348] [2022-11-19 07:39:08,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:39:08,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:39:08,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:39:08,131 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:39:08,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:39:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:39:13,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 19231 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:39:13,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:39:13,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2874 backedges. 758 proven. 0 refuted. 0 times theorem prover too weak. 2116 trivial. 0 not checked. [2022-11-19 07:39:13,802 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:39:13,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133437348] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:39:13,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:39:13,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-11-19 07:39:13,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407197486] [2022-11-19 07:39:13,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:39:13,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:39:13,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:39:13,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:39:13,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:39:13,805 INFO L87 Difference]: Start difference. First operand 14724 states and 23083 transitions. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-19 07:39:16,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:19,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:22,353 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 [] [2022-11-19 07:39:25,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:39:25,416 INFO L93 Difference]: Finished difference Result 43335 states and 68006 transitions. [2022-11-19 07:39:25,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:39:25,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 570 [2022-11-19 07:39:25,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:39:25,519 INFO L225 Difference]: With dead ends: 43335 [2022-11-19 07:39:25,520 INFO L226 Difference]: Without dead ends: 28676 [2022-11-19 07:39:25,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 570 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:39:25,586 INFO L413 NwaCegarLoop]: 11120 mSDtfsCounter, 6239 mSDsluCounter, 6349 mSDsCounter, 0 mSdLazyCounter, 1602 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6244 SdHoareTripleChecker+Valid, 17469 SdHoareTripleChecker+Invalid, 1608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1602 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:39:25,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6244 Valid, 17469 Invalid, 1608 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1602 Invalid, 3 Unknown, 0 Unchecked, 10.3s Time] [2022-11-19 07:39:25,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28676 states. [2022-11-19 07:39:28,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28676 to 28664. [2022-11-19 07:39:28,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28664 states, 19704 states have (on average 1.430115712545676) internal successors, (28179), 19883 states have internal predecessors, (28179), 8389 states have call successors, (8389), 576 states have call predecessors, (8389), 570 states have return successors, (8429), 8328 states have call predecessors, (8429), 8387 states have call successors, (8429) [2022-11-19 07:39:28,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28664 states to 28664 states and 44997 transitions. [2022-11-19 07:39:28,594 INFO L78 Accepts]: Start accepts. Automaton has 28664 states and 44997 transitions. Word has length 570 [2022-11-19 07:39:28,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:39:28,596 INFO L495 AbstractCegarLoop]: Abstraction has 28664 states and 44997 transitions. [2022-11-19 07:39:28,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-19 07:39:28,596 INFO L276 IsEmpty]: Start isEmpty. Operand 28664 states and 44997 transitions. [2022-11-19 07:39:28,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 643 [2022-11-19 07:39:28,638 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:39:28,639 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 17, 17, 17, 17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:39:28,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:39:28,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:39:28,856 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:39:28,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:39:28,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1121182767, now seen corresponding path program 1 times [2022-11-19 07:39:28,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:39:28,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53833156] [2022-11-19 07:39:28,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:39:28,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:39:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:39:31,168 INFO L134 CoverageAnalysis]: Checked inductivity of 3135 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 3064 trivial. 0 not checked. [2022-11-19 07:39:31,168 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:39:31,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53833156] [2022-11-19 07:39:31,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53833156] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:39:31,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:39:31,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:39:31,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255050776] [2022-11-19 07:39:31,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:39:31,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:39:31,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:39:31,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:39:31,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:39:31,172 INFO L87 Difference]: Start difference. First operand 28664 states and 44997 transitions. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-19 07:39:33,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:37,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:40,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:41,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:39:41,115 INFO L93 Difference]: Finished difference Result 45591 states and 71569 transitions. [2022-11-19 07:39:41,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:39:41,115 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 642 [2022-11-19 07:39:41,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:39:41,158 INFO L225 Difference]: With dead ends: 45591 [2022-11-19 07:39:41,158 INFO L226 Difference]: Without dead ends: 16992 [2022-11-19 07:39:41,231 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 [2022-11-19 07:39:41,232 INFO L413 NwaCegarLoop]: 9605 mSDtfsCounter, 6788 mSDsluCounter, 3390 mSDsCounter, 0 mSdLazyCounter, 1234 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6793 SdHoareTripleChecker+Valid, 12995 SdHoareTripleChecker+Invalid, 1237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1234 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:39:41,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6793 Valid, 12995 Invalid, 1237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1234 Invalid, 3 Unknown, 0 Unchecked, 8.7s Time] [2022-11-19 07:39:41,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16992 states. [2022-11-19 07:39:42,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16992 to 16980. [2022-11-19 07:39:42,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16980 states, 11661 states have (on average 1.4250921876339937) internal successors, (16618), 11750 states have internal predecessors, (16618), 5009 states have call successors, (5009), 313 states have call predecessors, (5009), 309 states have return successors, (5028), 4978 states have call predecessors, (5028), 5007 states have call successors, (5028) [2022-11-19 07:39:42,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16980 states to 16980 states and 26655 transitions. [2022-11-19 07:39:42,930 INFO L78 Accepts]: Start accepts. Automaton has 16980 states and 26655 transitions. Word has length 642 [2022-11-19 07:39:42,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:39:42,931 INFO L495 AbstractCegarLoop]: Abstraction has 16980 states and 26655 transitions. [2022-11-19 07:39:42,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-19 07:39:42,931 INFO L276 IsEmpty]: Start isEmpty. Operand 16980 states and 26655 transitions. [2022-11-19 07:39:43,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2517 [2022-11-19 07:39:43,033 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:39:43,034 INFO L195 NwaCegarLoop]: trace histogram [177, 177, 177, 177, 177, 177, 177, 177, 177, 17, 17, 17, 17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:39:43,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 07:39:43,034 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:39:43,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:39:43,035 INFO L85 PathProgramCache]: Analyzing trace with hash -317415695, now seen corresponding path program 1 times [2022-11-19 07:39:43,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:39:43,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651890705] [2022-11-19 07:39:43,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:39:43,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:39:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:39:47,911 INFO L134 CoverageAnalysis]: Checked inductivity of 156795 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 156779 trivial. 0 not checked. [2022-11-19 07:39:47,911 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:39:47,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651890705] [2022-11-19 07:39:47,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651890705] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:39:47,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:39:47,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:39:47,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896149675] [2022-11-19 07:39:47,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:39:47,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:39:47,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:39:47,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:39:47,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:39:47,916 INFO L87 Difference]: Start difference. First operand 16980 states and 26655 transitions. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 3 states have call successors, (208), 2 states have call predecessors, (208), 2 states have return successors, (205), 3 states have call predecessors, (205), 3 states have call successors, (205) [2022-11-19 07:39:50,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:53,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:56,175 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 [] [2022-11-19 07:39:59,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:39:59,642 INFO L93 Difference]: Finished difference Result 39591 states and 62160 transitions. [2022-11-19 07:39:59,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:39:59,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 3 states have call successors, (208), 2 states have call predecessors, (208), 2 states have return successors, (205), 3 states have call predecessors, (205), 3 states have call successors, (205) Word has length 2516 [2022-11-19 07:39:59,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:39:59,739 INFO L225 Difference]: With dead ends: 39591 [2022-11-19 07:39:59,740 INFO L226 Difference]: Without dead ends: 24922 [2022-11-19 07:39:59,782 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 [2022-11-19 07:39:59,783 INFO L413 NwaCegarLoop]: 10655 mSDtfsCounter, 6414 mSDsluCounter, 5995 mSDsCounter, 0 mSdLazyCounter, 1919 mSolverCounterSat, 162 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6417 SdHoareTripleChecker+Valid, 16650 SdHoareTripleChecker+Invalid, 2084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 1919 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:39:59,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6417 Valid, 16650 Invalid, 2084 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [162 Valid, 1919 Invalid, 3 Unknown, 0 Unchecked, 10.1s Time] [2022-11-19 07:39:59,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24922 states. [2022-11-19 07:40:02,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24922 to 24902. [2022-11-19 07:40:02,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24902 states, 17132 states have (on average 1.4207331309829558) internal successors, (24340), 17271 states have internal predecessors, (24340), 7293 states have call successors, (7293), 482 states have call predecessors, (7293), 476 states have return successors, (7331), 7244 states have call predecessors, (7331), 7291 states have call successors, (7331) [2022-11-19 07:40:02,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24902 states to 24902 states and 38964 transitions. [2022-11-19 07:40:02,428 INFO L78 Accepts]: Start accepts. Automaton has 24902 states and 38964 transitions. Word has length 2516 [2022-11-19 07:40:02,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:40:02,431 INFO L495 AbstractCegarLoop]: Abstraction has 24902 states and 38964 transitions. [2022-11-19 07:40:02,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 3 states have call successors, (208), 2 states have call predecessors, (208), 2 states have return successors, (205), 3 states have call predecessors, (205), 3 states have call successors, (205) [2022-11-19 07:40:02,431 INFO L276 IsEmpty]: Start isEmpty. Operand 24902 states and 38964 transitions. [2022-11-19 07:40:02,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2515 [2022-11-19 07:40:02,537 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:40:02,538 INFO L195 NwaCegarLoop]: trace histogram [177, 177, 177, 177, 177, 177, 177, 177, 177, 17, 17, 17, 17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:40:02,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 07:40:02,539 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:40:02,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:40:02,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1110413485, now seen corresponding path program 1 times [2022-11-19 07:40:02,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:40:02,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140046715] [2022-11-19 07:40:02,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:40:02,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:40:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:40:18,552 INFO L134 CoverageAnalysis]: Checked inductivity of 156795 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 156715 trivial. 0 not checked. [2022-11-19 07:40:18,552 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:40:18,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140046715] [2022-11-19 07:40:18,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140046715] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:40:18,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427984620] [2022-11-19 07:40:18,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:40:18,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:40:18,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:40:18,555 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:40:18,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb2b1de-9db1-4211-9ca7-4d5b86ecb585/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process