./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-43_2a-drivers--net--ethernet--dec--tulip--dmfe.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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/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_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/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_77367e3d-07c1-443c-9c00-0250c0de2228/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 246ceae3084839b9b339f99ac0b8607f0cf18f3fcdd140edc02c2b8d150b0ed6 --- 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 06:57:15,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:57:15,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:57:15,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:57:15,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:57:15,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:57:15,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:57:15,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:57:15,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:57:15,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:57:15,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:57:15,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:57:15,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:57:15,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:57:15,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:57:15,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:57:15,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:57:15,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:57:15,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:57:15,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:57:15,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:57:15,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:57:15,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:57:15,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:57:15,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:57:15,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:57:15,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:57:15,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:57:15,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:57:15,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:57:15,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:57:15,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:57:15,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:57:15,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:57:15,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:57:15,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:57:15,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:57:15,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:57:15,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:57:15,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:57:15,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:57:15,958 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 06:57:16,002 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:57:16,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:57:16,006 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:57:16,006 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:57:16,007 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:57:16,007 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:57:16,007 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:57:16,008 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:57:16,008 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:57:16,008 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:57:16,009 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:57:16,009 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:57:16,009 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:57:16,010 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:57:16,010 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:57:16,010 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:57:16,010 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:57:16,010 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:57:16,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:57:16,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:57:16,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:57:16,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:57:16,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:57:16,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:57:16,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:57:16,013 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:57:16,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:57:16,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:57:16,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:57:16,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:57:16,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:57:16,014 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:57:16,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:57:16,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:57:16,015 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:57:16,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:57:16,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:57:16,015 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:57:16,016 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_77367e3d-07c1-443c-9c00-0250c0de2228/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 246ceae3084839b9b339f99ac0b8607f0cf18f3fcdd140edc02c2b8d150b0ed6 [2022-11-19 06:57:16,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:57:16,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:57:16,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:57:16,315 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:57:16,316 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:57:16,318 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i [2022-11-19 06:57:16,388 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/data/da6d8fe38/425857f972784a2fba04564aeb25ad8f/FLAG163e40097 [2022-11-19 06:57:17,420 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:57:17,421 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i [2022-11-19 06:57:17,473 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/data/da6d8fe38/425857f972784a2fba04564aeb25ad8f/FLAG163e40097 [2022-11-19 06:57:17,859 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/data/da6d8fe38/425857f972784a2fba04564aeb25ad8f [2022-11-19 06:57:17,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:57:17,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:57:17,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:57:17,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:57:17,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:57:17,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:57:17" (1/1) ... [2022-11-19 06:57:17,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff4980c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:17, skipping insertion in model container [2022-11-19 06:57:17,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:57:17" (1/1) ... [2022-11-19 06:57:17,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:57:18,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:57:20,168 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_77367e3d-07c1-443c-9c00-0250c0de2228/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i[261928,261941] [2022-11-19 06:57:20,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:57:20,289 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:57:20,696 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_77367e3d-07c1-443c-9c00-0250c0de2228/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i[261928,261941] [2022-11-19 06:57:20,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:57:20,878 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:57:20,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:20 WrapperNode [2022-11-19 06:57:20,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:57:20,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:57:20,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:57:20,880 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:57:20,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:20" (1/1) ... [2022-11-19 06:57:21,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:20" (1/1) ... [2022-11-19 06:57:21,164 INFO L138 Inliner]: procedures = 236, calls = 1587, calls flagged for inlining = 114, calls inlined = 111, statements flattened = 4130 [2022-11-19 06:57:21,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:57:21,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:57:21,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:57:21,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:57:21,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:20" (1/1) ... [2022-11-19 06:57:21,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:20" (1/1) ... [2022-11-19 06:57:21,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:20" (1/1) ... [2022-11-19 06:57:21,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:20" (1/1) ... [2022-11-19 06:57:21,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:20" (1/1) ... [2022-11-19 06:57:21,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:20" (1/1) ... [2022-11-19 06:57:21,550 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:20" (1/1) ... [2022-11-19 06:57:21,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:20" (1/1) ... [2022-11-19 06:57:21,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:57:21,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:57:21,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:57:21,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:57:21,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:20" (1/1) ... [2022-11-19 06:57:21,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:57:21,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:57:21,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:57:21,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:57:21,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2022-11-19 06:57:21,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2022-11-19 06:57:21,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 06:57:21,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 06:57:21,710 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-19 06:57:21,710 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-19 06:57:21,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 06:57:21,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 06:57:21,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 06:57:21,711 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 06:57:21,711 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-19 06:57:21,711 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-19 06:57:21,711 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_set_filter_mode [2022-11-19 06:57:21,712 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_set_filter_mode [2022-11-19 06:57:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-19 06:57:21,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-19 06:57:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-19 06:57:21,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-19 06:57:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-19 06:57:21,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-19 06:57:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 06:57:21,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 06:57:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_resume [2022-11-19 06:57:21,714 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_resume [2022-11-19 06:57:21,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 06:57:21,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 06:57:21,715 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_write_1bit [2022-11-19 06:57:21,715 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_write_1bit [2022-11-19 06:57:21,716 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-19 06:57:21,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-19 06:57:21,717 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-19 06:57:21,717 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-19 06:57:21,717 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 06:57:21,717 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 06:57:21,717 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-19 06:57:21,718 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-19 06:57:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-19 06:57:21,719 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-19 06:57:21,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 06:57:21,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 06:57:21,719 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 06:57:21,720 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 06:57:21,720 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-19 06:57:21,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-19 06:57:21,720 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-19 06:57:21,720 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-19 06:57:21,721 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-19 06:57:21,721 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-19 06:57:21,722 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-19 06:57:21,723 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-19 06:57:21,724 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2022-11-19 06:57:21,724 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2022-11-19 06:57:21,724 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_reuse_skb [2022-11-19 06:57:21,724 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_reuse_skb [2022-11-19 06:57:21,724 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2022-11-19 06:57:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2022-11-19 06:57:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:57:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-19 06:57:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-19 06:57:21,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:57:21,726 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 06:57:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 06:57:21,727 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-19 06:57:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-19 06:57:21,727 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 06:57:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 06:57:21,728 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-19 06:57:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-19 06:57:21,728 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-19 06:57:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-19 06:57:21,729 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 06:57:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 06:57:21,730 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-19 06:57:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-19 06:57:21,730 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_read_1bit [2022-11-19 06:57:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_read_1bit [2022-11-19 06:57:21,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:57:21,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 06:57:21,731 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_init_dm910x [2022-11-19 06:57:21,732 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_init_dm910x [2022-11-19 06:57:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-19 06:57:21,732 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-19 06:57:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-19 06:57:21,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-19 06:57:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure poll_dmfe [2022-11-19 06:57:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_dmfe [2022-11-19 06:57:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_write [2022-11-19 06:57:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_write [2022-11-19 06:57:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 06:57:21,736 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 06:57:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2022-11-19 06:57:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2022-11-19 06:57:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 06:57:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 06:57:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 06:57:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-19 06:57:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-19 06:57:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-11-19 06:57:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-11-19 06:57:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 06:57:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_remove_one [2022-11-19 06:57:21,739 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_remove_one [2022-11-19 06:57:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:57:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure dm9132_id_table [2022-11-19 06:57:21,740 INFO L138 BoogieDeclarations]: Found implementation of procedure dm9132_id_table [2022-11-19 06:57:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-19 06:57:21,740 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-19 06:57:21,741 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 06:57:21,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 06:57:21,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 06:57:21,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 06:57:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_interrupt [2022-11-19 06:57:21,746 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_interrupt [2022-11-19 06:57:21,746 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-19 06:57:21,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-19 06:57:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2022-11-19 06:57:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2022-11-19 06:57:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:57:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 06:57:21,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 06:57:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 06:57:21,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 06:57:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure cal_CRC [2022-11-19 06:57:21,766 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_CRC [2022-11-19 06:57:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2022-11-19 06:57:21,766 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2022-11-19 06:57:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:57:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-19 06:57:21,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-19 06:57:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:57:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2022-11-19 06:57:21,767 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2022-11-19 06:57:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-11-19 06:57:21,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-11-19 06:57:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 06:57:21,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 06:57:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:57:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-19 06:57:21,768 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-19 06:57:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-19 06:57:21,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-19 06:57:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-11-19 06:57:21,769 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-11-19 06:57:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2022-11-19 06:57:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2022-11-19 06:57:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_read [2022-11-19 06:57:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_read [2022-11-19 06:57:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-11-19 06:57:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-11-19 06:57:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_free_rxbuffer [2022-11-19 06:57:21,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_free_rxbuffer [2022-11-19 06:57:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-19 06:57:21,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-19 06:57:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-19 06:57:21,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-19 06:57:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-19 06:57:21,772 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-19 06:57:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:57:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:57:21,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:57:22,617 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:57:22,625 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:57:23,084 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 06:57:26,926 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:57:28,783 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:57:28,783 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 06:57:28,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:57:28 BoogieIcfgContainer [2022-11-19 06:57:28,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:57:28,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:57:28,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:57:28,796 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:57:28,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:57:17" (1/3) ... [2022-11-19 06:57:28,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f2c185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:57:28, skipping insertion in model container [2022-11-19 06:57:28,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:20" (2/3) ... [2022-11-19 06:57:28,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f2c185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:57:28, skipping insertion in model container [2022-11-19 06:57:28,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:57:28" (3/3) ... [2022-11-19 06:57:28,800 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i [2022-11-19 06:57:28,821 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:57:28,821 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:57:28,944 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:57:28,953 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;@2b153619, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:57:28,954 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:57:28,965 INFO L276 IsEmpty]: Start isEmpty. Operand has 1004 states, 601 states have (on average 1.3344425956738768) internal successors, (802), 624 states have internal predecessors, (802), 330 states have call successors, (330), 72 states have call predecessors, (330), 71 states have return successors, (323), 317 states have call predecessors, (323), 323 states have call successors, (323) [2022-11-19 06:57:28,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-19 06:57:28,997 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:57:28,998 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-19 06:57:28,999 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:57:29,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:57:29,015 INFO L85 PathProgramCache]: Analyzing trace with hash 300361560, now seen corresponding path program 1 times [2022-11-19 06:57:29,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:57:29,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969687559] [2022-11-19 06:57:29,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:57:29,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:57:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:57:30,147 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-19 06:57:30,147 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:57:30,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969687559] [2022-11-19 06:57:30,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969687559] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:57:30,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:57:30,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:57:30,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106563418] [2022-11-19 06:57:30,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:57:30,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:57:30,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:57:30,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:57:30,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:57:30,205 INFO L87 Difference]: Start difference. First operand has 1004 states, 601 states have (on average 1.3344425956738768) internal successors, (802), 624 states have internal predecessors, (802), 330 states have call successors, (330), 72 states have call predecessors, (330), 71 states have return successors, (323), 317 states have call predecessors, (323), 323 states have call successors, (323) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-19 06:57:32,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:57:35,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:57:39,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:57:39,519 INFO L93 Difference]: Finished difference Result 2977 states and 4360 transitions. [2022-11-19 06:57:39,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 06:57:39,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 118 [2022-11-19 06:57:39,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:57:39,565 INFO L225 Difference]: With dead ends: 2977 [2022-11-19 06:57:39,565 INFO L226 Difference]: Without dead ends: 1966 [2022-11-19 06:57:39,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 06:57:39,581 INFO L413 NwaCegarLoop]: 1905 mSDtfsCounter, 1431 mSDsluCounter, 5037 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1435 SdHoareTripleChecker+Valid, 6942 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:57:39,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1435 Valid, 6942 Invalid, 976 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 973 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2022-11-19 06:57:39,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1966 states. [2022-11-19 06:57:39,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1966 to 1952. [2022-11-19 06:57:39,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1952 states, 1178 states have (on average 1.3200339558573855) internal successors, (1555), 1211 states have internal predecessors, (1555), 634 states have call successors, (634), 140 states have call predecessors, (634), 139 states have return successors, (633), 616 states have call predecessors, (633), 633 states have call successors, (633) [2022-11-19 06:57:39,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1952 states and 2822 transitions. [2022-11-19 06:57:39,833 INFO L78 Accepts]: Start accepts. Automaton has 1952 states and 2822 transitions. Word has length 118 [2022-11-19 06:57:39,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:57:39,834 INFO L495 AbstractCegarLoop]: Abstraction has 1952 states and 2822 transitions. [2022-11-19 06:57:39,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-19 06:57:39,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2822 transitions. [2022-11-19 06:57:39,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-19 06:57:39,850 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:57:39,851 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-19 06:57:39,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:57:39,851 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:57:39,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:57:39,852 INFO L85 PathProgramCache]: Analyzing trace with hash -365143883, now seen corresponding path program 1 times [2022-11-19 06:57:39,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:57:39,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828742967] [2022-11-19 06:57:39,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:57:39,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:57:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:57:40,409 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-19 06:57:40,410 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:57:40,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828742967] [2022-11-19 06:57:40,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828742967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:57:40,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:57:40,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:57:40,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973806127] [2022-11-19 06:57:40,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:57:40,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:57:40,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:57:40,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:57:40,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:57:40,420 INFO L87 Difference]: Start difference. First operand 1952 states and 2822 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-19 06:57:42,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:57:47,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:57:47,686 INFO L93 Difference]: Finished difference Result 4100 states and 5894 transitions. [2022-11-19 06:57:47,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 06:57:47,687 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 119 [2022-11-19 06:57:47,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:57:47,706 INFO L225 Difference]: With dead ends: 4100 [2022-11-19 06:57:47,707 INFO L226 Difference]: Without dead ends: 2935 [2022-11-19 06:57:47,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 06:57:47,716 INFO L413 NwaCegarLoop]: 1660 mSDtfsCounter, 1405 mSDsluCounter, 4526 mSDsCounter, 0 mSdLazyCounter, 859 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1409 SdHoareTripleChecker+Valid, 6186 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:57:47,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1409 Valid, 6186 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 859 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-11-19 06:57:47,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2935 states. [2022-11-19 06:57:47,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2935 to 2916. [2022-11-19 06:57:47,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2916 states, 1763 states have (on average 1.3204764605785593) internal successors, (2328), 1810 states have internal predecessors, (2328), 944 states have call successors, (944), 209 states have call predecessors, (944), 208 states have return successors, (943), 920 states have call predecessors, (943), 943 states have call successors, (943) [2022-11-19 06:57:47,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2916 states and 4215 transitions. [2022-11-19 06:57:47,886 INFO L78 Accepts]: Start accepts. Automaton has 2916 states and 4215 transitions. Word has length 119 [2022-11-19 06:57:47,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:57:47,888 INFO L495 AbstractCegarLoop]: Abstraction has 2916 states and 4215 transitions. [2022-11-19 06:57:47,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-19 06:57:47,888 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 4215 transitions. [2022-11-19 06:57:47,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-19 06:57:47,901 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:57:47,902 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-19 06:57:47,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:57:47,902 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:57:47,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:57:47,912 INFO L85 PathProgramCache]: Analyzing trace with hash -622908037, now seen corresponding path program 1 times [2022-11-19 06:57:47,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:57:47,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846594752] [2022-11-19 06:57:47,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:57:47,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:57:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:57:48,421 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-19 06:57:48,421 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:57:48,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846594752] [2022-11-19 06:57:48,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846594752] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:57:48,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:57:48,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:57:48,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121949437] [2022-11-19 06:57:48,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:57:48,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:57:48,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:57:48,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:57:48,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:57:48,431 INFO L87 Difference]: Start difference. First operand 2916 states and 4215 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-19 06:57:51,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:57:54,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:57:54,418 INFO L93 Difference]: Finished difference Result 5069 states and 7289 transitions. [2022-11-19 06:57:54,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 06:57:54,419 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 120 [2022-11-19 06:57:54,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:57:54,438 INFO L225 Difference]: With dead ends: 5069 [2022-11-19 06:57:54,438 INFO L226 Difference]: Without dead ends: 2939 [2022-11-19 06:57:54,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 06:57:54,450 INFO L413 NwaCegarLoop]: 1660 mSDtfsCounter, 1403 mSDsluCounter, 4526 mSDsCounter, 0 mSdLazyCounter, 859 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1407 SdHoareTripleChecker+Valid, 6186 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-19 06:57:54,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1407 Valid, 6186 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 859 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-11-19 06:57:54,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2939 states. [2022-11-19 06:57:54,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2939 to 2920. [2022-11-19 06:57:54,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 1767 states have (on average 1.3197509903791738) internal successors, (2332), 1813 states have internal predecessors, (2332), 943 states have call successors, (943), 210 states have call predecessors, (943), 209 states have return successors, (942), 920 states have call predecessors, (942), 942 states have call successors, (942) [2022-11-19 06:57:54,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 4217 transitions. [2022-11-19 06:57:54,706 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 4217 transitions. Word has length 120 [2022-11-19 06:57:54,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:57:54,709 INFO L495 AbstractCegarLoop]: Abstraction has 2920 states and 4217 transitions. [2022-11-19 06:57:54,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-19 06:57:54,710 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 4217 transitions. [2022-11-19 06:57:54,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-19 06:57:54,717 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:57:54,717 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2022-11-19 06:57:54,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 06:57:54,717 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:57:54,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:57:54,719 INFO L85 PathProgramCache]: Analyzing trace with hash -2073512355, now seen corresponding path program 1 times [2022-11-19 06:57:54,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:57:54,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376341294] [2022-11-19 06:57:54,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:57:54,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:57:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:57:54,964 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-19 06:57:54,964 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:57:54,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376341294] [2022-11-19 06:57:54,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376341294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:57:54,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:57:54,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:57:54,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382448080] [2022-11-19 06:57:54,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:57:54,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:57:54,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:57:54,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:57:54,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:57:54,967 INFO L87 Difference]: Start difference. First operand 2920 states and 4217 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 06:57:58,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:57:59,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:57:59,341 INFO L93 Difference]: Finished difference Result 8277 states and 11921 transitions. [2022-11-19 06:57:59,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:57:59,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 128 [2022-11-19 06:57:59,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:57:59,380 INFO L225 Difference]: With dead ends: 8277 [2022-11-19 06:57:59,380 INFO L226 Difference]: Without dead ends: 5374 [2022-11-19 06:57:59,399 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 06:57:59,404 INFO L413 NwaCegarLoop]: 1528 mSDtfsCounter, 1194 mSDsluCounter, 1155 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1194 SdHoareTripleChecker+Valid, 2683 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:57:59,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1194 Valid, 2683 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-19 06:57:59,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5374 states. [2022-11-19 06:57:59,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5374 to 5365. [2022-11-19 06:57:59,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5365 states, 3248 states have (on average 1.313423645320197) internal successors, (4266), 3326 states have internal predecessors, (4266), 1718 states have call successors, (1718), 399 states have call predecessors, (1718), 398 states have return successors, (1729), 1681 states have call predecessors, (1729), 1717 states have call successors, (1729) [2022-11-19 06:57:59,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5365 states to 5365 states and 7713 transitions. [2022-11-19 06:57:59,873 INFO L78 Accepts]: Start accepts. Automaton has 5365 states and 7713 transitions. Word has length 128 [2022-11-19 06:57:59,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:57:59,874 INFO L495 AbstractCegarLoop]: Abstraction has 5365 states and 7713 transitions. [2022-11-19 06:57:59,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 06:57:59,874 INFO L276 IsEmpty]: Start isEmpty. Operand 5365 states and 7713 transitions. [2022-11-19 06:57:59,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-19 06:57:59,879 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:57:59,879 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-19 06:57:59,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 06:57:59,880 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:57:59,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:57:59,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1125594120, now seen corresponding path program 1 times [2022-11-19 06:57:59,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:57:59,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252677456] [2022-11-19 06:57:59,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:57:59,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:57:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:58:00,293 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-19 06:58:00,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:58:00,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252677456] [2022-11-19 06:58:00,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252677456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:58:00,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:58:00,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:58:00,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852239599] [2022-11-19 06:58:00,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:58:00,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:58:00,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:58:00,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:58:00,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:58:00,297 INFO L87 Difference]: Start difference. First operand 5365 states and 7713 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-19 06:58:03,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:58:07,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:58:07,320 INFO L93 Difference]: Finished difference Result 9236 states and 13207 transitions. [2022-11-19 06:58:07,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 06:58:07,321 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 121 [2022-11-19 06:58:07,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:58:07,355 INFO L225 Difference]: With dead ends: 9236 [2022-11-19 06:58:07,356 INFO L226 Difference]: Without dead ends: 5276 [2022-11-19 06:58:07,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 06:58:07,377 INFO L413 NwaCegarLoop]: 1550 mSDtfsCounter, 1401 mSDsluCounter, 4306 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1405 SdHoareTripleChecker+Valid, 5856 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:58:07,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1405 Valid, 5856 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-11-19 06:58:07,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5276 states. [2022-11-19 06:58:07,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5276 to 5248. [2022-11-19 06:58:07,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5248 states, 3167 states have (on average 1.311651405115251) internal successors, (4154), 3241 states have internal predecessors, (4154), 1686 states have call successors, (1686), 395 states have call predecessors, (1686), 394 states have return successors, (1697), 1651 states have call predecessors, (1697), 1685 states have call successors, (1697) [2022-11-19 06:58:07,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5248 states to 5248 states and 7537 transitions. [2022-11-19 06:58:07,721 INFO L78 Accepts]: Start accepts. Automaton has 5248 states and 7537 transitions. Word has length 121 [2022-11-19 06:58:07,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:58:07,722 INFO L495 AbstractCegarLoop]: Abstraction has 5248 states and 7537 transitions. [2022-11-19 06:58:07,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-19 06:58:07,723 INFO L276 IsEmpty]: Start isEmpty. Operand 5248 states and 7537 transitions. [2022-11-19 06:58:07,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-19 06:58:07,727 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:58:07,727 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-19 06:58:07,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 06:58:07,728 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:58:07,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:58:07,728 INFO L85 PathProgramCache]: Analyzing trace with hash 117272141, now seen corresponding path program 1 times [2022-11-19 06:58:07,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:58:07,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160944496] [2022-11-19 06:58:07,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:58:07,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:58:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:58:08,324 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-11-19 06:58:08,324 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:58:08,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160944496] [2022-11-19 06:58:08,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160944496] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:58:08,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503778039] [2022-11-19 06:58:08,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:58:08,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:58:08,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:58:08,331 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:58:08,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 06:58:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:58:09,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 06:58:09,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:58:09,471 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-19 06:58:09,471 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:58:09,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [503778039] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:58:09,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 06:58:09,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-19 06:58:09,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484774820] [2022-11-19 06:58:09,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:58:09,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 06:58:09,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:58:09,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 06:58:09,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-19 06:58:09,474 INFO L87 Difference]: Start difference. First operand 5248 states and 7537 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 06:58:15,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:58:16,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:58:18,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:58:20,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:58:20,421 INFO L93 Difference]: Finished difference Result 12347 states and 17725 transitions. [2022-11-19 06:58:20,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-19 06:58:20,422 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 131 [2022-11-19 06:58:20,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:58:20,475 INFO L225 Difference]: With dead ends: 12347 [2022-11-19 06:58:20,475 INFO L226 Difference]: Without dead ends: 8759 [2022-11-19 06:58:20,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2022-11-19 06:58:20,500 INFO L413 NwaCegarLoop]: 1689 mSDtfsCounter, 1435 mSDsluCounter, 7968 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1439 SdHoareTripleChecker+Valid, 9657 SdHoareTripleChecker+Invalid, 1347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:58:20,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1439 Valid, 9657 Invalid, 1347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2022-11-19 06:58:20,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8759 states. [2022-11-19 06:58:21,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8759 to 8697. [2022-11-19 06:58:21,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8697 states, 5250 states have (on average 1.3127619047619048) internal successors, (6892), 5382 states have internal predecessors, (6892), 2790 states have call successors, (2790), 653 states have call predecessors, (2790), 656 states have return successors, (2819), 2727 states have call predecessors, (2819), 2789 states have call successors, (2819) [2022-11-19 06:58:21,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8697 states to 8697 states and 12501 transitions. [2022-11-19 06:58:21,118 INFO L78 Accepts]: Start accepts. Automaton has 8697 states and 12501 transitions. Word has length 131 [2022-11-19 06:58:21,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:58:21,120 INFO L495 AbstractCegarLoop]: Abstraction has 8697 states and 12501 transitions. [2022-11-19 06:58:21,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 06:58:21,121 INFO L276 IsEmpty]: Start isEmpty. Operand 8697 states and 12501 transitions. [2022-11-19 06:58:21,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-19 06:58:21,127 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:58:21,128 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-19 06:58:21,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 06:58:21,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-19 06:58:21,341 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:58:21,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:58:21,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1295780907, now seen corresponding path program 1 times [2022-11-19 06:58:21,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:58:21,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998122809] [2022-11-19 06:58:21,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:58:21,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:58:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:58:21,897 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-19 06:58:21,898 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:58:21,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998122809] [2022-11-19 06:58:21,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998122809] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:58:21,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634293450] [2022-11-19 06:58:21,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:58:21,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:58:21,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:58:21,900 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:58:21,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 06:58:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:58:22,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 2303 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 06:58:22,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:58:23,027 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-19 06:58:23,028 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:58:23,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634293450] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:58:23,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 06:58:23,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-19 06:58:23,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436836674] [2022-11-19 06:58:23,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:58:23,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 06:58:23,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:58:23,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 06:58:23,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-19 06:58:23,030 INFO L87 Difference]: Start difference. First operand 8697 states and 12501 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 06:58:27,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:58:29,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:58:31,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:58:33,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:58:33,305 INFO L93 Difference]: Finished difference Result 19267 states and 27673 transitions. [2022-11-19 06:58:33,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-19 06:58:33,305 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 132 [2022-11-19 06:58:33,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:58:33,379 INFO L225 Difference]: With dead ends: 19267 [2022-11-19 06:58:33,379 INFO L226 Difference]: Without dead ends: 12230 [2022-11-19 06:58:33,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-19 06:58:33,421 INFO L413 NwaCegarLoop]: 1702 mSDtfsCounter, 1435 mSDsluCounter, 8008 mSDsCounter, 0 mSdLazyCounter, 1357 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1439 SdHoareTripleChecker+Valid, 9710 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:58:33,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1439 Valid, 9710 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1357 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2022-11-19 06:58:33,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12230 states. [2022-11-19 06:58:34,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12230 to 12156. [2022-11-19 06:58:34,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12156 states, 7339 states have (on average 1.3129854203569968) internal successors, (9636), 7535 states have internal predecessors, (9636), 3894 states have call successors, (3894), 911 states have call predecessors, (3894), 922 states have return successors, (3947), 3801 states have call predecessors, (3947), 3893 states have call successors, (3947) [2022-11-19 06:58:34,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12156 states to 12156 states and 17477 transitions. [2022-11-19 06:58:34,259 INFO L78 Accepts]: Start accepts. Automaton has 12156 states and 17477 transitions. Word has length 132 [2022-11-19 06:58:34,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:58:34,259 INFO L495 AbstractCegarLoop]: Abstraction has 12156 states and 17477 transitions. [2022-11-19 06:58:34,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 06:58:34,260 INFO L276 IsEmpty]: Start isEmpty. Operand 12156 states and 17477 transitions. [2022-11-19 06:58:34,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-19 06:58:34,268 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:58:34,268 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-19 06:58:34,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 06:58:34,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:58:34,469 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:58:34,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:58:34,470 INFO L85 PathProgramCache]: Analyzing trace with hash -961189740, now seen corresponding path program 1 times [2022-11-19 06:58:34,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:58:34,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976065302] [2022-11-19 06:58:34,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:58:34,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:58:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:58:34,993 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-19 06:58:34,994 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:58:34,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976065302] [2022-11-19 06:58:34,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976065302] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:58:34,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022890807] [2022-11-19 06:58:34,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:58:34,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:58:34,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:58:34,996 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:58:35,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 06:58:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:58:35,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 2305 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 06:58:35,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:58:36,112 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-19 06:58:36,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:58:36,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022890807] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:58:36,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 06:58:36,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-19 06:58:36,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770166741] [2022-11-19 06:58:36,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:58:36,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 06:58:36,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:58:36,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 06:58:36,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-19 06:58:36,116 INFO L87 Difference]: Start difference. First operand 12156 states and 17477 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 06:58:41,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:58:43,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:58:44,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:58:47,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:58:47,769 INFO L93 Difference]: Finished difference Result 26181 states and 37617 transitions. [2022-11-19 06:58:47,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-19 06:58:47,770 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 133 [2022-11-19 06:58:47,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:58:47,861 INFO L225 Difference]: With dead ends: 26181 [2022-11-19 06:58:47,861 INFO L226 Difference]: Without dead ends: 15685 [2022-11-19 06:58:47,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-19 06:58:47,915 INFO L413 NwaCegarLoop]: 1705 mSDtfsCounter, 1435 mSDsluCounter, 8020 mSDsCounter, 0 mSdLazyCounter, 1357 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1439 SdHoareTripleChecker+Valid, 9725 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-11-19 06:58:47,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1439 Valid, 9725 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1357 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2022-11-19 06:58:47,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15685 states. [2022-11-19 06:58:48,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15685 to 12158. [2022-11-19 06:58:48,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12158 states, 7341 states have (on average 1.3129001498433457) internal successors, (9638), 7535 states have internal predecessors, (9638), 3894 states have call successors, (3894), 911 states have call predecessors, (3894), 922 states have return successors, (3947), 3803 states have call predecessors, (3947), 3893 states have call successors, (3947) [2022-11-19 06:58:48,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12158 states to 12158 states and 17479 transitions. [2022-11-19 06:58:48,790 INFO L78 Accepts]: Start accepts. Automaton has 12158 states and 17479 transitions. Word has length 133 [2022-11-19 06:58:48,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:58:48,791 INFO L495 AbstractCegarLoop]: Abstraction has 12158 states and 17479 transitions. [2022-11-19 06:58:48,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 06:58:48,792 INFO L276 IsEmpty]: Start isEmpty. Operand 12158 states and 17479 transitions. [2022-11-19 06:58:48,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-19 06:58:48,802 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:58:48,803 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-19 06:58:48,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 06:58:49,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-19 06:58:49,014 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:58:49,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:58:49,014 INFO L85 PathProgramCache]: Analyzing trace with hash 2010764540, now seen corresponding path program 1 times [2022-11-19 06:58:49,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:58:49,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054488886] [2022-11-19 06:58:49,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:58:49,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:58:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:58:49,557 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-19 06:58:49,557 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:58:49,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054488886] [2022-11-19 06:58:49,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054488886] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:58:49,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367015129] [2022-11-19 06:58:49,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:58:49,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:58:49,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:58:49,560 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:58:49,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 06:58:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:58:50,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 2307 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 06:58:50,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:58:50,821 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-19 06:58:50,821 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:58:50,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367015129] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:58:50,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 06:58:50,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-19 06:58:50,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203740092] [2022-11-19 06:58:50,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:58:50,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 06:58:50,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:58:50,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 06:58:50,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-19 06:58:50,824 INFO L87 Difference]: Start difference. First operand 12158 states and 17479 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 06:58:56,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:59:00,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:59:00,354 INFO L93 Difference]: Finished difference Result 26187 states and 37623 transitions. [2022-11-19 06:59:00,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-19 06:59:00,360 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 134 [2022-11-19 06:59:00,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:59:00,444 INFO L225 Difference]: With dead ends: 26187 [2022-11-19 06:59:00,445 INFO L226 Difference]: Without dead ends: 15689 [2022-11-19 06:59:00,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-19 06:59:00,499 INFO L413 NwaCegarLoop]: 1726 mSDtfsCounter, 1435 mSDsluCounter, 8104 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1439 SdHoareTripleChecker+Valid, 9830 SdHoareTripleChecker+Invalid, 1364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:59:00,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1439 Valid, 9830 Invalid, 1364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1362 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2022-11-19 06:59:00,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15689 states. [2022-11-19 06:59:01,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15689 to 12160. [2022-11-19 06:59:01,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12160 states, 7343 states have (on average 1.3128149257796542) internal successors, (9640), 7535 states have internal predecessors, (9640), 3894 states have call successors, (3894), 911 states have call predecessors, (3894), 922 states have return successors, (3947), 3805 states have call predecessors, (3947), 3893 states have call successors, (3947) [2022-11-19 06:59:01,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12160 states to 12160 states and 17481 transitions. [2022-11-19 06:59:01,375 INFO L78 Accepts]: Start accepts. Automaton has 12160 states and 17481 transitions. Word has length 134 [2022-11-19 06:59:01,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:59:01,378 INFO L495 AbstractCegarLoop]: Abstraction has 12160 states and 17481 transitions. [2022-11-19 06:59:01,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 06:59:01,378 INFO L276 IsEmpty]: Start isEmpty. Operand 12160 states and 17481 transitions. [2022-11-19 06:59:01,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-11-19 06:59:01,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:59:01,389 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-11-19 06:59:01,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 06:59:01,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:59:01,600 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:59:01,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:59:01,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1914069952, now seen corresponding path program 1 times [2022-11-19 06:59:01,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:59:01,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798593756] [2022-11-19 06:59:01,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:59:01,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:59:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:59:02,100 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-11-19 06:59:02,101 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:59:02,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798593756] [2022-11-19 06:59:02,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798593756] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:59:02,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224445386] [2022-11-19 06:59:02,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:59:02,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:59:02,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:59:02,103 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:59:02,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77367e3d-07c1-443c-9c00-0250c0de2228/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 06:59:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:59:03,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 2374 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-19 06:59:03,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:59:03,301 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-19 06:59:03,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:59:03,734 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-11-19 06:59:03,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224445386] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:59:03,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1486292483] [2022-11-19 06:59:03,755 INFO L159 IcfgInterpreter]: Started Sifa with 86 locations of interest [2022-11-19 06:59:03,755 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:59:03,759 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:59:03,764 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:59:03,765 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:59:06,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-19 06:59:07,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-19 06:59:07,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-19 06:59:07,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-19 06:59:07,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-19 06:59:07,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-19 06:59:08,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-19 06:59:08,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:08,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:09,007 INFO L217 Elim1Store]: Index analysis took 337 ms [2022-11-19 06:59:20,232 WARN L233 SmtUtils]: Spent 11.20s on a formula simplification. DAG size of input: 1090 DAG size of output: 630 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:59:20,235 INFO L321 Elim1Store]: treesize reduction 2098, result has 33.8 percent of original size [2022-11-19 06:59:20,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 91 select indices, 91 select index equivalence classes, 4099 disjoint index pairs (out of 4095 index pairs), introduced 91 new quantified variables, introduced 91 case distinctions, treesize of input 465 treesize of output 1355 [2022-11-19 06:59:22,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:22,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:22,724 INFO L217 Elim1Store]: Index analysis took 671 ms [2022-11-19 06:59:42,376 WARN L233 SmtUtils]: Spent 19.63s on a formula simplification. DAG size of input: 1455 DAG size of output: 727 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:59:42,380 INFO L321 Elim1Store]: treesize reduction 3442, result has 25.5 percent of original size [2022-11-19 06:59:42,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 94 select indices, 94 select index equivalence classes, 4190 disjoint index pairs (out of 4371 index pairs), introduced 94 new quantified variables, introduced 273 case distinctions, treesize of input 484 treesize of output 1477 [2022-11-19 06:59:51,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 06:59:51,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 06:59:51,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-19 06:59:55,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:55,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,108 INFO L217 Elim1Store]: Index analysis took 202 ms [2022-11-19 06:59:56,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 160 select indices, 160 select index equivalence classes, 2258 disjoint index pairs (out of 12720 index pairs), introduced 160 new quantified variables, introduced 0 case distinctions, treesize of input 1311 treesize of output 481 [2022-11-19 06:59:56,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:56,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 93 select indices, 93 select index equivalence classes, 4280 disjoint index pairs (out of 4278 index pairs), introduced 93 new quantified variables, introduced 0 case distinctions, treesize of input 466 treesize of output 280 [2022-11-19 06:59:57,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:57,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:59:57,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 94 select indices, 94 select index equivalence classes, 4371 disjoint index pairs (out of 4371 index pairs), introduced 94 new quantified variables, introduced 0 case distinctions, treesize of input 471 treesize of output 283 [2022-11-19 07:00:08,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:08,241 INFO L217 Elim1Store]: Index analysis took 164 ms [2022-11-19 07:00:08,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 160 select indices, 160 select index equivalence classes, 2258 disjoint index pairs (out of 12720 index pairs), introduced 160 new quantified variables, introduced 0 case distinctions, treesize of input 1311 treesize of output 481 [2022-11-19 07:00:09,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:09,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:09,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 93 select indices, 93 select index equivalence classes, 4280 disjoint index pairs (out of 4278 index pairs), introduced 93 new quantified variables, introduced 0 case distinctions, treesize of input 466 treesize of output 280 [2022-11-19 07:00:09,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:09,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:00:09,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 94 select indices, 94 select index equivalence classes, 4371 disjoint index pairs (out of 4371 index pairs), introduced 94 new quantified variables, introduced 0 case distinctions, treesize of input 471 treesize of output 283 [2022-11-19 07:00:46,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:00:46,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:00:46,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:00:47,986 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:00:48,011 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:00:48,017 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:01:14,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:01:14,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:01:14,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:01:16,197 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:01:16,210 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:01:16,220 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:02:08,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:02:09,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:02:09,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:02:10,795 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:02:10,817 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:02:10,826 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:02:53,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:02:53,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:02:54,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:02:55,671 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:02:55,675 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:02:55,754 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:04:00,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:04:00,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:04:01,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:04:02,245 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:04:02,298 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:04:02,319 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:04:30,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:04:30,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:04:31,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:04:32,285 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:04:32,294 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:04:32,356 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:06:35,578 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 1421 for LOIs [2022-11-19 07:06:48,752 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 2543 for LOIs [2022-11-19 07:07:00,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 07:07:04,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:07:14,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:14,599 INFO L217 Elim1Store]: Index analysis took 431 ms [2022-11-19 07:07:15,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:15,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 93 select indices, 93 select index equivalence classes, 4375 disjoint index pairs (out of 4278 index pairs), introduced 93 new quantified variables, introduced 0 case distinctions, treesize of input 474 treesize of output 1 [2022-11-19 07:07:38,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:38,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:38,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:38,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:38,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:38,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:38,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,353 INFO L217 Elim1Store]: Index analysis took 387 ms [2022-11-19 07:07:39,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:07:39,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 93 select indices, 93 select index equivalence classes, 4375 disjoint index pairs (out of 4278 index pairs), introduced 93 new quantified variables, introduced 0 case distinctions, treesize of input 474 treesize of output 1 [2022-11-19 07:08:05,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,615 INFO L217 Elim1Store]: Index analysis took 142 ms [2022-11-19 07:08:05,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:05,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 93 select indices, 93 select index equivalence classes, 4375 disjoint index pairs (out of 4278 index pairs), introduced 93 new quantified variables, introduced 0 case distinctions, treesize of input 474 treesize of output 1 [2022-11-19 07:08:05,874 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 322 for LOIs [2022-11-19 07:08:06,021 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 160 for LOIs [2022-11-19 07:08:06,069 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 1421 for LOIs [2022-11-19 07:08:11,472 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:09:30,703 WARN L233 SmtUtils]: Spent 1.30m on a formula simplification. DAG size of input: 2385 DAG size of output: 2029 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:09:39,271 WARN L233 SmtUtils]: Spent 7.33s on a formula simplification. DAG size of input: 2543 DAG size of output: 155 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:09:48,319 WARN L233 SmtUtils]: Spent 7.77s on a formula simplification. DAG size of input: 2561 DAG size of output: 172 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:11:06,883 WARN L233 SmtUtils]: Spent 1.17m on a formula simplification. DAG size of input: 1722 DAG size of output: 1604 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)