./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/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_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/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_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/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 f2c7848ca043d8b9ca4f9ab4b1ce08f583c2bd8d8967a557df683af547558d91 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:42:02,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:42:02,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:42:02,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:42:02,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:42:02,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:42:02,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:42:02,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:42:02,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:42:02,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:42:02,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:42:02,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:42:02,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:42:02,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:42:02,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:42:02,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:42:02,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:42:02,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:42:02,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:42:02,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:42:02,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:42:02,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:42:02,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:42:02,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:42:02,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:42:02,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:42:02,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:42:02,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:42:02,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:42:02,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:42:02,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:42:02,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:42:02,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:42:02,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:42:02,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:42:02,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:42:02,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:42:02,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:42:02,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:42:02,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:42:02,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:42:02,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:42:03,024 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:42:03,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:42:03,025 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:42:03,025 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:42:03,026 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:42:03,026 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:42:03,027 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:42:03,027 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:42:03,027 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:42:03,027 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:42:03,028 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:42:03,028 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:42:03,029 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:42:03,029 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:42:03,029 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:42:03,029 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:42:03,029 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:42:03,030 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:42:03,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:42:03,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:42:03,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:42:03,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:42:03,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:42:03,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:42:03,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:42:03,033 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:42:03,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:42:03,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:42:03,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:42:03,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:42:03,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:42:03,034 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:42:03,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:42:03,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:42:03,036 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:42:03,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:42:03,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:42:03,036 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:42:03,036 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_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2c7848ca043d8b9ca4f9ab4b1ce08f583c2bd8d8967a557df683af547558d91 [2022-11-19 07:42:03,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:42:03,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:42:03,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:42:03,368 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:42:03,368 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:42:03,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.ko-entry_point.cil.out.i [2022-11-19 07:42:03,445 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/data/9c9d60427/0a5f5cecf3094e80832900d84241bfa7/FLAG4b88ef266 [2022-11-19 07:42:04,255 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:42:04,255 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.ko-entry_point.cil.out.i [2022-11-19 07:42:04,297 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/data/9c9d60427/0a5f5cecf3094e80832900d84241bfa7/FLAG4b88ef266 [2022-11-19 07:42:04,330 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/data/9c9d60427/0a5f5cecf3094e80832900d84241bfa7 [2022-11-19 07:42:04,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:42:04,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:42:04,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:42:04,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:42:04,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:42:04,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:04" (1/1) ... [2022-11-19 07:42:04,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d227008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:04, skipping insertion in model container [2022-11-19 07:42:04,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:04" (1/1) ... [2022-11-19 07:42:04,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:42:04,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:42:04,942 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3602] [2022-11-19 07:42:04,942 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3603-3604] [2022-11-19 07:42:05,221 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_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.ko-entry_point.cil.out.i[110145,110158] [2022-11-19 07:42:05,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:42:06,351 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:42:06,446 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3602] [2022-11-19 07:42:06,446 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3603-3604] [2022-11-19 07:42:06,458 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_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.ko-entry_point.cil.out.i[110145,110158] [2022-11-19 07:42:06,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:42:06,842 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:42:06,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06 WrapperNode [2022-11-19 07:42:06,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:42:06,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:42:06,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:42:06,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:42:06,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06" (1/1) ... [2022-11-19 07:42:06,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06" (1/1) ... [2022-11-19 07:42:07,098 INFO L138 Inliner]: procedures = 199, calls = 1517, calls flagged for inlining = 95, calls inlined = 93, statements flattened = 3842 [2022-11-19 07:42:07,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:42:07,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:42:07,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:42:07,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:42:07,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06" (1/1) ... [2022-11-19 07:42:07,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06" (1/1) ... [2022-11-19 07:42:07,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06" (1/1) ... [2022-11-19 07:42:07,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06" (1/1) ... [2022-11-19 07:42:07,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06" (1/1) ... [2022-11-19 07:42:07,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06" (1/1) ... [2022-11-19 07:42:07,349 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06" (1/1) ... [2022-11-19 07:42:07,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06" (1/1) ... [2022-11-19 07:42:07,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:42:07,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:42:07,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:42:07,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:42:07,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06" (1/1) ... [2022-11-19 07:42:07,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:42:07,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:42:07,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:42:07,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:42:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_start [2022-11-19 07:42:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_start [2022-11-19 07:42:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_set_termios [2022-11-19 07:42:07,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_set_termios [2022-11-19 07:42:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-19 07:42:07,476 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-19 07:42:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:42:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:42:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:42:07,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:42:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2022-11-19 07:42:07,477 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2022-11-19 07:42:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-19 07:42:07,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-19 07:42:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_tiocmset [2022-11-19 07:42:07,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_tiocmset [2022-11-19 07:42:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2022-11-19 07:42:07,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2022-11-19 07:42:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:42:07,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:42:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-11-19 07:42:07,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-11-19 07:42:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2022-11-19 07:42:07,479 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2022-11-19 07:42:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure raise_dtr [2022-11-19 07:42:07,480 INFO L138 BoogieDeclarations]: Found implementation of procedure raise_dtr [2022-11-19 07:42:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2022-11-19 07:42:07,481 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2022-11-19 07:42:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_chars_in_buffer [2022-11-19 07:42:07,481 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_chars_in_buffer [2022-11-19 07:42:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2022-11-19 07:42:07,481 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2022-11-19 07:42:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 07:42:07,482 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 07:42:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_flush_buffer [2022-11-19 07:42:07,482 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_flush_buffer [2022-11-19 07:42:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 07:42:07,483 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 07:42:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 07:42:07,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 07:42:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure outsw [2022-11-19 07:42:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure outsw [2022-11-19 07:42:07,485 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:42:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:42:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2022-11-19 07:42:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2022-11-19 07:42:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_put_char [2022-11-19 07:42:07,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_put_char [2022-11-19 07:42:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:42:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:42:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 07:42:07,488 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 07:42:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_write_room [2022-11-19 07:42:07,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_write_room [2022-11-19 07:42:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_ioctl [2022-11-19 07:42:07,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_ioctl [2022-11-19 07:42:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-19 07:42:07,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-19 07:42:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure drop_dtr [2022-11-19 07:42:07,490 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_dtr [2022-11-19 07:42:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 07:42:07,490 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 07:42:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:42:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:42:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-19 07:42:07,491 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-19 07:42:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-11-19 07:42:07,492 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-11-19 07:42:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-19 07:42:07,493 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-19 07:42:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-19 07:42:07,493 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-19 07:42:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2022-11-19 07:42:07,493 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2022-11-19 07:42:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 07:42:07,494 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 07:42:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:42:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_dtr_rts [2022-11-19 07:42:07,495 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_dtr_rts [2022-11-19 07:42:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 07:42:07,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 07:42:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-19 07:42:07,496 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-19 07:42:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_config_port [2022-11-19 07:42:07,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_config_port [2022-11-19 07:42:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:42:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:42:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_tiocmget [2022-11-19 07:42:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_tiocmget [2022-11-19 07:42:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_unthrottle [2022-11-19 07:42:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_unthrottle [2022-11-19 07:42:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure lock_card [2022-11-19 07:42:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_card [2022-11-19 07:42:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_flush_chars [2022-11-19 07:42:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_flush_chars [2022-11-19 07:42:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:42:07,500 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:42:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:42:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 07:42:07,500 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 07:42:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-19 07:42:07,501 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-19 07:42:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:42:07,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:42:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_carrier_raised [2022-11-19 07:42:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_carrier_raised [2022-11-19 07:42:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:42:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_hangup [2022-11-19 07:42:07,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_hangup [2022-11-19 07:42:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_throttle [2022-11-19 07:42:07,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_throttle [2022-11-19 07:42:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:42:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-11-19 07:42:07,509 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-11-19 07:42:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 07:42:07,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 07:42:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:42:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 07:42:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-19 07:42:07,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-19 07:42:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-19 07:42:07,516 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-19 07:42:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-19 07:42:07,516 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-19 07:42:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_card [2022-11-19 07:42:07,517 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_card [2022-11-19 07:42:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_send_break [2022-11-19 07:42:07,517 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_send_break [2022-11-19 07:42:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:42:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-11-19 07:42:07,518 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-11-19 07:42:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure WaitTillCardIsFree [2022-11-19 07:42:07,518 INFO L138 BoogieDeclarations]: Found implementation of procedure WaitTillCardIsFree [2022-11-19 07:42:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:42:07,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:42:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-11-19 07:42:07,519 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-11-19 07:42:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-19 07:42:07,519 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-19 07:42:08,265 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:42:08,268 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:42:08,963 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:42:17,749 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:42:20,106 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:42:20,107 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 07:42:20,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:20 BoogieIcfgContainer [2022-11-19 07:42:20,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:42:20,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:42:20,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:42:20,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:42:20,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:42:04" (1/3) ... [2022-11-19 07:42:20,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a86d5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:20, skipping insertion in model container [2022-11-19 07:42:20,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06" (2/3) ... [2022-11-19 07:42:20,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a86d5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:20, skipping insertion in model container [2022-11-19 07:42:20,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:20" (3/3) ... [2022-11-19 07:42:20,123 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.ko-entry_point.cil.out.i [2022-11-19 07:42:20,147 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:42:20,147 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:42:20,267 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:42:20,279 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;@206b75fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:42:20,279 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:42:20,289 INFO L276 IsEmpty]: Start isEmpty. Operand has 1034 states, 643 states have (on average 1.4230171073094868) internal successors, (915), 674 states have internal predecessors, (915), 330 states have call successors, (330), 61 states have call predecessors, (330), 60 states have return successors, (322), 320 states have call predecessors, (322), 322 states have call successors, (322) [2022-11-19 07:42:20,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-19 07:42:20,337 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:42:20,338 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:42:20,339 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:42:20,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:42:20,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1205466510, now seen corresponding path program 1 times [2022-11-19 07:42:20,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:42:20,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530941599] [2022-11-19 07:42:20,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:20,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:42:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:42:21,346 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-19 07:42:21,346 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:42:21,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530941599] [2022-11-19 07:42:21,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530941599] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:42:21,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:42:21,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:42:21,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941420809] [2022-11-19 07:42:21,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:42:21,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:42:21,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:42:21,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:42:21,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:42:21,393 INFO L87 Difference]: Start difference. First operand has 1034 states, 643 states have (on average 1.4230171073094868) internal successors, (915), 674 states have internal predecessors, (915), 330 states have call successors, (330), 61 states have call predecessors, (330), 60 states have return successors, (322), 320 states have call predecessors, (322), 322 states have call successors, (322) Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-19 07:42:24,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:25,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:42:25,228 INFO L93 Difference]: Finished difference Result 2892 states and 4441 transitions. [2022-11-19 07:42:25,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:42:25,231 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 140 [2022-11-19 07:42:25,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:42:25,260 INFO L225 Difference]: With dead ends: 2892 [2022-11-19 07:42:25,261 INFO L226 Difference]: Without dead ends: 1834 [2022-11-19 07:42:25,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:42:25,276 INFO L413 NwaCegarLoop]: 1666 mSDtfsCounter, 1258 mSDsluCounter, 1401 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1258 SdHoareTripleChecker+Valid, 3067 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:42:25,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1258 Valid, 3067 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 282 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-11-19 07:42:25,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states. [2022-11-19 07:42:25,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 1834. [2022-11-19 07:42:25,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1834 states, 1159 states have (on average 1.4115616911130284) internal successors, (1636), 1198 states have internal predecessors, (1636), 564 states have call successors, (564), 111 states have call predecessors, (564), 110 states have return successors, (563), 559 states have call predecessors, (563), 563 states have call successors, (563) [2022-11-19 07:42:25,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1834 states and 2763 transitions. [2022-11-19 07:42:25,488 INFO L78 Accepts]: Start accepts. Automaton has 1834 states and 2763 transitions. Word has length 140 [2022-11-19 07:42:25,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:42:25,489 INFO L495 AbstractCegarLoop]: Abstraction has 1834 states and 2763 transitions. [2022-11-19 07:42:25,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-19 07:42:25,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1834 states and 2763 transitions. [2022-11-19 07:42:25,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-19 07:42:25,506 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:42:25,507 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:42:25,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:42:25,507 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:42:25,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:42:25,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1366704354, now seen corresponding path program 1 times [2022-11-19 07:42:25,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:42:25,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115428473] [2022-11-19 07:42:25,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:25,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:42:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:42:26,186 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-19 07:42:26,190 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:42:26,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115428473] [2022-11-19 07:42:26,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115428473] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:42:26,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:42:26,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:42:26,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709186306] [2022-11-19 07:42:26,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:42:26,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:42:26,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:42:26,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:42:26,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:42:26,196 INFO L87 Difference]: Start difference. First operand 1834 states and 2763 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-19 07:42:29,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:29,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:42:29,596 INFO L93 Difference]: Finished difference Result 3655 states and 5510 transitions. [2022-11-19 07:42:29,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:42:29,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 173 [2022-11-19 07:42:29,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:42:29,608 INFO L225 Difference]: With dead ends: 3655 [2022-11-19 07:42:29,609 INFO L226 Difference]: Without dead ends: 1838 [2022-11-19 07:42:29,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:42:29,617 INFO L413 NwaCegarLoop]: 1395 mSDtfsCounter, 2 mSDsluCounter, 1393 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2788 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:42:29,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2788 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 275 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-19 07:42:29,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2022-11-19 07:42:29,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1836. [2022-11-19 07:42:29,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1836 states, 1161 states have (on average 1.4108527131782946) internal successors, (1638), 1200 states have internal predecessors, (1638), 564 states have call successors, (564), 111 states have call predecessors, (564), 110 states have return successors, (563), 559 states have call predecessors, (563), 563 states have call successors, (563) [2022-11-19 07:42:29,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2765 transitions. [2022-11-19 07:42:29,708 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2765 transitions. Word has length 173 [2022-11-19 07:42:29,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:42:29,709 INFO L495 AbstractCegarLoop]: Abstraction has 1836 states and 2765 transitions. [2022-11-19 07:42:29,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-19 07:42:29,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2765 transitions. [2022-11-19 07:42:29,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-19 07:42:29,722 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:42:29,722 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:42:29,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:42:29,723 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:42:29,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:42:29,724 INFO L85 PathProgramCache]: Analyzing trace with hash -979859501, now seen corresponding path program 1 times [2022-11-19 07:42:29,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:42:29,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92948211] [2022-11-19 07:42:29,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:29,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:42:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:42:30,198 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-19 07:42:30,199 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:42:30,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92948211] [2022-11-19 07:42:30,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92948211] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:42:30,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:42:30,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:42:30,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059434945] [2022-11-19 07:42:30,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:42:30,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:42:30,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:42:30,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:42:30,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:42:30,202 INFO L87 Difference]: Start difference. First operand 1836 states and 2765 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-19 07:42:33,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:33,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:42:33,577 INFO L93 Difference]: Finished difference Result 3657 states and 5510 transitions. [2022-11-19 07:42:33,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:42:33,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 175 [2022-11-19 07:42:33,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:42:33,589 INFO L225 Difference]: With dead ends: 3657 [2022-11-19 07:42:33,590 INFO L226 Difference]: Without dead ends: 1838 [2022-11-19 07:42:33,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:42:33,602 INFO L413 NwaCegarLoop]: 1396 mSDtfsCounter, 0 mSDsluCounter, 1394 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2790 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:42:33,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2790 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 273 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-19 07:42:33,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2022-11-19 07:42:33,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1838. [2022-11-19 07:42:33,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1163 states have (on average 1.410146173688736) internal successors, (1640), 1202 states have internal predecessors, (1640), 564 states have call successors, (564), 111 states have call predecessors, (564), 110 states have return successors, (563), 559 states have call predecessors, (563), 563 states have call successors, (563) [2022-11-19 07:42:33,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2767 transitions. [2022-11-19 07:42:33,692 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2767 transitions. Word has length 175 [2022-11-19 07:42:33,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:42:33,693 INFO L495 AbstractCegarLoop]: Abstraction has 1838 states and 2767 transitions. [2022-11-19 07:42:33,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-19 07:42:33,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2767 transitions. [2022-11-19 07:42:33,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-11-19 07:42:33,705 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:42:33,705 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:42:33,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:42:33,706 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:42:33,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:42:33,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1834395138, now seen corresponding path program 1 times [2022-11-19 07:42:33,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:42:33,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068546323] [2022-11-19 07:42:33,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:33,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:42:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:42:34,403 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-19 07:42:34,403 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:42:34,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068546323] [2022-11-19 07:42:34,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068546323] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:42:34,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537896691] [2022-11-19 07:42:34,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:34,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:42:34,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:42:34,411 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:42:34,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:42:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:42:35,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 3502 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:42:35,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:42:36,170 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-19 07:42:36,170 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:42:36,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537896691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:42:36,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:42:36,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-19 07:42:36,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204145179] [2022-11-19 07:42:36,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:42:36,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:42:36,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:42:36,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:42:36,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:42:36,178 INFO L87 Difference]: Start difference. First operand 1838 states and 2767 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-19 07:42:38,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:39,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:42:39,773 INFO L93 Difference]: Finished difference Result 4491 states and 6759 transitions. [2022-11-19 07:42:39,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:42:39,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 176 [2022-11-19 07:42:39,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:42:39,790 INFO L225 Difference]: With dead ends: 4491 [2022-11-19 07:42:39,790 INFO L226 Difference]: Without dead ends: 2670 [2022-11-19 07:42:39,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:42:39,799 INFO L413 NwaCegarLoop]: 1641 mSDtfsCounter, 1224 mSDsluCounter, 1377 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1224 SdHoareTripleChecker+Valid, 3018 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:42:39,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1224 Valid, 3018 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 281 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-11-19 07:42:39,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2670 states. [2022-11-19 07:42:39,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2670 to 2670. [2022-11-19 07:42:39,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2670 states, 1697 states have (on average 1.4113140836770772) internal successors, (2395), 1755 states have internal predecessors, (2395), 810 states have call successors, (810), 163 states have call predecessors, (810), 162 states have return successors, (809), 803 states have call predecessors, (809), 809 states have call successors, (809) [2022-11-19 07:42:39,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 2670 states and 4014 transitions. [2022-11-19 07:42:39,930 INFO L78 Accepts]: Start accepts. Automaton has 2670 states and 4014 transitions. Word has length 176 [2022-11-19 07:42:39,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:42:39,931 INFO L495 AbstractCegarLoop]: Abstraction has 2670 states and 4014 transitions. [2022-11-19 07:42:39,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-19 07:42:39,931 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 4014 transitions. [2022-11-19 07:42:39,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-19 07:42:39,948 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:42:39,948 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:42:39,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:42:40,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:42:40,162 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:42:40,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:42:40,163 INFO L85 PathProgramCache]: Analyzing trace with hash -951181155, now seen corresponding path program 1 times [2022-11-19 07:42:40,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:42:40,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610799675] [2022-11-19 07:42:40,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:40,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:42:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:42:40,656 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2022-11-19 07:42:40,657 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:42:40,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610799675] [2022-11-19 07:42:40,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610799675] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:42:40,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197561797] [2022-11-19 07:42:40,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:40,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:42:40,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:42:40,661 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:42:40,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:42:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:42:42,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 2995 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:42:42,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:42:42,631 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-11-19 07:42:42,631 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:42:42,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197561797] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:42:42,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:42:42,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-19 07:42:42,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211538303] [2022-11-19 07:42:42,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:42:42,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:42:42,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:42:42,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:42:42,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:42:42,634 INFO L87 Difference]: Start difference. First operand 2670 states and 4014 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-19 07:42:45,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:46,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:42:46,079 INFO L93 Difference]: Finished difference Result 4333 states and 6652 transitions. [2022-11-19 07:42:46,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:42:46,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 195 [2022-11-19 07:42:46,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:42:46,109 INFO L225 Difference]: With dead ends: 4333 [2022-11-19 07:42:46,109 INFO L226 Difference]: Without dead ends: 4330 [2022-11-19 07:42:46,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:42:46,114 INFO L413 NwaCegarLoop]: 1698 mSDtfsCounter, 998 mSDsluCounter, 1331 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 998 SdHoareTripleChecker+Valid, 3029 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:42:46,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [998 Valid, 3029 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 282 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-19 07:42:46,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4330 states. [2022-11-19 07:42:46,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4330 to 4213. [2022-11-19 07:42:46,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4213 states, 2761 states have (on average 1.4382470119521913) internal successors, (3971), 2832 states have internal predecessors, (3971), 1185 states have call successors, (1185), 267 states have call predecessors, (1185), 266 states have return successors, (1286), 1168 states have call predecessors, (1286), 1184 states have call successors, (1286) [2022-11-19 07:42:46,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4213 states to 4213 states and 6442 transitions. [2022-11-19 07:42:46,350 INFO L78 Accepts]: Start accepts. Automaton has 4213 states and 6442 transitions. Word has length 195 [2022-11-19 07:42:46,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:42:46,352 INFO L495 AbstractCegarLoop]: Abstraction has 4213 states and 6442 transitions. [2022-11-19 07:42:46,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-19 07:42:46,352 INFO L276 IsEmpty]: Start isEmpty. Operand 4213 states and 6442 transitions. [2022-11-19 07:42:46,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-11-19 07:42:46,383 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:42:46,383 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:42:46,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:42:46,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:42:46,602 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:42:46,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:42:46,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1124545561, now seen corresponding path program 1 times [2022-11-19 07:42:46,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:42:46,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214008252] [2022-11-19 07:42:46,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:46,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:42:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:42:47,142 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2022-11-19 07:42:47,146 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:42:47,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214008252] [2022-11-19 07:42:47,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214008252] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:42:47,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831862551] [2022-11-19 07:42:47,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:47,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:42:47,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:42:47,148 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:42:47,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:42:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:42:48,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 3641 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:42:48,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:42:49,301 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-11-19 07:42:49,301 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:42:49,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831862551] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:42:49,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:42:49,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-19 07:42:49,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426780851] [2022-11-19 07:42:49,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:42:49,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:42:49,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:42:49,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:42:49,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:42:49,304 INFO L87 Difference]: Start difference. First operand 4213 states and 6442 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2022-11-19 07:42:52,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:52,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:42:52,789 INFO L93 Difference]: Finished difference Result 5886 states and 9106 transitions. [2022-11-19 07:42:52,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:42:52,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 200 [2022-11-19 07:42:52,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:42:52,850 INFO L225 Difference]: With dead ends: 5886 [2022-11-19 07:42:52,850 INFO L226 Difference]: Without dead ends: 5883 [2022-11-19 07:42:52,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:42:52,856 INFO L413 NwaCegarLoop]: 1646 mSDtfsCounter, 1011 mSDsluCounter, 1331 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1011 SdHoareTripleChecker+Valid, 2977 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:42:52,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1011 Valid, 2977 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 273 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-19 07:42:52,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5883 states. [2022-11-19 07:42:53,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5883 to 5766. [2022-11-19 07:42:53,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5766 states, 3831 states have (on average 1.4505351083268077) internal successors, (5557), 3917 states have internal predecessors, (5557), 1568 states have call successors, (1568), 367 states have call predecessors, (1568), 366 states have return successors, (1771), 1541 states have call predecessors, (1771), 1567 states have call successors, (1771) [2022-11-19 07:42:53,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5766 states to 5766 states and 8896 transitions. [2022-11-19 07:42:53,306 INFO L78 Accepts]: Start accepts. Automaton has 5766 states and 8896 transitions. Word has length 200 [2022-11-19 07:42:53,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:42:53,306 INFO L495 AbstractCegarLoop]: Abstraction has 5766 states and 8896 transitions. [2022-11-19 07:42:53,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2022-11-19 07:42:53,308 INFO L276 IsEmpty]: Start isEmpty. Operand 5766 states and 8896 transitions. [2022-11-19 07:42:53,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-11-19 07:42:53,362 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:42:53,362 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:42:53,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:42:53,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:42:53,576 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:42:53,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:42:53,576 INFO L85 PathProgramCache]: Analyzing trace with hash 855511233, now seen corresponding path program 1 times [2022-11-19 07:42:53,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:42:53,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011736753] [2022-11-19 07:42:53,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:53,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:42:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:42:54,111 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-11-19 07:42:54,111 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:42:54,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011736753] [2022-11-19 07:42:54,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011736753] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:42:54,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438474315] [2022-11-19 07:42:54,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:54,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:42:54,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:42:54,113 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:42:54,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:42:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:42:55,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 3114 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:42:55,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:42:55,614 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-19 07:42:55,614 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:42:55,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438474315] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:42:55,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:42:55,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-19 07:42:55,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514510738] [2022-11-19 07:42:55,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:42:55,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:42:55,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:42:55,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:42:55,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:42:55,617 INFO L87 Difference]: Start difference. First operand 5766 states and 8896 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-19 07:42:58,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:59,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:42:59,239 INFO L93 Difference]: Finished difference Result 16957 states and 26149 transitions. [2022-11-19 07:42:59,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:42:59,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 228 [2022-11-19 07:42:59,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:42:59,311 INFO L225 Difference]: With dead ends: 16957 [2022-11-19 07:42:59,311 INFO L226 Difference]: Without dead ends: 11208 [2022-11-19 07:42:59,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:42:59,343 INFO L413 NwaCegarLoop]: 1687 mSDtfsCounter, 1453 mSDsluCounter, 1309 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1453 SdHoareTripleChecker+Valid, 2996 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:42:59,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1453 Valid, 2996 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 296 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-19 07:42:59,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11208 states. [2022-11-19 07:42:59,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11208 to 11202. [2022-11-19 07:42:59,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11202 states, 7474 states have (on average 1.4514316296494514) internal successors, (10848), 7645 states have internal predecessors, (10848), 3004 states have call successors, (3004), 724 states have call predecessors, (3004), 723 states have return successors, (3375), 2948 states have call predecessors, (3375), 3003 states have call successors, (3375) [2022-11-19 07:43:00,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11202 states to 11202 states and 17227 transitions. [2022-11-19 07:43:00,082 INFO L78 Accepts]: Start accepts. Automaton has 11202 states and 17227 transitions. Word has length 228 [2022-11-19 07:43:00,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:43:00,082 INFO L495 AbstractCegarLoop]: Abstraction has 11202 states and 17227 transitions. [2022-11-19 07:43:00,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-19 07:43:00,083 INFO L276 IsEmpty]: Start isEmpty. Operand 11202 states and 17227 transitions. [2022-11-19 07:43:00,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-11-19 07:43:00,170 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:43:00,170 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:43:00,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 07:43:00,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-19 07:43:00,384 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:43:00,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:43:00,385 INFO L85 PathProgramCache]: Analyzing trace with hash -329978551, now seen corresponding path program 1 times [2022-11-19 07:43:00,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:43:00,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993517378] [2022-11-19 07:43:00,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:43:00,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:43:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:43:00,820 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-11-19 07:43:00,820 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:43:00,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993517378] [2022-11-19 07:43:00,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993517378] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:43:00,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570771574] [2022-11-19 07:43:00,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:43:00,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:43:00,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:43:00,825 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:43:00,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 07:43:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:43:02,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 3114 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:43:02,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:43:02,238 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 73 proven. 1 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2022-11-19 07:43:02,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:43:02,446 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-11-19 07:43:02,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570771574] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:43:02,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1482932289] [2022-11-19 07:43:02,477 INFO L159 IcfgInterpreter]: Started Sifa with 150 locations of interest [2022-11-19 07:43:02,477 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:43:02,482 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:43:02,487 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:43:02,488 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:43:06,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 742 treesize of output 599 [2022-11-19 07:43:06,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:06,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 21 select indices, 21 select index equivalence classes, 253 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 1727 treesize of output 1399 [2022-11-19 07:43:07,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:07,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:07,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 742 treesize of output 599 [2022-11-19 07:43:12,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 24 select indices, 24 select index equivalence classes, 276 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 1908 treesize of output 1430 [2022-11-19 07:43:12,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,840 INFO L217 Elim1Store]: Index analysis took 159 ms [2022-11-19 07:43:12,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 70 select indices, 70 select index equivalence classes, 2415 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 0 case distinctions, treesize of input 489 treesize of output 211 [2022-11-19 07:43:12,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:12,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:13,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:13,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:13,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:13,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:13,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:13,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:13,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:13,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:13,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:13,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:13,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:13,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:13,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:13,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 190 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 63 [2022-11-19 07:43:13,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2022-11-19 07:43:13,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 231 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 69 [2022-11-19 07:43:16,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:16,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:16,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:16,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:16,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:16,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:16,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:16,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:16,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:16,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:16,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:16,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:16,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:16,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:16,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:16,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:16,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:16,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:16,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:16,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:16,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:16,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:16,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:16,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 24 select indices, 24 select index equivalence classes, 276 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 1908 treesize of output 1430 [2022-11-19 07:43:16,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 231 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 69 [2022-11-19 07:43:17,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,168 INFO L217 Elim1Store]: Index analysis took 156 ms [2022-11-19 07:43:17,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 70 select indices, 70 select index equivalence classes, 2415 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 0 case distinctions, treesize of input 489 treesize of output 211 [2022-11-19 07:43:17,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2022-11-19 07:43:17,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:17,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 190 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 63 [2022-11-19 07:43:30,747 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-19 07:43:30,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-19 07:43:30,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-19 07:43:31,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:31,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:31,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:31,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:31,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:31,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 759 treesize of output 613 [2022-11-19 07:43:31,500 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 25 treesize of output 1 [2022-11-19 07:43:31,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:31,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:31,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:31,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:31,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:31,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 759 treesize of output 613 [2022-11-19 07:43:32,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:32,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:32,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:32,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:32,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:32,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 799 treesize of output 653 [2022-11-19 07:43:33,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:33,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:33,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:33,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:33,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:33,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 810 treesize of output 662 [2022-11-19 07:43:33,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:33,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:33,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:33,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:33,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:33,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 780 treesize of output 634 [2022-11-19 07:43:33,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:33,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:33,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:33,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:33,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:33,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 791 treesize of output 643 [2022-11-19 07:43:33,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 37 [2022-11-19 07:43:38,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:38,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:38,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:38,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:38,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:38,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:38,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:38,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:38,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:38,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:38,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:38,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:38,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:38,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:38,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:43:38,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:38,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:38,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:38,798 INFO L217 Elim1Store]: Index analysis took 229 ms [2022-11-19 07:43:38,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 3979 treesize of output 3663 [2022-11-19 07:43:39,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:39,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:39,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:39,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:39,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:39,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:39,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:39,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:39,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:39,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:39,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:39,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:39,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:43:39,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:39,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:39,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:39,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:39,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:39,730 INFO L217 Elim1Store]: Index analysis took 177 ms [2022-11-19 07:43:39,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 3973 treesize of output 3657 [2022-11-19 07:43:40,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,209 INFO L217 Elim1Store]: Index analysis took 130 ms [2022-11-19 07:43:40,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 3988 treesize of output 3674 [2022-11-19 07:43:40,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:40,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 4005 treesize of output 3691 [2022-11-19 07:43:41,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 4005 treesize of output 3691 [2022-11-19 07:43:41,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:41,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 3988 treesize of output 3674 [2022-11-19 07:43:41,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:43:41,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3972 treesize of output 3966 [2022-11-19 07:43:42,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:43:42,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3977 treesize of output 3989 [2022-11-19 07:43:49,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:49,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 22 treesize of output 7 [2022-11-19 07:43:49,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:49,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 22 treesize of output 7 [2022-11-19 07:43:49,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:49,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 17 [2022-11-19 07:43:49,942 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 16 treesize of output 12 [2022-11-19 07:43:49,998 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 16 treesize of output 12 [2022-11-19 07:43:50,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:50,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:50,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:50,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 23 [2022-11-19 07:43:50,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-11-19 07:43:50,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2022-11-19 07:43:50,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:50,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2022-11-19 07:43:50,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:43:50,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 29 treesize of output 13 [2022-11-19 07:43:51,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 33 treesize of output 12 [2022-11-19 07:43:51,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 33 treesize of output 12 [2022-11-19 07:43:51,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 24 treesize of output 25 [2022-11-19 07:43:53,609 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 07:43:53,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-19 07:43:54,665 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 07:43:54,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-19 07:43:55,485 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 16 treesize of output 12 [2022-11-19 07:43:55,525 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 16 treesize of output 12 [2022-11-19 07:43:55,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 31 [2022-11-19 07:43:55,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:43:55,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2022-11-19 07:43:55,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:55,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2022-11-19 07:43:55,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-11-19 07:43:55,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 46 treesize of output 30 [2022-11-19 07:43:56,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 33 treesize of output 12 [2022-11-19 07:43:56,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 24 treesize of output 25 [2022-11-19 07:43:56,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 33 treesize of output 12 [2022-11-19 07:43:58,751 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 07:43:58,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-19 07:43:59,829 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 07:43:59,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-19 07:44:06,851 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 07:44:06,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-19 07:44:06,960 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-19 07:44:06,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-19 07:44:15,263 INFO L197 IcfgInterpreter]: Interpreting procedure IS_ERR with input of size 166 for LOIs [2022-11-19 07:44:15,803 INFO L197 IcfgInterpreter]: Interpreting procedure ldv__builtin_expect with input of size 166 for LOIs [2022-11-19 07:44:15,855 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 1997 for LOIs [2022-11-19 07:44:25,741 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 171 for LOIs [2022-11-19 07:44:25,896 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:44:50,102 WARN L233 SmtUtils]: Spent 24.07s on a formula simplification that was a NOOP. DAG size: 1851 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:45:43,306 WARN L233 SmtUtils]: Spent 52.95s on a formula simplification. DAG size of input: 1997 DAG size of output: 1929 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:46:36,456 WARN L233 SmtUtils]: Spent 52.82s on a formula simplification. DAG size of input: 2005 DAG size of output: 1937 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:47:30,060 WARN L233 SmtUtils]: Spent 53.20s on a formula simplification. DAG size of input: 2011 DAG size of output: 1943 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:47:45,118 WARN L233 SmtUtils]: Spent 7.36s on a formula simplification. DAG size of input: 714 DAG size of output: 708 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:47:53,279 WARN L233 SmtUtils]: Spent 7.87s on a formula simplification. DAG size of input: 736 DAG size of output: 730 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:48:01,745 WARN L233 SmtUtils]: Spent 8.13s on a formula simplification. DAG size of input: 750 DAG size of output: 734 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:48:10,323 WARN L233 SmtUtils]: Spent 8.23s on a formula simplification. DAG size of input: 754 DAG size of output: 738 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:48:19,197 WARN L233 SmtUtils]: Spent 8.50s on a formula simplification. DAG size of input: 762 DAG size of output: 744 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:48:28,118 WARN L233 SmtUtils]: Spent 8.61s on a formula simplification. DAG size of input: 766 DAG size of output: 748 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:48:37,534 WARN L233 SmtUtils]: Spent 9.06s on a formula simplification. DAG size of input: 777 DAG size of output: 759 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:48:46,918 WARN L233 SmtUtils]: Spent 9.02s on a formula simplification. DAG size of input: 779 DAG size of output: 761 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:48:56,495 WARN L233 SmtUtils]: Spent 9.18s on a formula simplification. DAG size of input: 782 DAG size of output: 764 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:49:05,633 WARN L233 SmtUtils]: Spent 8.71s on a formula simplification. DAG size of input: 770 DAG size of output: 752 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:49:35,947 WARN L233 SmtUtils]: Spent 29.74s on a formula simplification. DAG size of input: 936 DAG size of output: 796 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:49:45,584 WARN L233 SmtUtils]: Spent 9.15s on a formula simplification. DAG size of input: 787 DAG size of output: 766 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:49:54,970 WARN L233 SmtUtils]: Spent 8.88s on a formula simplification. DAG size of input: 777 DAG size of output: 756 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:50:12,728 WARN L233 SmtUtils]: Spent 17.08s on a formula simplification. DAG size of input: 1042 DAG size of output: 869 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:50:27,343 WARN L233 SmtUtils]: Spent 8.66s on a formula simplification. DAG size of input: 500 DAG size of output: 396 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:51:03,852 WARN L233 SmtUtils]: Spent 9.18s on a formula simplification. DAG size of input: 784 DAG size of output: 766 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:51:13,829 WARN L233 SmtUtils]: Spent 9.17s on a formula simplification. DAG size of input: 786 DAG size of output: 768 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:51:23,356 WARN L233 SmtUtils]: Spent 8.71s on a formula simplification. DAG size of input: 769 DAG size of output: 751 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:51:33,718 WARN L233 SmtUtils]: Spent 9.52s on a formula simplification. DAG size of input: 792 DAG size of output: 771 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:51:43,367 WARN L233 SmtUtils]: Spent 8.80s on a formula simplification. DAG size of input: 773 DAG size of output: 752 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:51:43,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1482932289] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:51:43,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:51:43,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [44] imperfect sequences [4, 4, 4] total 50 [2022-11-19 07:51:43,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635080552] [2022-11-19 07:51:43,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:51:43,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-11-19 07:51:43,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:51:43,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-11-19 07:51:43,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=2279, Unknown=0, NotChecked=0, Total=2450 [2022-11-19 07:51:43,376 INFO L87 Difference]: Start difference. First operand 11202 states and 17227 transitions. Second operand has 45 states, 36 states have (on average 2.888888888888889) internal successors, (104), 33 states have internal predecessors, (104), 8 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (35), 8 states have call predecessors, (35), 8 states have call successors, (35) [2022-11-19 07:52:10,008 WARN L233 SmtUtils]: Spent 24.10s on a formula simplification that was a NOOP. DAG size: 1855 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:52:35,214 WARN L233 SmtUtils]: Spent 24.57s on a formula simplification that was a NOOP. DAG size: 1873 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:53:02,103 WARN L233 SmtUtils]: Spent 17.66s on a formula simplification. DAG size of input: 870 DAG size of output: 856 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:53:18,362 WARN L233 SmtUtils]: Spent 13.89s on a formula simplification. DAG size of input: 872 DAG size of output: 871 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:54:23,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:55:47,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:55:47,054 INFO L93 Difference]: Finished difference Result 22468 states and 34552 transitions. [2022-11-19 07:55:47,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-19 07:55:47,056 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 36 states have (on average 2.888888888888889) internal successors, (104), 33 states have internal predecessors, (104), 8 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (35), 8 states have call predecessors, (35), 8 states have call successors, (35) Word has length 228 [2022-11-19 07:55:47,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:55:47,102 INFO L225 Difference]: With dead ends: 22468 [2022-11-19 07:55:47,103 INFO L226 Difference]: Without dead ends: 11283 [2022-11-19 07:55:47,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 690 GetRequests, 638 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 928 ImplicationChecksByTransitivity, 519.1s TimeCoverageRelationStatistics Valid=197, Invalid=2665, Unknown=0, NotChecked=0, Total=2862 [2022-11-19 07:55:47,146 INFO L413 NwaCegarLoop]: 1370 mSDtfsCounter, 64 mSDsluCounter, 27597 mSDsCounter, 0 mSdLazyCounter, 13685 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 151.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 28967 SdHoareTripleChecker+Invalid, 17745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 13685 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 4046 IncrementalHoareTripleChecker+Unchecked, 160.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:55:47,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 28967 Invalid, 17745 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [13 Valid, 13685 Invalid, 1 Unknown, 4046 Unchecked, 160.8s Time] [2022-11-19 07:55:47,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11283 states. [2022-11-19 07:55:47,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11283 to 11267. [2022-11-19 07:55:47,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11267 states, 7527 states have (on average 1.4503786369071343) internal successors, (10917), 7697 states have internal predecessors, (10917), 3012 states have call successors, (3012), 728 states have call predecessors, (3012), 727 states have return successors, (3390), 2957 states have call predecessors, (3390), 3011 states have call successors, (3390) [2022-11-19 07:55:47,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11267 states to 11267 states and 17319 transitions. [2022-11-19 07:55:47,861 INFO L78 Accepts]: Start accepts. Automaton has 11267 states and 17319 transitions. Word has length 228 [2022-11-19 07:55:47,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:55:47,862 INFO L495 AbstractCegarLoop]: Abstraction has 11267 states and 17319 transitions. [2022-11-19 07:55:47,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 36 states have (on average 2.888888888888889) internal successors, (104), 33 states have internal predecessors, (104), 8 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (35), 8 states have call predecessors, (35), 8 states have call successors, (35) [2022-11-19 07:55:47,862 INFO L276 IsEmpty]: Start isEmpty. Operand 11267 states and 17319 transitions. [2022-11-19 07:55:47,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-11-19 07:55:47,922 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:55:47,922 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 6, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:55:47,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-19 07:55:48,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-19 07:55:48,136 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:55:48,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:55:48,137 INFO L85 PathProgramCache]: Analyzing trace with hash 575060000, now seen corresponding path program 1 times [2022-11-19 07:55:48,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:55:48,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608923901] [2022-11-19 07:55:48,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:55:48,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:55:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:55:48,587 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-11-19 07:55:48,588 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:55:48,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608923901] [2022-11-19 07:55:48,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608923901] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:55:48,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240793401] [2022-11-19 07:55:48,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:55:48,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:55:48,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:55:48,590 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:55:48,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf34a5e-ca89-4d7d-a1c8-9fdeb7732f9c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-19 07:55:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:55:50,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 3195 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:55:50,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:55:50,026 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 83 proven. 1 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-19 07:55:50,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:55:50,183 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-11-19 07:55:50,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240793401] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:55:50,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1966656851] [2022-11-19 07:55:50,188 INFO L159 IcfgInterpreter]: Started Sifa with 156 locations of interest [2022-11-19 07:55:50,189 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:55:50,189 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:55:50,189 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:55:50,190 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs